69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 20075, Digium, Inc.
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*
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* Kevin P. Fleming <kpfleming@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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* Wrappers for AES encryption/decryption
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*
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* \author Kevin P. Fleming <kpfleming@digium.com>
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*
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* These wrappers provided a generic interface to either the
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* AES methods provided by OpenSSL's crypto library, or the
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* AES implementation included with Asterisk.
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*/
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#ifndef _ASTERISK_AES_H
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#define _ASTERISK_AES_H
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#ifdef HAVE_CRYPTO
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/* Use the OpenSSL crypto library */
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#include "openssl/aes.h"
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typedef AES_KEY ast_aes_encrypt_key;
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typedef AES_KEY ast_aes_decrypt_key;
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#define ast_aes_encrypt_key(key, context) AES_set_encrypt_key(key, 128, context)
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#define ast_aes_decrypt_key(key, context) AES_set_decrypt_key(key, 128, context)
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#define ast_aes_encrypt(in, out, context) AES_encrypt(in, out, context)
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#define ast_aes_decrypt(in, out, context) AES_decrypt(in, out, context)
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#else /* !HAVE_CRYPTO */
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/* Use the included AES implementation */
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#define AES_128
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#include "aes_internal.h"
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typedef aes_encrypt_ctx ast_aes_encrypt_key;
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typedef aes_decrypt_ctx ast_aes_decrypt_key;
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#define ast_aes_encrypt_key(key, context) aes_encrypt_key128(key, context)
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#define ast_aes_decrypt_key(key, context) aes_decrypt_key128(key, context)
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#define ast_aes_encrypt(in, out, context) aes_encrypt(in, out, context)
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#define ast_aes_decrypt(in, out, context) aes_decrypt(in, out, context)
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#endif /* !HAVE_CRYPTO */
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#endif /* _ASTERISK_AES_H */
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