mirror of
https://github.com/cryb-to/cryb-to.git
synced 2024-12-22 12:31:07 +00:00
Add a library of general (non-cryptographic) hash functions, currently
consisting of the Pearson string hash function and the Murmur3-32 hash function.
This commit is contained in:
Dag-Erling Smørgrav
des
parent
541d65a3cc
commit
0023f57ab5
10 changed files with 597 additions and 0 deletions
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@ -121,6 +121,7 @@ AC_CONFIG_FILES([
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lib/core/Makefile
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lib/digest/Makefile
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lib/enc/Makefile
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lib/hash/Makefile
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lib/mac/Makefile
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lib/oath/Makefile
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lib/rand/Makefile
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@ -7,6 +7,7 @@ cryb_HEADERS = \
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attributes.h \
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bitwise.h \
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digest.h \
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hash.h \
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hmac.h \
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hmac_sha1.h \
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hmac_sha224.h \
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41
include/cryb/hash.h
Normal file
41
include/cryb/hash.h
Normal file
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@ -0,0 +1,41 @@
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/*-
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* Copyright (c) 2014 Dag-Erling Smørgrav
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef CRYB_HASH_H_INCLUDED
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#define CRYB_HASH_H_INCLUDED
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#define pearson_hash cryb_pearson_hash
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#define pearson_hash_str cryb_pearson_hash_str
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#define murmur3_32_hash cryb_murmur3_32_hash
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uint8_t pearson_hash(const void *, size_t len);
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uint8_t pearson_hash_str(const char *);
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uint32_t murmur3_32_hash(const void *, size_t, uint32_t);
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#endif
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@ -4,6 +4,7 @@ SUBDIRS = \
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core \
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digest \
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enc \
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hash \
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mac \
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rand \
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oath
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9
lib/hash/Makefile.am
Normal file
9
lib/hash/Makefile.am
Normal file
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@ -0,0 +1,9 @@
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# $Cryb$
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AM_CPPFLAGS = -I$(top_srcdir)/include
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lib_LTLIBRARIES = libcryb-hash.la
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libcryb_hash_la_SOURCES = \
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murmur3_32.c \
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pearson.c
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110
lib/hash/murmur3_32.c
Normal file
110
lib/hash/murmur3_32.c
Normal file
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@ -0,0 +1,110 @@
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/*-
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* Copyright (c) 2014 Dag-Erling Smørgrav
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "cryb/impl.h"
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#ifdef HAVE_SYS_ENDIAN_H
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#include <sys/endian.h>
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#endif
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#ifdef HAVE_ENDIAN_H
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#define _BSD_SOURCE
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#include <endian.h>
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#endif
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#include <stdint.h>
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#include <string.h>
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#include <cryb/bitwise.h>
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#include <cryb/hash.h>
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/*
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* Simple implementation of the Murmur3-32 hash function.
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*
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* This implementation is slow but safe. It can be made significantly
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* faster if the caller guarantees that the input is correctly aligned for
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* 32-bit reads, and slightly faster yet if the caller guarantees that the
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* length of the input is always a multiple of 4 bytes.
