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/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2009 InspIRCd Development Team
* See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#ifndef __HASH_H__
#define __HASH_H__
#include "modules.h"
#define SHA256_DIGEST_SIZE (256 / 8)
#define SHA256_BLOCK_SIZE (512 / 8)
/** Query a hash algorithm's name
*
* Example:
* \code
* cout << "Using hash algorithm: " << HashNameRequest(this, HashModule).response;
* \endcode
*/
struct HashNameRequest : public Request
{
std::string response;
HashNameRequest(Module* Me, Module* Target) : Request(Me, Target, "NAME")
{
Send();
}
};
/** Send this class to the hashing module to HashSUM a std::string.
*
* Example:
* \code
* // Get the Hash sum of the string 'doodads'.
* std::string result = HashRequest(this, HashModule, "doodads").result;
* \endcode
*/
struct HashRequest : public Request
{
const std::string data;
std::string binresult;
/** Initialize HashSumRequest for sending.
* @param Me A pointer to the sending module
* @param Target A pointer to the hashing module
* @param data The data to be hashed
*/
HashRequest(Module* Me, Module* Target, const std::string &sdata)
: Request(Me, Target, "HASH"), data(sdata)
{
Send();
}
inline std::string hex()
{
return BinToHex(binresult);
}
};
/** 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.
*
* Only m_md5 implements this request; only m_cloaking should use it.
*
* Example:
* \code
* unsigned int iv[] = { 0xFFFFFFFF, 0x00000000, 0xAAAAAAAA, 0xCCCCCCCC };
* std::string result = HashRequestIV(this, HashModule, iv, "0123456789abcdef", "data").result;
* \endcode
*/
struct HashRequestIV : public Request
{
unsigned int* iv;
const char* map;
std::string result;
const std::string data;
HashRequestIV(Module* Me, Module* Target, unsigned int* IV, const char* HexMap, const std::string &sdata)
: Request(Me, Target, "HASH-IV"), iv(IV), map(HexMap), data(sdata)
{
Send();
}
};
#endif
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