sha1pickle.c (717B)
1 #include "os.h" 2 #include <libsec.h> 3 4 char* 5 sha1pickle(SHA1state *s) 6 { 7 char *p; 8 int m, n; 9 10 m = 5*9+4*((s->blen+3)/3); 11 p = malloc(m); 12 if(p == nil) 13 return p; 14 n = sprint(p, "%8.8ux %8.8ux %8.8ux %8.8ux %8.8ux ", 15 s->state[0], s->state[1], s->state[2], 16 s->state[3], s->state[4]); 17 enc64(p+n, m-n, s->buf, s->blen); 18 return p; 19 } 20 21 SHA1state* 22 sha1unpickle(char *p) 23 { 24 SHA1state *s; 25 26 s = malloc(sizeof(*s)); 27 if(s == nil) 28 return nil; 29 s->state[0] = strtoul(p, &p, 16); 30 s->state[1] = strtoul(p, &p, 16); 31 s->state[2] = strtoul(p, &p, 16); 32 s->state[3] = strtoul(p, &p, 16); 33 s->state[4] = strtoul(p, &p, 16); 34 s->blen = dec64(s->buf, sizeof(s->buf), p, strlen(p)); 35 s->malloced = 1; 36 s->seeded = 1; 37 return s; 38 }