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Diffstat (limited to 'src/net/authHelper.cpp')
| -rw-r--r-- | src/net/authHelper.cpp | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/src/net/authHelper.cpp b/src/net/authHelper.cpp deleted file mode 100644 index e9c217f3..00000000 --- a/src/net/authHelper.cpp +++ /dev/null @@ -1,111 +0,0 @@ -// -// VMime library (http://www.vmime.org) -// Copyright (C) 2002-2005 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 2 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 along -// with this program; if not, write to the Free Software Foundation, Inc., Foundation, Inc., -// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.. -// - -#include "vmime/net/authHelper.hpp" - -#include "vmime/config.hpp" -#include "vmime/security/digest/messageDigestFactory.hpp" - - -namespace vmime { -namespace net { - - -// -// This code is based on the Sample Code published in the Appendix of -// the RFC-2104: "HMAC: Keyed-Hashing for Message Authentication". -// - -void hmac_md5(const string& text, const string& key, string& hexDigest) -{ - vmime_uint8 digest[16]; - - unsigned char ipad[65]; // inner padding - key XORd with ipad - unsigned char opad[65]; // outer padding - key XORd with opad - - unsigned char tkey[16]; - int tkeyLen; - - ref <security::digest::messageDigest> md5 = - security::digest::messageDigestFactory::getInstance()->create("md5"); - - // If key is longer than 64 bytes reset it to key = MD5(key) - if (key.length() > 64) - { - md5->reset(); - md5->update(reinterpret_cast <const vmime_uint8*>(key.data()), key.length()); - md5->finalize(); - - std::copy(md5->getDigest(), md5->getDigest() + 16, tkey); - tkeyLen = 16; - } - else - { - std::copy(key.begin(), key.end(), tkey); - tkeyLen = key.length(); - } - - // - // the HMAC_MD5 transform looks like: - // - // MD5(K XOR opad, MD5(K XOR ipad, text)) - // - // where K is an n byte key - // ipad is the byte 0x36 repeated 64 times - // - // opad is the byte 0x5c repeated 64 times - // and text is the data being protected - // - - // Start out by storing key in pads - std::fill(ipad, ipad + sizeof(ipad), 0); - std::fill(opad, opad + sizeof(opad), 0); - - std::copy(tkey, tkey + tkeyLen, ipad); - std::copy(tkey, tkey + tkeyLen, opad); - - // XOR key with ipad and opad values - for (int i = 0 ; i < 64 ; ++i) - { - ipad[i] ^= 0x36; - opad[i] ^= 0x5c; - } - - // Perform inner MD5 - md5->reset(); - md5->update(ipad, 64); - md5->update(text); - md5->finalize(); - - std::copy(md5->getDigest(), md5->getDigest() + 16, digest); - - // Perform outer MD5 - md5->reset(); - md5->update(opad, 64); - md5->update(digest, 16); - md5->finalize(); - - //std::copy(outerMD5.hash(), outerMD5.hash() + 16, digest); - - hexDigest = md5->getHexDigest(); -} - - -} // net -} // vmime |