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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/crypto/isa-l/isa-l_crypto/mh_sha1_murmur3_x64_128/murmur3_x64_128.c | |
parent | Initial commit. (diff) | |
download | ceph-6d07fdb6bb33b1af39833b850bb6cf8af79fe293.tar.xz ceph-6d07fdb6bb33b1af39833b850bb6cf8af79fe293.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/crypto/isa-l/isa-l_crypto/mh_sha1_murmur3_x64_128/murmur3_x64_128.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/crypto/isa-l/isa-l_crypto/mh_sha1_murmur3_x64_128/murmur3_x64_128.c b/src/crypto/isa-l/isa-l_crypto/mh_sha1_murmur3_x64_128/murmur3_x64_128.c new file mode 100644 index 000000000..75c3d90b5 --- /dev/null +++ b/src/crypto/isa-l/isa-l_crypto/mh_sha1_murmur3_x64_128/murmur3_x64_128.c @@ -0,0 +1,78 @@ +/********************************************************************** + 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. +**********************************************************************/ + +#include <stdlib.h> // for NULL +#include "murmur3_x64_128_internal.c" +/******************************************************************* + * Single API which can calculate murmur3 + ******************************************************************/ +/** + * @brief Get the digest of murmur3_x64_128 through a single API. + * + * Using murmur3_x64_128_block and murmur3_x64_128_tail. + * Used to test the murmur3_x64_128 digest. + * + * @param buffer Pointer to buffer to be processed + * @param len Length of buffer (in bytes) to be processed + * @param murmur_seed Seed as an initial digest of murmur3 + * @param murmur3_x64_128_digest The digest of murmur3_x64_128 + * @returns none + * + */ +void murmur3_x64_128(const void *buffer, uint32_t len, uint64_t murmur_seed, + uint32_t * murmur3_x64_128_digest) +{ + uint64_t *murmur3_x64_128_hash; + uint32_t murmur3_x64_128_hash_dword[4]; + uint8_t *tail_buffer; + const uint8_t *input_data = (const uint8_t *)buffer; + + // Initiate murmur3 + murmur3_x64_128_hash = (uint64_t *) murmur3_x64_128_hash_dword; + murmur3_x64_128_hash[0] = murmur_seed; + murmur3_x64_128_hash[1] = murmur_seed; + + // process bodies + murmur3_x64_128_block((uint8_t *) input_data, len / MUR_BLOCK_SIZE, + murmur3_x64_128_hash_dword); + + // process finalize + tail_buffer = (uint8_t *) input_data + len - len % MUR_BLOCK_SIZE; + murmur3_x64_128_tail(tail_buffer, len, murmur3_x64_128_hash_dword); + + // output the digests + if (murmur3_x64_128_digest != NULL) { + murmur3_x64_128_digest[0] = murmur3_x64_128_hash_dword[0]; + murmur3_x64_128_digest[1] = murmur3_x64_128_hash_dword[1]; + murmur3_x64_128_digest[2] = murmur3_x64_128_hash_dword[2]; + murmur3_x64_128_digest[3] = murmur3_x64_128_hash_dword[3]; + } + + return; +} |