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Diffstat (limited to 'src/modules/hash.h')
-rw-r--r-- | src/modules/hash.h | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/src/modules/hash.h b/src/modules/hash.h deleted file mode 100644 index f7bf85e20..000000000 --- a/src/modules/hash.h +++ /dev/null @@ -1,76 +0,0 @@ -/* - * InspIRCd -- Internet Relay Chat Daemon - * - * Copyright (C) 2010 Daniel De Graaf <danieldg@inspircd.org> - * - * This file is part of InspIRCd. InspIRCd 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. - * - * 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, see <http://www.gnu.org/licenses/>. - */ - - -#ifndef HASH_H -#define HASH_H - -#include "modules.h" - -class HashProvider : public DataProvider -{ - public: - const unsigned int out_size; - const unsigned int block_size; - HashProvider(Module* mod, const std::string& Name, int osiz, int bsiz) - : DataProvider(mod, Name), out_size(osiz), block_size(bsiz) {} - virtual std::string sum(const std::string& data) = 0; - inline std::string hexsum(const std::string& data) - { - return BinToHex(sum(data)); - } - - inline std::string b64sum(const std::string& data) - { - return BinToBase64(sum(data), NULL, 0); - } - - /** Allows the IVs for the hash to be specified. As the choice of initial IV is - * important for the security of a hash, this should not be used except to - * maintain backwards compatability. This also allows you to change the hex - * sequence from its default of "0123456789abcdef", which does not improve the - * strength of the output, but helps confuse those attempting to implement it. - * - * Example: - * \code - * unsigned int iv[] = { 0xFFFFFFFF, 0x00000000, 0xAAAAAAAA, 0xCCCCCCCC }; - * std::string result = Hash.sumIV(iv, "fedcba9876543210", "data"); - * \endcode - */ - virtual std::string sumIV(unsigned int* IV, const char* HexMap, const std::string &sdata) = 0; - - /** HMAC algorithm, RFC 2104 */ - std::string hmac(const std::string& key, const std::string& msg) - { - std::string hmac1, hmac2; - std::string kbuf = key.length() > block_size ? sum(key) : key; - kbuf.resize(block_size); - - for (size_t n = 0; n < block_size; n++) - { - hmac1.push_back(static_cast<char>(kbuf[n] ^ 0x5C)); - hmac2.push_back(static_cast<char>(kbuf[n] ^ 0x36)); - } - hmac2.append(msg); - hmac1.append(sum(hmac2)); - return sum(hmac1); - } -}; - -#endif - |