1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/netwerk/srtp/src/crypto/include/null_cipher.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,80 @@
1.4 +/*
1.5 + * null-cipher.h
1.6 + *
1.7 + * header file for the null cipher
1.8 + *
1.9 + *
1.10 + * David A. McGrew
1.11 + * Cisco Systems, Inc.
1.12 + */
1.13 +
1.14 +/*
1.15 + *
1.16 + * Copyright (c) 2001-2006, Cisco Systems, Inc.
1.17 + * All rights reserved.
1.18 + *
1.19 + * Redistribution and use in source and binary forms, with or without
1.20 + * modification, are permitted provided that the following conditions
1.21 + * are met:
1.22 + *
1.23 + * Redistributions of source code must retain the above copyright
1.24 + * notice, this list of conditions and the following disclaimer.
1.25 + *
1.26 + * Redistributions in binary form must reproduce the above
1.27 + * copyright notice, this list of conditions and the following
1.28 + * disclaimer in the documentation and/or other materials provided
1.29 + * with the distribution.
1.30 + *
1.31 + * Neither the name of the Cisco Systems, Inc. nor the names of its
1.32 + * contributors may be used to endorse or promote products derived
1.33 + * from this software without specific prior written permission.
1.34 + *
1.35 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.36 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.37 + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
1.38 + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
1.39 + * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
1.40 + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
1.41 + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
1.42 + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.43 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
1.44 + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.45 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
1.46 + * OF THE POSSIBILITY OF SUCH DAMAGE.
1.47 + *
1.48 + */
1.49 +
1.50 +
1.51 +#ifndef NULL_CIPHER_H
1.52 +#define NULL_CIPHER_H
1.53 +
1.54 +#include "datatypes.h"
1.55 +#include "cipher.h"
1.56 +
1.57 +typedef struct {
1.58 + char foo ;/* empty, for now */
1.59 +} null_cipher_ctx_t;
1.60 +
1.61 +
1.62 +/*
1.63 + * none of these functions do anything (though future versions may keep
1.64 + * track of bytes encrypted, number of instances, and/or other info).
1.65 + */
1.66 +
1.67 +err_status_t
1.68 +null_cipher_init(null_cipher_ctx_t *c, const uint8_t *key, int key_len);
1.69 +
1.70 +err_status_t
1.71 +null_cipher_set_segment(null_cipher_ctx_t *c,
1.72 + unsigned long segment_index);
1.73 +
1.74 +err_status_t
1.75 +null_cipher_encrypt(null_cipher_ctx_t *c,
1.76 + unsigned char *buf, unsigned int *bytes_to_encr);
1.77 +
1.78 +
1.79 +err_status_t
1.80 +null_cipher_encrypt_aligned(null_cipher_ctx_t *c,
1.81 + unsigned char *buf, int bytes_to_encr);
1.82 +
1.83 +#endif /* NULL_CIPHER_H */
