Merge code associated with AST-2009-006

(closes issue #12912)
Reported by: rathaus
Tested by: tilghman, russell, dvossel, dbrooks



git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.2@215958 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 19 insertions, 0 deletions

diff --git a/utils.c b/utils.c
index 7dc020c83..a284a937d 100644
--- a/utils.c
+++ b/utils.c
@@ -45,6 +45,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/io.h"
 #include "asterisk/logger.h"
 #include "asterisk/md5.h"
+#include "asterisk/sha1.h"
 #include "asterisk/options.h"
 #include "asterisk/compat.h"
 
@@ -297,6 +298,24 @@ void ast_md5_hash(char *output, char *input)
 		ptr += sprintf(ptr, "%2.2x", digest[x]);
 }
 
+/*! \brief Produce 40 char SHA1 hash of value. */
+void ast_sha1_hash(char *output, char *input)
+{
+	struct SHA1Context sha;
+	char *ptr;
+	int x;
+	uint8_t Message_Digest[20];
+
+	SHA1Reset(&sha);
+	
+	SHA1Input(&sha, (const unsigned char *) input, strlen(input));
+
+	SHA1Result(&sha, Message_Digest);
+	ptr = output;
+	for (x = 0; x < 20; x++)
+		ptr += sprintf(ptr, "%2.2x", Message_Digest[x]);
+}
+
 int ast_base64decode(unsigned char *dst, const char *src, int max)
 {
 	int cnt = 0;