1 /* ISC license. */
2 
3 #ifndef SHA512_H
4 #define SHA512_H
5 
6 #include <sys/types.h>
7 #include <skalibs/uint64.h>
8 
9 typedef struct SHA512Schedule_s SHA512Schedule, *SHA512Schedule_ref ;
10 struct SHA512Schedule_s
11 {
12   uint64_t len ;
13   uint64_t h[8] ;
14   unsigned char buf[128] ;
15 } ;
16 
17 #define SHA512_INIT() { .len = 0, .h = { 0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, 0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL, 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL, 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL } }
18 extern void sha512_init (SHA512Schedule *) ;
19 extern void sha512_update (SHA512Schedule *, char const *, size_t) ;
20 extern void sha512_final (SHA512Schedule *, char *digest) ;
21 
22 #endif
23