1 files changed, 73 insertions, 0 deletions
diff --git a/src/openvpn/crypto_openssl.h b/src/openvpn/crypto_openssl.h
new file mode 100644
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+++ b/src/openvpn/crypto_openssl.h
@@ -0,0 +1,73 @@
+/*
+ *  OpenVPN -- An application to securely tunnel IP networks
+ *             over a single TCP/UDP port, with support for SSL/TLS-based
+ *             session authentication and key exchange,
+ *             packet encryption, packet authentication, and
+ *             packet compression.
+ *
+ *  Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ *  Copyright (C) 2010 Fox Crypto B.V. <openvpn@fox-it.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  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.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/**
+ * @file Data Channel Cryptography OpenSSL-specific backend interface
+ */
+
+#ifndef CRYPTO_OPENSSL_H_
+#define CRYPTO_OPENSSL_H_
+
+#include <openssl/evp.h>
+#include <openssl/hmac.h>
+#include <openssl/md5.h>
+
+/** Generic cipher key type %context. */
+typedef EVP_CIPHER cipher_kt_t;
+
+/** Generic message digest key type %context. */
+typedef EVP_MD md_kt_t;
+
+/** Generic cipher %context. */
+typedef EVP_CIPHER_CTX cipher_ctx_t;
+
+/** Generic message digest %context. */
+typedef EVP_MD_CTX md_ctx_t;
+
+/** Generic HMAC %context. */
+typedef HMAC_CTX hmac_ctx_t;
+
+/** Maximum length of an IV */
+#define OPENVPN_MAX_IV_LENGTH 	EVP_MAX_IV_LENGTH
+
+/** Cipher is in CBC mode */
+#define OPENVPN_MODE_CBC 	EVP_CIPH_CBC_MODE
+
+/** Cipher is in OFB mode */
+#define OPENVPN_MODE_OFB	EVP_CIPH_OFB_MODE
+
+/** Cipher is in CFB mode */
+#define OPENVPN_MODE_CFB 	EVP_CIPH_CFB_MODE
+
+/** Cipher should encrypt */
+#define OPENVPN_OP_ENCRYPT 	1
+
+/** Cipher should decrypt */
+#define OPENVPN_OP_DECRYPT 	0
+
+#define DES_KEY_LENGTH 8
+#define MD4_DIGEST_LENGTH 	16
+
+#endif /* CRYPTO_OPENSSL_H_ */