~singpolyma/biboumi

985da8f2b2fbd2119a15e88677ab23c0f74f4100 — louiz’ 6 years ago daa7ea0
Remove unused code in sha1 module
2 files changed, 0 insertions(+), 35 deletions(-)

M louloulibs/utils/sha1.cpp
M louloulibs/utils/sha1.hpp
M louloulibs/utils/sha1.cpp => louloulibs/utils/sha1.cpp +0 -33
@@ 119,36 119,3 @@ uint8_t* sha1_result(sha1nfo *s) {
  // Return pointer to hash (20 characters)
  return s->state.b;
}

#define HMAC_IPAD 0x36
#define HMAC_OPAD 0x5c

void sha1_initHmac(sha1nfo *s, const uint8_t* key, int keyLength) {
  uint8_t i;
  memset(s->keyBuffer, 0, BLOCK_LENGTH);
  if (keyLength > BLOCK_LENGTH) {
    // Hash long keys
    sha1_init(s);
    for (;keyLength--;) sha1_writebyte(s, *key++);
    memcpy(s->keyBuffer, sha1_result(s), HASH_LENGTH);
  } else {
    // Block length keys are used as is
    memcpy(s->keyBuffer, key, keyLength);
  }
  // Start inner hash
  sha1_init(s);
  for (i=0; i<BLOCK_LENGTH; i++) {
    sha1_writebyte(s, s->keyBuffer[i] ^ HMAC_IPAD);
  }
}

uint8_t* sha1_resultHmac(sha1nfo *s) {
  uint8_t i;
  // Complete inner hash
  memcpy(s->innerHash,sha1_result(s),HASH_LENGTH);
  // Calculate outer hash
  sha1_init(s);
  for (i=0; i<BLOCK_LENGTH; i++) sha1_writebyte(s, s->keyBuffer[i] ^ HMAC_OPAD);
  for (i=0; i<HASH_LENGTH; i++) sha1_writebyte(s, s->innerHash[i]);
  return sha1_result(s);
}

M louloulibs/utils/sha1.hpp => louloulibs/utils/sha1.hpp +0 -2
@@ 31,5 31,3 @@ void sha1_init(sha1nfo *s);
void sha1_writebyte(sha1nfo *s, uint8_t data);
void sha1_write(sha1nfo *s, const char *data, size_t len);
uint8_t* sha1_result(sha1nfo *s);
void sha1_initHmac(sha1nfo *s, const uint8_t* key, int keyLength);
uint8_t* sha1_resultHmac(sha1nfo *s);