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-rw-r--r--GNUmakefile2
-rw-r--r--aes_keywrap.c47
-rw-r--r--core.c211
-rw-r--r--csprng.c7
-rw-r--r--ecdsa.c11
-rw-r--r--hal.h470
-rw-r--r--hal_io_eim.c50
-rw-r--r--hal_io_i2c.c1
-rw-r--r--hash.c116
-rw-r--r--modexp.c41
-rw-r--r--pbkdf2.c15
-rw-r--r--rsa.c43
-rw-r--r--tests/test-aes-key-wrap.c16
-rw-r--r--tests/test-ecdsa.c56
-rw-r--r--tests/test-hash.c34
-rw-r--r--tests/test-pbkdf2.c25
-rw-r--r--tests/test-rsa.c53
-rw-r--r--verilog_constants.h241
18 files changed, 791 insertions, 648 deletions
diff --git a/GNUmakefile b/GNUmakefile
index 37d038e..5c14b11 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -27,7 +27,7 @@
INC = hal.h
LIB = libhal.a
-OBJ = ${IO_OBJ} csprng.o hash.o aes_keywrap.o pbkdf2.o \
+OBJ = ${IO_OBJ} core.o csprng.o hash.o aes_keywrap.o pbkdf2.o \
modexp.o rsa.o ecdsa.o asn1.o errorstrings.o
IO_OBJ_EIM = hal_io_eim.o novena-eim.o
diff --git a/aes_keywrap.c b/aes_keywrap.c
index 7b90c9d..324b4ba 100644
--- a/aes_keywrap.c
+++ b/aes_keywrap.c
@@ -48,6 +48,7 @@
#include <assert.h>
#include "hal.h"
+#include "verilog_constants.h"
/*
* How long the ciphertext will be for a given plaintext length.
@@ -66,7 +67,7 @@ size_t hal_aes_keywrap_ciphertext_length(const size_t plaintext_length)
typedef enum { KEK_encrypting, KEK_decrypting } kek_action_t;
-static hal_error_t load_kek(const uint8_t *K, const size_t K_len, const kek_action_t action)
+static hal_error_t load_kek(const hal_core_t *core, const uint8_t *K, const size_t K_len, const kek_action_t action)
{
uint8_t config[4];
hal_error_t err;
@@ -104,9 +105,9 @@ static hal_error_t load_kek(const uint8_t *K, const size_t K_len, const kek_acti
* Load the KEK and tell the core to expand it.
*/
- if ((err = hal_io_write(AES_ADDR_KEY0, K, K_len)) != HAL_OK ||
- (err = hal_io_write(AES_ADDR_CONFIG, config, sizeof(config))) != HAL_OK ||
- (err = hal_io_init(AES_ADDR_CTRL)) != HAL_OK)
+ if ((err = hal_io_write(core, AES_ADDR_KEY0, K, K_len)) != HAL_OK ||
+ (err = hal_io_write(core, AES_ADDR_CONFIG, config, sizeof(config))) != HAL_OK ||
+ (err = hal_io_init(core)) != HAL_OK)
return err;
return HAL_OK;
@@ -127,18 +128,18 @@ static hal_error_t load_kek(const uint8_t *K, const size_t K_len, const kek_acti
* Just be VERY careful if you change anything here.
*/
-static hal_error_t do_block(uint8_t *b1, uint8_t *b2)
+static hal_error_t do_block(const hal_core_t *core, uint8_t *b1, uint8_t *b2)
{
hal_error_t err;
assert(b1 != NULL && b2 != NULL);
- if ((err = hal_io_write(AES_ADDR_BLOCK0, b1, 8)) != HAL_OK ||
- (err = hal_io_write(AES_ADDR_BLOCK2, b2, 8)) != HAL_OK ||
- (err = hal_io_next(AES_ADDR_CTRL)) != HAL_OK ||
- (err = hal_io_wait_ready(AES_ADDR_STATUS)) != HAL_OK ||
- (err = hal_io_read(AES_ADDR_RESULT0, b1, 8)) != HAL_OK ||
- (err = hal_io_read(AES_ADDR_RESULT2, b2, 8)) != HAL_OK)
+ if ((err = hal_io_write(core, AES_ADDR_BLOCK0, b1, 8)) != HAL_OK ||
+ (err = hal_io_write(core, AES_ADDR_BLOCK2, b2, 8)) != HAL_OK ||
+ (err = hal_io_next(core)) != HAL_OK ||
+ (err = hal_io_wait_ready(core)) != HAL_OK ||
+ (err = hal_io_read(core, AES_ADDR_RESULT0, b1, 8)) != HAL_OK ||
+ (err = hal_io_read(core, AES_ADDR_RESULT2, b2, 8)) != HAL_OK)
return err;
return HAL_OK;
@@ -155,7 +156,8 @@ static hal_error_t do_block(uint8_t *b1, uint8_t *b2)
* buffer size.
*/
-hal_error_t hal_aes_keywrap(const uint8_t *K, const size_t K_len,
+hal_error_t hal_aes_keywrap(const hal_core_t *core,
+ const uint8_t *K, const size_t K_len,
const uint8_t * const Q,
const size_t m,
uint8_t *C,
@@ -168,10 +170,13 @@ hal_error_t hal_aes_keywrap(const uint8_t *K, const size_t K_len,
assert(calculated_C_len % 8 == 0);
+ if ((err = hal_core_check_name(&core, AES_CORE_NAME)) != HAL_OK)
+ return err;
+
if (Q == NULL || C == NULL || C_len == NULL || *C_len < calculated_C_len)
return HAL_ERROR_BAD_ARGUMENTS;
- if ((err = load_kek(K, K_len, KEK_encrypting)) != HAL_OK)
+ if ((err = load_kek(core, K, K_len, KEK_encrypting)) != HAL_OK)
return err;
*C_len = calculated_C_len;
@@ -192,7 +197,7 @@ hal_error_t hal_aes_keywrap(const uint8_t *K, const size_t K_len,
n = calculated_C_len/8 - 1;
if (n == 1) {
- if ((err = do_block(C, C + 8)) != HAL_OK)
+ if ((err = do_block(core, C, C + 8)) != HAL_OK)
return err;
}
@@ -200,7 +205,7 @@ hal_error_t hal_aes_keywrap(const uint8_t *K, const size_t K_len,
for (j = 0; j <= 5; j++) {
for (i = 1; i <= n; i++) {
uint32_t t = n * j + i;
- if ((err = do_block(C, C + i * 8)) != HAL_OK)
+ if ((err = do_block(core, C, C + i * 8)) != HAL_OK)
return err;
C[7] ^= t & 0xFF; t >>= 8;
C[6] ^= t & 0xFF; t >>= 8;
@@ -220,7 +225,8 @@ hal_error_t hal_aes_keywrap(const uint8_t *K, const size_t K_len,
* Q should be the same size as C. Q and C can overlap.
*/
-hal_error_t hal_aes_keyunwrap(const uint8_t *K, const size_t K_len,
+hal_error_t hal_aes_keyunwrap(const hal_core_t * core,
+ const uint8_t *K, const size_t K_len,
const uint8_t * const C,
const size_t C_len,
uint8_t *Q,
@@ -231,10 +237,13 @@ hal_error_t hal_aes_keyunwrap(const uint8_t *K, const size_t K_len,
long i, j;
size_t m;
+ if ((err = hal_core_check_name(&core, AES_CORE_NAME)) != HAL_OK)
+ return err;
+
if (C == NULL || Q == NULL || C_len % 8 != 0 || C_len < 16 || Q_len == NULL || *Q_len < C_len)
return HAL_ERROR_BAD_ARGUMENTS;
- if ((err = load_kek(K, K_len, KEK_decrypting)) != HAL_OK)
+ if ((err = load_kek(core, K, K_len, KEK_decrypting)) != HAL_OK)
return err;
n = (C_len / 8) - 1;
@@ -243,7 +252,7 @@ hal_error_t hal_aes_keyunwrap(const uint8_t *K, const size_t K_len,
memmove(Q, C, C_len);
if (n == 1) {
- if ((err = do_block(Q, Q + 8)) != HAL_OK)
+ if ((err = do_block(core, Q, Q + 8)) != HAL_OK)
return err;
}
@@ -255,7 +264,7 @@ hal_error_t hal_aes_keyunwrap(const uint8_t *K, const size_t K_len,
Q[6] ^= t & 0xFF; t >>= 8;
Q[5] ^= t & 0xFF; t >>= 8;
Q[4] ^= t & 0xFF;
- if ((err = do_block(Q, Q + i * 8)) != HAL_OK)
+ if ((err = do_block(core, Q, Q + i * 8)) != HAL_OK)
return err;
}
}
diff --git a/core.c b/core.c
new file mode 100644
index 0000000..8746ec4
--- /dev/null
+++ b/core.c
@@ -0,0 +1,211 @@
+/*
+ * core.c
+ * ------
+ * This module contains code to probe the FPGA for its installed cores.
+ *
+ * Author: Paul Selkirk, Rob Austein
+ * Copyright (c) 2015, NORDUnet A/S All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the NORDUnet nor the names of its contributors may
+ * be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "hal.h"
+#include "verilog_constants.h"
+
+/*
+ * Each Cryptech core has a set of 4-byte registers, which are accessed
+ * through a 16-bit address. The address space is divided as follows:
+ * 3 bits segment selector | up to 8 segments
+ * 5 bits core selector | up to 32 cores/segment (see note below)
+ * 8 bits register selector | up to 256 registers/core (see modexp below)
+ *
+ * i.e, the address is structured as:
+ * sss ccccc rrrrrrrr
+ *
+ * The I2C and UART communication channels use this 16-bit address format
+ * directly in their read and write commands.
+ *
+ * The EIM communications channel translates this 16-bit address into a
+ * 32-bit memory-mapped address in the range 0x08000000..807FFFF:
+ * 00001000000000 sss 0 ccccc rrrrrrrr 00
+ *
+ * EIM, as implemented on the Novena, uses a 19-bit address space:
+ * Bits 18..16 are the semgent selector.
+ * Bits 15..10 are the core selector.
+ * Bits 9..2 are the register selector.
+ * Bits 1..0 are zero, because reads and writes are always word aligned.
+ *
+ * Note that EIM can support 64 cores per segment, but we sacrifice one bit
+ * in order to map it into a 16-bit address space.
+ */
+
+/*
+ * Structure of our internal database is private, in case we want to
+ * be change representation (array, tree, list of lists, whatever) at
+ * some later date without having to change the public API.
+ */
+
+struct hal_core {
+ hal_core_info_t info;
+ struct hal_core *next;
+};
+
+/*
+ * Check whether a core's name matches a particular string. This is a
+ * bit nasty due to non-null-terminated fixed-length names.
+ */
+
+static int name_matches(const hal_core_t *const core, const char * const name)
+{
+ return (core != NULL && name != NULL && *name != '\0' &&
+ strncmp(name, core->info.name, strnlen(name, sizeof(core->info.name))) == 0);
+}
+
+/*
+ * Probe the FPGA and build our internal database.
+ *
+ * At the moment this knows far more than it should about pecularities
+ * of certain cores. In theory at least some of this will be fixed
+ * soon on the Verilog side. Adding a core-length word to the core
+ * header sure would make this simpler.
+ */
+
+#define CORE_MIN 0
+#define CORE_MAX 0x10000
+#define CORE_SIZE 0x100
+
+/* Extra space to leave after particular cores. Yummy. */
+
+static const struct { const char *name; hal_addr_t extra; } gaps[] = {
+ { "trng", 4 * CORE_SIZE }, /* Four empty slots after trng */
+ { "rosc ent", 3 * CORE_SIZE }, /* Three empty slots after rosc */
+ { "csprng", 4 * CORE_SIZE }, /* Four empty slots after csprng */
+ { "modexps6", 3 * CORE_SIZE }, /* ModexpS6 uses four slots */
+};
+
+static hal_core_t *probe_cores(void)
+{
+ static hal_core_t *head = NULL;
+
+ if (head != NULL)
+ return head;
+
+ hal_core_t **tail = &head;
+ hal_core_t *core = NULL;
+ hal_error_t err = HAL_OK;
+
+ for (hal_addr_t addr = CORE_MIN; addr < CORE_MAX; addr += CORE_SIZE) {
+
+ if (core == NULL && (core = malloc(sizeof(hal_core_t))) == NULL) {
+ err = HAL_ERROR_ALLOCATION_FAILURE;
+ goto fail;
+ }
+
+ memset(core, 0, sizeof(*core));
+ core->info.base = addr;
+
+ if ((err = hal_io_read(core, ADDR_NAME0, (uint8_t *) core->info.name, 8)) != HAL_OK ||
+ (err = hal_io_read(core, ADDR_VERSION, (uint8_t *) core->info.version, 4)) != HAL_OK)
+ goto fail;
+
+ if (core->info.name[0] == '\0')
+ continue;
+
+ for (int i = 0; i < sizeof(gaps)/sizeof(*gaps); i++) {
+ if (name_matches(core, gaps[i].name)) {
+ addr += gaps[i].extra;
+ break;
+ }
+ }
+
+ *tail = core;
+ tail = &core->next;
+ core = NULL;
+ }
+
+ if (core != NULL)
+ free(core);
+
+ return head;
+
+ fail:
+ if (core != NULL)
+ free(core);
+ while ((core = head) != NULL) {
+ head = core->next;
+ free(core);
+ }
+ return NULL;
+}
+
+const hal_core_t * hal_core_iterate(const hal_core_t *core)
+{
+ return core == NULL ? probe_cores() : core->next;
+}
+
+const hal_core_t *hal_core_find(const char *name, const hal_core_t *core)
+{
+ for (core = hal_core_iterate(core); core != NULL; core = core->next)
+ if (name_matches(core, name))
+ return core;
+ return NULL;
+}
+
+hal_error_t hal_core_check_name(const hal_core_t **core, const char *name)
+{
+ if (core == NULL || name == NULL)
+ return HAL_ERROR_BAD_ARGUMENTS;
+
+ if (*core == NULL && (*core = hal_core_find(name, NULL)) != NULL)
+ return HAL_OK;
+
+ if (*core == NULL || !name_matches(*core, name))
+ return HAL_ERROR_CORE_NOT_FOUND;
+
+ return HAL_OK;
+}
+
+hal_addr_t hal_core_base(const hal_core_t *core)
+{
+ return core == NULL ? 0 : core->info.base;
+}
+
+const hal_core_info_t *hal_core_info(const hal_core_t *core)
+{
+ return core == NULL ? NULL : &core->info;
+}
+
+/*
+ * Local variables:
+ * indent-tabs-mode: nil
+ * End:
+ */
diff --git a/csprng.c b/csprng.c
index 235bd12..08ca794 100644
--- a/csprng.c
+++ b/csprng.c
@@ -38,12 +38,13 @@
#include <stdio.h>
#include "hal.h"
+#include "verilog_constants.h"
#ifndef WAIT_FOR_CSPRNG_VALID
#define WAIT_FOR_CSPRNG_VALID 0
#endif
-hal_error_t hal_get_random(void *buffer, const size_t length)
+hal_error_t hal_get_random(const hal_core_t *core, void *buffer, const size_t length)
{
uint8_t temp[4], *buf = buffer;
hal_error_t err;
@@ -52,10 +53,10 @@ hal_error_t hal_get_random(void *buffer, const size_t length)
for (i = 0; i < length; i += 4) {
const int last = (length - i) < 4;
- if (WAIT_FOR_CSPRNG_VALID && (err = hal_io_wait_valid(CSPRNG_ADDR_STATUS)) != HAL_OK)
+ if (WAIT_FOR_CSPRNG_VALID && (err = hal_io_wait_valid(core)) != HAL_OK)
return err;
- if ((err = hal_io_read(CSPRNG_ADDR_RANDOM, (last ? temp : &buf[i]), 4)) != HAL_OK)
+ if ((err = hal_io_read(core, CSPRNG_ADDR_RANDOM, (last ? temp : &buf[i]), 4)) != HAL_OK)
return err;
if (last)
diff --git a/ecdsa.c b/ecdsa.c
index e2da87e..7077dd5 100644
--- a/ecdsa.c
+++ b/ecdsa.c
@@ -717,7 +717,7 @@ static inline hal_error_t get_random(void *buffer, const size_t length)
if (rng_test_override_function)
return rng_test_override_function(buffer, length);
else
- return hal_get_random(buffer, length);
+ return hal_get_random(NULL, buffer, length);
}
#else /* HAL_ECDSA_DEBUG_ONLY_STATIC_TEST_VECTOR_RANDOM */
@@ -830,7 +830,8 @@ static int point_is_on_curve(const ec_point_t * const P,
* Generate a new ECDSA key.
