1 #include "stdinc.h"
2 #include "dat.h"
3 #include "fns.h"
4 
5 u8int zeroscore[VtScoreSize];
6 
7 void
8 scoremem(u8int *score, u8int *buf, int n)
9 {
10 	DigestState s;
11 
12 	memset(&s, 0, sizeof s);
13 	sha1(buf, n, score, &s);
14 }
15 
16 static int
17 hexv(int c)
18 {
19 	if(c >= '0' && c <= '9')
20 		return c - '0';
21 	if(c >= 'a' && c <= 'f')
22 		return c - 'a' + 10;
23 	if(c >= 'A' && c <= 'F')
24 		return c - 'A' + 10;
25 	return -1;
26 }
27 
28 int
29 strscore(char *s, u8int *score)
30 {
31 	int i, c, d;
32 
33 	for(i = 0; i < VtScoreSize; i++){
34 		c = hexv(s[2 * i]);
35 		if(c < 0)
36 			return -1;
37 		d = hexv(s[2 * i + 1]);
38 		if(d < 0)
39 			return -1;
40 		score[i] = (c << 4) + d;
41 	}
42 	return s[2 * i] == '\0';
43 }