netwerk/srtp/src/crypto/include/null_cipher.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /*
michael@0 2 * null-cipher.h
michael@0 3 *
michael@0 4 * header file for the null cipher
michael@0 5 *
michael@0 6 *
michael@0 7 * David A. McGrew
michael@0 8 * Cisco Systems, Inc.
michael@0 9 */
michael@0 10
michael@0 11 /*
michael@0 12 *
michael@0 13 * Copyright (c) 2001-2006, Cisco Systems, Inc.
michael@0 14 * All rights reserved.
michael@0 15 *
michael@0 16 * Redistribution and use in source and binary forms, with or without
michael@0 17 * modification, are permitted provided that the following conditions
michael@0 18 * are met:
michael@0 19 *
michael@0 20 * Redistributions of source code must retain the above copyright
michael@0 21 * notice, this list of conditions and the following disclaimer.
michael@0 22 *
michael@0 23 * Redistributions in binary form must reproduce the above
michael@0 24 * copyright notice, this list of conditions and the following
michael@0 25 * disclaimer in the documentation and/or other materials provided
michael@0 26 * with the distribution.
michael@0 27 *
michael@0 28 * Neither the name of the Cisco Systems, Inc. nor the names of its
michael@0 29 * contributors may be used to endorse or promote products derived
michael@0 30 * from this software without specific prior written permission.
michael@0 31 *
michael@0 32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0 33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0 34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
michael@0 35 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
michael@0 36 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
michael@0 37 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
michael@0 38 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
michael@0 39 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
michael@0 40 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
michael@0 41 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
michael@0 42 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
michael@0 43 * OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0 44 *
michael@0 45 */
michael@0 46
michael@0 47
michael@0 48 #ifndef NULL_CIPHER_H
michael@0 49 #define NULL_CIPHER_H
michael@0 50
michael@0 51 #include "datatypes.h"
michael@0 52 #include "cipher.h"
michael@0 53
michael@0 54 typedef struct {
michael@0 55 char foo ;/* empty, for now */
michael@0 56 } null_cipher_ctx_t;
michael@0 57
michael@0 58
michael@0 59 /*
michael@0 60 * none of these functions do anything (though future versions may keep
michael@0 61 * track of bytes encrypted, number of instances, and/or other info).
michael@0 62 */
michael@0 63
michael@0 64 err_status_t
michael@0 65 null_cipher_init(null_cipher_ctx_t *c, const uint8_t *key, int key_len);
michael@0 66
michael@0 67 err_status_t
michael@0 68 null_cipher_set_segment(null_cipher_ctx_t *c,
michael@0 69 unsigned long segment_index);
michael@0 70
michael@0 71 err_status_t
michael@0 72 null_cipher_encrypt(null_cipher_ctx_t *c,
michael@0 73 unsigned char *buf, unsigned int *bytes_to_encr);
michael@0 74
michael@0 75
michael@0 76 err_status_t
michael@0 77 null_cipher_encrypt_aligned(null_cipher_ctx_t *c,
michael@0 78 unsigned char *buf, int bytes_to_encr);
michael@0 79
michael@0 80 #endif /* NULL_CIPHER_H */

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