*/
-hal_error_t hal_ecdsa_key_gen(hal_ecdsa_key_t **key_,
+hal_error_t hal_ecdsa_key_gen(const hal_core_t *core,
+ hal_ecdsa_key_t **key_,
void *keybuf, const size_t keybuf_len,
const hal_ecdsa_curve_t curve_)
{
@@ -1422,7 +1423,8 @@ static hal_error_t decode_signature_asn1(const ecdsa_curve_t * const curve,
* Sign a caller-supplied hash.
*/
-hal_error_t hal_ecdsa_sign(const hal_ecdsa_key_t * const key,
+hal_error_t hal_ecdsa_sign(const hal_core_t *core,
+ const hal_ecdsa_key_t * const key,
const uint8_t * const hash, const size_t hash_len,
uint8_t *signature, size_t *signature_len, const size_t signature_max,
const hal_ecdsa_signature_format_t signature_format)
@@ -1515,7 +1517,8 @@ hal_error_t hal_ecdsa_sign(const hal_ecdsa_key_t * const key,
* Verify a signature using a caller-supplied hash.
*/
-hal_error_t hal_ecdsa_verify(const hal_ecdsa_key_t * const key,
+hal_error_t hal_ecdsa_verify(const hal_core_t *core,
+ const hal_ecdsa_key_t * const key,
const uint8_t * const hash, const size_t hash_len,
const uint8_t * const signature, const size_t signature_len,
const hal_ecdsa_signature_format_t signature_format)
diff --git a/hal.h b/hal.h
index 374fdb5..2ae412b 100644
--- a/hal.h
+++ b/hal.h
@@ -33,390 +33,61 @@
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-/*
- * Each Cryptech core has a set of 4-byte registers, which are accessed
- * through a 16-bit address. The address space is divided as follows:
- * 3 bits segment selector | up to 8 segments
- * 5 bits core selector | up to 32 cores/segment (see note below)
- * 8 bits register selector | up to 256 registers/core (see modexp below)
- *
- * i.e, the address is structured as:
- * sss ccccc rrrrrrrr
- *
- * The I2C and UART communication channels use this 16-bit address format
- * directly in their read and write commands.
- *
- * The EIM communications channel translates this 16-bit address into a
- * 32-bit memory-mapped address in the range 0x08000000..807FFFF:
- * 00001000000000 sss 0 ccccc rrrrrrrr 00
- *
- * EIM, as implemented on the Novena, uses a 19-bit address space:
- * Bits 18..16 are the semgent selector.
- * Bits 15..10 are the core selector.
- * Bits 9..2 are the register selector.
- * Bits 1..0 are zero, because reads and writes are always word aligned.
- *
- * Note that EIM can support 64 cores per segment, but we sacrifice one bit
- * in order to map it into a 16-bit address space.
- */
-
#ifndef _HAL_H_
#define _HAL_H_
-
-/*
- * Default sizes.
- */
-#define CORE_SIZE (0x100)
-#define SEGMENT_SIZE (0x20 * CORE_SIZE)
-
-
-/*
- * Segments.
- */
-#define SEGMENT_OFFSET_GLOBALS (0 * SEGMENT_SIZE)
-#define SEGMENT_OFFSET_HASHES (1 * SEGMENT_SIZE)
-#define SEGMENT_OFFSET_RNGS (2 * SEGMENT_SIZE)
-#define SEGMENT_OFFSET_CIPHERS (3 * SEGMENT_SIZE)
-#define SEGMENT_OFFSET_MATH (4 * SEGMENT_SIZE)
-
-
/*
- * Addresses and codes common to all cores.
+ * A handy macro from cryptlib.
*/
-#define ADDR_NAME0 (0x00)
-#define ADDR_NAME1 (0x01)
-#define ADDR_VERSION (0x02)
-#define ADDR_CTRL (0x08)
-#define CTRL_INIT (1)
-#define CTRL_NEXT (2)
-#define ADDR_STATUS (0x09)
-#define STATUS_READY (1)
-#define STATUS_VALID (2)
-
-
-/* A handy macro from cryptlib */
#ifndef bitsToBytes
#define bitsToBytes(x) (x / 8)
#endif
-
/*
- * Board segment.
- * Board-level registers and communication channel registers.
+ * Current name and version values.
+ *
+ * Should these even be here? Dunno.
+ * Should the versions be here even if the names should be?
*/
-#define BOARD_ADDR_BASE (SEGMENT_OFFSET_GLOBALS + (0 * CORE_SIZE))
-#define BOARD_ADDR_NAME0 (BOARD_ADDR_BASE + ADDR_NAME0)
-#define BOARD_ADDR_NAME1 (BOARD_ADDR_BASE + ADDR_NAME1)
-#define BOARD_ADDR_VERSION (BOARD_ADDR_BASE + ADDR_VERSION)
-#define BOARD_ADDR_DUMMY (BOARD_ADDR_BASE + 0xFF)
-
-#define COMM_ADDR_BASE (SEGMENT_OFFSET_GLOBALS + (1 * CORE_SIZE))
-#define COMM_ADDR_NAME0 (COMM_ADDR_BASE + ADDR_NAME0)
-#define COMM_ADDR_NAME1 (COMM_ADDR_BASE + ADDR_NAME1)
-#define COMM_ADDR_VERSION (COMM_ADDR_BASE + ADDR_VERSION)
-
-/* Current name and version values */
-#define NOVENA_BOARD_NAME0 "PVT1"
-#define NOVENA_BOARD_NAME1 " "
+
+#define NOVENA_BOARD_NAME "PVT1 "
#define NOVENA_BOARD_VERSION "0.10"
-#define EIM_INTERFACE_NAME0 "eim "
-#define EIM_INTERFACE_NAME1 " "
+#define EIM_INTERFACE_NAME "eim "
#define EIM_INTERFACE_VERSION "0.10"
-#define I2C_INTERFACE_NAME0 "i2c "
-#define I2C_INTERFACE_NAME1 " "
+#define I2C_INTERFACE_NAME "i2c "
#define I2C_INTERFACE_VERSION "0.10"
-
-/*
- * Hashes segment.
- */
-
-/* Addresses common to all hash cores */
-#define ADDR_BLOCK (0x10)
-#define ADDR_DIGEST (0x20) /* except SHA512 */
-
-/* Addresses and codes for the specific hash cores */
-#define SHA1_ADDR_BASE (SEGMENT_OFFSET_HASHES + (0 * CORE_SIZE))
-#define SHA1_ADDR_NAME0 (SHA1_ADDR_BASE + ADDR_NAME0)
-#define SHA1_ADDR_NAME1 (SHA1_ADDR_BASE + ADDR_NAME1)
-#define SHA1_ADDR_VERSION (SHA1_ADDR_BASE + ADDR_VERSION)
-#define SHA1_ADDR_CTRL (SHA1_ADDR_BASE + ADDR_CTRL)
-#define SHA1_ADDR_STATUS (SHA1_ADDR_BASE + ADDR_STATUS)
-#define SHA1_ADDR_BLOCK (SHA1_ADDR_BASE + ADDR_BLOCK)
-#define SHA1_ADDR_DIGEST (SHA1_ADDR_BASE + ADDR_DIGEST)
-#define SHA1_BLOCK_LEN bitsToBytes(512)
-#define SHA1_LENGTH_LEN bitsToBytes(64)
-#define SHA1_DIGEST_LEN bitsToBytes(160)
-
-#define SHA256_ADDR_BASE (SEGMENT_OFFSET_HASHES + (1 * CORE_SIZE))
-#define SHA256_ADDR_NAME0 (SHA256_ADDR_BASE + ADDR_NAME0)
-#define SHA256_ADDR_NAME1 (SHA256_ADDR_BASE + ADDR_NAME1)
-#define SHA256_ADDR_VERSION (SHA256_ADDR_BASE + ADDR_VERSION)
-#define SHA256_ADDR_CTRL (SHA256_ADDR_BASE + ADDR_CTRL)
-#define SHA256_ADDR_STATUS (SHA256_ADDR_BASE + ADDR_STATUS)
-#define SHA256_ADDR_BLOCK (SHA256_ADDR_BASE + ADDR_BLOCK)
-#define SHA256_ADDR_DIGEST (SHA256_ADDR_BASE + ADDR_DIGEST)
-#define SHA256_BLOCK_LEN bitsToBytes(512)
-#define SHA256_LENGTH_LEN bitsToBytes(64)
-#define SHA256_DIGEST_LEN bitsToBytes(256)
-
-#define SHA512_ADDR_BASE (SEGMENT_OFFSET_HASHES + (2 * CORE_SIZE))
-#define SHA512_ADDR_NAME0 (SHA512_ADDR_BASE + ADDR_NAME0)
-#define SHA512_ADDR_NAME1 (SHA512_ADDR_BASE + ADDR_NAME1)
-#define SHA512_ADDR_VERSION (SHA512_ADDR_BASE + ADDR_VERSION)
-#define SHA512_ADDR_CTRL (SHA512_ADDR_BASE + ADDR_CTRL)
-#define SHA512_ADDR_STATUS (SHA512_ADDR_BASE + ADDR_STATUS)
-#define SHA512_ADDR_BLOCK (SHA512_ADDR_BASE + ADDR_BLOCK)
-#define SHA512_ADDR_DIGEST (SHA512_ADDR_BASE + 0x40)
-#define SHA512_BLOCK_LEN bitsToBytes(1024)
-#define SHA512_LENGTH_LEN bitsToBytes(128)
-#define SHA512_224_DIGEST_LEN bitsToBytes(224)
-#define SHA512_256_DIGEST_LEN bitsToBytes(256)
-#define SHA384_DIGEST_LEN bitsToBytes(384)
-#define SHA512_DIGEST_LEN bitsToBytes(512)
-#define MODE_SHA_512_224 (0 << 2)
-#define MODE_SHA_512_256 (1 << 2)
-#define MODE_SHA_384 (2 << 2)
-#define MODE_SHA_512 (3 << 2)
-
-/* Current name and version values */
-#define SHA1_NAME0 "sha1"
-#define SHA1_NAME1 " "
-#define SHA1_VERSION "0.50"
-
-#define SHA256_NAME0 "sha2"
-#define SHA256_NAME1 "-256"
-#define SHA256_VERSION "0.80"
-
-#define SHA512_NAME0 "sha2"
-#define SHA512_NAME1 "-512"
-#define SHA512_VERSION "0.80"
-
-
-/*
- * TRNG segment.
- */
-
-/* addresses and codes for the TRNG cores */
-#define TRNG_ADDR_BASE (SEGMENT_OFFSET_RNGS + (0x00 * CORE_SIZE))
-#define TRNG_ADDR_NAME0 (TRNG_ADDR_BASE + ADDR_NAME0)
-#define TRNG_ADDR_NAME1 (TRNG_ADDR_BASE + ADDR_NAME1)
-#define TRNG_ADDR_VERSION (TRNG_ADDR_BASE + ADDR_VERSION)
-#define TRNG_ADDR_CTRL (TRNG_ADDR_BASE + 0x10)
-#define TRNG_CTRL_DISCARD (1)
-#define TRNG_CTRL_TEST_MODE (2)
-#define TRNG_ADDR_STATUS (TRNG_ADDR_BASE + 0x11)
-/* No status bits defined (yet) */
-#define TRNG_ADDR_DELAY (TRNG_ADDR_BASE + 0x13)
-
-#define ENTROPY1_ADDR_BASE (SEGMENT_OFFSET_RNGS + (0x05 * CORE_SIZE))
-#define ENTROPY1_ADDR_NAME0 (ENTROPY1_ADDR_BASE + ADDR_NAME0)
-#define ENTROPY1_ADDR_NAME1 (ENTROPY1_ADDR_BASE + ADDR_NAME1)
-#define ENTROPY1_ADDR_VERSION (ENTROPY1_ADDR_BASE + ADDR_VERSION)
-#define ENTROPY1_ADDR_CTRL (ENTROPY1_ADDR_BASE + 0x10)
-#define ENTROPY1_CTRL_ENABLE (1)
-#define ENTROPY1_ADDR_STATUS (ENTROPY1_ADDR_BASE + 0x11)
-#define ENTROPY1_STATUS_VALID (1)
-#define ENTROPY1_ADDR_ENTROPY (ENTROPY1_ADDR_BASE + 0x20)
-#define ENTROPY1_ADDR_DELTA (ENTROPY1_ADDR_BASE + 0x30)
-
-#define ENTROPY2_ADDR_BASE (SEGMENT_OFFSET_RNGS + (0x06 * CORE_SIZE))
-#define ENTROPY2_ADDR_NAME0 (ENTROPY2_ADDR_BASE + ADDR_NAME0)
-#define ENTROPY2_ADDR_NAME1 (ENTROPY2_ADDR_BASE + ADDR_NAME1)
-#define ENTROPY2_ADDR_VERSION (ENTROPY2_ADDR_BASE + ADDR_VERSION)
-#define ENTROPY2_ADDR_CTRL (ENTROPY2_ADDR_BASE + 0x10)
-#define ENTROPY2_CTRL_ENABLE (1)
-#define ENTROPY2_ADDR_STATUS (ENTROPY2_ADDR_BASE + 0x11)
-#define ENTROPY2_STATUS_VALID (1)
-#define ENTROPY2_ADDR_OPA (ENTROPY2_ADDR_BASE + 0x18)
-#define ENTROPY2_ADDR_OPB (ENTROPY2_ADDR_BASE + 0x19)
-#define ENTROPY2_ADDR_ENTROPY (ENTROPY2_ADDR_BASE + 0x20)
-#define ENTROPY2_ADDR_RAW (ENTROPY2_ADDR_BASE + 0x21)
-#define ENTROPY2_ADDR_ROSC (ENTROPY2_ADDR_BASE + 0x22)
-
-#define MIXER_ADDR_BASE (SEGMENT_OFFSET_RNGS + (0x0a * CORE_SIZE))
-#define MIXER_ADDR_NAME0 (MIXER_ADDR_BASE + ADDR_NAME0)
-#define MIXER_ADDR_NAME1 (MIXER_ADDR_BASE + ADDR_NAME1)
-#define MIXER_ADDR_VERSION (MIXER_ADDR_BASE + ADDR_VERSION)
-#define MIXER_ADDR_CTRL (MIXER_ADDR_BASE + 0x10)
-#define MIXER_CTRL_ENABLE (1)
-#define MIXER_CTRL_RESTART (2)
-#define MIXER_ADDR_STATUS (MIXER_ADDR_BASE + 0x11)
-/* No status bits defined (yet) */
-#define MIXER_ADDR_TIMEOUT (MIXER_ADDR_BASE + 0x20)
-
-#define CSPRNG_ADDR_BASE (SEGMENT_OFFSET_RNGS + (0x0b * CORE_SIZE))
-#define CSPRNG_ADDR_NAME0 (CSPRNG_ADDR_BASE + ADDR_NAME0)
-#define CSPRNG_ADDR_NAME1 (CSPRNG_ADDR_BASE + ADDR_NAME1)
-#define CSPRNG_ADDR_VERSION (CSPRNG_ADDR_BASE + ADDR_VERSION)
-#define CSPRNG_ADDR_CTRL (CSPRNG_ADDR_BASE + 0x10)
-#define CSPRNG_CTRL_ENABLE (1)
-#define CSPRNG_CTRL_SEED (2)
-#define CSPRNG_ADDR_STATUS (CSPRNG_ADDR_BASE + 0x11)
-#define CSPRNG_STATUS_VALID (1)
-#define CSPRNG_ADDR_RANDOM (CSPRNG_ADDR_BASE + 0x20)
-#define CSPRNG_ADDR_NROUNDS (CSPRNG_ADDR_BASE + 0x40)
-#define CSPRNG_ADDR_NBLOCKS_LO (CSPRNG_ADDR_BASE + 0x41)
-#define CSPRNG_ADDR_NBLOCKS_HI (CSPRNG_ADDR_BASE + 0x42)
-
-/* Current name and version values */
-#define TRNG_NAME0 "trng"
-#define TRNG_NAME1 " "
+#define TRNG_NAME "trng "
#define TRNG_VERSION "0.50"
-#define AVALANCHE_ENTROPY_NAME0 "extn"
-#define AVALANCHE_ENTROPY_NAME1 "oise"
+#define AVALANCHE_ENTROPY_NAME "extnoise"
#define AVALANCHE_ENTROPY_VERSION "0.10"
-#define ROSC_ENTROPY_NAME0 "rosc"
-#define ROSC_ENTROPY_NAME1 " ent"
+#define ROSC_ENTROPY_NAME "rosc ent"
#define ROSC_ENTROPY_VERSION "0.10"
-#define CSPRNG_NAME0 "cspr"
-#define CSPRNG_NAME1 "ng "
+#define CSPRNG_NAME "csprng "
#define CSPRNG_VERSION "0.50"
+#define SHA1_NAME "sha1 "
+#define SHA1_VERSION "0.50"
-/*
- * CIPHERS segment.
