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util.hashes: Remove now unused hmac() function

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This commit is contained in:
Kim Alvefur 2019-04-19 13:24:32 +02:00
parent 5bc034dcf5
commit 86219e2532
1 changed files with 0 additions and 38 deletions

38
util-src/hashes.c
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@ -76,44 +76,6 @@ struct hash_desc {
void *ctx, *ctxo;
};
static void hmac(struct hash_desc *desc, const char *key, size_t key_len,
const char *msg, size_t msg_len, unsigned char *result) {
union xory {
unsigned char bytes[64];
uint32_t quadbytes[16];
};
int i;
unsigned char hashedKey[64]; /* Maximum used digest length */
union xory k_ipad, k_opad;
if(key_len > 64) {
desc->Init(desc->ctx);
desc->Update(desc->ctx, key, key_len);
desc->Final(hashedKey, desc->ctx);
key = (const char *)hashedKey;
key_len = desc->digestLength;
}
memcpy(k_ipad.bytes, key, key_len);
memset(k_ipad.bytes + key_len, 0, 64 - key_len);
memcpy(k_opad.bytes, k_ipad.bytes, 64);
for(i = 0; i < 16; i++) {
k_ipad.quadbytes[i] ^= HMAC_IPAD;
k_opad.quadbytes[i] ^= HMAC_OPAD;
}
desc->Init(desc->ctx);
desc->Update(desc->ctx, k_ipad.bytes, 64);
desc->Init(desc->ctxo);
desc->Update(desc->ctxo, k_opad.bytes, 64);
desc->Update(desc->ctx, msg, msg_len);
desc->Final(result, desc->ctx);
desc->Update(desc->ctxo, result, desc->digestLength);
desc->Final(result, desc->ctxo);
}
#define MAKE_HMAC_FUNCTION(myFunc, evp, size, type) \
static int myFunc(lua_State *L) { \
unsigned char hash[size], result[2*size]; \