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*/
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uint32_t
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murmur3_32_hash(const void *data, size_t len, uint32_t seed)
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{
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const uint8_t *bytes;
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uint32_t hash, k;
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size_t res;
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/* initialization */
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bytes = data;
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res = len;
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hash = seed;
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/* main loop */
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while (res >= 4) {
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/* replace with le32toh() if input is aligned */
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k = le32dec(bytes);
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bytes += 4;
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res -= 4;
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k *= 0xcc9e2d51;
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k = rol(k, 15);
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k *= 0x1b873593;
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hash ^= k;
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hash = rol(hash, 13);
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hash *= 5;
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hash += 0xe6546b64;
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}
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/* remainder */
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/* remove if input length is a multiple of 4 */
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if (res > 0) {
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k = 0;
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switch (res) {
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case 3:
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k |= bytes[2] << 16;
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case 2:
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k |= bytes[1] << 8;
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case 1:
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k |= bytes[0];
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k *= 0xcc9e2d51;
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k = rol(k, 15);
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k *= 0x1b873593;
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hash ^= k;
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break;
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CRYB_NO_DEFAULT_CASE;
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}
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}
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/* finalize */
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hash ^= (uint32_t)len;
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hash ^= hash >> 16;
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hash *= 0x85ebca6b;
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hash ^= hash >> 13;
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hash *= 0xc2b2ae35;
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hash ^= hash >> 16;
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return (hash);
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}
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97
lib/hash/pearson.c
Normal file
97
lib/hash/pearson.c
Normal file
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@ -0,0 +1,97 @@
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/*-
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* Copyright (c) 2014 The University of Oslo
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "cryb/impl.h"
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#include <stdint.h>
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#include <string.h>
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#include <cryb/hash.h>
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/*
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* Implementation of the hash function described in Pearson, Peter
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* K. (June 1990), "Fast Hashing of Variable-Length Text Strings",
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* Communications of the ACM 33 (6): 677, doi:10.1145/78973.78978
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*/
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static const uint8_t T[256] = {
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0x01, 0x57, 0x31, 0x0c, 0xb0, 0xb2, 0x66, 0xa6,
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0x79, 0xc1, 0x06, 0x54, 0xf9, 0xe6, 0x2c, 0xa3,
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0x0e, 0xc5, 0xd5, 0xb5, 0xa1, 0x55, 0xda, 0x50,
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0x40, 0xef, 0x18, 0xe2, 0xec, 0x8e, 0x26, 0xc8,
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0x6e, 0xb1, 0x68, 0x67, 0x8d, 0xfd, 0xff, 0x32,
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0x4d, 0x65, 0x51, 0x12, 0x2d, 0x60, 0x1f, 0xde,
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0x19, 0x6b, 0xbe, 0x46, 0x56, 0xed, 0xf0, 0x22,
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0x48, 0xf2, 0x14, 0xd6, 0xf4, 0xe3, 0x95, 0xeb,
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0x61, 0xea, 0x39, 0x16, 0x3c, 0xfa, 0x52, 0xaf,
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0xd0, 0x05, 0x7f, 0xc7, 0x6f, 0x3e, 0x87, 0xf8,
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0xae, 0xa9, 0xd3, 0x3a, 0x42, 0x9a, 0x6a, 0xc3,
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0xf5, 0xab, 0x11, 0xbb, 0xb6, 0xb3, 0x00, 0xf3,
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0x84, 0x38, 0x94, 0x4b, 0x80, 0x85, 0x9e, 0x64,
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0x82, 0x7e, 0x5b, 0x0d, 0x99, 0xf6, 0xd8, 0xdb,
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0x77, 0x44, 0xdf, 0x4e, 0x53, 0x58, 0xc9, 0x63,
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0x7a, 0x0b, 0x5c, 0x20, 0x88, 0x72, 0x34, 0x0a,
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0x8a, 0x1e, 0x30, 0xb7, 0x9c, 0x23, 0x3d, 0x1a,
