1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/netwerk/srtp/src/crypto/include/aes_icm.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,92 @@
1.4 +/*
1.5 + * aes_icm.h
1.6 + *
1.7 + * Header for AES Integer Counter Mode.
1.8 + *
1.9 + * David A. McGrew
1.10 + * Cisco Systems, Inc.
1.11 + *
1.12 + */
1.13 +/*
1.14 + *
1.15 + * Copyright (c) 2001-2006, Cisco Systems, Inc.
1.16 + * All rights reserved.
1.17 + *
1.18 + * Redistribution and use in source and binary forms, with or without
1.19 + * modification, are permitted provided that the following conditions
1.20 + * are met:
1.21 + *
1.22 + * Redistributions of source code must retain the above copyright
1.23 + * notice, this list of conditions and the following disclaimer.
1.24 + *
1.25 + * Redistributions in binary form must reproduce the above
1.26 + * copyright notice, this list of conditions and the following
1.27 + * disclaimer in the documentation and/or other materials provided
1.28 + * with the distribution.
1.29 + *
1.30 + * Neither the name of the Cisco Systems, Inc. nor the names of its
1.31 + * contributors may be used to endorse or promote products derived
1.32 + * from this software without specific prior written permission.
1.33 + *
1.34 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.35 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.36 + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
1.37 + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
1.38 + * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
1.39 + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
1.40 + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
1.41 + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.42 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
1.43 + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.44 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
1.45 + * OF THE POSSIBILITY OF SUCH DAMAGE.
1.46 + *
1.47 + */
1.48 +
1.49 +#ifndef AES_ICM_H
1.50 +#define AES_ICM_H
1.51 +
1.52 +#include "aes.h"
1.53 +#include "cipher.h"
1.54 +
1.55 +typedef struct {
1.56 + v128_t counter; /* holds the counter value */
1.57 + v128_t offset; /* initial offset value */
1.58 + v128_t keystream_buffer; /* buffers bytes of keystream */
1.59 + aes_expanded_key_t expanded_key; /* the cipher key */
1.60 + int bytes_in_buffer; /* number of unused bytes in buffer */
1.61 +} aes_icm_ctx_t;
1.62 +
1.63 +
1.64 +err_status_t
1.65 +aes_icm_context_init(aes_icm_ctx_t *c,
1.66 + const unsigned char *key,
1.67 + int key_len);
1.68 +
1.69 +err_status_t
1.70 +aes_icm_set_iv(aes_icm_ctx_t *c, void *iv);
1.71 +
1.72 +err_status_t
1.73 +aes_icm_encrypt(aes_icm_ctx_t *c,
1.74 + unsigned char *buf, unsigned int *bytes_to_encr);
1.75 +
1.76 +err_status_t
1.77 +aes_icm_output(aes_icm_ctx_t *c,
1.78 + unsigned char *buf, int bytes_to_output);
1.79 +
1.80 +err_status_t
1.81 +aes_icm_dealloc(cipher_t *c);
1.82 +
1.83 +err_status_t
1.84 +aes_icm_encrypt_ismacryp(aes_icm_ctx_t *c,
1.85 + unsigned char *buf,
1.86 + unsigned int *enc_len,
1.87 + int forIsmacryp);
1.88 +
1.89 +err_status_t
1.90 +aes_icm_alloc_ismacryp(cipher_t **c,
1.91 + int key_len,
1.92 + int forIsmacryp);
1.93 +
1.94 +#endif /* AES_ICM_H */
1.95 +
