From 354bb40e75d94466e91fe6960523612c9d17ccfb Mon Sep 17 00:00:00 2001 From: Karen Arutyunov Date: Thu, 2 Nov 2017 23:11:29 +0300 Subject: Add implementation --- mysql/extra/yassl/taocrypt/src/md4.cpp | 157 +++++++++++++++++++++++++++++++++ 1 file changed, 157 insertions(+) create mode 100644 mysql/extra/yassl/taocrypt/src/md4.cpp (limited to 'mysql/extra/yassl/taocrypt/src/md4.cpp') diff --git a/mysql/extra/yassl/taocrypt/src/md4.cpp b/mysql/extra/yassl/taocrypt/src/md4.cpp new file mode 100644 index 0000000..9364a1c --- /dev/null +++ b/mysql/extra/yassl/taocrypt/src/md4.cpp @@ -0,0 +1,157 @@ +/* + Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to the + Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + MA 02110-1301 USA. +*/ + + +/* based on Wei Dai's md4.cpp from CryptoPP */ + +#include "runtime.hpp" +#include "md4.hpp" +#ifdef USE_SYS_STL + #include +#else + #include "algorithm.hpp" +#endif + + +namespace STL = STL_NAMESPACE; + + +namespace TaoCrypt { + +void MD4::Init() +{ + digest_[0] = 0x67452301L; + digest_[1] = 0xefcdab89L; + digest_[2] = 0x98badcfeL; + digest_[3] = 0x10325476L; + + buffLen_ = 0; + loLen_ = 0; + hiLen_ = 0; +} + + +MD4::MD4(const MD4& that) : HASHwithTransform(DIGEST_SIZE / sizeof(word32), + BLOCK_SIZE) +{ + buffLen_ = that.buffLen_; + loLen_ = that.loLen_; + hiLen_ = that.hiLen_; + + memcpy(digest_, that.digest_, DIGEST_SIZE); + memcpy(buffer_, that.buffer_, BLOCK_SIZE); +} + +MD4& MD4::operator= (const MD4& that) +{ + MD4 tmp(that); + Swap(tmp); + + return *this; +} + + +void MD4::Swap(MD4& other) +{ + STL::swap(loLen_, other.loLen_); + STL::swap(hiLen_, other.hiLen_); + STL::swap(buffLen_, other.buffLen_); + + memcpy(digest_, other.digest_, DIGEST_SIZE); + memcpy(buffer_, other.buffer_, BLOCK_SIZE); +} + + +void MD4::Transform() +{ +#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z)))) +#define G(x, y, z) (((x) & (y)) | ((x) & (z)) | ((y) & (z))) +#define H(x, y, z) ((x) ^ (y) ^ (z)) + + word32 A, B, C, D; + + A = digest_[0]; + B = digest_[1]; + C = digest_[2]; + D = digest_[3]; + +#define function(a,b,c,d,k,s) a=rotlFixed(a+F(b,c,d)+buffer_[k],s); + function(A,B,C,D, 0, 3); + function(D,A,B,C, 1, 7); + function(C,D,A,B, 2,11); + function(B,C,D,A, 3,19); + function(A,B,C,D, 4, 3); + function(D,A,B,C, 5, 7); + function(C,D,A,B, 6,11); + function(B,C,D,A, 7,19); + function(A,B,C,D, 8, 3); + function(D,A,B,C, 9, 7); + function(C,D,A,B,10,11); + function(B,C,D,A,11,19); + function(A,B,C,D,12, 3); + function(D,A,B,C,13, 7); + function(C,D,A,B,14,11); + function(B,C,D,A,15,19); + +#undef function +#define function(a,b,c,d,k,s) a=rotlFixed(a+G(b,c,d)+buffer_[k]+0x5a827999,s); + function(A,B,C,D, 0, 3); + function(D,A,B,C, 4, 5); + function(C,D,A,B, 8, 9); + function(B,C,D,A,12,13); + function(A,B,C,D, 1, 3); + function(D,A,B,C, 5, 5); + function(C,D,A,B, 9, 9); + function(B,C,D,A,13,13); + function(A,B,C,D, 2, 3); + function(D,A,B,C, 6, 5); + function(C,D,A,B,10, 9); + function(B,C,D,A,14,13); + function(A,B,C,D, 3, 3); + function(D,A,B,C, 7, 5); + function(C,D,A,B,11, 9); + function(B,C,D,A,15,13); + +#undef function +#define function(a,b,c,d,k,s) a=rotlFixed(a+H(b,c,d)+buffer_[k]+0x6ed9eba1,s); + function(A,B,C,D, 0, 3); + function(D,A,B,C, 8, 9); + function(C,D,A,B, 4,11); + function(B,C,D,A,12,15); + function(A,B,C,D, 2, 3); + function(D,A,B,C,10, 9); + function(C,D,A,B, 6,11); + function(B,C,D,A,14,15); + function(A,B,C,D, 1, 3); + function(D,A,B,C, 9, 9); + function(C,D,A,B, 5,11); + function(B,C,D,A,13,15); + function(A,B,C,D, 3, 3); + function(D,A,B,C,11, 9); + function(C,D,A,B, 7,11); + function(B,C,D,A,15,15); + + digest_[0] += A; + digest_[1] += B; + digest_[2] += C; + digest_[3] += D; +} + + +} // namespace + -- cgit v1.1