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Diffstat (limited to 'srtp/crypto/include/cryptoalg.h')
| -rw-r--r-- | srtp/crypto/include/cryptoalg.h | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/srtp/crypto/include/cryptoalg.h b/srtp/crypto/include/cryptoalg.h deleted file mode 100644 index d9f0441..0000000 --- a/srtp/crypto/include/cryptoalg.h +++ /dev/null @@ -1,133 +0,0 @@ -/* - * cryptoalg.h - * - * API for authenticated encryption crypto algorithms - * - * David A. McGrew - * Cisco Systems, Inc. - */ -/* - * - * Copyright (c) 2001-2006 Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials provided - * with the distribution. - * - * Neither the name of the Cisco Systems, Inc. nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#ifndef CRYPTOALG_H -#define CRYPTOALG_H - -#include "err.h" - -/** - * @defgroup Crypto Cryptography - * - * Zed uses a simple interface to a cryptographic transform. - * - * @{ - */ - -/** - * @brief applies a crypto algorithm - * - * The function pointer cryptoalg_func_t points to a function that - * implements a crypto transform, and provides a uniform API for - * accessing crypto mechanisms. - * - * @param key location of secret key - * - * @param clear data to be authenticated but not encrypted - * - * @param clear_len length of data to be authenticated but not encrypted - * - * @param iv location to write the Initialization Vector (IV) - * - * @param protect location of the data to be encrypted and - * authenticated (before the function call), and the ciphertext - * and authentication tag (after the call) - * - * @param protected_len location of the length of the data to be - * encrypted and authenticated (before the function call), and the - * length of the ciphertext (after the call) - * - */ - -typedef err_status_t (*cryptoalg_func_t) - (void *key, - const void *clear, - unsigned clear_len, - void *iv, - void *protect, - unsigned *protected_len); - -typedef -err_status_t (*cryptoalg_inv_t) - (void *key, /* location of secret key */ - const void *clear, /* data to be authenticated only */ - unsigned clear_len, /* length of data to be authenticated only */ - void *iv, /* location of iv */ - void *opaque, /* data to be decrypted and authenticated */ - unsigned *opaque_len /* location of the length of data to be - * decrypted and authd (before and after) - */ - ); - -typedef struct cryptoalg_ctx_t { - cryptoalg_func_t enc; - cryptoalg_inv_t dec; - unsigned key_len; - unsigned iv_len; - unsigned auth_tag_len; - unsigned max_expansion; -} cryptoalg_ctx_t; - -typedef cryptoalg_ctx_t *cryptoalg_t; - -#define cryptoalg_get_key_len(cryptoalg) ((cryptoalg)->key_len) - -#define cryptoalg_get_iv_len(cryptoalg) ((cryptoalg)->iv_len) - -#define cryptoalg_get_auth_tag_len(cryptoalg) ((cryptoalg)->auth_tag_len) - -int -cryptoalg_get_id(cryptoalg_t c); - -cryptoalg_t -cryptoalg_find_by_id(int id); - - -/** - * @} - */ - -#endif /* CRYPTOALG_H */ - - |