From 20093245e320b661f949ca1bfb49d05a53f80aee Mon Sep 17 00:00:00 2001
From: Richard Purdie <richard@openedhand.com>
Date: Wed, 8 Aug 2007 21:06:01 +0000
Subject: Add shasum (from OE)

git-svn-id: https://svn.o-hand.com/repos/poky/trunk@2412 311d38ba-8fff-0310-9ca6-ca027cbcb966
---
 meta/packages/shasum/files/main.c | 60 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 meta/packages/shasum/files/main.c

(limited to 'meta/packages/shasum/files/main.c')

diff --git a/meta/packages/shasum/files/main.c b/meta/packages/shasum/files/main.c
new file mode 100644
index 000000000..0748a94f3
--- /dev/null
+++ b/meta/packages/shasum/files/main.c
@@ -0,0 +1,60 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "mhash_sha256.h"
+
+/*
+ * from driver.c of mhash
+ */
+static const char hexconvtab[] = "0123456789abcdef";
+
+static char *
+bin2hex(const unsigned char *old, const size_t oldlen, size_t * newlen)
+{
+    unsigned char *new = NULL;
+    int i, j;
+
+    new = (char *) malloc(oldlen * 2 * sizeof(char) + 1);
+    if (!new)
+        return (new);
+
+    for (i = j = 0; i < oldlen; i++) {
+        new[j++] = hexconvtab[old[i] >> 4];
+        new[j++] = hexconvtab[old[i] & 15];
+    }
+    new[j] = '\0';
+
+    if (newlen)
+        *newlen = oldlen * 2 * sizeof(char);
+
+    return (new);
+}
+
+
+int main(int argc, char** argv)
+{
+    FILE *file;
+    size_t n;
+    SHA256_CTX ctx;
+    unsigned char buf[1024];
+    byte output[33];
+
+    if ( argc <= 1 ) {
+        return EXIT_FAILURE;
+    }
+
+    if ( (file=fopen(argv[1], "rb")) == NULL ) {
+        return EXIT_FAILURE;
+    }
+
+    sha256_init(&ctx);
+
+    while ( (n=fread( buf, 1, sizeof(buf), file)) > 0 )
+        sha256_update(&ctx, buf, n );
+
+    sha256_final(&ctx);
+    sha256_digest(&ctx, output);
+
+    printf("%s ?%s\n", bin2hex(output, 32, &n), argv[1]);
+    return EXIT_SUCCESS;
+}
-- 
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