lib/srutils: new files with wrappers around sha256 and other hashing functions

lib/srutils/shautils.c

@@ -0,0 +1,63 @@
+/*
+ * sha and other hashing utilities
+ *
+ * Copyright (C) 2014 1&1 Germany
+ *
+ * This file is part of Kamailio, a free SIP server.
+ *
+ * Kamailio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version
+ *
+ * Kamailio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License 
+ * along with this program; if not, write to the Free Software 
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "../../md5.h"
+#include "../../ut.h"
+#include "shautils.h"
+
+/*! \brief Compute MD5 checksum */
+void compute_md5(char *dst, char *src, int src_len)
+{
+	MD5_CTX context;
+	unsigned char digest[16];
+	MD5Init (&context);
+  	MD5Update (&context, src, src_len);
+	U_MD5Final (digest, &context);
+	string2hex(digest, 16, dst);
+}
+
+/*! \brief Compute SHA256 checksum */
+void compute_sha256(char *dst, u_int8_t *src, int src_len)
+{
+	SHA256_CTX ctx256;
+	SHA256_Init(&ctx256);
+	SHA256_Update(&ctx256, src, src_len);
+	SHA256_End(&ctx256, dst);
+}
+
+/*! \brief Compute SHA384 checksum */
+void compute_sha384(char *dst, u_int8_t *src, int src_len)
+{
+	SHA384_CTX ctx384;
+	SHA384_Init(&ctx384);
+	SHA384_Update(&ctx384, src, src_len);
+	SHA384_End(&ctx384, dst);
+}
+
+/*! \brief Compute SHA512 checksum */
+void compute_sha512(char *dst, u_int8_t *src, int src_len)
+{
+	SHA512_CTX ctx512;
+	SHA512_Init(&ctx512);
+	SHA512_Update(&ctx512, src, src_len);
+	SHA512_End(&ctx512, dst);
+}

lib/srutils/shautils.h

@@ -0,0 +1,36 @@
+/*
+ * sha and other hashing utilities
+ *
+ * Copyright (C) 2014 1&1 Germany
+ *
+ * This file is part of Kamailio, a free SIP server.
+ *
+ * Kamailio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version
+ *
+ * Kamailio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License 
+ * along with this program; if not, write to the Free Software 
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef _SHAUTILS_H_
+#define _SHAUTILS_H_
+
+#include "sha256.h"
+
+void compute_md5(char *dst, char *src, int src_len);
+
+void compute_sha256(char *dst, u_int8_t *src, int src_len);
+
+void compute_sha384(char *dst, u_int8_t *src, int src_len);
+
+void compute_sha512(char *dst, u_int8_t *src, int src_len);
+
+#endif