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Fix the MDC-2 implementation, again

This commit is contained in:
Juhani Krekelä 2021-04-08 21:41:35 +03:00
parent 9a0b35609b
commit c9defbaafe
1 changed files with 13 additions and 4 deletions
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17
puer.c
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@ -138,10 +138,10 @@ void compress_hash(struct hashstate *state) {
state->a[3] = w[3];
// B_{i+1} = W_i^L || V_i^R
state->b[0] = v[0];
state->b[1] = v[1];
state->b[2] = w[2];
state->b[3] = w[3];
state->b[0] = w[0];
state->b[1] = w[1];
state->b[2] = v[2];
state->b[3] = v[3];
// Mark that we have consumed the buffer
state->length = 0;
@ -248,3 +248,12 @@ void hmac(unsigned char output[32], unsigned char key[], size_t keylen, unsigned
feed_hash(&state, inner_hash, 32);
finalize_hash(&state, output);
}
int main(void) {
unsigned char hashed[32];
unsigned char key[] = "12345678901234567899";
unsigned char message[] = "barbaz";
hmac(hashed, key, sizeof(key)-1, message, sizeof(message)-1);
for (size_t i = 0; i < 32; i++) {printf("%02hhx ", hashed[i]);}printf("\n"); //debg
return 0;
}