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0x8f, 0x4a, 0xfb, 0x5e, 0x81, 0xa2, 0x3f, 0x98,
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0xaa, 0x07, 0x73, 0xa7, 0xf1, 0xce, 0x03, 0x96,
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0x37, 0x3b, 0x97, 0xdc, 0x5a, 0x35, 0x17, 0x83,
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0x7d, 0xad, 0x0f, 0xee, 0x4f, 0x5f, 0x59, 0x10,
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0x69, 0x89, 0xe1, 0xe0, 0xd9, 0xa0, 0x25, 0x7b,
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0x76, 0x49, 0x02, 0x9d, 0x2e, 0x74, 0x09, 0x91,
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0x86, 0xe4, 0xcf, 0xd4, 0xca, 0xd7, 0x45, 0xe5,
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0x1b, 0xbc, 0x43, 0x7c, 0xa8, 0xfc, 0x2a, 0x04,
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0x1d, 0x6c, 0x15, 0xf7, 0x13, 0xcd, 0x27, 0xcb,
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0xe9, 0x28, 0xba, 0x93, 0xc6, 0xc0, 0x9b, 0x21,
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0xa4, 0xbf, 0x62, 0xcc, 0xa5, 0xb4, 0x75, 0x4c,
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0x8c, 0x24, 0xd2, 0xac, 0x29, 0x36, 0x9f, 0x08,
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0xb9, 0xe8, 0x71, 0xc4, 0xe7, 0x2f, 0x92, 0x78,
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0x33, 0x41, 0x1c, 0x90, 0xfe, 0xdd, 0x5d, 0xbd,
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0xc2, 0x8b, 0x70, 0x2b, 0x47, 0x6d, 0xb8, 0xd1,
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};
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uint8_t
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pearson_hash(const void *data, size_t len)
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{
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const uint8_t *p;
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uint8_t h;
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for (p = data, h = 0; len > 0; ++p, --len)
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h = T[h ^ *p];
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return (h);
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}
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uint8_t
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pearson_hash_str(const char *str)
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{
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uint8_t h;
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for (h = 0; *str != '\0'; ++str)
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h = T[h ^ (uint8_t)*str];
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return (h);
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}
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@ -13,6 +13,7 @@ LDADD = $(builddir)/libt.la \
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$(top_builddir)/lib/core/libcryb-core.la \
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$(top_builddir)/lib/enc/libcryb-enc.la \
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$(top_builddir)/lib/digest/libcryb-digest.la \
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$(top_builddir)/lib/hash/libcryb-hash.la \
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$(top_builddir)/lib/mac/libcryb-mac.la \
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$(top_builddir)/lib/rand/libcryb-rand.la \
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$(top_builddir)/lib/oath/libcryb-oath.la
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@ -81,6 +82,9 @@ t_sha512_openssl_CFLAGS = $(OPENSSL_INCLUDES) $(OPENSSL_CFLAGS)
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t_sha512_openssl_LDADD = $(OPENSSL_LDADD)
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endif
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# libcryb-hash
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TESTS += t_murmur3_32 t_pearson
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# libcryb-mac
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TESTS += t_hmac_sha1 t_hmac_sha224 t_hmac_sha256 t_hmac_sha384 t_hmac_sha512
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if WITH_OPENSSL
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218
t/t_murmur3_32.c
Normal file
218
t/t_murmur3_32.c
Normal file
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@ -0,0 +1,218 @@
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/*-
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* Copyright (c) 2014 Dag-Erling Smørgrav
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
|
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* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. 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.
|
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* 3. The name of the author may not be used to endorse or promote
|
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* products derived from this software without specific prior written
|
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* permission.
|
||||
*
|
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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
|
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
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* SUCH DAMAGE.
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*
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* Author: Dag-Erling Smørgrav <des@des.no>
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*
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* $Cryb$
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*/
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#include "cryb/impl.h"
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <cryb/hash.h>
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#include "t.h"
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struct t_case {
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const char *desc;
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const char *data;
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size_t len;
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uint32_t seed;
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uint32_t hash;
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};
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/***************************************************************************
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* Test cases