- */
+#define SHA256_NAME "sha2-256"
+#define SHA256_VERSION "0.80"
-/* AES core */
-#define AES_ADDR_BASE (SEGMENT_OFFSET_CIPHERS + (0 * CORE_SIZE))
-#define AES_ADDR_NAME0 (AES_ADDR_BASE + ADDR_NAME0)
-#define AES_ADDR_NAME1 (AES_ADDR_BASE + ADDR_NAME1)
-#define AES_ADDR_VERSION (AES_ADDR_BASE + ADDR_VERSION)
-#define AES_ADDR_CTRL (AES_ADDR_BASE + ADDR_CTRL)
-#define AES_ADDR_STATUS (AES_ADDR_BASE + ADDR_STATUS)
-
-#define AES_ADDR_CONFIG (AES_ADDR_BASE + 0x0a)
-#define AES_CONFIG_ENCDEC (1)
-#define AES_CONFIG_KEYLEN (2)
-
-#define AES_ADDR_KEY0 (AES_ADDR_BASE + 0x10)
-#define AES_ADDR_KEY1 (AES_ADDR_BASE + 0x11)
-#define AES_ADDR_KEY2 (AES_ADDR_BASE + 0x12)
-#define AES_ADDR_KEY3 (AES_ADDR_BASE + 0x13)
-#define AES_ADDR_KEY4 (AES_ADDR_BASE + 0x14)
-#define AES_ADDR_KEY5 (AES_ADDR_BASE + 0x15)
-#define AES_ADDR_KEY6 (AES_ADDR_BASE + 0x16)
-#define AES_ADDR_KEY7 (AES_ADDR_BASE + 0x17)
-
-#define AES_ADDR_BLOCK0 (AES_ADDR_BASE + 0x20)
-#define AES_ADDR_BLOCK1 (AES_ADDR_BASE + 0x21)
-#define AES_ADDR_BLOCK2 (AES_ADDR_BASE + 0x22)
-#define AES_ADDR_BLOCK3 (AES_ADDR_BASE + 0x23)
-
-#define AES_ADDR_RESULT0 (AES_ADDR_BASE + 0x30)
-#define AES_ADDR_RESULT1 (AES_ADDR_BASE + 0x31)
-#define AES_ADDR_RESULT2 (AES_ADDR_BASE + 0x32)
-#define AES_ADDR_RESULT3 (AES_ADDR_BASE + 0x33)
-
-/* Current name and version values */
-#define AES_CORE_NAME0 "aes "
-#define AES_CORE_NAME1 " "
-#define AES_CORE_VERSION "0.80"
+#define SHA512_NAME "sha2-512"
+#define SHA512_VERSION "0.80"
+#define AES_CORE_NAME "aes "
+#define AES_CORE_VERSION "0.80"
-/* Chacha core */
-#define CHACHA_ADDR_BASE (SEGMENT_OFFSET_CIPHERS + (1 * CORE_SIZE))
-#define CHACHA_ADDR_NAME0 (CHACHA_ADDR_BASE + ADDR_NAME0)
-#define CHACHA_ADDR_NAME1 (CHACHA_ADDR_BASE + ADDR_NAME1)
-#define CHACHA_ADDR_VERSION (CHACHA_ADDR_BASE + ADDR_VERSION)
-#define CHACHA_ADDR_CTRL (CHACHA_ADDR_BASE + ADDR_CTRL)
-#define CHACHA_ADDR_STATUS (CHACHA_ADDR_BASE + ADDR_STATUS)
-
-#define CHACHA_ADDR_KEYLEN (CHACHA_ADDR_BASE + 0x0a)
-#define CHACHA_KEYLEN (1)
-
-#define CHACHA_ADDR_ROUNDS (CHACHA_ADDR_BASE + 0x0b)
-
-#define CHACHA_ADDR_KEY0 (CHACHA_ADDR_BASE + 0x10)
-#define CHACHA_ADDR_KEY1 (CHACHA_ADDR_BASE + 0x11)
-#define CHACHA_ADDR_KEY2 (CHACHA_ADDR_BASE + 0x12)
-#define CHACHA_ADDR_KEY3 (CHACHA_ADDR_BASE + 0x13)
-#define CHACHA_ADDR_KEY4 (CHACHA_ADDR_BASE + 0x14)
-#define CHACHA_ADDR_KEY5 (CHACHA_ADDR_BASE + 0x15)
-#define CHACHA_ADDR_KEY6 (CHACHA_ADDR_BASE + 0x16)
-#define CHACHA_ADDR_KEY7 (CHACHA_ADDR_BASE + 0x17)
-
-#define CHACHA_ADDR_IV0 (CHACHA_ADDR_BASE + 0x20)
-#define CHACHA_ADDR_IV1 (CHACHA_ADDR_BASE + 0x21)
-
-#define CHACHA_ADDR_DATA_IN0 (CHACHA_ADDR_BASE + 0x40)
-#define CHACHA_ADDR_DATA_IN1 (CHACHA_ADDR_BASE + 0x41)
-#define CHACHA_ADDR_DATA_IN2 (CHACHA_ADDR_BASE + 0x42)
-#define CHACHA_ADDR_DATA_IN3 (CHACHA_ADDR_BASE + 0x43)
-#define CHACHA_ADDR_DATA_IN4 (CHACHA_ADDR_BASE + 0x44)
-#define CHACHA_ADDR_DATA_IN5 (CHACHA_ADDR_BASE + 0x45)
-#define CHACHA_ADDR_DATA_IN6 (CHACHA_ADDR_BASE + 0x46)
-#define CHACHA_ADDR_DATA_IN7 (CHACHA_ADDR_BASE + 0x47)
-#define CHACHA_ADDR_DATA_IN8 (CHACHA_ADDR_BASE + 0x48)
-#define CHACHA_ADDR_DATA_IN9 (CHACHA_ADDR_BASE + 0x49)
-#define CHACHA_ADDR_DATA_IN10 (CHACHA_ADDR_BASE + 0x4a)
-#define CHACHA_ADDR_DATA_IN11 (CHACHA_ADDR_BASE + 0x4b)
-#define CHACHA_ADDR_DATA_IN12 (CHACHA_ADDR_BASE + 0x4c)
-#define CHACHA_ADDR_DATA_IN13 (CHACHA_ADDR_BASE + 0x4d)
-#define CHACHA_ADDR_DATA_IN14 (CHACHA_ADDR_BASE + 0x4e)
-#define CHACHA_ADDR_DATA_IN15 (CHACHA_ADDR_BASE + 0x4f)
-
-#define CHACHA_ADDR_DATA_OUT0 (CHACHA_ADDR_BASE + 0x80)
-#define CHACHA_ADDR_DATA_OUT1 (CHACHA_ADDR_BASE + 0x81)
-#define CHACHA_ADDR_DATA_OUT2 (CHACHA_ADDR_BASE + 0x82)
-#define CHACHA_ADDR_DATA_OUT3 (CHACHA_ADDR_BASE + 0x83)
-#define CHACHA_ADDR_DATA_OUT4 (CHACHA_ADDR_BASE + 0x84)
-#define CHACHA_ADDR_DATA_OUT5 (CHACHA_ADDR_BASE + 0x85)
-#define CHACHA_ADDR_DATA_OUT6 (CHACHA_ADDR_BASE + 0x86)
-#define CHACHA_ADDR_DATA_OUT7 (CHACHA_ADDR_BASE + 0x87)
-#define CHACHA_ADDR_DATA_OUT8 (CHACHA_ADDR_BASE + 0x88)
-#define CHACHA_ADDR_DATA_OUT9 (CHACHA_ADDR_BASE + 0x89)
-#define CHACHA_ADDR_DATA_OUT10 (CHACHA_ADDR_BASE + 0x8a)
-#define CHACHA_ADDR_DATA_OUT11 (CHACHA_ADDR_BASE + 0x8b)
-#define CHACHA_ADDR_DATA_OUT12 (CHACHA_ADDR_BASE + 0x8c)
-#define CHACHA_ADDR_DATA_OUT13 (CHACHA_ADDR_BASE + 0x8d)
-#define CHACHA_ADDR_DATA_OUT14 (CHACHA_ADDR_BASE + 0x8e)
-#define CHACHA_ADDR_DATA_OUT15 (CHACHA_ADDR_BASE + 0x8f)
-
-/* Current name and version values */
-#define CHACHA_NAME0 "chac"
-#define CHACHA_NAME1 "ha "
+#define CHACHA_NAME "chacha "
#define CHACHA_VERSION "0.80"
-
-/*
- * MATH segment.
- */
-
-#define MATH_CORE_SIZE (0x400)
-
-/*
- * ModExpS6 core. MODEXPS6_OPERAND_BITS is size in bits of largest
- * supported modulus.
- */
-
-#define MODEXPS6_ADDR_BASE (SEGMENT_OFFSET_MATH + (0x00 * MATH_CORE_SIZE))
-#define MODEXPS6_OPERAND_BITS (4096)
-#define MODEXPS6_OPERAND_WORDS (MODEXPS6_OPERAND_BITS/32)
-#define MODEXPS6_ADDR_REGISTERS (MODEXPS6_ADDR_BASE + 0*MODEXPS6_OPERAND_WORDS)
-#define MODEXPS6_ADDR_OPERANDS (MODEXPS6_ADDR_BASE + 4*MODEXPS6_OPERAND_WORDS)
-#define MODEXPS6_ADDR_NAME0 (MODEXPS6_ADDR_REGISTERS + ADDR_NAME0)
-#define MODEXPS6_ADDR_NAME1 (MODEXPS6_ADDR_REGISTERS + ADDR_NAME1)
-#define MODEXPS6_ADDR_VERSION (MODEXPS6_ADDR_REGISTERS + ADDR_VERSION)
-#define MODEXPS6_ADDR_CTRL (MODEXPS6_ADDR_REGISTERS + ADDR_CTRL)
-#define MODEXPS6_ADDR_STATUS (MODEXPS6_ADDR_REGISTERS + ADDR_STATUS)
-#define MODEXPS6_ADDR_MODE (MODEXPS6_ADDR_REGISTERS + 0x10)
-#define MODEXPS6_ADDR_MODULUS_WIDTH (MODEXPS6_ADDR_REGISTERS + 0x11)
-#define MODEXPS6_ADDR_EXPONENT_WIDTH (MODEXPS6_ADDR_REGISTERS + 0x12)
-#define MODEXPS6_ADDR_MODULUS (MODEXPS6_ADDR_OPERANDS + 0*MODEXPS6_OPERAND_WORDS)
-#define MODEXPS6_ADDR_MESSAGE (MODEXPS6_ADDR_OPERANDS + 1*MODEXPS6_OPERAND_WORDS)
-#define MODEXPS6_ADDR_EXPONENT (MODEXPS6_ADDR_OPERANDS + 2*MODEXPS6_OPERAND_WORDS)
-#define MODEXPS6_ADDR_RESULT (MODEXPS6_ADDR_OPERANDS + 3*MODEXPS6_OPERAND_WORDS)
-#define MODEXPS6_NAME0 "mode"
-#define MODEXPS6_NAME1 "xps6"
-#define MODEXPS6_VERSION "0.10"
+#define MODEXPS6_NAME "modexps6"
+#define MODEXPS6_VERSION "0.10"
/*
* C API error codes. Defined in this form so we can keep the tokens
@@ -442,6 +113,7 @@
DEFINE_HAL_ERROR(HAL_ERROR_ASN1_PARSE_FAILED, "ASN.1 parse failed") \
DEFINE_HAL_ERROR(HAL_ERROR_KEY_NOT_ON_CURVE, "EC key is not on its purported curve") \
DEFINE_HAL_ERROR(HAL_ERROR_INVALID_SIGNATURE, "Invalid signature") \
+ DEFINE_HAL_ERROR(HAL_ERROR_CORE_NOT_FOUND, "Requested core not found") \
END_OF_HAL_ERROR_LIST
/* Marker to forestall silly line continuation errors */
@@ -473,18 +145,45 @@ typedef off_t hal_addr_t;
extern const char *hal_error_string(const hal_error_t err);
/*
+ * Opaque structure representing a core.
+ */
+
+typedef struct hal_core hal_core_t;
+
+/*
* Public I/O functions.
*/
extern void hal_io_set_debug(int onoff);
-extern hal_error_t hal_io_write(hal_addr_t offset, const uint8_t *buf, size_t len);
-extern hal_error_t hal_io_read(hal_addr_t offset, uint8_t *buf, size_t len);
-extern hal_error_t hal_io_expected(hal_addr_t offset, const uint8_t *expected, size_t len);
-extern hal_error_t hal_io_init(hal_addr_t offset);
-extern hal_error_t hal_io_next(hal_addr_t offset);
-extern hal_error_t hal_io_wait(hal_addr_t offset, uint8_t status, int *count);
-extern hal_error_t hal_io_wait_ready(hal_addr_t offset);
-extern hal_error_t hal_io_wait_valid(hal_addr_t offset);
+extern hal_error_t hal_io_write(const hal_core_t *core, hal_addr_t offset, const uint8_t *buf, size_t len);
+extern hal_error_t hal_io_read(const hal_core_t *core, hal_addr_t offset, uint8_t *buf, size_t len);
+extern hal_error_t hal_io_init(const hal_core_t *core);
+extern hal_error_t hal_io_next(const hal_core_t *core);
+extern hal_error_t hal_io_wait(const hal_core_t *core, uint8_t status, int *count);
+extern hal_error_t hal_io_wait_ready(const hal_core_t *core);
+extern hal_error_t hal_io_wait_valid(const hal_core_t *core);
+
+/*
+ * Core management functions.
