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#include <stdint.h>
typedef struct crypto_hash_sha512_state {
uint64_t state[8];
uint64_t count[2];
unsigned char buf[128];
} crypto_hash_sha512_state;
#define crypto_hash_sha512_BYTES 64U
int crypto_hash_sha512_init(crypto_hash_sha512_state *state);
int crypto_hashblocks_sha512(unsigned char *statebytes,const unsigned char *in,unsigned long long inlen);
int
crypto_hash_sha512_update(crypto_hash_sha512_state *state,
const unsigned char *in,
unsigned long long inlen);
int
crypto_hash_sha512_final(crypto_hash_sha512_state *state,
unsigned char *out);
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