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*/
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static struct t_case t_cases[] = {
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{
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.desc = "00000000 { }",
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.data = "murmur3",
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.len = 0,
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.seed = 0x00000000,
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.hash = 0x00000000,
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},
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{
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.desc = "ffffffff { }",
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.data = "murmur3",
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.len = 0,
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.seed = 0xffffffff,
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.hash = 0x81f16f39,
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},
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{
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.desc = "00000000 { 'm' }",
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.data = "murmur3",
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.len = 1,
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.seed = 0x00000000,
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.hash = 0x5ae4385c,
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},
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{
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.desc = "ffffffff { 'm' }",
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.data = "murmur3",
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.len = 1,
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.seed = 0xffffffff,
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.hash = 0x7aca074a,
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},
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{
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.desc = "00000000 { 'm' 'u' }",
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.data = "murmur3",
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.len = 2,
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.seed = 0x00000000,
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.hash = 0xb93a5ae8,
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},
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{
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.desc = "ffffffff { 'm' 'u' }",
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.data = "murmur3",
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.len = 2,
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.seed = 0xffffffff,
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.hash = 0xb3906f0a,
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},
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{
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.desc = "00000000 { 'm' 'u' 'r' }",
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.data = "murmur3",
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.len = 3,
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.seed = 0x00000000,
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.hash = 0x44b7f9ca,
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},
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{
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.desc = "ffffffff { 'm' 'u' 'r' }",
|
||||
.data = "murmur3",
|
||||
.len = 3,
|
||||
.seed = 0xffffffff,
|
||||
.hash = 0xe75eba0,
|
||||
},
|
||||
{
|
||||
.desc = "00000000 { 'm' 'u' 'r' 'm' }",
|
||||
.data = "murmur3",
|
||||
.len = 4,
|
||||
.seed = 0x00000000,
|
||||
.hash = 0x48bcf87d,
|
||||
},
|
||||
{
|
||||
.desc = "ffffffff { 'm' 'u' 'r' 'm' }",
|
||||
.data = "murmur3",
|
||||
.len = 4,
|
||||
.seed = 0xffffffff,
|
||||
.hash = 0x5771291b,
|
||||
},
|
||||
{
|
||||
.desc = "00000000 { 'm' 'u' 'r' 'm' 'u' }",
|
||||
.data = "murmur3",
|
||||
.len = 5,
|
||||
.seed = 0x00000000,
|
||||
.hash = 0x6865a0a3,
|
||||
},
|
||||
{
|
||||
.desc = "ffffffff { 'm' 'u' 'r' 'm' 'u' }",
|
||||
.data = "murmur3",
|
||||
.len = 5,
|
||||
.seed = 0xffffffff,
|
||||
.hash = 0xbed94c57,
|
||||
},
|
||||
{
|
||||
.desc = "00000000 { 'm' 'u' 'r' 'm' 'u' 'r' }",
|
||||
.data = "murmur3",
|
||||
.len = 6,
|
||||
.seed = 0x00000000,
|
||||
.hash = 0x73f313cd,
|
||||
},
|
||||
{
|
||||
.desc = "ffffffff { 'm' 'u' 'r' 'm' 'u' 'r' }",
|
||||
.data = "murmur3",
|
||||
.len = 6,
|
||||
.seed = 0xffffffff,
|
||||
.hash = 0x1a77802a,
|
||||
},
|
||||
{
|
||||
.desc = "00000000 { 'm' 'u' 'r' 'm' 'u' 'r' '3' }",
|
||||
.data = "murmur3",
|
||||
.len = 7,
|
||||
.seed = 0x00000000,
|
||||
.hash = 0x845098a5,
|
||||
},
|
||||
{
|
||||
.desc = "ffffffff { 'm' 'u' 'r' 'm' 'u' 'r' '3' }",
|
||||
.data = "murmur3",
|
||||
.len = 7,
|
||||
.seed = 0xffffffff,
|
||||
.hash = 0x6e66a973,
|
||||
},
|
||||
{
|
||||
.desc = "00000000 { 'm' 'u' 'r' 'm' 'u' 'r' '3' '\\0' }",
|
||||
.data = "murmur3",
|
||||
.len = 8,
|
||||
.seed = 0x00000000,
|
||||
.hash = 0x7d525b5e,
|
||||
},
|
||||
{
|
||||
.desc = "ffffffff { 'm' 'u' 'r' 'm' 'u' 'r' '3' '\\0' }",
|
||||
.data = "murmur3",
|
||||
.len = 8,
|
||||
.seed = 0xffffffff,
|
||||
.hash = 0x18b2eab2,
|
||||
},
|
||||
};
|
||||
|
||||
/***************************************************************************
|
||||
* Test function
|
||||
*/
|
||||
static int
|
||||
t_murmur3_32(char **desc CRYB_UNUSED, void *arg)
|
||||
{
|
||||
struct t_case *t = arg;
|
||||
uint32_t hash;
|
||||
|
||||
hash = murmur3_32_hash(t->data, t->len, t->seed);
|
||||
return (t_compare_x32(t->hash, hash));
|
||||
}
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
* Boilerplate
|
||||
*/
|
||||
|
||||
int
|
||||
t_prepare(int argc, char *argv[])
|
||||
{
|
||||
int i, n;
|
||||
|
||||
(void)argc;
|
||||
(void)argv;
|
||||
n = sizeof t_cases / sizeof t_cases[0];
|
||||
for (i = 0; i < n; ++i)
|
||||
t_add_test(t_murmur3_32, &t_cases[i], t_cases[i].desc);
|
||||
return (0);
|
||||
}
|
||||
|
||||
void
|
||||
t_cleanup(void)
|
||||
{
|
||||
}
|
||||
115
t/t_pearson.c
Normal file
115
t/t_pearson.c
Normal file
|
|
@ -0,0 +1,115 @@
|
|||
/*-
|
||||
* Copyright (c) 2014 Dag-Erling Smørgrav
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. 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.