+ *
+ * Given our druthers, we'd handle public information about a core
+ * using the opaque type and individual access methods, but C's
+ * insistence on discarding array bounds information makes
+ * non-delimited character arrays problematic unless we wrap them in a
+ * structure.
+ */
+
+typedef struct {
+ char name[8];
+ char version[4];
+ hal_addr_t base;
+} hal_core_info_t;
+
+extern const hal_core_t *hal_core_find(const char *name, const hal_core_t *core);
+extern const hal_core_info_t *hal_core_info(const hal_core_t *core);
+extern hal_error_t hal_core_check_name(const hal_core_t **core, const char *name);
+extern hal_addr_t hal_core_base(const hal_core_t *core);
+extern const hal_core_t * hal_core_iterate(const hal_core_t *core);
/*
* Higher level public API.
@@ -494,7 +193,7 @@ extern hal_error_t hal_io_wait_valid(hal_addr_t offset);
* Get random bytes from the CSPRNG.
*/
-extern hal_error_t hal_get_random(void *buffer, const size_t length);
+extern hal_error_t hal_get_random(const hal_core_t *core, void *buffer, const size_t length);
/*
* Hash and HMAC API.
@@ -530,11 +229,12 @@ typedef struct {
const uint8_t * const digest_algorithm_id;
size_t digest_algorithm_id_length;
const hal_hash_driver_t *driver;
+ char core_name[8];
unsigned can_restore_state : 1;
} hal_hash_descriptor_t;
/*
- * Opaque pointers to internal state.
+ * Opaque structures for internal state.
*/
typedef struct hal_hash_state hal_hash_state_t;
@@ -558,9 +258,8 @@ extern const hal_hash_descriptor_t hal_hash_sha512[1];
extern void hal_hash_set_debug(int onoff);
-extern hal_error_t hal_hash_core_present(const hal_hash_descriptor_t * const descriptor);
-
-extern hal_error_t hal_hash_initialize(const hal_hash_descriptor_t * const descriptor,
+extern hal_error_t hal_hash_initialize(const hal_core_t *core,
+ const hal_hash_descriptor_t * const descriptor,
hal_hash_state_t **state,
void *state_buffer, const size_t state_length);
@@ -570,7 +269,8 @@ extern hal_error_t hal_hash_update(hal_hash_state_t *state,
extern hal_error_t hal_hash_finalize(hal_hash_state_t *state,
uint8_t *digest, const size_t length);
-extern hal_error_t hal_hmac_initialize(const hal_hash_descriptor_t * const descriptor,
+extern hal_error_t hal_hmac_initialize(const hal_core_t *core,
+ const hal_hash_descriptor_t * const descriptor,
hal_hmac_state_t **state,
void *state_buffer, const size_t state_length,
const uint8_t * const key, const size_t key_length);
@@ -588,11 +288,13 @@ extern void hal_hmac_cleanup(hal_hmac_state_t **state);
* AES key wrap functions.
*/
-extern hal_error_t hal_aes_keywrap(const uint8_t *kek, const size_t kek_length,
+extern hal_error_t hal_aes_keywrap(const hal_core_t *core,
+ const uint8_t *kek, const size_t kek_length,
const uint8_t *plaintext, const size_t plaintext_length,
uint8_t *cyphertext, size_t *ciphertext_length);
-extern hal_error_t hal_aes_keyunwrap(const uint8_t *kek, const size_t kek_length,
+extern hal_error_t hal_aes_keyunwrap(const hal_core_t *core,
+ const uint8_t *kek, const size_t kek_length,
const uint8_t *ciphertext, const size_t ciphertext_length,
unsigned char *plaintext, size_t *plaintext_length);
@@ -603,7 +305,8 @@ extern size_t hal_aes_keywrap_ciphertext_length(const size_t plaintext_length);
* the pseudo-random function (PRF).
*/
-extern hal_error_t hal_pbkdf2(const hal_hash_descriptor_t * const descriptor,
+extern hal_error_t hal_pbkdf2(const hal_core_t *core,
+ const hal_hash_descriptor_t * const descriptor,
const uint8_t * const password, const size_t password_length,
const uint8_t * const salt, const size_t salt_length,
uint8_t * derived_key, const size_t derived_key_length,
@@ -615,7 +318,8 @@ extern hal_error_t hal_pbkdf2(const hal_hash_descriptor_t * const descriptor,
extern void hal_modexp_set_debug(const int onoff);
-extern hal_error_t hal_modexp(const uint8_t * const msg, const size_t msg_len, /* Message */
+extern hal_error_t hal_modexp(const hal_core_t *core,
+ const uint8_t * const msg, const size_t msg_len, /* Message */
const uint8_t * const exp, const size_t exp_len, /* Exponent */
const uint8_t * const mod, const size_t mod_len, /* Modulus */
uint8_t * result, const size_t result_len);
@@ -666,15 +370,18 @@ extern hal_error_t hal_rsa_key_get_public_exponent(const hal_rsa_key_t * const k
extern void hal_rsa_key_clear(hal_rsa_key_t *key);
-extern hal_error_t hal_rsa_encrypt(const hal_rsa_key_t * const key,
+extern hal_error_t hal_rsa_encrypt(const hal_core_t *core,
+ const hal_rsa_key_t * const key,
const uint8_t * const input, const size_t input_len,
uint8_t * output, const size_t output_len);
-extern hal_error_t hal_rsa_decrypt(const hal_rsa_key_t * const key,
+extern hal_error_t hal_rsa_decrypt(const hal_core_t *core,
+ const hal_rsa_key_t * const key,
const uint8_t * const input, const size_t input_len,
uint8_t * output, const size_t output_len);
-extern hal_error_t hal_rsa_key_gen(hal_rsa_key_t **key,
+extern hal_error_t hal_rsa_key_gen(const hal_core_t *core,
+ hal_rsa_key_t **key,
void *keybuf, const size_t keybuf_len,
const unsigned key_length,
const uint8_t * const public_exponent, const size_t public_exponent_len);
@@ -729,7 +436,8 @@ extern hal_error_t hal_ecdsa_key_get_public(const hal_ecdsa_key_t * const key,
extern void hal_ecdsa_key_clear(hal_ecdsa_key_t *key);
-extern hal_error_t hal_ecdsa_key_gen(hal_ecdsa_key_t **key,
+extern hal_error_t hal_ecdsa_key_gen(const hal_core_t *core,
+ hal_ecdsa_key_t **key,
void *keybuf, const size_t keybuf_len,
const hal_ecdsa_curve_t curve);
@@ -752,15 +460,17 @@ extern hal_error_t hal_ecdsa_key_from_ecpoint(hal_ecdsa_key_t **key,
const uint8_t * const der, const size_t der_len,
const hal_ecdsa_curve_t curve);
-extern hal_error_t hal_ecdsa_sign(const hal_ecdsa_key_t * const key,
+extern hal_error_t hal_ecdsa_sign(const hal_core_t *core,
+ const hal_ecdsa_key_t * const key,
const uint8_t * const hash, const size_t hash_len,
uint8_t *signature, size_t *signature_len, const size_t signature_max,
const hal_ecdsa_signature_format_t signature_format);
-extern hal_error_t hal_ecdsa_verify(const hal_ecdsa_key_t * const key,
- const uint8_t * const hash, const size_t hash_len,
- const uint8_t * const signature, const size_t signature_len,
- const hal_ecdsa_signature_format_t signature_format);
+extern hal_error_t hal_ecdsa_verify(const hal_core_t *core,
+ const hal_ecdsa_key_t * const key,
+ const uint8_t * const hash, const size_t hash_len,
+ const uint8_t * const signature, const size_t signature_len,
+ const hal_ecdsa_signature_format_t signature_format);
#endif /* _HAL_H_ */
diff --git a/hal_io_eim.c b/hal_io_eim.c
index c0f70f4..4f9df65 100644
--- a/hal_io_eim.c
+++ b/hal_io_eim.c
@@ -43,6 +43,7 @@
#include "novena-eim.h"
#include "hal.h"
+#include "verilog_constants.h"
static int debug = 0;
static int inited = 0;
@@ -93,7 +94,7 @@ static void dump(char *label, const uint8_t *buf, size_t len)
}
}
-hal_error_t hal_io_write(hal_addr_t offset, const uint8_t *buf, size_t len)
+hal_error_t hal_io_write(const hal_core_t *core, hal_addr_t offset, const uint8_t *buf, size_t len)
{
hal_error_t err;
@@ -105,7 +106,7 @@ hal_error_t hal_io_write(hal_addr_t offset, const uint8_t *buf, size_t len)
dump("write ", buf, len);
- offset = eim_offset(offset);
+ offset = eim_offset(offset + hal_core_base(core));
for (; len > 0; offset += 4, buf += 4, len -= 4) {
uint32_t val;
val = htonl(*(uint32_t *)buf);
@@ -115,7 +116,7 @@ hal_error_t hal_io_write(hal_addr_t offset, const uint8_t *buf, size_t len)
return HAL_OK;
}
-hal_error_t hal_io_read(hal_addr_t offset, uint8_t *buf, size_t len)
+hal_error_t hal_io_read(const hal_core_t *core, hal_addr_t offset, uint8_t *buf, size_t len)
{
uint8_t *rbuf = buf;
int rlen = len;
@@ -127,7 +128,7 @@ hal_error_t hal_io_read(hal_addr_t offset, uint8_t *buf, size_t len)
if ((err = init()) != HAL_OK)
return err;
- offset = eim_offset(offset);
+ offset = eim_offset(offset + hal_core_base(core));
for (; rlen > 0; offset += 4, rbuf += 4, rlen -= 4) {
uint32_t val;
eim_read_32(offset, &val);
@@ -139,40 +140,19 @@ hal_error_t hal_io_read(hal_addr_t offset, uint8_t *buf, size_t len)
return HAL_OK;
}
-hal_error_t hal_io_expected(hal_addr_t offset, const uint8_t *expected, size_t len)
-{
- hal_error_t err;
- uint8_t buf[4];
- size_t i;
-
- if (len % 4 != 0)
- return HAL_ERROR_IO_BAD_COUNT;
-
- dump("expect", expected, len);
-
- for (i = 0; i < len; i++) {
- if ((i & 3) == 0 && (err = hal_io_read(offset + i/4, buf, sizeof(buf))) != HAL_OK)
- return err;
- if (buf[i & 3] != expected[i])
- return HAL_ERROR_IO_UNEXPECTED;
- }
-
- return HAL_OK;
-}
-
-hal_error_t hal_io_init(hal_addr_t offset)
+hal_error_t hal_io_init(const hal_core_t *core)
{
uint8_t buf[4] = { 0, 0, 0, CTRL_INIT };
- return hal_io_write(offset, buf, sizeof(buf));
+ return hal_io_write(core, ADDR_CTRL, buf, sizeof(buf));
}
-hal_error_t hal_io_next(hal_addr_t offset)
+hal_error_t hal_io_next(const hal_core_t *core)
{
uint8_t buf[4] = { 0, 0, 0, CTRL_NEXT };
- return hal_io_write(offset, buf, sizeof(buf));
+ return hal_io_write(core, ADDR_CTRL, buf, sizeof(buf));
}
-hal_error_t hal_io_wait(hal_addr_t offset, uint8_t status, int *count)
+hal_error_t hal_io_wait(const hal_core_t *core, uint8_t status, int *count)
{
hal_error_t err;
uint8_t buf[4];
@@ -183,7 +163,7 @@ hal_error_t hal_io_wait(hal_addr_t offset, uint8_t status, int *count)
if (count && (*count > 0) && (i >= *count))
return HAL_ERROR_IO_TIMEOUT;
- if ((err = hal_io_read(offset, buf, sizeof(buf))) != HAL_OK)
+ if ((err = hal_io_read(core, ADDR_STATUS, buf, sizeof(buf))) != HAL_OK)
return err;
if ((buf[3] & status) != 0) {
@@ -194,16 +174,16 @@ hal_error_t hal_io_wait(hal_addr_t offset, uint8_t status, int *count)
}
}
-hal_error_t hal_io_wait_ready(hal_addr_t offset)
+hal_error_t hal_io_wait_ready(const hal_core_t *core)
{
int limit = EIM_IO_TIMEOUT;
- return hal_io_wait(offset, STATUS_READY, &limit);
+ return hal_io_wait(core, STATUS_READY, &limit);
}
-hal_error_t hal_io_wait_valid(hal_addr_t offset)
+hal_error_t hal_io_wait_valid(const hal_core_t *core)
{
int limit = EIM_IO_TIMEOUT;
- return hal_io_wait(offset, STATUS_VALID, &limit);
+ return hal_io_wait(core, STATUS_VALID, &limit);
}
/*
diff --git a/hal_io_i2c.c b/hal_io_i2c.c
index 1dbd041..3e8ac59 100644
--- a/hal_io_i2c.c
+++ b/hal_io_i2c.c
@@ -41,6 +41,7 @@
#include <stdint.h>
#include "hal.h"
+#include "verilog_constants.h"
#define I2C_dev "/dev/i2c-2"
#define I2C_addr 0x0f
diff --git a/hash.c b/hash.c
index 5729a5e..5316a2d 100644
--- a/hash.c
+++ b/hash.c
@@ -43,6 +43,7 @@
#include <sys/ioctl.h>
#include "hal.h"
+#include "verilog_constants.h"
/*
* HMAC magic numbers.
