a

libsec/md5pickle.c

@@ -0,0 +1,37 @@
+#include "os.h"
+#include <libsec.h>
+
+char*
+md5pickle(MD5state *s)
+{
+	char *p;
+	int m, n;
+
+	m = 4*9+4*((s->blen+3)/3);
+	p = malloc(m);
+	if(p == nil)
+		return p;
+	n = sprint(p, "%8.8ux %8.8ux %8.8ux %8.8ux ",
+		s->state[0], s->state[1], s->state[2],
+		s->state[3]);
+	enc64(p+n, m-n, s->buf, s->blen);
+	return p;
+}
+
+MD5state*
+md5unpickle(char *p)
+{
+	MD5state *s;
+
+	s = malloc(sizeof(*s));
+	if(s == nil)
+		return nil;
+	s->state[0] = strtoul(p, &p, 16);
+	s->state[1] = strtoul(p, &p, 16);
+	s->state[2] = strtoul(p, &p, 16);
+	s->state[3] = strtoul(p, &p, 16);
+	s->blen = dec64(s->buf, sizeof(s->buf), p, strlen(p));
+	s->malloced = 1;
+	s->seeded = 1;
+	return s;
+}