9 typedef struct sha512_context_ {
10 uint64_t length, state[8];
12 unsigned char buf[128];
16 int sha512_init(sha512_context * md);
17 int sha512_final(sha512_context * md, unsigned char *out);
18 int sha512_update(sha512_context * md, const unsigned char *in, size_t inlen);
19 int sha512(const unsigned char *message, size_t message_len, unsigned char *out);