/********************************************************************** Copyright(c) 2011-2016 Intel Corporation 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 Intel Corporation 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 OWNER 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 UPDATE_FUNCTION #include "mh_sha1_murmur3_x64_128_internal.h" #include #define UPDATE_FUNCTION mh_sha1_murmur3_x64_128_update_base #define BLOCK_FUNCTION mh_sha1_murmur3_x64_128_block_base #define UPDATE_FUNCTION_SLVER #endif int UPDATE_FUNCTION(struct mh_sha1_murmur3_x64_128_ctx *ctx, const void *buffer, uint32_t len) { uint8_t *partial_block_buffer; uint64_t partial_block_len; uint64_t num_blocks; uint32_t(*mh_sha1_segs_digests)[HASH_SEGS]; uint8_t *aligned_frame_buffer; uint32_t *murmur3_x64_128_digest; const uint8_t *input_data = (const uint8_t *)buffer; if (ctx == NULL) return MH_SHA1_MURMUR3_CTX_ERROR_NULL; if (len == 0) return MH_SHA1_MURMUR3_CTX_ERROR_NONE; partial_block_len = ctx->total_length % MH_SHA1_BLOCK_SIZE; partial_block_buffer = ctx->partial_block_buffer; aligned_frame_buffer = (uint8_t *) ALIGN_64(ctx->frame_buffer); mh_sha1_segs_digests = (uint32_t(*)[HASH_SEGS]) ctx->mh_sha1_interim_digests; murmur3_x64_128_digest = ctx->murmur3_x64_128_digest; ctx->total_length += len; // No enough input data for mh_sha1 calculation if (len + partial_block_len < MH_SHA1_BLOCK_SIZE) { memcpy(partial_block_buffer + partial_block_len, input_data, len); return MH_SHA1_MURMUR3_CTX_ERROR_NONE; } // mh_sha1 calculation for the previous partial block if (partial_block_len != 0) { memcpy(partial_block_buffer + partial_block_len, input_data, MH_SHA1_BLOCK_SIZE - partial_block_len); //do one_block process BLOCK_FUNCTION(partial_block_buffer, mh_sha1_segs_digests, aligned_frame_buffer, murmur3_x64_128_digest, 1); input_data += MH_SHA1_BLOCK_SIZE - partial_block_len; len -= MH_SHA1_BLOCK_SIZE - partial_block_len; memset(partial_block_buffer, 0, MH_SHA1_BLOCK_SIZE); } // Calculate mh_sha1 for the current blocks num_blocks = len / MH_SHA1_BLOCK_SIZE; if (num_blocks > 0) { //do num_blocks process BLOCK_FUNCTION(input_data, mh_sha1_segs_digests, aligned_frame_buffer, murmur3_x64_128_digest, num_blocks); len -= num_blocks * MH_SHA1_BLOCK_SIZE; input_data += num_blocks * MH_SHA1_BLOCK_SIZE; } // Store the partial block if (len != 0) { memcpy(partial_block_buffer, input_data, len); } return MH_SHA1_MURMUR3_CTX_ERROR_NONE; } #ifdef UPDATE_FUNCTION_SLVER struct slver { uint16_t snum; uint8_t ver; uint8_t core; }; // Version info struct slver mh_sha1_murmur3_x64_128_update_base_slver_0000025a; struct slver mh_sha1_murmur3_x64_128_update_base_slver = { 0x025a, 0x00, 0x00 }; #endif