1 #ifndef SHA512_H 2 #define SHA512_H 3 4 #include <stddef.h> 5 6 #include "fixedint.h" 7 8 /* state */ 9 typedef struct sha512_context_ { 10 uint64_t length, state[8]; 11 size_t curlen; 12 unsigned char buf[128]; 13 } sha512_context; 14 15 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); 20 21 #endif 22