diff options
| author | Vincent Richard <[email protected]> | 2013-12-29 10:02:12 +0100 |
|---|---|---|
| committer | Vincent Richard <[email protected]> | 2013-12-29 10:02:12 +0100 |
| commit | 152c6bed75598a6ca5efb7914701157270155833 (patch) | |
| tree | 8faced1d75a45c819630323da256248415992ed0 /src/security/digest | |
| parent | Merge branch 'master' of https://github.com/kisli/vmime (diff) | |
| download | vmime-152c6bed75598a6ca5efb7914701157270155833.tar.gz vmime-152c6bed75598a6ca5efb7914701157270155833.zip | |
Merged source and header files in directory structure. Got rid of SConstruct build.
Diffstat (limited to 'src/security/digest')
| -rw-r--r-- | src/security/digest/md5/md5MessageDigest.cpp | 347 | ||||
| -rw-r--r-- | src/security/digest/messageDigest.cpp | 57 | ||||
| -rw-r--r-- | src/security/digest/messageDigestFactory.cpp | 84 | ||||
| -rw-r--r-- | src/security/digest/sha1/sha1MessageDigest.cpp | 271 |
4 files changed, 0 insertions, 759 deletions
diff --git a/src/security/digest/md5/md5MessageDigest.cpp b/src/security/digest/md5/md5MessageDigest.cpp deleted file mode 100644 index a83f0623..00000000 --- a/src/security/digest/md5/md5MessageDigest.cpp +++ /dev/null @@ -1,347 +0,0 @@ -// -// VMime library (http://www.vmime.org) -// Copyright (C) 2002-2013 Vincent Richard <[email protected]> -// -// 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; either version 3 of -// the License, or (at your option) any later version. -// -// 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; if not, write to the Free Software Foundation, Inc., -// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -// -// Linking this library statically or dynamically with other modules is making -// a combined work based on this library. Thus, the terms and conditions of -// the GNU General Public License cover the whole combination. -// -// -// Derived from cryptoapi implementation, originally based on the -// public domain implementation written by Colin Plumb in 1993. -// -// Copyright (C) Cryptoapi developers. -// -// Algorithm Copyright: -// -// Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All -// rights reserved. -// -// License to copy and use this software is granted provided that it -// is identified as the "RSA Data Security, Inc. MD5 Message-Digest -// Algorithm" in all material mentioning or referencing this software -// or this function. -// -// License is also granted to make and use derivative works provided -// that such works are identified as "derived from the RSA Data -// Security, Inc. MD5 Message-Digest Algorithm" in all material -// mentioning or referencing the derived work. -// -// RSA Data Security, Inc. makes no representations concerning either -// the merchantability of this software or the suitability of this -// software forany particular purpose. It is provided "as is" -// without express or implied warranty of any kind. -// These notices must be retained in any copies of any part of this -// documentation and/or software. - -#include "vmime/security/digest/md5/md5MessageDigest.hpp" - -#include <cstring> - - -namespace vmime { -namespace security { -namespace digest { -namespace md5 { - - -md5MessageDigest::md5MessageDigest() -{ - init(); -} - - -void md5MessageDigest::reset() -{ - init(); -} - - -void md5MessageDigest::init() -{ - m_hash[0] = 0x67452301; - m_hash[1] = 0xefcdab89; - m_hash[2] = 0x98badcfe; - m_hash[3] = 0x10325476; - - m_byteCount = 0; - m_finalized = false; -} - - -static void copyUint8Array(vmime_uint8* dest, const vmime_uint8* src, size_t count) -{ - for ( ; count >= 4 ; count -= 4, dest += 4, src += 4) - { - dest[0] = src[0]; - dest[1] = src[1]; - dest[2] = src[2]; - dest[3] = src[3]; - } - - for ( ; count ; --count, ++dest, ++src) - dest[0] = src[0]; -} - - -static inline vmime_uint32 swapUint32(const vmime_uint32 D) -{ - return ((D << 24) | ((D << 8) & 0x00FF0000) | ((D >> 8) & 0x0000FF00) | (D >> 24)); -} - - -static inline void swapUint32Array(vmime_uint32* buf, size_t words) -{ - for ( ; words >= 4 ; words -= 4, buf += 4) - { - buf[0] = swapUint32(buf[0]); - buf[1] = swapUint32(buf[1]); - buf[2] = swapUint32(buf[2]); - buf[3] = swapUint32(buf[3]); - } - - for ( ; words ; --words, ++buf) - buf[0] = swapUint32(buf[0]); -} - - -void md5MessageDigest::update(const byte_t b) -{ - update(&b, 1); -} - - -void md5MessageDigest::update(const string& s) -{ - update(reinterpret_cast <const byte_t*>(s.data()), s.length()); -} - - -void md5MessageDigest::update(const byte_t* data, const size_t offset, const size_t len) -{ - update(data + offset, len); -} - - -void md5MessageDigest::update(const byte_t* data, const size_t length) -{ - const size_t avail = 64 - (m_byteCount & 0x3f); - size_t len = length; - - m_byteCount += len; - - if (avail > len) - { - copyUint8Array(m_block.b8 + (64 - avail), data, len); - return; - } - - copyUint8Array(m_block.b8 + (64 - avail), data, avail); - transformHelper(); - - data += avail; - len -= avail; - - while (len >= 64) - { - copyUint8Array(m_block.b8, data, 64); - transformHelper(); - - data += 64; - len -= 64; - } - - copyUint8Array(m_block.b8, data, len); -} - - -void md5MessageDigest::finalize(const string& s) -{ - update(s); - finalize(); -} - - -void md5MessageDigest::finalize(const byte_t* buffer, const size_t len) -{ - update(buffer, len); - finalize(); -} - - -void