diff options
| -rw-r--r-- | crypto/sha1.c | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/crypto/sha1.c b/crypto/sha1.c index b4e2abc003..e989c8ab20 100644 --- a/crypto/sha1.c +++ b/crypto/sha1.c @@ -291,45 +291,6 @@ static void sha1_finish (sha1_context * ctx, uint8_t output[20]) PUT_UINT32_BE (ctx->state[4], output, 16); } -/* - * Output = HMAC-SHA-1( input buffer, hmac key ) - */ -void sha1_hmac (uint8_t *key, uint32_t keylen, - uint8_t *input, uint32_t ilen, uint8_t output[20]) -{ - uint32_t i; - sha1_context ctx; - uint8_t k_ipad[64]; - uint8_t k_opad[64]; - uint8_t tmpbuf[20]; - - memset (k_ipad, 0x36, 64); - memset (k_opad, 0x5C, 64); - - for (i = 0; i < keylen; i++) { - if (i >= 64) - break; - - k_ipad[i] ^= key[i]; - k_opad[i] ^= key[i]; - } - - sha1_starts (&ctx); - sha1_update (&ctx, k_ipad, 64); - sha1_update (&ctx, input, ilen); - sha1_finish (&ctx, tmpbuf); - - sha1_starts (&ctx); - sha1_update (&ctx, k_opad, 64); - sha1_update (&ctx, tmpbuf, 20); - sha1_finish (&ctx, output); - - memset (k_ipad, 0, 64); - memset (k_opad, 0, 64); - memset (tmpbuf, 0, 20); - memset (&ctx, 0, sizeof (sha1_context)); -} - struct sha1 { sha1_context context; struct digest d; |