37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
#ifndef SYMMETRIC_H
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#define SYMMETRIC_H
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#include "params.h"
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#include <stddef.h>
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#include <stdint.h>
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#include "fips202.h"
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typedef shake128ctx xof_state;
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void PQCLEAN_KYBER768_CLEAN_kyber_shake128_absorb(xof_state *s,
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const uint8_t seed[KYBER_SYMBYTES],
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uint8_t x,
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uint8_t y);
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void PQCLEAN_KYBER768_CLEAN_kyber_shake256_prf(uint8_t *out,
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size_t outlen,
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const uint8_t key[KYBER_SYMBYTES],
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uint8_t nonce);
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#define XOF_BLOCKBYTES SHAKE128_RATE
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#define hash_h(OUT, IN, INBYTES) sha3_256(OUT, IN, INBYTES)
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#define hash_g(OUT, IN, INBYTES) sha3_512(OUT, IN, INBYTES)
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#define xof_absorb(STATE, SEED, X, Y) PQCLEAN_KYBER768_CLEAN_kyber_shake128_absorb(STATE, SEED, X, Y)
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#define xof_squeezeblocks(OUT, OUTBLOCKS, STATE) \
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shake128_squeezeblocks(OUT, OUTBLOCKS, STATE)
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#define xof_ctx_release(STATE) shake128_ctx_release(STATE)
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#define prf(OUT, OUTBYTES, KEY, NONCE) \
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PQCLEAN_KYBER768_CLEAN_kyber_shake256_prf(OUT, OUTBYTES, KEY, NONCE)
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#define kdf(OUT, IN, INBYTES) shake256(OUT, KYBER_SSBYTES, IN, INBYTES)
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#endif /* SYMMETRIC_H */
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