Electroneum
hmac-keccak.h
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28 
29 #ifndef HMAC_KECCAK_H
30 #define HMAC_KECCAK_H
31 
32 #include "keccak.h"
33 
34 // HMAC RFC 2104 with Keccak-256 base hash function
35 //
36 // B = KECCAK_BLOCKLEN = 136 B
37 // L = HASH_SIZE = 32 B
38 //
39 // Note this is not HMAC-SHA3 as SHA3 and Keccak differs in
40 // the padding constant.
41 
42 #ifdef __cplusplus
43 extern "C" {
44 #endif
45 
46 typedef struct {
50 
51 void hmac_keccak_init(hmac_keccak_state *S, const uint8_t *_key, size_t keylen);
52 void hmac_keccak_update(hmac_keccak_state *S, const uint8_t *data, size_t datalen);
54 void hmac_keccak_hash(uint8_t *out, const uint8_t *key, size_t keylen, const uint8_t *in, size_t inlen);
55 
56 #ifdef __cplusplus
57 }
58 #endif
59 #endif //HMAC_KECCAK_H
const char * key
Definition: hmac_keccak.cpp:39
unsigned char uint8_t
Definition: stdint.h:124
void hmac_keccak_update(hmac_keccak_state *S, const uint8_t *data, size_t datalen)
KECCAK_CTX outer
Definition: hmac-keccak.h:48
void hmac_keccak_finish(hmac_keccak_state *S, uint8_t *digest)
KECCAK_CTX inner
Definition: hmac-keccak.h:47
void hmac_keccak_init(hmac_keccak_state *S, const uint8_t *_key, size_t keylen)
void hmac_keccak_hash(uint8_t *out, const uint8_t *key, size_t keylen, const uint8_t *in, size_t inlen)