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Diffstat (limited to 'third_party/libsrtp/src/crypto/include/crypto_types.h')
| -rw-r--r-- | third_party/libsrtp/src/crypto/include/crypto_types.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/third_party/libsrtp/src/crypto/include/crypto_types.h b/third_party/libsrtp/src/crypto/include/crypto_types.h new file mode 100644 index 0000000000..7fd3178b0b --- /dev/null +++ b/third_party/libsrtp/src/crypto/include/crypto_types.h @@ -0,0 +1,116 @@ +/* + * crypto_types.h + * + * constants for cipher types and auth func types + * + * 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 SRTP_CRYPTO_TYPES_H +#define SRTP_CRYPTO_TYPES_H + +/* + * The null cipher performs no encryption. + * + * The SRTP_NULL_CIPHER leaves its inputs unaltered, during both the + * encryption and decryption operations. This cipher can be chosen + * to indicate that no encryption is to be performed. + */ +#define SRTP_NULL_CIPHER 0 + +/* + * AES-128 Integer Counter Mode (AES ICM) + * + * AES-128 ICM is the variant of counter mode that is used by + * Secure RTP. This cipher uses a 16-octet key concatenated with a + * 14-octet offset (or salt) value. + */ +#define SRTP_AES_ICM_128 1 + +/* + * AES-192 Integer Counter Mode (AES ICM) + * + * AES-128 ICM is the variant of counter mode that is used by + * Secure RTP. This cipher uses a 24-octet key concatenated with a + * 14-octet offset (or salt) value. + */ +#define SRTP_AES_ICM_192 4 + +/* + * AES-256 Integer Counter Mode (AES ICM) + * + * AES-128 ICM is the variant of counter mode that is used by + * Secure RTP. This cipher uses a 32-octet key concatenated with a + * 14-octet offset (or salt) value. + */ +#define SRTP_AES_ICM_256 5 + +/* + * AES-128_GCM Galois Counter Mode (AES GCM) + * + * AES-128 GCM is the variant of galois counter mode that is used by + * Secure RTP. This cipher uses a 16-octet key. + */ +#define SRTP_AES_GCM_128 6 + +/* + * AES-256_GCM Galois Counter Mode (AES GCM) + * + * AES-256 GCM is the variant of galois counter mode that is used by + * Secure RTP. This cipher uses a 32-octet key. + */ +#define SRTP_AES_GCM_256 7 + +/* + * The null authentication function performs no authentication. + * + * The NULL_AUTH function does nothing, and can be selected to indicate + * that authentication should not be performed. + */ +#define SRTP_NULL_AUTH 0 + +/* + * HMAC-SHA1 + * + * SRTP_HMAC_SHA1 implements the Hash-based MAC using the NIST Secure + * Hash Algorithm version 1 (SHA1). + */ +#define SRTP_HMAC_SHA1 3 + +#endif /* SRTP_CRYPTO_TYPES_H */ |