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-rw-r--r--hal.h52
1 files changed, 29 insertions, 23 deletions
diff --git a/hal.h b/hal.h
index 4417af8..42012f1 100644
--- a/hal.h
+++ b/hal.h
@@ -503,6 +503,12 @@ extern hal_error_t hal_get_random(void *buffer, const size_t length);
#define HAL_MAX_HASH_DIGEST_LENGTH SHA512_DIGEST_LEN
/*
+ * Opaque driver structure for digest algorithms.
+ */
+
+typedef struct hal_hash_driver hal_hash_driver_t;
+
+/*
* Public information about a digest algorithm.
*
* The _state_length values in the descriptor and the typed opaque
@@ -518,15 +524,15 @@ typedef struct {
size_t hmac_state_length;
const uint8_t * const digest_algorithm_id;
size_t digest_algorithm_id_length;
- const void *driver;
+ const hal_hash_driver_t *driver;
} hal_hash_descriptor_t;
/*
- * Typed opaque pointers to internal state.
+ * Opaque pointers to internal state.
*/
-typedef struct { void *state; } hal_hash_state_t;
-typedef struct { void *state; } hal_hmac_state_t;
+typedef struct hal_hash_state hal_hash_state_t;
+typedef struct hal_hmac_state hal_hmac_state_t;
/*
* Supported digest algorithms. These are one-element arrays so that
@@ -549,24 +555,24 @@ 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,
- hal_hash_state_t *state,
+ hal_hash_state_t **state,
void *state_buffer, const size_t state_length);
-extern hal_error_t hal_hash_update(const hal_hash_state_t state,
+extern hal_error_t hal_hash_update(hal_hash_state_t *state,
const uint8_t * data, const size_t length);
-extern hal_error_t hal_hash_finalize(const 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,
- hal_hmac_state_t *state,
+ hal_hmac_state_t **state,
void *state_buffer, const size_t state_length,
const uint8_t * const key, const size_t key_length);
-extern hal_error_t hal_hmac_update(const hal_hmac_state_t state,
+extern hal_error_t hal_hmac_update(hal_hmac_state_t *state,
const uint8_t * data, const size_t length);
-extern hal_error_t hal_hmac_finalize(const hal_hmac_state_t state,
+extern hal_error_t hal_hmac_finalize(hal_hmac_state_t *state,
uint8_t *hmac, const size_t length);
/*
@@ -612,7 +618,7 @@ extern hal_error_t hal_modexp(const uint8_t * const msg, const size_t msg_len, /
typedef enum { HAL_RSA_PRIVATE, HAL_RSA_PUBLIC } hal_rsa_key_type_t;
-typedef struct { void *key; } hal_rsa_key_t;
+typedef struct hal_rsa_key hal_rsa_key_t;
extern const size_t hal_rsa_key_t_size;
@@ -620,7 +626,7 @@ extern void hal_rsa_set_debug(const int onoff);
extern void hal_rsa_set_blinding(const int onoff);
-extern hal_error_t hal_rsa_key_load_private(hal_rsa_key_t *key,
+extern hal_error_t hal_rsa_key_load_private(hal_rsa_key_t **key,
void *keybuf, const size_t keybuf_len,
const uint8_t * const n, const size_t n_len,
const uint8_t * const e, const size_t e_len,
@@ -631,45 +637,45 @@ extern hal_error_t hal_rsa_key_load_private(hal_rsa_key_t *key,
const uint8_t * const dP, const size_t dP_len,
const uint8_t * const dQ, const size_t dQ_len);
-extern hal_error_t hal_rsa_key_load_public(hal_rsa_key_t *key,
+extern hal_error_t hal_rsa_key_load_public(hal_rsa_key_t **key,
void *keybuf, const size_t keybuf_len,
const uint8_t * const n, const size_t n_len,
const uint8_t * const e, const size_t e_len);
-extern hal_error_t hal_rsa_key_get_type(hal_rsa_key_t key,
+extern hal_error_t hal_rsa_key_get_type(const hal_rsa_key_t *key,
hal_rsa_key_type_t *key_type);
-extern hal_error_t hal_rsa_key_get_modulus(hal_rsa_key_t key,
+extern hal_error_t hal_rsa_key_get_modulus(const hal_rsa_key_t *key,
uint8_t *modulus,
size_t *modulus_len,
const size_t modulus_max);
-extern hal_error_t hal_rsa_key_get_public_exponent(hal_rsa_key_t key,
+extern hal_error_t hal_rsa_key_get_public_exponent(const hal_rsa_key_t *key,
uint8_t *public_exponent,
size_t *public_exponent_len,
const size_t public_exponent_max);
-extern void hal_rsa_key_clear(hal_rsa_key_t key);
+extern void hal_rsa_key_clear(hal_rsa_key_t *key);
-extern hal_error_t hal_rsa_encrypt(hal_rsa_key_t key,
+extern hal_error_t hal_rsa_encrypt(const hal_rsa_key_t *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(hal_rsa_key_t key,
+extern hal_error_t hal_rsa_decrypt(const hal_rsa_key_t *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(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);
-extern hal_error_t hal_rsa_key_to_der(hal_rsa_key_t key,
+extern hal_error_t hal_rsa_key_to_der(const hal_rsa_key_t *key,
uint8_t *der, size_t *der_len, const size_t der_max);
-extern size_t hal_rsa_key_to_der_len(hal_rsa_key_t key);
+extern size_t hal_rsa_key_to_der_len(hal_rsa_key_t *key);
-extern hal_error_t hal_rsa_key_from_der(hal_rsa_key_t *key,
+extern hal_error_t hal_rsa_key_from_der(hal_rsa_key_t **key,
void *keybuf, const size_t keybuf_len,
const uint8_t * const der, const size_t der_len);