diff options
Diffstat (limited to 'rsa.c')
| -rw-r--r-- | rsa.c | 21 |
1 files changed, 11 insertions, 10 deletions
@@ -246,7 +246,7 @@ 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 *key, fp_int *bf, fp_int *ubf) +static hal_error_t create_blinding_factors(const hal_rsa_key_t * const key, fp_int *bf, fp_int *ubf) { assert(key != NULL && bf != NULL && ubf != NULL); @@ -274,7 +274,7 @@ static hal_error_t create_blinding_factors(const hal_rsa_key_t *key, fp_int *bf, * RSA decryption via Chinese Remainder Theorem (Garner's formula). */ -static hal_error_t rsa_crt(const hal_rsa_key_t *key, fp_int *msg, fp_int *sig) +static hal_error_t rsa_crt(const hal_rsa_key_t * const key, fp_int *msg, fp_int *sig) { assert(key != NULL && msg != NULL && sig != NULL); @@ -345,7 +345,7 @@ static hal_error_t rsa_crt(const hal_rsa_key_t *key, fp_int *msg, fp_int *sig) * to the caller. */ -hal_error_t hal_rsa_encrypt(const hal_rsa_key_t *key, +hal_error_t hal_rsa_encrypt(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) { @@ -370,7 +370,7 @@ hal_error_t hal_rsa_encrypt(const hal_rsa_key_t *key, return err; } -hal_error_t hal_rsa_decrypt(const hal_rsa_key_t *key, +hal_error_t hal_rsa_decrypt(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) { @@ -496,7 +496,7 @@ hal_error_t hal_rsa_key_load_public(hal_rsa_key_t **key_, * Extract the key type. */ -hal_error_t hal_rsa_key_get_type(const hal_rsa_key_t *key, +hal_error_t hal_rsa_key_get_type(const hal_rsa_key_t * const key, hal_rsa_key_type_t *key_type) { if (key == NULL || key_type == NULL) @@ -510,7 +510,8 @@ hal_error_t hal_rsa_key_get_type(const hal_rsa_key_t *key, * Extract public key components. */ -static hal_error_t extract_component(const hal_rsa_key_t *key, const size_t offset, +static hal_error_t extract_component(const hal_rsa_key_t * const key, + const size_t offset, uint8_t *res, size_t *res_len, const size_t res_max) { if (key == NULL) @@ -534,13 +535,13 @@ static hal_error_t extract_component(const hal_rsa_key_t *key, const size_t offs return HAL_OK; } -hal_error_t hal_rsa_key_get_modulus(const hal_rsa_key_t *key, +hal_error_t hal_rsa_key_get_modulus(const hal_rsa_key_t * const key, uint8_t *res, size_t *res_len, const size_t res_max) { return extract_component(key, offsetof(hal_rsa_key_t, n), res, res_len, res_max); } -hal_error_t hal_rsa_key_get_public_exponent(const hal_rsa_key_t *key, +hal_error_t hal_rsa_key_get_public_exponent(const hal_rsa_key_t * const key, uint8_t *res, size_t *res_len, const size_t res_max) { return extract_component(key, offsetof(hal_rsa_key_t, e), res, res_len, res_max); @@ -655,7 +656,7 @@ hal_error_t hal_rsa_key_gen(hal_rsa_key_t **key_, _(&key->dQ); \ _(&key->u); -hal_error_t hal_rsa_key_to_der(const hal_rsa_key_t *key, +hal_error_t hal_rsa_key_to_der(const hal_rsa_key_t * const key, uint8_t *der, size_t *der_len, const size_t der_max) { hal_error_t err = HAL_OK; @@ -702,7 +703,7 @@ hal_error_t hal_rsa_key_to_der(const hal_rsa_key_t *key, return HAL_OK; } -size_t hal_rsa_key_to_der_len(hal_rsa_key_t *key) +size_t hal_rsa_key_to_der_len(const hal_rsa_key_t * const key) { size_t len = 0; return hal_rsa_key_to_der(key, NULL, &len, 0) == HAL_OK ? len : 0; |