@@ -66,12 +67,8 @@
struct hal_hash_driver {
size_t length_length; /* Length of the length field */
- hal_addr_t block_addr; /* Where to write hash blocks */
- hal_addr_t ctrl_addr; /* Control register */
- hal_addr_t status_addr; /* Status register */
- hal_addr_t digest_addr; /* Where to read digest */
- hal_addr_t name_addr; /* Where to read core name */
- char core_name[8]; /* Expected name of core */
+ hal_addr_t block_addr; /* Where to write hash blocks */
+ hal_addr_t digest_addr; /* Where to read digest */
uint8_t ctrl_mode; /* Digest mode, for cores that have modes */
};
@@ -81,6 +78,7 @@ struct hal_hash_driver {
*/
struct hal_hash_state {
+ const hal_core_t *core;
const hal_hash_descriptor_t *descriptor;
const hal_hash_driver_t *driver;
uint64_t msg_length_high; /* Total data hashed in this message */
@@ -116,45 +114,27 @@ struct hal_hmac_state {
*/
static const hal_hash_driver_t sha1_driver = {
- SHA1_LENGTH_LEN,
- SHA1_ADDR_BLOCK, SHA1_ADDR_CTRL, SHA1_ADDR_STATUS, SHA1_ADDR_DIGEST,
- SHA1_ADDR_NAME0, (SHA1_NAME0 SHA1_NAME1),
- 0
+ SHA1_LENGTH_LEN, SHA1_ADDR_BLOCK, SHA1_ADDR_DIGEST, 0
};
static const hal_hash_driver_t sha256_driver = {
- SHA256_LENGTH_LEN,
- SHA256_ADDR_BLOCK, SHA256_ADDR_CTRL, SHA256_ADDR_STATUS, SHA256_ADDR_DIGEST,
- SHA256_ADDR_NAME0, (SHA256_NAME0 SHA256_NAME1),
- 0
+ SHA256_LENGTH_LEN, SHA256_ADDR_BLOCK, SHA256_ADDR_DIGEST, 0
};
static const hal_hash_driver_t sha512_224_driver = {
- SHA512_LENGTH_LEN,
- SHA512_ADDR_BLOCK, SHA512_ADDR_CTRL, SHA512_ADDR_STATUS, SHA512_ADDR_DIGEST,
- SHA512_ADDR_NAME0, (SHA512_NAME0 SHA512_NAME1),
- MODE_SHA_512_224
+ SHA512_LENGTH_LEN, SHA512_ADDR_BLOCK, SHA512_ADDR_DIGEST, MODE_SHA_512_224
};
static const hal_hash_driver_t sha512_256_driver = {
- SHA512_LENGTH_LEN,
- SHA512_ADDR_BLOCK, SHA512_ADDR_CTRL, SHA512_ADDR_STATUS, SHA512_ADDR_DIGEST,
- SHA512_ADDR_NAME0, (SHA512_NAME0 SHA512_NAME1),
- MODE_SHA_512_256
+ SHA512_LENGTH_LEN, SHA512_ADDR_BLOCK, SHA512_ADDR_DIGEST, MODE_SHA_512_256
};
static const hal_hash_driver_t sha384_driver = {
- SHA512_LENGTH_LEN,
- SHA512_ADDR_BLOCK, SHA512_ADDR_CTRL, SHA512_ADDR_STATUS, SHA512_ADDR_DIGEST,
- SHA512_ADDR_NAME0, (SHA512_NAME0 SHA512_NAME1),
- MODE_SHA_384
+ SHA512_LENGTH_LEN, SHA512_ADDR_BLOCK, SHA512_ADDR_DIGEST, MODE_SHA_384
};
static const hal_hash_driver_t sha512_driver = {
- SHA512_LENGTH_LEN,
- SHA512_ADDR_BLOCK, SHA512_ADDR_CTRL, SHA512_ADDR_STATUS, SHA512_ADDR_DIGEST,
- SHA512_ADDR_NAME0, (SHA512_NAME0 SHA512_NAME1),
- MODE_SHA_512
+ SHA512_LENGTH_LEN, SHA512_ADDR_BLOCK, SHA512_ADDR_DIGEST, MODE_SHA_512
};
/*
@@ -190,42 +170,42 @@ const hal_hash_descriptor_t hal_hash_sha1[1] = {{
SHA1_BLOCK_LEN, SHA1_DIGEST_LEN,
sizeof(hal_hash_state_t), sizeof(hal_hmac_state_t),
dalgid_sha1, sizeof(dalgid_sha1),
- &sha1_driver, 0
+ &sha1_driver, SHA1_NAME, 0
}};
const hal_hash_descriptor_t hal_hash_sha256[1] = {{
SHA256_BLOCK_LEN, SHA256_DIGEST_LEN,
sizeof(hal_hash_state_t), sizeof(hal_hmac_state_t),
dalgid_sha256, sizeof(dalgid_sha256),
- &sha256_driver, 1
+ &sha256_driver, SHA256_NAME, 1
}};
const hal_hash_descriptor_t hal_hash_sha512_224[1] = {{
SHA512_BLOCK_LEN, SHA512_224_DIGEST_LEN,
sizeof(hal_hash_state_t), sizeof(hal_hmac_state_t),
dalgid_sha512_224, sizeof(dalgid_sha512_224),
- &sha512_224_driver, 0
+ &sha512_224_driver, SHA512_NAME, 0
}};
const hal_hash_descriptor_t hal_hash_sha512_256[1] = {{
SHA512_BLOCK_LEN, SHA512_256_DIGEST_LEN,
sizeof(hal_hash_state_t), sizeof(hal_hmac_state_t),
dalgid_sha512_256, sizeof(dalgid_sha512_256),
- &sha512_256_driver, 0
+ &sha512_256_driver, SHA512_NAME, 0
}};
const hal_hash_descriptor_t hal_hash_sha384[1] = {{
SHA512_BLOCK_LEN, SHA384_DIGEST_LEN,
sizeof(hal_hash_state_t), sizeof(hal_hmac_state_t),
dalgid_sha384, sizeof(dalgid_sha384),
- &sha384_driver, 0
+ &sha384_driver, SHA512_NAME, 0
}};
const hal_hash_descriptor_t hal_hash_sha512[1] = {{
SHA512_BLOCK_LEN, SHA512_DIGEST_LEN,
sizeof(hal_hash_state_t), sizeof(hal_hmac_state_t),
dalgid_sha512, sizeof(dalgid_sha512),
- &sha512_driver, 0
+ &sha512_driver, SHA512_NAME, 0
}};
/*
@@ -253,31 +233,29 @@ static const hal_hash_driver_t *check_driver(const hal_hash_descriptor_t * const
}
/*
- * Report whether cores are present.
+ * Internal utility to check core against descriptor, including
+ * attempting to locate an appropriate core if we weren't given one.
*/
-hal_error_t hal_hash_core_present(const hal_hash_descriptor_t * const descriptor)
+static hal_error_t check_core(const hal_core_t **core,
+ const hal_hash_descriptor_t * const descriptor)
{
- const hal_hash_driver_t * const driver = check_driver(descriptor);
-
- if (driver == NULL)
- return HAL_ERROR_BAD_ARGUMENTS;
-
- return hal_io_expected(driver->name_addr,
- (const uint8_t *) driver->core_name,
- sizeof(driver->core_name));
+ assert(descriptor != NULL && descriptor->driver != NULL);
+ return hal_core_check_name(core, descriptor->core_name);
}
/*
* Initialize hash state.
*/
-hal_error_t hal_hash_initialize(const hal_hash_descriptor_t * const descriptor,
+hal_error_t hal_hash_initialize(const hal_core_t *core,
+ const hal_hash_descriptor_t * const descriptor,
hal_hash_state_t **state_,
void *state_buffer, const size_t state_length)
{
const hal_hash_driver_t * const driver = check_driver(descriptor);
hal_hash_state_t *state = state_buffer;
+ hal_error_t err;
if (driver == NULL || state_ == NULL)
return HAL_ERROR_BAD_ARGUMENTS;
@@ -285,12 +263,16 @@ hal_error_t hal_hash_initialize(const hal_hash_descriptor_t * const descriptor,
if (state_buffer != NULL && state_length < descriptor->hash_state_length)
return HAL_ERROR_BAD_ARGUMENTS;
+ if ((err = check_core(&core, descriptor)) != HAL_OK)
+ return err;
+
if (state_buffer == NULL && (state = malloc(descriptor->hash_state_length)) == NULL)
return HAL_ERROR_ALLOCATION_FAILURE;
memset(state, 0, sizeof(*state));
state->descriptor = descriptor;
state->driver = driver;
+ state->core = core;
if (state_buffer == NULL)
state->flags |= STATE_FLAG_STATE_ALLOCATED;
@@ -324,7 +306,8 @@ void hal_hash_cleanup(hal_hash_state_t **state_)
* read current hash state from core.
*/
-static hal_error_t hash_read_digest(const hal_hash_driver_t * const driver,
+static hal_error_t hash_read_digest(const hal_core_t *core,
+ const hal_hash_driver_t * const driver,
uint8_t *digest,
const size_t digest_length)
{
@@ -332,17 +315,18 @@ static hal_error_t hash_read_digest(const hal_hash_driver_t * const driver,
assert(digest != NULL && digest_length % 4 == 0);
- if ((err = hal_io_wait_valid(driver->status_addr)) != HAL_OK)
+ if ((err = hal_io_wait_valid(core)) != HAL_OK)
return err;
- return hal_io_read(driver->digest_addr, digest, digest_length);
+ return hal_io_read(core, driver->digest_addr, digest, digest_length);
}
/*
* Write hash state back to core.
*/
-static hal_error_t hash_write_digest(const hal_hash_driver_t * const driver,
+static hal_error_t hash_write_digest(const hal_core_t *core,
+ const hal_hash_driver_t * const driver,
const uint8_t * const digest,
const size_t digest_length)
{
@@ -350,10 +334,10 @@ static hal_error_t hash_write_digest(const hal_hash_driver_t * const driver,
assert(digest != NULL && digest_length % 4 == 0);
- if ((err = hal_io_wait_ready(driver->status_addr)) != HAL_OK)
+ if ((err = hal_io_wait_ready(core)) != HAL_OK)
return err;
- return hal_io_write(driver->digest_addr, digest, digest_length);
+ return hal_io_write(core, driver->digest_addr, digest, digest_length);
}
/*
@@ -374,16 +358,16 @@ static hal_error_t hash_write_block(hal_hash_state_t * const state)
if (debug)
fprintf(stderr, "[ %s ]\n", state->block_count == 0 ? "init" : "next");
- if ((err = hal_io_wait_ready(state->driver->status_addr)) != HAL_OK)
+ if ((err = hal_io_wait_ready(state->core)) != HAL_OK)
return err;
if (state->descriptor->can_restore_state &&
state->block_count != 0 &&
- (err = hash_write_digest(state->driver, state->core_state,
+ (err = hash_write_digest(state->core, state->driver, state->core_state,
state->descriptor->digest_length)) != HAL_OK)
return err;
- if ((err = hal_io_write(state->driver->block_addr, state->block,
+ if ((err = hal_io_write(state->core, state->driver->block_addr, state->block,
state->descriptor->block_length)) != HAL_OK)
return err;
@@ -391,15 +375,15 @@ static hal_error_t hash_write_block(hal_hash_state_t * const state)
ctrl_cmd[3] = state->block_count == 0 ? CTRL_INIT : CTRL_NEXT;
ctrl_cmd[3] |= state->driver->ctrl_mode;
- if ((err = hal_io_write(state->driver->ctrl_addr, ctrl_cmd, sizeof(ctrl_cmd))) != HAL_OK)
+ if ((err = hal_io_write(state->core, ADDR_CTRL, ctrl_cmd, sizeof(ctrl_cmd))) != HAL_OK)
return err;
if (state->descriptor->can_restore_state &&
- (err = hash_read_digest(state->driver, state->core_state,
+ (err = hash_read_digest(state->core, state->driver, state->core_state,
state->descriptor->digest_length)) != HAL_OK)
return err;
- return hal_io_wait_valid(state->driver->status_addr);
+ return hal_io_wait_valid(state->core);
}
/*
@@ -530,7 +514,7 @@ hal_error_t hal_hash_finalize(hal_hash_state_t *state, /* Opaque sta
state->block_count++;
/* All data pushed to core, now we just need to read back the result */
- if ((err = hash_read_digest(state->driver, digest_buffer, state->descriptor->digest_length)) != HAL_OK)
+ if ((err = hash_read_digest(state->core, state->driver, digest_buffer, state->descriptor->digest_length)) != HAL_OK)
return err;
return HAL_OK;
@@ -540,7 +524,8 @@ hal_error_t hal_hash_finalize(hal_hash_state_t *state, /* Opaque sta
* Initialize HMAC state.
*/
-hal_error_t hal_hmac_initialize(const hal_hash_descriptor_t * const descriptor,
+hal_error_t hal_hmac_initialize(const hal_core_t *core,
+ const hal_hash_descriptor_t * const descriptor,
hal_hmac_state_t **state_,
void *state_buffer, const size_t state_length,
const uint8_t * const key, const size_t key_length)
@@ -556,6 +541,9 @@ hal_error_t hal_hmac_initialize(const hal_hash_descriptor_t * const descriptor,
if (state_buffer != NULL && state_length < descriptor->hmac_state_length)
return HAL_ERROR_BAD_ARGUMENTS;
+ if ((err = check_core(&core, descriptor)) != HAL_OK)
+ return err;
+
if (state_buffer == NULL && (state = malloc(descriptor->hmac_state_length)) == NULL)
return HAL_ERROR_ALLOCATION_FAILURE;
@@ -573,7 +561,7 @@ hal_error_t hal_hmac_initialize(const hal_hash_descriptor_t * const descriptor,
return HAL_ERROR_UNSUPPORTED_KEY;
#endif
- if ((err = hal_hash_initialize(descriptor, &h, &state->hash_state,
+ if ((err = hal_hash_initialize(core, descriptor, &h, &state->hash_state,
sizeof(state->hash_state))) != HAL_OK)
goto fail;
@@ -593,7 +581,7 @@ hal_error_t hal_hmac_initialize(const hal_hash_descriptor_t * const descriptor,
else if ((err = hal_hash_update(h, key, key_length)) != HAL_OK ||
(err = hal_hash_finalize(h, state->keybuf, sizeof(state->keybuf))) != HAL_OK ||
- (err = hal_hash_initialize(descriptor, &h, &state->hash_state,
+ (err = hal_hash_initialize(core, descriptor, &h, &state->hash_state,
sizeof(state->hash_state))) != HAL_OK)
goto fail;
@@ -693,7 +681,7 @@ hal_error_t hal_hmac_finalize(hal_hmac_state_t *state,
*/
if ((err = hal_hash_finalize(h, d, sizeof(d))) != HAL_OK ||
- (err = hal_hash_initialize(descriptor, &h, &state->hash_state,
+ (err = hal_hash_initialize(h->core, descriptor, &h, &state->hash_state,
sizeof(state->hash_state))) != HAL_OK ||
(err = hal_hash_update(h, state->keybuf, descriptor->block_length)) != HAL_OK ||
(err = hal_hash_update(h, d, descriptor->digest_length)) != HAL_OK ||
diff --git a/modexp.c b/modexp.c
index b82f1ff..f008064 100644
--- a/modexp.c
+++ b/modexp.c
@@ -46,6 +46,7 @@
#include <assert.h>
#include "hal.h"
+#include "verilog_constants.h"
/*
* Whether we want debug output.
@@ -76,7 +77,8 @@ void hal_modexp_set_debug(const int onoff)
* Set an ordinary register.
*/
-static hal_error_t set_register(const hal_addr_t addr,
+static hal_error_t set_register(const hal_core_t *core,
+ const hal_addr_t addr,
uint32_t value)
{
uint8_t w[4];
@@ -87,7 +89,7 @@ static hal_error_t set_register(const hal_addr_t addr,
value >>= 8;
}
- return hal_io_write(addr, w, sizeof(w));
+ return hal_io_write(core, addr, w, sizeof(w));
}
/*
@@ -96,7 +98,8 @@ static hal_error_t set_register(const hal_addr_t addr,
* expects.
*/
-static hal_error_t get_buffer(const hal_addr_t data_addr,
+static hal_error_t get_buffer(const hal_core_t *core,
+ const hal_addr_t data_addr,
uint8_t *value,
const size_t length)
{
@@ -105,7 +108,7 @@ static hal_error_t get_buffer(const hal_addr_t data_addr,
assert(value != NULL && length % 4 == 0);
for (i = 0; i < length; i += 4)
- check(hal_io_read(data_addr + i/4, &value[length - 4 - i], 4));
+ check(hal_io_read(core, data_addr + i/4, &value[length - 4 - i], 4));
return HAL_OK;
}
@@ -116,7 +119,8 @@ static hal_error_t get_buffer(const hal_addr_t data_addr,
* expects.
*/
-static hal_error_t set_buffer(const hal_addr_t data_addr,
+static hal_error_t set_buffer(const hal_core_t *core,
+ const hal_addr_t data_addr,
const uint8_t * const value,
const size_t length)
{
@@ -125,7 +129,7 @@ static hal_error_t set_buffer(const hal_addr_t data_addr,
assert(value != NULL && length % 4 == 0);
for (i = 0; i < length; i += 4)
- check(hal_io_write(data_addr + i/4, &value[length - 4 - i], 4));
+ check(hal_io_write(core, data_addr + i/4, &value[length - 4 - i], 4));
return HAL_OK;
}
@@ -134,7 +138,8 @@ static hal_error_t set_buffer(const hal_addr_t data_addr,
* Run one modexp operation.
