Bug 6322 - Implementation of SHA1 in Asterisk (plus dialplan function to use it)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@9138 65c4cc65-6c06-0410-ace0-fbb531ad65f3

utils.c

@@ -43,6 +43,7 @@ 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"
 
@@ -281,7 +282,7 @@ int test_for_thread_safety(void)
 	return(test_errors);          /* return 0 on success. */
 }
 
-/*! \brief ast_md5_hash: Produce 16 char MD5 hash of value. ---*/
+/*! \brief ast_md5_hash: Produce 32 char MD5 hash of value. ---*/
 void ast_md5_hash(char *output, char *input)
 {
 	struct MD5Context md5;
@@ -297,6 +298,24 @@ void ast_md5_hash(char *output, char *input)
 		ptr += sprintf(ptr, "%2.2x", digest[x]);
 }
 
+/*! \brief ast_sha1_hash: 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;