From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- third_party/libsrtp/src/crypto/include/aes.h | 83 ++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 third_party/libsrtp/src/crypto/include/aes.h (limited to 'third_party/libsrtp/src/crypto/include/aes.h') diff --git a/third_party/libsrtp/src/crypto/include/aes.h b/third_party/libsrtp/src/crypto/include/aes.h new file mode 100644 index 0000000000..779c3ac744 --- /dev/null +++ b/third_party/libsrtp/src/crypto/include/aes.h @@ -0,0 +1,83 @@ +/* + * aes.h + * + * header file for the AES block cipher + * + * 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_H +#define AES_H + +#include "datatypes.h" +#include "err.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* aes internals */ + +typedef struct { + v128_t round[15]; + int num_rounds; +} srtp_aes_expanded_key_t; + +srtp_err_status_t srtp_aes_expand_encryption_key( + const uint8_t *key, + int key_len, + srtp_aes_expanded_key_t *expanded_key); + +srtp_err_status_t srtp_aes_expand_decryption_key( + const uint8_t *key, + int key_len, + srtp_aes_expanded_key_t *expanded_key); + +void srtp_aes_encrypt(v128_t *plaintext, + const srtp_aes_expanded_key_t *exp_key); + +void srtp_aes_decrypt(v128_t *plaintext, + const srtp_aes_expanded_key_t *exp_key); + +#ifdef __cplusplus +} +#endif + +#endif /* AES_H */ -- cgit v1.2.3