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- #ifndef FIPS202_H
- #define FIPS202_H
-
- #include <stddef.h>
- #include <stdint.h>
-
- #define SHAKE128_RATE 168
- #define SHAKE256_RATE 136
- #define SHA3_256_RATE 136
- #define SHA3_384_RATE 104
- #define SHA3_512_RATE 72
-
-
- // Context for incremental API
- typedef struct {
- uint64_t ctx[26];
- } shake128incctx;
-
- // Context for non-incremental API
- typedef struct {
- uint64_t ctx[25];
- } shake128ctx;
-
- // Context for incremental API
- typedef struct {
- uint64_t ctx[26];
- } shake256incctx;
-
- // Context for non-incremental API
- typedef struct {
- uint64_t ctx[25];
- } shake256ctx;
-
- // Context for incremental API
- typedef struct {
- uint64_t ctx[26];
- } sha3_256incctx;
-
- // Context for incremental API
- typedef struct {
- uint64_t ctx[26];
- } sha3_384incctx;
-
- // Context for incremental API
- typedef struct {
- uint64_t ctx[26];
- } sha3_512incctx;
-
- void shake128_absorb(shake128ctx *state, const uint8_t *input, size_t inlen);
-
- void shake128_squeezeblocks(uint8_t *output, size_t nblocks, shake128ctx *state);
-
- void shake128_inc_init(shake128incctx *state);
- void shake128_inc_absorb(shake128incctx *state, const uint8_t *input, size_t inlen);
- void shake128_inc_finalize(shake128incctx *state);
- void shake128_inc_squeeze(uint8_t *output, size_t outlen, shake128incctx *state);
-
- void shake256_absorb(shake256ctx *state, const uint8_t *input, size_t inlen);
- void shake256_squeezeblocks(uint8_t *output, size_t nblocks, shake256ctx *state);
-
- void shake256_inc_init(shake256incctx *state);
- void shake256_inc_absorb(shake256incctx *state, const uint8_t *input, size_t inlen);
- void shake256_inc_finalize(shake256incctx *state);
- void shake256_inc_squeeze(uint8_t *output, size_t outlen, shake256incctx *state);
-
- void shake128(uint8_t *output, size_t outlen,
- const uint8_t *input, size_t inlen);
-
- void shake256(uint8_t *output, size_t outlen,
- const uint8_t *input, size_t inlen);
-
- void sha3_256_inc_init(sha3_256incctx *state);
- void sha3_256_inc_absorb(sha3_256incctx *state, const uint8_t *input, size_t inlen);
- 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_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_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(uint8_t *output, const uint8_t *input, size_t inlen);
-
- #endif
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