|
||||
* 3. The name of the author may not be used to endorse or promote
|
||||
* products derived from this software without specific prior written
|
||||
* permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
||||
*
|
||||
* Author: Dag-Erling Smørgrav <des@des.no>
|
||||
*
|
||||
* $Cryb$
|
||||
*/
|
||||
|
||||
#include "cryb/impl.h"
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <cryb/hash.h>
|
||||
|
||||
#include "t.h"
|
||||
|
||||
#define T_MAGIC_WORD_1 "squeamish"
|
||||
#define T_MAGIC_WORD_2 "ossifrage"
|
||||
#define T_MAGIC_STR T_MAGIC_WORD_1 " " T_MAGIC_WORD_2
|
||||
|
||||
struct t_case {
|
||||
const char *desc;
|
||||
const char *str;
|
||||
uint8_t hash;
|
||||
};
|
||||
|
||||
/***************************************************************************
|
||||
* Test cases
|
||||
*/
|
||||
static struct t_case t_cases[] = {
|
||||
{
|
||||
.desc = "\"\"",
|
||||
.str = "",
|
||||
.hash = 0x00,
|
||||
},
|
||||
{
|
||||
.desc = "\"" T_MAGIC_WORD_1 "\"",
|
||||
.str = T_MAGIC_WORD_1,
|
||||
.hash = 0xe9,
|
||||
},
|
||||
{
|
||||
.desc = "\"" T_MAGIC_WORD_2 "\"",
|
||||
.str = T_MAGIC_WORD_2,
|
||||
.hash = 0x47,
|
||||
},
|
||||
{
|
||||
.desc = "\"" T_MAGIC_STR "\"",
|
||||
.str = T_MAGIC_STR,
|
||||
.hash = 0xba,
|
||||
},
|
||||
};
|
||||
|
||||
/***************************************************************************
|
||||
* Test function
|
||||
*/
|
||||
static int
|
||||
t_pearson(char **desc CRYB_UNUSED, void *arg)
|
||||
{
|
||||
struct t_case *t = arg;
|
||||
int ret;
|
||||
|
||||
ret = t_compare_x8(t->hash, pearson_hash(t->str, strlen(t->str)));
|
||||
ret &= t_compare_x8(t->hash, pearson_hash_str(t->str));
|
||||
return (ret);
|
||||
}
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
* Boilerplate
|
||||
*/
|
||||
|
||||
int
|
||||
t_prepare(int argc, char *argv[])
|
||||
{
|
||||
int i, n;
|
||||
|
||||
(void)argc;
|
||||
(void)argv;
|
||||
n = sizeof t_cases / sizeof t_cases[0];
|
||||
for (i = 0; i < n; ++i)
|
||||
t_add_test(t_pearson, &t_cases[i], t_cases[i].desc);
|
||||
return (0);
|
||||
}
|
||||
|
||||
void
|
||||
t_cleanup(void)
|
||||
{
|
||||
}
|
||||
Loading…
Reference in a new issue