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-rw-r--r--hal.h39
1 files changed, 22 insertions, 17 deletions
diff --git a/hal.h b/hal.h
index 04dab48..2955c2d 100644
--- a/hal.h
+++ b/hal.h
@@ -127,6 +127,7 @@
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") \
+ DEFINE_HAL_ERROR(HAL_ERROR_CORE_BUSY, "Requested core busy") \
DEFINE_HAL_ERROR(HAL_ERROR_KEYSTORE_ACCESS, "Could not access keystore") \
DEFINE_HAL_ERROR(HAL_ERROR_KEY_NOT_FOUND, "Key not found") \
DEFINE_HAL_ERROR(HAL_ERROR_KEY_NAME_IN_USE, "Key name in use") \
@@ -204,11 +205,15 @@ typedef struct {
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 hal_core_t *hal_core_find(const char *name, 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);
+extern hal_core_t * hal_core_iterate(hal_core_t *core);
+extern hal_error_t hal_core_alloc(const char *name, hal_core_t **core);
+extern void hal_core_free(hal_core_t *core);
+extern void hal_critical_section_start(void);
+extern void hal_critical_section_end(void);
+extern const int hal_core_busy(const hal_core_t *core);
/*
* Slightly higher level public API, still working directly with cores.
@@ -218,7 +223,7 @@ extern const hal_core_t * hal_core_iterate(const hal_core_t *core);
* Get random bytes from the CSPRNG.
*/
-extern hal_error_t hal_get_random(const hal_core_t *core, void *buffer, const size_t length);
+extern hal_error_t hal_get_random(hal_core_t *core, void *buffer, const size_t length);
/*
* Hash and HMAC API.
@@ -289,7 +294,7 @@ extern const hal_hash_descriptor_t hal_hash_sha512[1];
extern void hal_hash_set_debug(int onoff);
-extern hal_error_t hal_hash_initialize(const hal_core_t *core,
+extern hal_error_t hal_hash_initialize(hal_core_t *core,
const hal_hash_descriptor_t * const descriptor,
hal_hash_state_t **state,
void *state_buffer, const size_t state_length);
@@ -300,7 +305,7 @@ 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_core_t *core,
+extern hal_error_t hal_hmac_initialize(hal_core_t *core,
const hal_hash_descriptor_t * const descriptor,
hal_hmac_state_t **state,
void *state_buffer, const size_t state_length,
@@ -323,12 +328,12 @@ extern const hal_hash_descriptor_t *hal_hmac_get_descriptor(const hal_hmac_state
* AES key wrap functions.
*/
-extern hal_error_t hal_aes_keywrap(const hal_core_t *core,
+extern hal_error_t hal_aes_keywrap(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 hal_core_t *core,
+extern hal_error_t hal_aes_keyunwrap(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);
@@ -340,7 +345,7 @@ 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_core_t *core,
+extern hal_error_t hal_pbkdf2(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,
@@ -353,7 +358,7 @@ extern hal_error_t hal_pbkdf2(const hal_core_t *core,
extern void hal_modexp_set_debug(const int onoff);
-extern hal_error_t hal_modexp(const hal_core_t *core,
+extern hal_error_t hal_modexp(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 */
@@ -363,13 +368,13 @@ extern hal_error_t hal_modexp(const hal_core_t *core,
* Master Key Memory Interface
*/
-extern hal_error_t hal_mkmif_init(const hal_core_t *core);
-extern hal_error_t hal_mkmif_set_clockspeed(const hal_core_t *core, const uint32_t divisor);
-extern hal_error_t hal_mkmif_get_clockspeed(const hal_core_t *core, uint32_t *divisor);
-extern hal_error_t hal_mkmif_write(const hal_core_t *core, uint32_t addr, const uint8_t *buf, size_t len);
-extern hal_error_t hal_mkmif_write_word(const hal_core_t *core, uint32_t addr, const uint32_t data);
-extern hal_error_t hal_mkmif_read(const hal_core_t *core, uint32_t addr, uint8_t *buf, size_t len);
-extern hal_error_t hal_mkmif_read_word(const hal_core_t *core, uint32_t addr, uint32_t *data);
+extern hal_error_t hal_mkmif_init(hal_core_t *core);
+extern hal_error_t hal_mkmif_set_clockspeed(hal_core_t *core, const uint32_t divisor);
+extern hal_error_t hal_mkmif_get_clockspeed(hal_core_t *core, uint32_t *divisor);
+extern hal_error_t hal_mkmif_write(hal_core_t *core, uint32_t addr, const uint8_t *buf, size_t len);
+extern hal_error_t hal_mkmif_write_word(hal_core_t *core, uint32_t addr, const uint32_t data);
+extern hal_error_t hal_mkmif_read(hal_core_t *core, uint32_t addr, uint8_t *buf, size_t len);
+extern hal_error_t hal_mkmif_read_word(hal_core_t *core, uint32_t addr, uint32_t *data);
/*