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Diffstat (limited to 'srtp/crypto/include/sha1.h')
-rw-r--r-- | srtp/crypto/include/sha1.h | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/srtp/crypto/include/sha1.h b/srtp/crypto/include/sha1.h deleted file mode 100644 index e3af4d4..0000000 --- a/srtp/crypto/include/sha1.h +++ /dev/null @@ -1,108 +0,0 @@ -/* - * sha1.h - * - * interface to the Secure Hash Algorithm v.1 (SHA-1), specified in - * FIPS 180-1 - * - * David A. McGrew - * Cisco Systems, Inc. - */ - -/* - * - * Copyright (c) 2001-2006, 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 SHA1_H -#define SHA1_H - -#include "err.h" -#include "datatypes.h" - -typedef struct { - uint32_t H[5]; /* state vector */ - uint32_t M[16]; /* message buffer */ - int octets_in_buffer; /* octets of message in buffer */ - uint32_t num_bits_in_msg; /* total number of bits in message */ -} sha1_ctx_t; - -/* - * sha1(&ctx, msg, len, output) hashes the len octets starting at msg - * into the SHA1 context, then writes the result to the 20 octets at - * output - * - */ - -void -sha1(const uint8_t *message, int octets_in_msg, uint32_t output[5]); - -/* - * sha1_init(&ctx) initializes the SHA1 context ctx - * - * sha1_update(&ctx, msg, len) hashes the len octets starting at msg - * into the SHA1 context - * - * sha1_final(&ctx, output) performs the final processing of the SHA1 - * context and writes the result to the 20 octets at output - * - */ - -void -sha1_init(sha1_ctx_t *ctx); - -void -sha1_update(sha1_ctx_t *ctx, const uint8_t *M, int octets_in_msg); - -void -sha1_final(sha1_ctx_t *ctx, uint32_t output[5]); - -/* - * The sha1_core function is INTERNAL to SHA-1, but it is declared - * here because it is also used by the cipher SEAL 3.0 in its key - * setup algorithm. - */ - -/* - * sha1_core(M, H) computes the core sha1 compression function, where M is - * the next part of the message and H is the intermediate state {H0, - * H1, ...} - * - * this function does not do any of the padding required in the - * complete sha1 function - */ - -void -sha1_core(const uint32_t M[16], uint32_t hash_value[5]); - -#endif /* SHA1_H */ |