*/
-hal_error_t hal_modexp(const uint8_t * const msg, const size_t msg_len, /* Message */
+hal_error_t hal_modexp(const hal_core_t *core,
+ const uint8_t * const msg, const size_t msg_len, /* Message */
const uint8_t * const exp, const size_t exp_len, /* Exponent */
const uint8_t * const mod, const size_t mod_len, /* Modulus */
uint8_t *result, const size_t result_len)
@@ -171,37 +176,37 @@ hal_error_t hal_modexp(const uint8_t * const msg, const size_t msg_len, /* Messa
*/
/* Select mode (1 = fast, 0 = safe) */
- check(set_register(MODEXPS6_ADDR_MODE, (exp_len <= 4)));
+ check(set_register(core, MODEXPS6_ADDR_MODE, (exp_len <= 4)));
/* Set modulus size in bits */
- check(set_register(MODEXPS6_ADDR_MODULUS_WIDTH, mod_len * 8));
+ check(set_register(core, MODEXPS6_ADDR_MODULUS_WIDTH, mod_len * 8));
/* Write new modulus */
- check(set_buffer(MODEXPS6_ADDR_MODULUS, mod, mod_len));
+ check(set_buffer(core, MODEXPS6_ADDR_MODULUS, mod, mod_len));
/* Pre-calcuate speed-up coefficient */
- check(hal_io_init(MODEXPS6_ADDR_CTRL));
+ check(hal_io_init(core));
/* Wait for calculation to complete */
- check(hal_io_wait_ready(MODEXPS6_ADDR_STATUS));
+ check(hal_io_wait_ready(core));
/* Write new message */
- check(set_buffer(MODEXPS6_ADDR_MESSAGE, msg, msg_len));
+ check(set_buffer(core, MODEXPS6_ADDR_MESSAGE, msg, msg_len));
/* Set new exponent length in bits */
- check(set_register(MODEXPS6_ADDR_EXPONENT_WIDTH, exp_len * 8));
+ check(set_register(core, MODEXPS6_ADDR_EXPONENT_WIDTH, exp_len * 8));
/* Set new exponent */
- check(set_buffer(MODEXPS6_ADDR_EXPONENT, exp, exp_len));
+ check(set_buffer(core, MODEXPS6_ADDR_EXPONENT, exp, exp_len));
/* Start calculation */
- check(hal_io_next(MODEXPS6_ADDR_CTRL));
+ check(hal_io_next(core));
/* Wait for result */
- check(hal_io_wait_valid(MODEXPS6_ADDR_STATUS));
+ check(hal_io_wait_valid(core));
/* Extract result */
- check(get_buffer(MODEXPS6_ADDR_RESULT, result, mod_len));
+ check(get_buffer(core, MODEXPS6_ADDR_RESULT, result, mod_len));
return HAL_OK;
}
diff --git a/pbkdf2.c b/pbkdf2.c
index 4ad1e3a..def5067 100644
--- a/pbkdf2.c
+++ b/pbkdf2.c
@@ -43,13 +43,15 @@
#include <sys/ioctl.h>
#include "hal.h"
+#include "verilog_constants.h"
/*
* Utility to encapsulate the HMAC operations. May need refactoring
* if and when we get clever about reusing HMAC state for speed.
*/
-static hal_error_t do_hmac(const hal_hash_descriptor_t * const d,
+static hal_error_t do_hmac(const hal_core_t *core,
+ const hal_hash_descriptor_t * const d,
const uint8_t * const pw, const size_t pw_len,
const uint8_t * const data, const size_t data_len,
const uint32_t block,
@@ -61,7 +63,7 @@ static hal_error_t do_hmac(const hal_hash_descriptor_t * const d,
hal_hmac_state_t *s;
hal_error_t err;
- if ((err = hal_hmac_initialize(d, &s, sb, sizeof(sb), pw, pw_len)) != HAL_OK)
+ if ((err = hal_hmac_initialize(core, d, &s, sb, sizeof(sb), pw, pw_len)) != HAL_OK)
return err;
if ((err = hal_hmac_update(s, data, data_len)) != HAL_OK)
@@ -80,7 +82,8 @@ static hal_error_t do_hmac(const hal_hash_descriptor_t * const d,
* Derive a key from a passphrase using the PBKDF2 algorithm.
*/
-hal_error_t hal_pbkdf2(const hal_hash_descriptor_t * const descriptor,
+hal_error_t hal_pbkdf2(const hal_core_t *core,
+ const hal_hash_descriptor_t * const descriptor,
const uint8_t * const password, const size_t password_length,
const uint8_t * const salt, const size_t salt_length,
uint8_t * derived_key, size_t derived_key_length,
@@ -129,8 +132,8 @@ hal_error_t hal_pbkdf2(const hal_hash_descriptor_t * const descriptor,
* This seeds the result, and constitutes iteration one.
*/
- if ((err = do_hmac(descriptor, password, password_length, salt, salt_length,
- block, mac, sizeof(mac))) != HAL_OK)
+ if ((err = do_hmac(core, descriptor, password, password_length,
+ salt, salt_length, block, mac, sizeof(mac))) != HAL_OK)
return err;
memcpy(result, mac, descriptor->digest_length);
@@ -142,7 +145,7 @@ hal_error_t hal_pbkdf2(const hal_hash_descriptor_t * const descriptor,
for (iteration = 2; iteration <= iterations_desired; iteration++) {
- if ((err = do_hmac(descriptor, password, password_length,
+ if ((err = do_hmac(core, descriptor, password, password_length,
mac, descriptor->digest_length,
0, mac, sizeof(mac))) != HAL_OK)
return err;
diff --git a/rsa.c b/rsa.c
index 2483509..4ee9930 100644
--- a/rsa.c
+++ b/rsa.c
@@ -71,6 +71,7 @@
#include <assert.h>
#include "hal.h"
+#include "verilog_constants.h"
#include <tfm.h>
#include "asn1_internal.h"
@@ -182,13 +183,17 @@ static hal_error_t unpack_fp(const fp_int * const bn, uint8_t *buffer, const siz
* wrap result back up as a bignum.
*/
-static hal_error_t modexp(const fp_int * msg,
+static hal_error_t modexp(const hal_core_t *core,
+ const fp_int * msg,
const fp_int * const exp,
const fp_int * const mod,
fp_int *res)
{
hal_error_t err = HAL_OK;
+ if ((err = hal_core_check_name(&core, MODEXPS6_NAME)) != HAL_OK)
+ return err;
+
assert(msg != NULL && exp != NULL && mod != NULL && res != NULL);
fp_int reduced_msg[1] = INIT_FP_INT;
@@ -210,7 +215,8 @@ static hal_error_t modexp(const fp_int * msg,
if ((err = unpack_fp(msg, msgbuf, sizeof(msgbuf))) != HAL_OK ||
(err = unpack_fp(exp, expbuf, sizeof(expbuf))) != HAL_OK ||
(err = unpack_fp(mod, modbuf, sizeof(modbuf))) != HAL_OK ||
- (err = hal_modexp(msgbuf, sizeof(msgbuf),
+ (err = hal_modexp(core,
+ msgbuf, sizeof(msgbuf),
expbuf, sizeof(expbuf),
modbuf, sizeof(modbuf),
resbuf, sizeof(resbuf))) != HAL_OK)
@@ -237,7 +243,7 @@ static hal_error_t modexp(const fp_int * msg,
int fp_exptmod(fp_int *a, fp_int *b, fp_int *c, fp_int *d)
{
- return modexp(a, b, c, d) == HAL_OK ? FP_OKAY : FP_VAL;
+ return modexp(NULL, a, b, c, d) == HAL_OK ? FP_OKAY : FP_VAL;
}
#else /* HAL_RSA_USE_MODEXP */
@@ -267,21 +273,21 @@ static hal_error_t modexp(const fp_int * const msg,
* try. Come back to this if it looks like a bottleneck.
*/
-static hal_error_t create_blinding_factors(const hal_rsa_key_t * const key, fp_int *bf, fp_int *ubf)
+static hal_error_t create_blinding_factors(const hal_core_t *core, const hal_rsa_key_t * const key, fp_int *bf, fp_int *ubf)
{
assert(key != NULL && bf != NULL && ubf != NULL);
uint8_t rnd[fp_unsigned_bin_size(unconst_fp_int(key->n))];
hal_error_t err = HAL_OK;
- if ((err = hal_get_random(rnd, sizeof(rnd))) != HAL_OK)
+ if ((err = hal_get_random(NULL, rnd, sizeof(rnd))) != HAL_OK)
goto fail;
fp_init(bf);
fp_read_unsigned_bin(bf, rnd, sizeof(rnd));
fp_copy(bf, ubf);
- if ((err = modexp(bf, key->e, key->n, bf)) != HAL_OK)
+ if ((err = modexp(core, bf, key->e, key->n, bf)) != HAL_OK)
goto fail;
FP_CHECK(fp_invmod(ubf, unconst_fp_int(key->n), ubf));
@@ -295,7 +301,7 @@ static hal_error_t create_blinding_factors(const hal_rsa_key_t * const key, fp_i
* RSA decryption via Chinese Remainder Theorem (Garner's formula).
*/
-static hal_error_t rsa_crt(const hal_rsa_key_t * const key, fp_int *msg, fp_int *sig)
+static hal_error_t rsa_crt(const hal_core_t *core, const hal_rsa_key_t * const key, fp_int *msg, fp_int *sig)
{
assert(key != NULL && msg != NULL && sig != NULL);
@@ -310,7 +316,7 @@ static hal_error_t rsa_crt(const hal_rsa_key_t * const key, fp_int *msg, fp_int
* Handle blinding if requested.
*/
if (blinding) {
- if ((err = create_blinding_factors(key, bf, ubf)) != HAL_OK)
+ if ((err = create_blinding_factors(core, key, bf, ubf)) != HAL_OK)
goto fail;
FP_CHECK(fp_mulmod(msg, bf, unconst_fp_int(key->n), msg));
}
@@ -319,8 +325,8 @@ static hal_error_t rsa_crt(const hal_rsa_key_t * const key, fp_int *msg, fp_int
* m1 = msg ** dP mod p
* m2 = msg ** dQ mod q
*/
- if ((err = modexp(msg, key->dP, key->p, m1)) != HAL_OK ||
- (err = modexp(msg, key->dQ, key->q, m2)) != HAL_OK)
+ if ((err = modexp(core, msg, key->dP, key->p, m1)) != HAL_OK ||
+ (err = modexp(core, msg, key->dQ, key->q, m2)) != HAL_OK)
goto fail;
/*
@@ -366,7 +372,8 @@ static hal_error_t rsa_crt(const hal_rsa_key_t * const key, fp_int *msg, fp_int
* to the caller.
*/
-hal_error_t hal_rsa_encrypt(const hal_rsa_key_t * const key,
+hal_error_t hal_rsa_encrypt(const hal_core_t *core,
+ const hal_rsa_key_t * const key,
const uint8_t * const input, const size_t input_len,
uint8_t * output, const size_t output_len)
{
@@ -380,7 +387,7 @@ hal_error_t hal_rsa_encrypt(const hal_rsa_key_t * const key,
fp_read_unsigned_bin(i, unconst_uint8_t(input), input_len);
- if ((err = modexp(i, key->e, key->n, o)) != HAL_OK ||
+ if ((err = modexp(core, i, key->e, key->n, o)) != HAL_OK ||
(err = unpack_fp(o, output, output_len)) != HAL_OK)
goto fail;
@@ -390,7 +397,8 @@ hal_error_t hal_rsa_encrypt(const hal_rsa_key_t * const key,
return err;
}
-hal_error_t hal_rsa_decrypt(const hal_rsa_key_t * const key,
+hal_error_t hal_rsa_decrypt(const hal_core_t *core,
+ const hal_rsa_key_t * const key,
const uint8_t * const input, const size_t input_len,
uint8_t * output, const size_t output_len)
{
@@ -410,9 +418,9 @@ hal_error_t hal_rsa_decrypt(const hal_rsa_key_t * const key,
*/
if (fp_iszero(key->p) || fp_iszero(key->q) || fp_iszero(key->u) || fp_iszero(key->dP) || fp_iszero(key->dQ))
- err = modexp(i, key->d, key->n, o);
+ err = modexp(core, i, key->d, key->n, o);
else
- err = rsa_crt(key, i, o);
+ err = rsa_crt(core, key, i, o);
if (err != HAL_OK || (err = unpack_fp(o, output, output_len)) != HAL_OK)
goto fail;
@@ -583,7 +591,7 @@ static hal_error_t find_prime(const unsigned prime_length,
fp_int t[1] = INIT_FP_INT;
do {
- if ((err = hal_get_random(buffer, sizeof(buffer))) != HAL_OK)
+ if ((err = hal_get_random(NULL, buffer, sizeof(buffer))) != HAL_OK)
return err;
buffer[0 ] |= 0xc0;
buffer[sizeof(buffer) - 1] |= 0x01;
@@ -600,7 +608,8 @@ static hal_error_t find_prime(const unsigned prime_length,
* Generate a new RSA keypair.
