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add sha3_384

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Leon 2019-06-10 20:40:49 +02:00
parent 4f97fa82b6
commit 32b3a97809
2 changed files with 55 additions and 0 deletions
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43
common/fips202.c
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@ -718,6 +718,49 @@ void sha3_256(uint8_t *output, const uint8_t *input, size_t inlen) {
} }
} }
void sha3_384_inc_init(sha3_384incctx *state) {
keccak_inc_init(state->ctx);
}
void sha3_384_inc_absorb(sha3_384incctx *state, const uint8_t *input, size_t inlen) {
keccak_inc_absorb(state->ctx, SHA3_384_RATE, input, inlen);
}
void sha3_384_inc_finalize(uint8_t *output, sha3_384incctx *state) {
uint8_t t[SHA3_384_RATE];
keccak_inc_finalize(state->ctx, SHA3_384_RATE, 0x06);
keccak_squeezeblocks(t, 1, state->ctx, SHA3_384_RATE);
for (size_t i = 0; i < 48; i++) {
output[i] = t[i];
}
}
/*************************************************
* Name: sha3_384
*
* Description: SHA3-256 with non-incremental API
*
* Arguments: - uint8_t *output: pointer to output
* - const uint8_t *input: pointer to input
* - size_t inlen: length of input in bytes
**************************************************/
void sha3_384(uint8_t *output, const uint8_t *input, size_t inlen) {
uint64_t s[25];
uint8_t t[SHA3_384_RATE];
/* Absorb input */
keccak_absorb(s, SHA3_384_RATE, input, inlen, 0x06);
/* Squeeze output */
keccak_squeezeblocks(t, 1, s, SHA3_384_RATE);
for (size_t i = 0; i < 48; i++) {
output[i] = t[i];
}
}
void sha3_512_inc_init(sha3_512incctx *state) { void sha3_512_inc_init(sha3_512incctx *state) {
keccak_inc_init(state->ctx); keccak_inc_init(state->ctx);
} }

12
common/fips202.h
View File

@ -7,6 +7,7 @@
#define SHAKE128_RATE 168 #define SHAKE128_RATE 168
#define SHAKE256_RATE 136 #define SHAKE256_RATE 136
#define SHA3_256_RATE 136 #define SHA3_256_RATE 136
#define SHA3_384_RATE 104
#define SHA3_512_RATE 72 #define SHA3_512_RATE 72
@ -35,6 +36,11 @@ typedef struct {
uint64_t ctx[26]; uint64_t ctx[26];
} sha3_256incctx; } sha3_256incctx;
// Context for incremental API
typedef struct {
uint64_t ctx[26];
} sha3_384incctx;
// Context for incremental API // Context for incremental API
typedef struct { typedef struct {
uint64_t ctx[26]; uint64_t ctx[26];
@ -69,6 +75,12 @@ void sha3_256_inc_finalize(uint8_t *output, sha3_256incctx *state);
void sha3_256(uint8_t *output, const uint8_t *input, size_t inlen); void sha3_256(uint8_t *output, const uint8_t *input, size_t inlen);
void sha3_384_inc_init(sha3_384incctx *state);
void sha3_384_inc_absorb(sha3_384incctx *state, const uint8_t *input, size_t inlen);
void sha3_384_inc_finalize(uint8_t *output, sha3_384incctx *state);
void sha3_384(uint8_t *output, const uint8_t *input, size_t inlen);
void sha3_512_inc_init(sha3_512incctx *state); void sha3_512_inc_init(sha3_512incctx *state);
void sha3_512_inc_absorb(sha3_512incctx *state, const uint8_t *input, size_t inlen); void sha3_512_inc_absorb(sha3_512incctx *state, const uint8_t *input, size_t inlen);
void sha3_512_inc_finalize(uint8_t *output, sha3_512incctx *state); void sha3_512_inc_finalize(uint8_t *output, sha3_512incctx *state);