1 files changed, 59 insertions, 0 deletions
diff --git a/Source/lib/crypto/signers/signer.c b/Source/lib/crypto/signers/signer.c
new file mode 100644
index 000000000..3e6378957
--- /dev/null
+++ b/Source/lib/crypto/signers/signer.c
@@ -0,0 +1,59 @@
+/**
+ * @file signer.c
+ * 
+ * @brief Implementation of generic signer_t constructor.
+ * 
+ */
+
+/*
+ * Copyright (C) 2005 Jan Hutter, Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+#include "signer.h"
+
+#include <crypto/signers/hmac_signer.h>
+
+/** 
+ * String mappings for integrity_algorithm_t.
+ */
+mapping_t integrity_algorithm_m[] = {
+	{AUTH_UNDEFINED, "AUTH_UNDEFINED"},
+	{AUTH_HMAC_MD5_96, "AUTH_HMAC_MD5_96"},
+	{AUTH_HMAC_SHA1_96, "AUTH_HMAC_SHA1_96"},
+	{AUTH_DES_MAC, "AUTH_DES_MAC"},
+	{AUTH_KPDK_MD5, "AUTH_KPDK_MD5"},
+	{AUTH_AES_XCBC_96, "AUTH_AES_XCBC_96"},
+	{MAPPING_END, NULL}
+};
+
+
+/*
+ * Described in header.
+ */
+signer_t *signer_create(integrity_algorithm_t integrity_algorithm)
+{
+	switch(integrity_algorithm)
+	{
+		case AUTH_HMAC_SHA1_96:
+		{
+			return ((signer_t *) hmac_signer_create(HASH_SHA1));
+		}
+		case AUTH_HMAC_MD5_96:
+		{
+			return ((signer_t *) hmac_signer_create(HASH_MD5));
+		}
+		default:
+			return NULL;
+	}
+}