diff options
Diffstat (limited to 'third_party/libsrtp/src/crypto/include/aes_icm.h')
| -rw-r--r-- | third_party/libsrtp/src/crypto/include/aes_icm.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/third_party/libsrtp/src/crypto/include/aes_icm.h b/third_party/libsrtp/src/crypto/include/aes_icm.h new file mode 100644 index 0000000000..8ded156a29 --- /dev/null +++ b/third_party/libsrtp/src/crypto/include/aes_icm.h @@ -0,0 +1,62 @@ +/* + * aes_icm.h + * + * Header for AES Integer Counter Mode. + * + * David A. McGrew + * Cisco Systems, Inc. + * + */ + +/* + * + * Copyright (c) 2001-2017, 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 AES_ICM_H +#define AES_ICM_H + +#include "aes.h" +#include "cipher.h" + +typedef struct { + v128_t counter; /* holds the counter value */ + v128_t offset; /* initial offset value */ + v128_t keystream_buffer; /* buffers bytes of keystream */ + srtp_aes_expanded_key_t expanded_key; /* the cipher key */ + int bytes_in_buffer; /* number of unused bytes in buffer */ + int key_size; /* AES key size + 14 byte SALT */ +} srtp_aes_icm_ctx_t; + +#endif /* AES_ICM_H */ |