1
2 #include <sys/cdefs.h>
3 #include <stand.h>
4 #include <sys/sha1.h>
5
6 #include <bootstrap.h>
7
8 void
sha1(void * data,size_t size,uint8_t * result)9 sha1(void *data, size_t size, uint8_t *result)
10 {
11 SHA1_CTX sha1_ctx;
12
13 SHA1Init(&sha1_ctx);
14 SHA1Update(&sha1_ctx, data, size);
15 SHA1Final(result, &sha1_ctx);
16 }
17
18 static int
command_sha1(int argc,char ** argv)19 command_sha1(int argc, char **argv)
20 {
21 void *ptr;
22 size_t size, i;
23 uint8_t resultbuf[SHA1_DIGEST_LENGTH];
24
25 /*
26 * usage: address size
27 */
28 if (argc != 3) {
29 command_errmsg = "usage: address size";
30 return (CMD_ERROR);
31 }
32
33 ptr = (void *)(uintptr_t)strtol(argv[1], NULL, 0);
34 size = strtol(argv[2], NULL, 0);
35 sha1(ptr, size, resultbuf);
36
37 for (i = 0; i < SHA1_DIGEST_LENGTH; i++)
38 printf("%02x", resultbuf[i]);
39 printf("\n");
40 return (CMD_OK);
41 }
42
43 COMMAND_SET(sha1, "sha1", "print the sha1 checksum", command_sha1);
44