diff options
Diffstat (limited to 'meta/recipes-devtools/shasum/files/main.c')
-rw-r--r-- | meta/recipes-devtools/shasum/files/main.c | 60 |
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 | */ | ||
9 | static const char hexconvtab[] = "0123456789abcdef"; | ||
10 | |||
11 | static char * | ||
12 | bin2hex(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 | |||
34 | int 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 | } | ||