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	sha1pickle.c - 9base - revived minimalist port of Plan 9 userland to Unix
	git clone git://git.suckless.org/9base
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	---
	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 = 59+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 }