added support for 3DES encryption algorithm in IKE

src/libstrongswan/crypto/crypters/crypter.c

@@ -25,6 +25,7 @@
 #include "crypter.h"
 
 #include <crypto/crypters/aes_cbc_crypter.h>
+#include <crypto/crypters/des_crypter.h>
 
 
 /** 
@@ -58,6 +59,11 @@ crypter_t *crypter_create(encryption_algorithm_t encryption_algorithm, size_t ke
 		{
 			return (crypter_t*)aes_cbc_crypter_create(key_size);
 		}
+		case ENCR_DES:
+		case ENCR_3DES:
+		{
+			return (crypter_t*)des_crypter_create(encryption_algorithm);
+		}
 		default:
 			return NULL;
 	}