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trezor-firmware/crypto/ed25519-donna/ed25519-hash-custom-keccak.h
2019-04-15 19:14:52 +02:00

24 lines
785 B
C

/*
a custom hash must have a 512bit digest and implement:
struct ed25519_hash_context;
void ed25519_hash_init(ed25519_hash_context *ctx);
void ed25519_hash_update(ed25519_hash_context *ctx, const uint8_t *in, size_t inlen);
void ed25519_hash_final(ed25519_hash_context *ctx, uint8_t *hash);
void ed25519_hash(uint8_t *hash, const uint8_t *in, size_t inlen);
*/
#ifndef ED25519_HASH_CUSTOM
#define ED25519_HASH_CUSTOM
#include "sha3.h"
#define ed25519_hash_context SHA3_CTX
#define ed25519_hash_init(ctx) keccak_512_Init(ctx)
#define ed25519_hash_update(ctx, in, inlen) keccak_Update((ctx), (in), (inlen))
#define ed25519_hash_final(ctx, hash) keccak_Final((ctx), (hash))
#define ed25519_hash(hash, in, inlen) keccak_512((in), (inlen), (hash))
#endif // ED25519_HASH_CUSTOM