unleashed-firmware/applications/external/totp/services/hmac/hmac_sha1.h
2023-03-15 01:25:18 +03:00

12 lines
393 B
C

#pragma once
#include <stddef.h>
#define HMAC_SHA1_RESULT_SIZE 20
/* Compute Hashed Message Authentication Code with SHA-1, over BUFFER
data of BUFLEN bytes using the KEY of KEYLEN bytes, writing the
output to pre-allocated 20 byte minimum RESBUF buffer. Return 0 on
success. */
int hmac_sha1(const void* key, size_t keylen, const void* in, size_t inlen, void* restrict resbuf);