shimun/solo
1
0
Fork 0
Code Issues Pull Requests Releases 1 Wiki Activity

change the pin

Browse Source
This commit is contained in:
Conor Patrick
2018-05-22 20:42:34 -04:00
parent 6a94af0729
commit 35900455d5
4 changed files with 115 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
crypto.c
View File

@@ -54,7 +54,7 @@ void crypto_sha256_final(uint8_t * hash)
sha256_final(&sha256_ctx, hash);
}
void crypto_sha256_hmac(uint8_t * key, uint32_t klen, uint8_t * data, uint32_t datalen, uint8_t * hmac)
void crypto_sha256_hmac_init(uint8_t * key, uint32_t klen, uint8_t * hmac)
{
uint8_t buf[64];
int i;
@@ -75,10 +75,20 @@ void crypto_sha256_hmac(uint8_t * key, uint32_t klen, uint8_t * data, uint32_t d
crypto_sha256_init();
crypto_sha256_update(buf, 64);
crypto_sha256_update(data, datalen);
crypto_sha256_final(hmac);
}
void crypto_sha256_hmac_final(uint8_t * key, uint32_t klen, uint8_t * hmac)
{
uint8_t buf[64];
int i;
crypto_sha256_final(hmac);
memset(buf, 0, sizeof(buf));
if(klen > 64)
{
printf("Error, key size must be <= 64\n");
exit(1);
}
memmove(buf, key, klen);
for (i = 0; i < sizeof(buf); i++)
@@ -92,6 +102,44 @@ void crypto_sha256_hmac(uint8_t * key, uint32_t klen, uint8_t * data, uint32_t d
crypto_sha256_final(hmac);
}
/*void crypto_sha256_hmac(uint8_t * key, uint32_t klen, uint8_t * data, uint32_t datalen, uint8_t * hmac)*/
/*{*/
/*uint8_t buf[64];*/
/*int i;*/
/*memset(buf, 0, sizeof(buf));*/
/*if(klen > 64)*/
/*{*/
/*printf("Error, key size must be <= 64\n");*/
/*exit(1);*/
/*}*/
/*memmove(buf, key, klen);*/
/*for (i = 0; i < sizeof(buf); i++)*/
/*{*/
/*buf[i] = buf[i] ^ 0x36;*/
/*}*/
/*crypto_sha256_init();*/
/*crypto_sha256_update(buf, 64);*/
/*crypto_sha256_update(data, datalen);*/
/*crypto_sha256_final(hmac);*/
/*memset(buf, 0, sizeof(buf));*/
/*memmove(buf, key, klen);*/
/*for (i = 0; i < sizeof(buf); i++)*/
/*{*/
/*buf[i] = buf[i] ^ 0x5c;*/
/*}*/
/*crypto_sha256_init();*/
/*crypto_sha256_update(buf, 64);*/
/*crypto_sha256_update(hmac, 32);*/
/*crypto_sha256_final(hmac);*/
/*}*/
void crypto_ecc256_init()
{