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-rw-r--r--meta/recipes-devtools/shasum/files/main.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/meta/recipes-devtools/shasum/files/main.c b/meta/recipes-devtools/shasum/files/main.c
new file mode 100644
index 0000000000..0748a94f3a
--- /dev/null
+++ b/meta/recipes-devtools/shasum/files/main.c
@@ -0,0 +1,60 @@
1#include <stdio.h>
2#include <stdlib.h>
3
4#include "mhash_sha256.h"
5
6/*
7 * from driver.c of mhash
8 */
9static const char hexconvtab[] = "0123456789abcdef";
10
11static char *
12bin2hex(const unsigned char *old, const size_t oldlen, size_t * newlen)
13{
14 unsigned char *new = NULL;
15 int i, j;
16
17 new = (char *) malloc(oldlen * 2 * sizeof(char) + 1);
18 if (!new)
19 return (new);
20
21 for (i = j = 0; i < oldlen; i++) {
22 new[j++] = hexconvtab[old[i] >> 4];
23 new[j++] = hexconvtab[old[i] & 15];
24 }
25 new[j] = '\0';
26
27 if (newlen)
28 *newlen = oldlen * 2 * sizeof(char);
29
30 return (new);
31}
32
33
34int main(int argc, char** argv)
35{
36 FILE *file;
37 size_t n;
38 SHA256_CTX ctx;
39 unsigned char buf[1024];
40 byte output[33];
41
42 if ( argc <= 1 ) {
43 return EXIT_FAILURE;
44 }
45
46 if ( (file=fopen(argv[1], "rb")) == NULL ) {
47 return EXIT_FAILURE;
48 }
49
50 sha256_init(&ctx);
51
52 while ( (n=fread( buf, 1, sizeof(buf), file)) > 0 )
53 sha256_update(&ctx, buf, n );
54
55 sha256_final(&ctx);
56 sha256_digest(&ctx, output);
57
58 printf("%s ?%s\n", bin2hex(output, 32, &n), argv[1]);
59 return EXIT_SUCCESS;
60}