md5MessageDigest::finalize(const byte_t* buffer, - const size_t offset, const size_t len) -{ - update(buffer, offset, len); - finalize(); -} - - -void md5MessageDigest::finalize() -{ - const long offset = m_byteCount & 0x3f; - - vmime_uint8* p = m_block.b8 + offset; - long padding = 56 - (offset + 1); - - *p++ = 0x80; - - if (padding < 0) - { - memset(p, 0x00, padding + 8); - transformHelper(); - p = m_block.b8; - padding = 56; - } - - memset(p, 0, padding); - - m_block.b32[14] = static_cast <vmime_uint32>(m_byteCount << 3); - m_block.b32[15] = static_cast <vmime_uint32>(m_byteCount >> 29); - -#if VMIME_BYTE_ORDER_BIG_ENDIAN - swapUint32Array(m_block.b32, (64 - 8) / 4); -#endif - - transform(); - -#if VMIME_BYTE_ORDER_BIG_ENDIAN - swapUint32Array(m_hash, 4); -#endif - - m_finalized = true; -} - - -void md5MessageDigest::transformHelper() -{ -#if VMIME_BYTE_ORDER_BIG_ENDIAN - swapUint32Array(m_block.b32, 64 / 4); -#endif - transform(); -} - - -void md5MessageDigest::transform() -{ - const vmime_uint32* const in = m_block.b32; - - vmime_uint32 a = m_hash[0]; - vmime_uint32 b = m_hash[1]; - vmime_uint32 c = m_hash[2]; - vmime_uint32 d = m_hash[3]; - -#define F1(x, y, z) (z ^ (x & (y ^ z))) -#define F2(x, y, z) F1(z, x, y) -#define F3(x, y, z) (x ^ y ^ z) -#define F4(x, y, z) (y ^ (x | ~z)) - -#define MD5STEP(f, w, x, y, z, in, s) \ - (w += f(x, y, z) + in, w = (w<<s | w>>(32-s)) + x) - - MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7); - MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12); - MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17); - MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22); - MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7); - MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12); - MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17); - MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22); - MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7); - MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12); - MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17); - MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22); - MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7); - MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12); - MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17); - MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22); - - MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5); - MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9); - MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14); - MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20); - MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5); - MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9); - MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14); - MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20); - MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5); - MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9); - MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14); - MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20); - MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5); - MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9); - MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14); - MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20); - - MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4); - MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11); - MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16); - MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23); - MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4); - MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11); - MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16); - MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23); - MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4); - MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11); - MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16); - MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23); - MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4); - MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11); - MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16); - MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23); - - MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6); - MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10); - MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15); - MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21); - MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6); - MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10); - MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15); - MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21); - MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6); - MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10); - MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15); - MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21); - MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6); - MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10); - MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15); - MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21); - - m_hash[0] += a; - m_hash[1] += b; - m_hash[2] += c; - m_hash[3] += d; -} - - -size_t