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#ifndef _USUAL_CRYPTO_KECCAK_PRNG_H_
#define _USUAL_CRYPTO_KECCAK_PRNG_H_
#include <usual/crypto/keccak.h>
/*
* PRNG based on Keccak.
*/
struct KeccakPRNG {
struct KeccakContext ctx;
bool extracting;
bool have_data;
};
bool keccak_prng_init(struct KeccakPRNG *prng, int capacity);
void keccak_prng_add_data(struct KeccakPRNG *prng, const void *data, size_t len);
bool keccak_prng_extract(struct KeccakPRNG *prng, void *data, size_t len);
#endif
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