*/
-hal_error_t hal_rsa_key_gen(hal_rsa_key_t **key_,
+hal_error_t hal_rsa_key_gen(const hal_core_t *core,
+ hal_rsa_key_t **key_,
void *keybuf, const size_t keybuf_len,
const unsigned key_length,
const uint8_t * const public_exponent, const size_t public_exponent_len)
diff --git a/tests/test-aes-key-wrap.c b/tests/test-aes-key-wrap.c
index f8467ec..3e9b10d 100644
--- a/tests/test-aes-key-wrap.c
+++ b/tests/test-aes-key-wrap.c
@@ -108,7 +108,8 @@ static const char *format_hex(const uint8_t *bin, const size_t len, char *hex, c
return hex;
}
-static int run_test(const uint8_t * const K, const size_t K_len,
+static int run_test(const hal_core_t *core,
+ const uint8_t * const K, const size_t K_len,
const uint8_t * const C, const size_t C_len)
{
const size_t Q_len = sizeof(Q);
@@ -123,7 +124,7 @@ static int run_test(const uint8_t * const K, const size_t K_len,
*/
printf("Wrapping with %lu-bit KEK...\n", (unsigned long) K_len * 8);
- if ((err = hal_aes_keywrap(K, K_len, Q, Q_len, c, &c_len)) != HAL_OK) {
+ if ((err = hal_aes_keywrap(core, K, K_len, Q, Q_len, c, &c_len)) != HAL_OK) {
printf("Couldn't wrap with %lu-bit KEK: %s\n",
(unsigned long) K_len * 8, hal_error_string(err));
ok1 = 0;
@@ -143,7 +144,7 @@ static int run_test(const uint8_t * const K, const size_t K_len,
*/
printf("Unwrapping with %lu-bit KEK...\n", (unsigned long) K_len * 8);
- if ((err = hal_aes_keyunwrap(K, K_len, C, C_len, q, &q_len)) != HAL_OK) {
+ if ((err = hal_aes_keyunwrap(core, K, K_len, C, C_len, q, &q_len)) != HAL_OK) {
printf("Couldn't unwrap with %lu-bit KEK: %s\n",
(unsigned long) K_len * 8, hal_error_string(err));
ok2 = 0;
@@ -166,15 +167,18 @@ int main (int argc, char *argv[])
int failures = 0;
printf("Testing whether AES core reports present...");
- if (hal_io_expected(AES_ADDR_NAME0, (const uint8_t *) (AES_CORE_NAME0 AES_CORE_NAME1), 8) != HAL_OK) {
+
+ const hal_core_t *core = hal_core_find(AES_CORE_NAME, NULL);
+
+ if (core == NULL) {
printf("no, skipping keywrap tests\n");
}
else {
printf("yes\n");
- if (!run_test(K_128, sizeof(K_128), C_128, sizeof(C_128)))
+ if (!run_test(core, K_128, sizeof(K_128), C_128, sizeof(C_128)))
failures++;
- if (!run_test(K_256, sizeof(K_256), C_256, sizeof(C_256)))
+ if (!run_test(core, K_256, sizeof(K_256), C_256, sizeof(C_256)))
failures++;
}
diff --git a/tests/test-ecdsa.c b/tests/test-ecdsa.c
index 558120b..e940498 100644
--- a/tests/test-ecdsa.c
+++ b/tests/test-ecdsa.c
@@ -113,7 +113,7 @@ static int test_against_static_vectors(const ecdsa_tc_t * const tc)
uint8_t keybuf1[hal_ecdsa_key_t_size];
hal_ecdsa_key_t *key1 = NULL;
- if ((err = hal_ecdsa_key_gen(&key1, keybuf1, sizeof(keybuf1), tc->curve)) != HAL_OK)
+ if ((err = hal_ecdsa_key_gen(NULL, &key1, keybuf1, sizeof(keybuf1), tc->curve)) != HAL_OK)
return printf("hal_ecdsa_key_gen() failed: %s\n", hal_error_string(err)), 0;
uint8_t Qx[tc->Qx_len], Qy[tc->Qy_len];
@@ -151,13 +151,13 @@ static int test_against_static_vectors(const ecdsa_tc_t * const tc)
uint8_t sig[tc->sig_len + 4];
size_t sig_len;
- if ((err = hal_ecdsa_sign(key1, tc->H, tc->H_len, sig, &sig_len, sizeof(sig), HAL_ECDSA_SIGNATURE_FORMAT_ASN1)) != HAL_OK)
+ if ((err = hal_ecdsa_sign(NULL, key1, tc->H, tc->H_len, sig, &sig_len, sizeof(sig), HAL_ECDSA_SIGNATURE_FORMAT_ASN1)) != HAL_OK)
return printf("hal_ecdsa_sign() failed: %s\n", hal_error_string(err)), 0;
if (sig_len != tc->sig_len || memcmp(sig, tc->sig, tc->sig_len) != 0)
return printf("Signature mismatch\n"), 0;
- if ((err = hal_ecdsa_verify(key2, tc->H, tc->H_len, sig, sig_len, HAL_ECDSA_SIGNATURE_FORMAT_ASN1)) != HAL_OK)
+ if ((err = hal_ecdsa_verify(NULL, key2, tc->H, tc->H_len, sig, sig_len, HAL_ECDSA_SIGNATURE_FORMAT_ASN1)) != HAL_OK)
return printf("hal_ecdsa_verify(private) failed: %s\n", hal_error_string(err)), 0;
hal_ecdsa_key_clear(key2);
@@ -177,7 +177,7 @@ static int test_against_static_vectors(const ecdsa_tc_t * const tc)
tc->Qx, tc->Qx_len, tc->Qy, tc->Qy_len)) != HAL_OK)
return printf("hal_ecdsa_load_public() failed: %s\n", hal_error_string(err)), 0;
- if ((err = hal_ecdsa_verify(key2, tc->H, tc->H_len, sig, sig_len, HAL_ECDSA_SIGNATURE_FORMAT_ASN1)) != HAL_OK)
+ if ((err = hal_ecdsa_verify(NULL, key2, tc->H, tc->H_len, sig, sig_len, HAL_ECDSA_SIGNATURE_FORMAT_ASN1)) != HAL_OK)
return printf("hal_ecdsa_verify(public) failed: %s\n", hal_error_string(err)), 0;
uint8_t point[hal_ecdsa_key_to_ecpoint_len(key1)];
@@ -236,7 +236,7 @@ static int test_keygen_sign_verify(const hal_ecdsa_curve_t curve)
printf("Generating key\n");
- if ((err = hal_ecdsa_key_gen(&key, keybuf, sizeof(keybuf), curve)) != HAL_OK)
+ if ((err = hal_ecdsa_key_gen(NULL, &key, keybuf, sizeof(keybuf), curve)) != HAL_OK)
return printf("hal_ecdsa_key_gen() failed: %s\n", hal_error_string(err)), 0;
printf("Generating digest\n");
@@ -248,7 +248,7 @@ static int test_keygen_sign_verify(const hal_ecdsa_curve_t curve)
uint8_t statebuf[hash_descriptor->hash_state_length];
hal_hash_state_t *state = NULL;
- if ((err = hal_hash_initialize(hash_descriptor, &state, statebuf, sizeof(statebuf))) != HAL_OK ||
+ if ((err = hal_hash_initialize(NULL, hash_descriptor, &state, statebuf, sizeof(statebuf))) != HAL_OK ||
(err = hal_hash_update(state, plaintext, strlen((const char *) plaintext))) != HAL_OK ||
(err = hal_hash_finalize(state, hashbuf, sizeof(hashbuf))) != HAL_OK)
return printf("Couldn't hash plaintext: %s\n", hal_error_string(err)), 0;
@@ -263,13 +263,13 @@ static int test_keygen_sign_verify(const hal_ecdsa_curve_t curve)
printf("Signing\n");
- if ((err = hal_ecdsa_sign(key, hashbuf, sizeof(hashbuf),
+ if ((err = hal_ecdsa_sign(NULL, key, hashbuf, sizeof(hashbuf),
sigbuf, &siglen, sizeof(sigbuf), HAL_ECDSA_SIGNATURE_FORMAT_ASN1)) != HAL_OK)
return printf("hal_ecdsa_sign() failed: %s\n", hal_error_string(err)), 0;
printf("Verifying\n");
- if ((err = hal_ecdsa_verify(key, hashbuf, sizeof(hashbuf),
+ if ((err = hal_ecdsa_verify(NULL, key, hashbuf, sizeof(hashbuf),
sigbuf, siglen, HAL_ECDSA_SIGNATURE_FORMAT_ASN1)) != HAL_OK)
return printf("hal_ecdsa_verify() failed: %s\n", hal_error_string(err)), 0;
@@ -306,22 +306,24 @@ static void _time_check(const struct timeval t0, const int ok)
} while (0)
-int main(int argc, char *argv[])
+static void show_core(const hal_core_t *core, const char *whinge)
{
- uint8_t name[8], version[4];
- hal_error_t err;
-
- /*
- * Initialize EIM and report what core we're running.
- */
+ const hal_core_info_t *core_info = hal_core_info(core);
+ if (core_info != NULL)
+ printf("\"%8.8s\" \"%4.4s\"\n", core_info->name, core_info->version);
+ else if (whinge != NULL)
+ printf("%s core not present\n", whinge);
+}
- if ((err = hal_io_read(CSPRNG_ADDR_NAME0, name, sizeof(name))) != HAL_OK ||
- (err = hal_io_read(CSPRNG_ADDR_VERSION, version, sizeof(version))) != HAL_OK) {
- printf("Initialization failed: %s\n", hal_error_string(err));
- return 1;
- }
+int main(int argc, char *argv[])
+{
+ const hal_core_t *sha256_core = hal_core_find(SHA256_NAME, NULL);
+ const hal_core_t *sha512_core = hal_core_find(SHA512_NAME, NULL);
+ const hal_core_t *csprng_core = hal_core_find(CSPRNG_NAME, NULL);
- printf("\"%8.8s\" \"%4.4s\"\n\n", name, version);
+ show_core(sha256_core, "sha-256");
+ show_core(sha512_core, "sha-512");
+ show_core(csprng_core, "csprng");
int ok = 1;
@@ -334,9 +336,15 @@ int main(int argc, char *argv[])
/*
* Generate/sign/verify test for each curve.
*/
- time_check(test_keygen_sign_verify(HAL_ECDSA_CURVE_P256));
- time_check(test_keygen_sign_verify(HAL_ECDSA_CURVE_P384));
- time_check(test_keygen_sign_verify(HAL_ECDSA_CURVE_P521));
+
+ if (csprng_core != NULL && sha256_core != NULL) {
+ time_check(test_keygen_sign_verify(HAL_ECDSA_CURVE_P256));
+ }
+
+ if (csprng_core != NULL && sha512_core != NULL) {
+ time_check(test_keygen_sign_verify(HAL_ECDSA_CURVE_P384));
+ time_check(test_keygen_sign_verify(HAL_ECDSA_CURVE_P521));
+ }
return !ok;
}
diff --git a/tests/test-hash.c b/tests/test-hash.c
index 144b1b9..b6001e0 100644
--- a/tests/test-hash.c
+++ b/tests/test-hash.c
@@ -542,23 +542,14 @@ static int _test_hash(const hal_hash_descriptor_t * const descriptor,
printf("Starting %s test\n", label);
- err = hal_hash_core_present(descriptor);
+ const hal_core_t *core = hal_core_find(descriptor->core_name, NULL);
- switch (err) {
-
- case HAL_OK:
- break;
-
- case HAL_ERROR_IO_UNEXPECTED:
- printf("Core not present, skipping test\n");
+ if (core == NULL) {
+ printf("Core not found, skipping test\n");
return 1;
-
- default:
- printf("Failed while checking for core: %s\n", hal_error_string(err));
- return 0;
}
- if ((err = hal_hash_initialize(descriptor, &state, statebuf, sizeof(statebuf))) != HAL_OK) {
+ if ((err = hal_hash_initialize(core, descriptor, &state, statebuf, sizeof(statebuf))) != HAL_OK) {
printf("Failed while initializing hash: %s\n", hal_error_string(err));
return 0;
}
@@ -606,23 +597,14 @@ static int _test_hmac(const hal_hash_descriptor_t * const descriptor,
printf("Starting %s test\n", label);
- err = hal_hash_core_present(descriptor);
+ const hal_core_t *core = hal_core_find(descriptor->core_name, NULL);
- switch (err) {
-
- case HAL_OK:
- break;
-
- case HAL_ERROR_IO_UNEXPECTED:
- printf("Core not present, skipping test\n");
+ if (core == NULL) {
+ printf("Core not found, skipping test\n");
return 1;
-
- default:
- printf("Failed while checking for core: %s\n", hal_error_string(err));
- return 0;
}
- if ((err = hal_hmac_initialize(descriptor, &state, statebuf, sizeof(statebuf), key, key_len)) != HAL_OK) {
+ if ((err = hal_hmac_initialize(core, descriptor, &state, statebuf, sizeof(statebuf), key, key_len)) != HAL_OK) {
printf("Failed while initializing HMAC: %s\n", hal_error_string(err));
return 0;
}
diff --git a/tests/test-pbkdf2.c b/tests/test-pbkdf2.c
index 0688226..744ca47 100644
--- a/tests/test-pbkdf2.c
+++ b/tests/test-pbkdf2.c
@@ -158,7 +158,8 @@ static void print_hex(const uint8_t * const val, const size_t len)
printf(" %02x", val[i]);
}
-static int _test_pbkdf2(const uint8_t * const pwd, const size_t pwd_len,
+static int _test_pbkdf2(const hal_core_t *core,
+ const uint8_t * const pwd, const size_t pwd_len,
const uint8_t * const salt, const size_t salt_len,
const uint8_t * const dk, const size_t dk_len,
const unsigned count, const char * const label)
@@ -167,7 +168,7 @@ static int _test_pbkdf2(const uint8_t * const pwd, const size_t pwd_len,
uint8_t result[dk_len];
- hal_error_t err = hal_pbkdf2(hal_hash_sha1, pwd, pwd_len, salt, salt_len,
+ hal_error_t err = hal_pbkdf2(core, hal_hash_sha1, pwd, pwd_len, salt, salt_len,
result, dk_len, count);
if (err != HAL_OK) {
@@ -193,35 +194,27 @@ static int _test_pbkdf2(const uint8_t * const pwd, const size_t pwd_len,
}
#define test_pbkdf2(_n_) \
- _test_pbkdf2(pbkdf2_tc_##_n_##_password, sizeof(pbkdf2_tc_##_n_##_password), \
+ _test_pbkdf2(core, \
+ pbkdf2_tc_##_n_##_password, sizeof(pbkdf2_tc_##_n_##_password), \
pbkdf2_tc_##_n_##_salt, sizeof(pbkdf2_tc_##_n_##_salt), \
pbkdf2_tc_##_n_##_DK, sizeof(pbkdf2_tc_##_n_##_DK), \
pbkdf2_tc_##_n_##_count, #_n_)
int main (int argc, char *argv[])
{
- hal_error_t err = hal_hash_core_present(hal_hash_sha1);
+ const hal_core_t *core = hal_core_find(SHA1_NAME, NULL);
int ok = 1;
- switch (err) {
+ if (core == NULL)
+ printf("SHA-1 core not present, not testing PBKDF2\n");
- case HAL_OK:
+ else {
ok &= test_pbkdf2(1);
ok &= test_pbkdf2(2);
ok &= test_pbkdf2(3);
ok &= test_pbkdf2(4);
ok &= test_pbkdf2(5);
ok &= test_pbkdf2(6);
- break;
-
- case HAL_ERROR_IO_UNEXPECTED:
- printf("SHA-1 core not present, not testing PBKDF2\n");
- break;
-
- default:
- printf("Unexpected error while probing for hash core: %s\n", hal_error_string(err));
- ok = 0;
- break;
}
return !ok;
diff --git a/tests/test-rsa.c b/tests/test-rsa.c
index 46afa03..c6bf97a 100644
--- a/tests/test-rsa.c
+++ b/tests/test-rsa.c
@@ -55,7 +55,8 @@
* Run one modexp test.
*/
-static int test_modexp(const char * const kind,
+static int test_modexp(const hal_core_t *core,
+ const char * const kind,
const rsa_tc_t * const tc,
const rsa_tc_bn_t * const msg, /* Input message */
const rsa_tc_bn_t * const exp, /* Exponent */
@@ -65,7 +66,7 @@ static int test_modexp(const char * const kind,
printf("%s test for %lu-bit RSA key\n", kind, (unsigned long) tc->size);
- if (hal_modexp(msg->val, msg->len, exp->val, exp->len,
+ if (hal_modexp(core, msg->val, msg->len, exp->val, exp->len,
tc->n.val, tc->n.len, result, sizeof(result)) != HAL_OK) {
printf("ModExp failed\n");
return 0;
@@ -83,7 +84,9 @@ static int test_modexp(const char * const kind,
* Run one RSA CRT test.
*/
-static int test_decrypt(const char * const kind, const rsa_tc_t * const tc)
+static int test_decrypt(const hal_core_t *core,
+ const char * const kind,
+ const rsa_tc_t * const tc)
{
printf("%s test for %lu-bit RSA key\n", kind, (unsigned long) tc->size);
@@ -107,7 +110,7 @@ static int test_decrypt(const char * const kind, const rsa_tc_t * const tc)
uint8_t result[tc->n.len];
- if ((err = hal_rsa_decrypt(key, tc->m.val, tc->m.len, result, sizeof(result))) != HAL_OK)
+ if ((err = hal_rsa_decrypt(core, key, tc->m.val, tc->m.len, result, sizeof(result))) != HAL_OK)
printf("RSA CRT failed: %s\n", hal_error_string(err));
const int mismatch = (err == HAL_OK && memcmp(result, tc->s.val, tc->s.len) != 0);
@@ -124,7 +127,9 @@ static int test_decrypt(const char * const kind, const rsa_tc_t * const tc)
* Run one RSA key generation + CRT test.
