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Switching to new style.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2023-02-15 00:10:00 +01:00
parent 12bdcbd1f9
commit 43ef33d60b
16 changed files with 429 additions and 521 deletions
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29
src/crypto_utils.c
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@@ -24,18 +24,16 @@
#include "crypto_utils.h"
#include "hsm.h"
void double_hash_pin(const uint8_t *pin, size_t len, uint8_t output[32])
{
void double_hash_pin(const uint8_t *pin, size_t len, uint8_t output[32]) {
uint8_t o1[32];
hash_multi(pin, len, o1);
for (int i = 0; i < sizeof(o1); i++) {
o1[i] ^= pin[i%len];
o1[i] ^= pin[i % len];
}
hash_multi(o1, sizeof(o1), output);
}
void hash_multi(const uint8_t *input, size_t len, uint8_t output[32])
{
void hash_multi(const uint8_t *input, size_t len, uint8_t output[32]) {
mbedtls_sha256_context ctx;
mbedtls_sha256_init(&ctx);
int iters = 256;
@@ -60,8 +58,7 @@ void hash_multi(const uint8_t *input, size_t len, uint8_t output[32])
mbedtls_sha256_free(&ctx);
}
void hash256(const uint8_t *input, size_t len, uint8_t output[32])
{
void hash256(const uint8_t *input, size_t len, uint8_t output[32]) {
mbedtls_sha256_context ctx;
mbedtls_sha256_init(&ctx);
@@ -72,8 +69,7 @@ void hash256(const uint8_t *input, size_t len, uint8_t output[32])
mbedtls_sha256_free(&ctx);
}
void generic_hash(mbedtls_md_type_t md, const uint8_t *input, size_t len, uint8_t *output)
{
void generic_hash(mbedtls_md_type_t md, const uint8_t *input, size_t len, uint8_t *output) {
mbedtls_md(mbedtls_md_info_from_type(md), input, len, output);
}
@@ -82,8 +78,7 @@ int aes_encrypt(const uint8_t *key,
int key_size,
int mode,
uint8_t *data,
int len)
{
int len) {
mbedtls_aes_context aes;
mbedtls_aes_init(&aes);
uint8_t tmp_iv[IV_SIZE];
@@ -107,8 +102,7 @@ int aes_decrypt(const uint8_t *key,
int key_size,
int mode,
uint8_t *data,
int len)
{
int len) {
mbedtls_aes_context aes;
mbedtls_aes_init(&aes);
uint8_t tmp_iv[IV_SIZE];
@@ -128,12 +122,10 @@ int aes_decrypt(const uint8_t *key,
return mbedtls_aes_crypt_cfb128(&aes, MBEDTLS_AES_DECRYPT, len, &iv_offset, tmp_iv, data, data);
}
int aes_encrypt_cfb_256(const uint8_t *key, const uint8_t *iv, uint8_t *data, int len)
{
int aes_encrypt_cfb_256(const uint8_t *key, const uint8_t *iv, uint8_t *data, int len) {
return aes_encrypt(key, iv, 256, HSM_AES_MODE_CFB, data, len);
}
int aes_decrypt_cfb_256(const uint8_t *key, const uint8_t *iv, uint8_t *data, int len)
{
int aes_decrypt_cfb_256(const uint8_t *key, const uint8_t *iv, uint8_t *data, int len) {
return aes_decrypt(key, iv, 256, HSM_AES_MODE_CFB, data, len);
}
@@ -184,8 +176,7 @@ struct ec_curve_mbed_id ec_curves_mbed[] = {
{ { NULL, 0 }, MBEDTLS_ECP_DP_NONE }
};
mbedtls_ecp_group_id ec_get_curve_from_prime(const uint8_t *prime, size_t prime_len)
{
mbedtls_ecp_group_id ec_get_curve_from_prime(const uint8_t *prime, size_t prime_len) {
for (struct ec_curve_mbed_id *ec = ec_curves_mbed; ec->id != MBEDTLS_ECP_DP_NONE; ec++) {
if (prime_len == ec->curve.len && memcmp(prime, ec->curve.value, prime_len) == 0) {
return ec->id;