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tiger_hash: use crypto++ lib instead of bundle
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Mirek Kratochvil
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3af363faf3
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1382
src/tiger.c
1382
src/tiger.c
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src/tiger.h
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src/tiger.h
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/**
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* Copyright (c) 2012 Francisco Blas Izquierdo Riera (klondike)
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* The Tiger algorithm was written by Eli Biham and Ross Anderson and is
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* available on the official Tiger algorithm page.
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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:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* the algorithm authorsip notice, this list of conditions and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* 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 products
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* derived from this software without specific prior written permission.
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* 4. If this license is not appropriate for you please write me at
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* klondike ( a t ) klondike ( d o t ) es to negotiate another license.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**/
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/**
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* These are some implementations of tiger made without looking at the original
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* reference code to ensure the resulting code can be published under a free
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* license. The paper was looked though to know how did tiger work.
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*/
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/** Implementation details:
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* * Here we assume char and unsigned char have size 1. If thats not the case in
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* your compiler you may want to replace them by a type that does
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*/
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#ifndef TIGER_H
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#define TIGER_H 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if !defined(_MSC_VER) || (_MSC_VER >= 1600)
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#include <stdint.h>
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#else
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typedef __int32 int32_t;
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typedef unsigned __int32 uint32_t;
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typedef __int64 int64_t;
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typedef unsigned __int64 uint64_t;
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#endif
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#if _M_IX86_FP >= 2
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#define __SSE2__
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#endif
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#ifdef __linux
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#include <endian.h>
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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#define IS_LITTLE_ENDIAN
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#elif __BYTE_ORDER == __BIG_ENDIAN
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#define USE_BIG_ENDIAN
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#elif __BYTE_ORDER == __PDP_ENDIAN
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#error "If you feel like writting code for PDP endianess go ahead, I'm not doing that"
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#else
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#error "Unknown endianess"
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#endif
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#else
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//Assume little endian if you know how to detect endianism well on other
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//compilers state it.
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#define IS_LITTLE_ENDIAN
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#endif
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#if defined(_WIN64) || defined(__x86_64__) || defined(__amd64__)
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#define HASX64
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#endif
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/** A word in the tiger hash, 64 bits **/
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typedef uint64_t t_word;
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/** This one is provided as a commodity for people wanting an easy way
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* to declare result variables **/
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typedef t_word t_res[3];
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/** Partial calculation as used by tigerp1 and tigerp2 **/
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typedef struct {
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t_res h; // Hash status
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char r[128]; // SALT
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t_word n; // Number of characters of r used
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t_word hs; // Amount of total data hashed
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} t_pres;
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/** This one is provided as a commodity for people wanting an easy way
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* to declare block variables **/
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typedef t_word t_block[8];
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/** Standard tiger calculation, put your string in str and the string
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* length on length and get the result on res **/
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void tiger (const char *str, t_word length, t_res res);
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/** Similar to tiger but interleaving accesses to both equally sized
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* strings to reduce overhead and pipeline stalls you get the result of
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* str1 on res1 and the one of str2 on res2 **/
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void tiger_2 (const char *str1, const char *str2, t_word length,
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t_res res1, t_res res2);
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#ifdef __SSE2__
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/** This is equivalent to tiger_2 but uses SSE2 for the key schduling
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* making it faster **/
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void tiger_sse2 (const char *str1, const char *str2, t_word length,
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t_res res1, t_res res2);
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#endif
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/** This function is optimized for use on TTHs just send the two
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* concatenated hashes and you will get back the hash with a prepended
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* 0x01 **/
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void tiger_49 (const char *str, t_res res);
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/** This function is optimized for use on TTHs just send the 1024 sized
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* block and you will get back the hash with a prepended 0x00 **/
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void tiger_1025 (const char *str, t_res res);
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/** Interleaved version of tiger_49 you insert two hashes and get back
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* two results **/
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void tiger_2_49 (const char *str1, const char *str2,
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t_res res1, t_res res2);
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/** Interleaved version of tiger_1025 you insert two hashes and get
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* back two results **/
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void tiger_2_1025 (const char *str1, const char *str2,
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t_res res1, t_res res2);
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#ifdef __SSE2__
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/** SSE2 version of tiger_49 you insert two hashes and get back two
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* results **/
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void tiger_sse2_49 (const char *str1, const char *str2,
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t_res res1, t_res res2);
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/** SSE2 version of tiger_1025 you insert two hashes and get back two
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* results **/
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void tiger_sse2_1025 (const char *str1, const char *str2,
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t_res res1, t_res res2);
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#endif
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/** First stage of partial tiger calculation to improve password
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* security during storage **/
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void tigerp1 (const char *password, t_word length, const char *salt,
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t_pres *pres);
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/** Second stage of partial tiger calculation **/
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void tigerp2 (const t_pres *pres, const char *salt, t_word length,
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t_res res);
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#ifdef __cplusplus
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} //extern "C"
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#endif
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#endif
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@ -21,19 +21,21 @@
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#define _ccr_tiger_hash_h_
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#include "hash.h"
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#include "tiger.h"
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#include <crypto++/tiger.h>
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class tiger192hash : public hash_func
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{
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public:
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uint size() {
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return 24;
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return CryptoPP::Tiger::DIGESTSIZE;
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}
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std::vector<byte> operator() (const std::vector<byte>&a) {
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std::vector<byte> r;
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r.resize (size() );
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tiger ( (const char*) & (a[0]), a.size(), (t_word*) & (r[0]) );
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CryptoPP::Tiger().CalculateDigest (& (r[0]),
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& (a[0]),
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a.size() );
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return r;
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}
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};
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