*/
-static int test_gen(const char * const kind, const rsa_tc_t * const tc)
+static int test_gen(const hal_core_t *core,
+ const char * const kind,
+ const rsa_tc_t * const tc)
{
printf("%s test for %lu-bit RSA key\n", kind, (unsigned long) tc->size);
@@ -136,7 +141,7 @@ static int test_gen(const char * const kind, const rsa_tc_t * const tc)
const uint8_t f4[] = { 0x01, 0x00, 0x01 };
- if ((err = hal_rsa_key_gen(&key1, keybuf1, sizeof(keybuf1), bitsToBytes(tc->size), f4, sizeof(f4))) != HAL_OK) {
+ if ((err = hal_rsa_key_gen(core, &key1, keybuf1, sizeof(keybuf1), bitsToBytes(tc->size), f4, sizeof(f4))) != HAL_OK) {
printf("RSA key generation failed: %s\n", hal_error_string(err));
return 0;
}
@@ -185,7 +190,7 @@ static int test_gen(const char * const kind, const rsa_tc_t * const tc)
uint8_t result[tc->n.len];
- if ((err = hal_rsa_decrypt(key1, tc->m.val, tc->m.len, result, sizeof(result))) != HAL_OK)
+ if ((err = hal_rsa_decrypt(core, key1, tc->m.val, tc->m.len, result, sizeof(result))) != HAL_OK)
printf("RSA CRT failed: %s\n", hal_error_string(err));
snprintf(fn, sizeof(fn), "test-rsa-sig-%04lu.der", (unsigned long) tc->size);
@@ -209,7 +214,7 @@ static int test_gen(const char * const kind, const rsa_tc_t * const tc)
if (err != HAL_OK) /* Deferred failure from hal_rsa_decrypt(), above */
return 0;
- if ((err = hal_rsa_encrypt(key1, result, sizeof(result), result, sizeof(result))) != HAL_OK)
+ if ((err = hal_rsa_encrypt(core, key1, result, sizeof(result), result, sizeof(result))) != HAL_OK)
printf("RSA signature check failed: %s\n", hal_error_string(err));
const int mismatch = (err == HAL_OK && memcmp(result, tc->m.val, tc->m.len) != 0);
@@ -258,42 +263,32 @@ static void _time_check(const struct timeval t0, const int ok)
* and try generating a signature with that.
*/
-static int test_rsa(const rsa_tc_t * const tc)
+static int test_rsa(const hal_core_t *core, const rsa_tc_t * const tc)
{
int ok = 1;
/* RSA encryption */
- time_check(test_modexp("Verification", tc, &tc->s, &tc->e, &tc->m));
+ time_check(test_modexp(core, "Verification", tc, &tc->s, &tc->e, &tc->m));
/* Brute force RSA decryption */
- time_check(test_modexp("Signature (ModExp)", tc, &tc->m, &tc->d, &tc->s));
+ time_check(test_modexp(core, "Signature (ModExp)", tc, &tc->m, &tc->d, &tc->s));
/* RSA decyrption using CRT */
- time_check(test_decrypt("Signature (CRT)", tc));
+ time_check(test_decrypt(core, "Signature (CRT)", tc));
/* Key generation and CRT -- not test vector, so writes key and sig to file */
- time_check(test_gen("Generation and CRT", tc));
+ time_check(test_gen(core, "Generation and CRT", tc));
return ok;
}
int main(int argc, char *argv[])
{
- uint8_t name[8], version[4];
- hal_error_t err;
- int i;
+ const hal_core_t *core = hal_core_find(MODEXPS6_NAME, NULL);
+ const hal_core_info_t *core_info = hal_core_info(core);
- /*
- * Initialize EIM and report what core we're running.
- */
-
- if ((err = hal_io_read(MODEXPS6_ADDR_NAME0, name, sizeof(name))) != HAL_OK ||
- (err = hal_io_read(MODEXPS6_ADDR_VERSION, version, sizeof(version))) != HAL_OK) {
- printf("Initialization failed: %s\n", hal_error_string(err));
- return 1;
- }
-
- printf("\"%8.8s\" \"%4.4s\"\n\n", name, version);
+ if (core_info != NULL)
+ printf("\"%8.8s\" \"%4.4s\"\n\n", core_info->name, core_info->version);
/*
* Run the test cases.
@@ -303,8 +298,8 @@ int main(int argc, char *argv[])
/* Normal test */
- for (i = 0; i < (sizeof(rsa_tc)/sizeof(*rsa_tc)); i++)
- if (!test_rsa(&rsa_tc[i]))
+ for (int i = 0; i < (sizeof(rsa_tc)/sizeof(*rsa_tc)); i++)
+ if (!test_rsa(core, &rsa_tc[i]))
return 1;
return 0;
diff --git a/verilog_constants.h b/verilog_constants.h
new file mode 100644
index 0000000..2f04ca5
--- /dev/null
+++ b/verilog_constants.h
@@ -0,0 +1,241 @@
+/*
+ * addrs.h
+ * -------
+ * Magic constants which must match Verilog code, mostly bus addresses.
+ *
+ * In the long run, this should be generated by a script which pulls
+ * these numbers out of the Verilog source code. For the moment, it's
+ * hand-edited.
+ *
+ * Authors: Joachim Strombergson, Paul Selkirk, Rob Austein
+ * Copyright (c) 2015, NORDUnet A/S All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the NORDUnet nor the names of its contributors may
+ * be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _VERILOG_CONSTANTS_H_
+#define _VERILOG_CONSTANTS_H_
+
+/*
+ * Common to all (well, almost all) cores.
+ */
+#define ADDR_NAME0 (0x00)
+#define ADDR_NAME1 (0x01)
+#define ADDR_VERSION (0x02)
+#define ADDR_CTRL (0x08)
+#define CTRL_INIT (1)
+#define CTRL_NEXT (2)
+#define ADDR_STATUS (0x09)
+#define STATUS_READY (1)
+#define STATUS_VALID (2)
+
+/*
+ * Hash cores.
+ */
+
+#define SHA1_ADDR_BLOCK (0x10)
+#define SHA1_ADDR_DIGEST (0x20)
+#define SHA1_BLOCK_LEN bitsToBytes(512)
+#define SHA1_LENGTH_LEN bitsToBytes(64)
+#define SHA1_DIGEST_LEN bitsToBytes(160)
+
+#define SHA256_ADDR_BLOCK (0x10)
+#define SHA256_ADDR_DIGEST (0x20)
+#define SHA256_BLOCK_LEN bitsToBytes(512)
+#define SHA256_LENGTH_LEN bitsToBytes(64)
+#define SHA256_DIGEST_LEN bitsToBytes(256)
+
+#define SHA512_ADDR_BLOCK (0x10)
+#define SHA512_ADDR_DIGEST (0x40)
+#define SHA512_BLOCK_LEN bitsToBytes(1024)
+#define SHA512_LENGTH_LEN bitsToBytes(128)
+#define SHA512_224_DIGEST_LEN bitsToBytes(224)
+#define SHA512_256_DIGEST_LEN bitsToBytes(256)
+#define SHA384_DIGEST_LEN bitsToBytes(384)
+#define SHA512_DIGEST_LEN bitsToBytes(512)
+#define MODE_SHA_512_224 (0 << 2)
+#define MODE_SHA_512_256 (1 << 2)
+#define MODE_SHA_384 (2 << 2)
+#define MODE_SHA_512 (3 << 2)
+
+/*
+ * RNG cores.
+ *
+ * For some reason, the RNG cores use different locations for their
+ * control and status words. Maybe this will get fixed. Fortunately,
+ * at the moment, we don't really care, because we never send any
+ * control bits or read any status bits from any of those cores.
+ */
+
+#define TRNG_ADDR_CTRL (0x10)
+#define TRNG_CTRL_DISCARD (1)
+#define TRNG_CTRL_TEST_MODE (2)
+#define TRNG_ADDR_STATUS (0x11)
+ /* No status bits defined (yet) */
+#define TRNG_ADDR_DELAY (0x13)
+
+#define ENTROPY1_ADDR_CTRL (0x10)
+#define ENTROPY1_CTRL_ENABLE (1)
+#define ENTROPY1_ADDR_STATUS (0x11)
+#define ENTROPY1_STATUS_VALID (1)
+#define ENTROPY1_ADDR_ENTROPY (0x20)
+#define ENTROPY1_ADDR_DELTA (0x30)
+
+#define ENTROPY2_ADDR_CTRL (0x10)
+#define ENTROPY2_CTRL_ENABLE (1)
+#define ENTROPY2_ADDR_STATUS (0x11)
+#define ENTROPY2_STATUS_VALID (1)
+#define ENTROPY2_ADDR_OPA (0x18)
+#define ENTROPY2_ADDR_OPB (0x19)
+#define ENTROPY2_ADDR_ENTROPY (0x20)
+#define ENTROPY2_ADDR_RAW (0x21)
+#define ENTROPY2_ADDR_ROSC (0x22)
+
+#define MIXER_ADDR_CTRL (0x10)
+#define MIXER_CTRL_ENABLE (1)
+#define MIXER_CTRL_RESTART (2)
+#define MIXER_ADDR_STATUS (0x11)
+/* No status bits defined (yet) */
+#define MIXER_ADDR_TIMEOUT (0x20)
+
+
+#define CSPRNG_CTRL_ENABLE (1)
+#define CSPRNG_CTRL_SEED (2)
+#define CSPRNG_STATUS_VALID (1)
+#define CSPRNG_ADDR_RANDOM (0x20)
+#define CSPRNG_ADDR_NROUNDS (0x40)
+#define CSPRNG_ADDR_NBLOCKS_LO (0x41)
+#define CSPRNG_ADDR_NBLOCKS_HI (0x42)
+
+/*
+ * Cipher cores.
+ */
+
+#define AES_ADDR_CONFIG (0x0a)
+#define AES_CONFIG_ENCDEC (1)
+#define AES_CONFIG_KEYLEN (2)
+
+#define AES_ADDR_KEY0 (0x10)
+#define AES_ADDR_KEY1 (0x11)
+#define AES_ADDR_KEY2 (0x12)
+#define AES_ADDR_KEY3 (0x13)
+#define AES_ADDR_KEY4 (0x14)
+#define AES_ADDR_KEY5 (0x15)
+#define AES_ADDR_KEY6 (0x16)
+#define AES_ADDR_KEY7 (0x17)
+
+#define AES_ADDR_BLOCK0 (0x20)
+#define AES_ADDR_BLOCK1 (0x21)
+#define AES_ADDR_BLOCK2 (0x22)
+#define AES_ADDR_BLOCK3 (0x23)
+
+#define AES_ADDR_RESULT0 (0x30)
+#define AES_ADDR_RESULT1 (0x31)
+#define AES_ADDR_RESULT2 (0x32)
+#define AES_ADDR_RESULT3 (0x33)
+
+/* Chacha core */
+
+#define CHACHA_ADDR_KEYLEN (0x0a)
+#define CHACHA_KEYLEN (1)
+
+#define CHACHA_ADDR_ROUNDS (0x0b)
+
+#define CHACHA_ADDR_KEY0 (0x10)
+#define CHACHA_ADDR_KEY1 (0x11)
+#define CHACHA_ADDR_KEY2 (0x12)
+#define CHACHA_ADDR_KEY3 (0x13)
+#define CHACHA_ADDR_KEY4 (0x14)
+#define CHACHA_ADDR_KEY5 (0x15)
+#define CHACHA_ADDR_KEY6 (0x16)
+#define CHACHA_ADDR_KEY7 (0x17)
+
+#define CHACHA_ADDR_IV0 (0x20)
+#define CHACHA_ADDR_IV1 (0x21)
+
+#define CHACHA_ADDR_DATA_IN0 (0x40)
+#define CHACHA_ADDR_DATA_IN1 (0x41)
+#define CHACHA_ADDR_DATA_IN2 (0x42)
+#define CHACHA_ADDR_DATA_IN3 (0x43)
+#define CHACHA_ADDR_DATA_IN4 (0x44)
+#define CHACHA_ADDR_DATA_IN5 (0x45)
+#define CHACHA_ADDR_DATA_IN6 (0x46)
+#define CHACHA_ADDR_DATA_IN7 (0x47)
+#define CHACHA_ADDR_DATA_IN8 (0x48)
+#define CHACHA_ADDR_DATA_IN9 (0x49)
+#define CHACHA_ADDR_DATA_IN10 (0x4a)
+#define CHACHA_ADDR_DATA_IN11 (0x4b)
+#define CHACHA_ADDR_DATA_IN12 (0x4c)
+#define CHACHA_ADDR_DATA_IN13 (0x4d)
+#define CHACHA_ADDR_DATA_IN14 (0x4e)
+#define CHACHA_ADDR_DATA_IN15 (0x4f)
+
+#define CHACHA_ADDR_DATA_OUT0 (0x80)
+#define CHACHA_ADDR_DATA_OUT1 (0x81)
+#define CHACHA_ADDR_DATA_OUT2 (0x82)
+#define CHACHA_ADDR_DATA_OUT3 (0x83)
+#define CHACHA_ADDR_DATA_OUT4 (0x84)
+#define CHACHA_ADDR_DATA_OUT5 (0x85)
+#define CHACHA_ADDR_DATA_OUT6 (0x86)
+#define CHACHA_ADDR_DATA_OUT7 (0x87)
+#define CHACHA_ADDR_DATA_OUT8 (0x88)
+#define CHACHA_ADDR_DATA_OUT9 (0x89)
+#define CHACHA_ADDR_DATA_OUT10 (0x8a)
+#define CHACHA_ADDR_DATA_OUT11 (0x8b)
+#define CHACHA_ADDR_DATA_OUT12 (0x8c)
+#define CHACHA_ADDR_DATA_OUT13 (0x8d)
+#define CHACHA_ADDR_DATA_OUT14 (0x8e)
+#define CHACHA_ADDR_DATA_OUT15 (0x8f)
+
+/*
+ * Math cores.
+ */
+
+/*
+ * ModExpS6 core. MODEXPS6_OPERAND_BITS is size in bits of largest
+ * supported modulus.
+ */
+
+#define MODEXPS6_OPERAND_BITS (4096)
+#define MODEXPS6_OPERAND_WORDS (MODEXPS6_OPERAND_BITS / 32)
+#define MODEXPS6_ADDR_REGISTERS (0 * MODEXPS6_OPERAND_WORDS)
+#define MODEXPS6_ADDR_OPERANDS (4 * MODEXPS6_OPERAND_WORDS)
+#define MODEXPS6_ADDR_MODE (MODEXPS6_ADDR_REGISTERS + 0x10)
+#define MODEXPS6_ADDR_MODULUS_WIDTH (MODEXPS6_ADDR_REGISTERS + 0x11)
+#define MODEXPS6_ADDR_EXPONENT_WIDTH (MODEXPS6_ADDR_REGISTERS + 0x12)
+#define MODEXPS6_ADDR_MODULUS (MODEXPS6_ADDR_OPERANDS + 0 * MODEXPS6_OPERAND_WORDS)
+#define MODEXPS6_ADDR_MESSAGE (MODEXPS6_ADDR_OPERANDS + 1 * MODEXPS6_OPERAND_WORDS)
+#define MODEXPS6_ADDR_EXPONENT (MODEXPS6_ADDR_OPERANDS + 2 * MODEXPS6_OPERAND_WORDS)
+#define MODEXPS6_ADDR_RESULT (MODEXPS6_ADDR_OPERANDS + 3 * MODEXPS6_OPERAND_WORDS)
+
+#endif /* _VERILOG_CONSTANTS_H_ */
+
+/*
+ * Local variables:
+ * indent-tabs-mode: nil
+ * End:
+ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 03:49:28 +0000