md5MessageDigest::getDigestLength() const -{ - return 16; -} - - -const byte_t* md5MessageDigest::getDigest() const -{ - return reinterpret_cast <const byte_t*>(m_hash); -} - - -} // md5 -} // digest -} // security -} // vmime - diff --git a/src/security/digest/messageDigest.cpp b/src/security/digest/messageDigest.cpp deleted file mode 100644 index 18fc8628..00000000 --- a/src/security/digest/messageDigest.cpp +++ /dev/null @@ -1,57 +0,0 @@ -// -// VMime library (http://www.vmime.org) -// Copyright (C) 2002-2013 Vincent Richard <[email protected]> -// -// 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; either version 3 of -// the License, or (at your option) any later version. -// -// 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; if not, write to the Free Software Foundation, Inc., -// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -// -// Linking this library statically or dynamically with other modules is making -// a combined work based on this library. Thus, the terms and conditions of -// the GNU General Public License cover the whole combination. -// - -#include "vmime/security/digest/messageDigest.hpp" - -#include <sstream> - - -namespace vmime { -namespace security { -namespace digest { - - -const string messageDigest::getHexDigest() const -{ - const byte_t* hash = getDigest(); - const size_t len = getDigestLength(); - - static const unsigned char hex[] = "0123456789abcdef"; - - std::ostringstream oss; - oss.imbue(std::locale::classic()); - - for (size_t i = 0 ; i < len ; ++i) - { - oss << hex[(hash[i] & 0xf0) >> 4]; - oss << hex[(hash[i] & 0x0f)]; - } - - return oss.str(); -} - - -} // digest -} // security -} // vmime - diff --git a/src/security/digest/messageDigestFactory.cpp b/src/security/digest/messageDigestFactory.cpp deleted file mode 100644 index 2831c5a1..00000000 --- a/src/security/digest/messageDigestFactory.cpp +++ /dev/null @@ -1,84 +0,0 @@ -// -// VMime library (http://www.vmime.org) -// Copyright (C) 2002-2013 Vincent Richard <[email protected]> -// -// 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; either version 3 of -// the License, or (at your option) any later version. -// -// 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; if not, write to the Free Software Foundation, Inc., -// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -// -// Linking this library statically or dynamically with other modules is making -// a combined work based on this library. Thus, the terms and conditions of -// the GNU General Public License cover the whole combination. -// - -#include "vmime/security/digest/messageDigestFactory.hpp" -#include "vmime/exception.hpp" - -#include "vmime/security/digest/md5/md5MessageDigest.hpp" -#include "vmime/security/digest/sha1/sha1MessageDigest.hpp" - - -namespace vmime { -namespace security { -namespace digest { - - -messageDigestFactory::messageDigestFactory() -{ - registerAlgorithm <md5::md5MessageDigest>("md5"); - registerAlgorithm <sha1::sha1MessageDigest>("sha1"); -} - - -messageDigestFactory::~messageDigestFactory() -{ -} - - -messageDigestFactory* messageDigestFactory::getInstance() -{ - static messageDigestFactory instance; - return (&instance); -} - - -shared_ptr <messageDigest> messageDigestFactory::create(const string& name) -{ - const MapType::const_iterator it = m_algos.find - (utility::stringUtils::toLower(name)); - - if (it != m_algos.end()) - return (*it).second->create(); - - throw exceptions::no_digest_algorithm_available(name); -} - - -const std::vector <string> messageDigestFactory::getSupportedAlgorithms() const -{ - std::vector <string> res; - - for (MapType::const_iterator it = m_algos.begin() ; - it != m_algos.end() ; ++it) - { - res.push_back((*it).first); - } - - return res; -} - - -} // digest -} // security -} // vmime - diff --git a/src/security/digest/sha1/sha1MessageDigest.cpp b/src/security/digest/sha1/sha1MessageDigest.cpp deleted file mode 100644 index aa055af5..00000000 --- a/src/security/digest/sha1/sha1MessageDigest.cpp +++ /dev/null @@ -1,271 +0,0 @@ -// -// VMime library (http://www.vmime.org) -// Copyright (C) 2002-2013 Vincent Richard <[email protected]> -// -// 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; either version 3 of -// the License, or (at your option) any later version. -// -// 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; if not, write to the Free Software Foundation, Inc., -// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -// -// Linking this library statically or dynamically with other modules is making -// a combined work based on this library. Thus, the terms and conditions of -// the GNU General Public License cover the whole combination. -// -// -// This is an implementation by Steve Reid <[email protected]> -// 100% public domain. - -#include "vmime/security/digest/sha1/sha1MessageDigest.hpp" - -#include <cstring> -#include <cassert> - - -namespace vmime { -namespace security { -namespace digest { -namespace sha1 { - - -#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits)))) - -// blk0() and blk() perform the initial expand. -// I got the idea of expanding during the round function from SSLeay -#if VMIME_BYTE_ORDER_LITTLE_ENDIAN - #define blk0(i) (block->l[i] = (rol(block->l[i], 24) & 0xFF00FF00) \ - | (rol(block->l[i], 8) & 0x00FF00FF)) -#else - #define blk0(i) block->l[i] -#endif - -#define blk(i) (block->l[i & 15] = rol(block->l[(i + 13) & 15] ^ block->l[(i + 8) & 15] \ - ^ block->l[(i + 2) & 15] ^ block->l[i & 15], 1)) - -// (R0+R1), R2, R3, R4 are the different operations used in SHA1 -#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30); -#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30); -#define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30); -#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30); -#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30); - - -sha1MessageDigest::sha1MessageDigest() -{ - init(); -} - - -void sha1MessageDigest::reset() -{ - init(); -} - - -void sha1MessageDigest::init() -{ - m_state[0] = 0x67452301; - m_state[1] = 0xefcdab89; - m_state[2] = 0x98badcfe; - m_state[3] = 0x10325476; - m_state[4] = 0xc3d2e1f0; - - m_count[0] = 0; - m_count[1] = 0; -} - - -void sha1MessageDigest::update(const byte_t b) -{ - update(&b, 1); -} - - -void sha1MessageDigest::update(const string& s) -{ - update(reinterpret_cast <const byte_t*>(s.data()), s.length()); -} - - -void sha1MessageDigest::update(const byte_t* buffer, const size_t offset, - const unsigned long len) -{ - update(buffer + offset, len); -} - - -void sha1MessageDigest::update(const byte_t* buffer, const size_t len) -{ - unsigned int i, j; - - j = (m_count[0] >> 3) & 63; - - if ((m_count[0] += static_cast <unsigned int>(len << 3)) < static_cast <unsigned int>(len << 3)) - m_count[1]++; - - m_count[1] += static_cast <unsigned int>(len >> 29); - - if ((j + len) > 63) - { - memcpy(&m_buffer[j], buffer, (i = 64 - j)); - - transform(m_state, m_buffer); - - for ( ; i + 63 < len ; i += 64) - transform(m_state, &buffer[i]); - - j = 0; - } - else - { - i = 0; - } - - std::memcpy(&m_buffer[j], &buffer[i], len - i); -} - - -void sha1MessageDigest::finalize() -{ - unsigned int i, j; - unsigned char finalcount[8]; - - for (i = 0 ; i < 8 ; i++) - { - finalcount[i] = static_cast <unsigned char> - ((m_count[(i >= 4 ? 0 : 1)] - >> ((3-(i & 3)) * 8) ) & 255); // Endian independent - } - - update(reinterpret_cast <const byte_t*>("\200"), 1); - - while ((m_count[0] & 504) != 448) - update(reinterpret_cast <const byte_t*>("\0"), 1); - - update(finalcount, 8); // Should cause a transform() - - for (i = 0 ; i < 20 ; i++) - { - m_digest[i] = static_cast <unsigned char> - ((m_state[i >> 2] >> ((3 - (i & 3)) * 8)) & 255); - } - - // Wipe variables - i = j = 0; - - std::memset(m_buffer, 0, 64); - std::memset(m_state, 0, 5 * sizeof(unsigned int)); - std::memset(m_count, 0, 2 * sizeof(unsigned int)); - std::memset(&finalcount, 0, 8); -} - - -void sha1MessageDigest::finalize(const string& s) -{ - finalize(reinterpret_cast <const byte_t*>(s.data()), s.length()); -} - - -void sha1MessageDigest::finalize(const byte_t* buffer, const size_t len) -{ - update(buffer, len); - finalize(); -} - - -void sha1MessageDigest::finalize(const byte_t* buffer, - const size_t offset, const size_t len) -{ - finalize(buffer + offset, len); -} - - -/** Hash a single 512-bit block. - * This is the core of the algorithm. - */ -void sha1MessageDigest::transform - (unsigned int state[5], const unsigned char buffer[64]) -{ - unsigned int a, b, c, d, e; - - typedef union - { - unsigned char c[64]; - unsigned int l[16]; - } CHAR64LONG16; - - assert(sizeof(unsigned int) == 4); - - CHAR64LONG16* block; - static unsigned char workspace[64]; - - block = reinterpret_cast <CHAR64LONG16*>(workspace); - memcpy(block, buffer, 64); - - // Copy context->state[] to working vars - a = state[0]; - b = state[1]; - c = state[2]; - d = state[3]; - e = state[4]; - - // 4 rounds of 20 operations each. Loop unrolled. - R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3); - R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7); - R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11); - R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15); - R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19); - R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23); - R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27); - R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31); - R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35); - R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39); - R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43); - R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47); - R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51); - R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55); - R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59); - R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63); - R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67); - R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71); - R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75); - R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79); - - // Add the working vars back into context.state[] - state[0] += a; - state[1] += b; - state[2] += c; - state[3] += d; - state[4] += e; - - // Wipe variables - a = b = c = d = e = 0; -} - - -size_t sha1MessageDigest::getDigestLength() const -{ - return 20; -} - - -const byte_t* sha1MessageDigest::getDigest() const -{ - return m_digest; -} - - -} // sha1 -} // digest -} // security -} // vmime - - |
