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-rw-r--r--.gitignore2
-rw-r--r--aes_keywrap.c27
-rw-r--r--core.c1
-rw-r--r--verilog_constants.h5
4 files changed, 13 insertions, 22 deletions
diff --git a/.gitignore b/.gitignore
index 764f6fb..efaa99c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,11 +15,13 @@ tests/test-rpc_bighash
tests/test-rpc_get_random
tests/test-rpc_get_version
tests/test-rpc_hash
+tests/test-rpc_hashsig
tests/test-rpc_login
tests/test-rpc_pkey
tests/test-rpc_server
tests/test-rsa
tests/test-rsa-*.der
tests/test-trng
+tests/test-xdr
utils/cores
utils/eim_peek_poke
diff --git a/aes_keywrap.c b/aes_keywrap.c
index 8ef018b..a3e223f 100644
--- a/aes_keywrap.c
+++ b/aes_keywrap.c
@@ -144,8 +144,10 @@ static hal_error_t do_keywrap_core(const hal_core_t *core, uint8_t * const C, co
hal_assert(core != NULL && C != NULL && n > 0);
- /* The core is limited to 128 banks of 512 bytes/64 blocks */
- if (n == 0 || n > 128 * 64)
+ /* n is the number of 64-bit (8-byte) blocks in the input.
+ * KEYWRAP_LEN_R_DATA is the number of 4-byte data registers in the core.
+ */
+ if (n == 0 || n > KEYWRAP_LEN_R_DATA * 2)
return HAL_ERROR_BAD_ARGUMENTS;
/* write the AIV to A */
@@ -157,16 +159,9 @@ static hal_error_t do_keywrap_core(const hal_core_t *core, uint8_t * const C, co
if ((err = hal_io_write(core, KEYWRAP_ADDR_RLEN, (const uint8_t *)&nn, 4)) != HAL_OK)
return err;
- /* write the data to R_DATA, with bank-switching as necessary */
- for (size_t bank = 0; 64 * bank < n; ++bank) {
- uint32_t bb = htonl(bank);
- if ((err = hal_io_write(core, KEYWRAP_ADDR_R_BANK, (const uint8_t *)&bb, 4)) != HAL_OK)
- return err;
- /* R_DATA is 128 32-bit registers, so 64 64-bit blocks or 512 bytes. */
- size_t len = min(n - 64 * bank, 64) * 8;
- if ((err = hal_io_write(core, KEYWRAP_ADDR_R_DATA0, (C + 512 * bank + 8), len)) != HAL_OK)
+ /* write the data to R_DATA */
+ if ((err = hal_io_write(core, KEYWRAP_ADDR_R_DATA, C + 8, 8 * n)) != HAL_OK)
return err;
- }
/* start the wrap/unwrap operation, and wait for it to complete */
if ((err = hal_io_next(core)) != HAL_OK ||
@@ -177,15 +172,9 @@ static hal_error_t do_keywrap_core(const hal_core_t *core, uint8_t * const C, co
if ((err = hal_io_read(core, KEYWRAP_ADDR_A0, C, 8)) != HAL_OK)
return err;
- /* read the data from R_DATA, with bank-switching as necessary */
- for (size_t bank = 0; 64 * bank < n; ++bank) {
- uint32_t bb = htonl(bank);
- if ((err = hal_io_write(core, KEYWRAP_ADDR_R_BANK, (const uint8_t *)&bb, 4)) != HAL_OK)
+ /* read the data to R_DATA */
+ if ((err = hal_io_read(core, KEYWRAP_ADDR_R_DATA, C + 8, 8 * n)) != HAL_OK)
return err;
- size_t len = min(n - 64 * bank, 64) * 8;
- if ((err = hal_io_read(core, KEYWRAP_ADDR_R_DATA0, (C + 512 * bank + 8), len)) != HAL_OK)
- return err;
- }
return HAL_OK;
}
diff --git a/core.c b/core.c
index e170210..2b5d51a 100644
--- a/core.c
+++ b/core.c
@@ -101,6 +101,7 @@ static inline hal_core_t *probe_cores(void)
{ "csprng", 11 * CORE_SIZE }, /* empty slots after csprng */
{ "modexps6", 3 * CORE_SIZE }, /* ModexpS6 uses four slots */
{ "modexpa7", 7 * CORE_SIZE }, /* ModexpA7 uses eight slots */
+ { "key wrap",31 * CORE_SIZE }, /* keywrap uses 32 slots */
};
if (offsetof(hal_core_t, info) != 0)
diff --git a/verilog_constants.h b/verilog_constants.h
index df808c4..8735b12 100644
--- a/verilog_constants.h
+++ b/verilog_constants.h
@@ -308,7 +308,6 @@
#define KEYWRAP_CONFIG_KEYLEN (2)
#define KEYWRAP_ADDR_RLEN (0x0c)
-#define KEYWRAP_ADDR_R_BANK (0x0d)
#define KEYWRAP_ADDR_A0 (0x0e)
#define KEYWRAP_ADDR_A1 (0x0f)
@@ -321,8 +320,8 @@
#define KEYWRAP_ADDR_KEY6 (0x16)
#define KEYWRAP_ADDR_KEY7 (0x17)
-#define KEYWRAP_ADDR_R_DATA0 (0x80)
-#define KEYWRAP_ADDR_R_DATA127 (0xff)
+#define KEYWRAP_ADDR_R_DATA (0x1000)
+#define KEYWRAP_LEN_R_DATA (0x1000)
#endif /* _VERILOG_CONSTANTS_H_ */