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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
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, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
/*****************************************************************************
*
* $/Plasma20/Sources/Plasma/NucleusLib/pnUtils/Private/pnUtCrypt.h
*
***/
#ifdef PLASMA20_SOURCES_PLASMA_NUCLEUSLIB_PNUTILS_PRIVATE_PNUTCRYPT_H
#error "Header $/Plasma20/Sources/Plasma/NucleusLib/pnUtils/Private/pnUtCrypt.h included more than once"
#endif
#define PLASMA20_SOURCES_PLASMA_NUCLEUSLIB_PNUTILS_PRIVATE_PNUTCRYPT_H
/*****************************************************************************
*
* Types and constants
*
***/
struct CryptKey;
enum ECryptAlgorithm {
kCryptSha,
kCryptSha1,
kCryptMd5,
kCryptRc4,
kCryptRsa,
kNumCryptAlgorithms
};
struct ShaDigest {
dword data[5];
};
/*****************************************************************************
*
* Digest functions
*
***/
void CryptDigest (
ECryptAlgorithm algorithm,
void * dest, // must be sized to the algorithm's digest size
const unsigned sourceBytes,
const void * sourceData
);
void CryptDigest (
ECryptAlgorithm algorithm,
void * dest, // must be sized to the algorithm's digest size
unsigned sourceCount,
const unsigned sourceBytes[], // [sourceCount]
const void * sourcePtrs[] // [sourceCount]
);
/*****************************************************************************
*
* Key generation
*
***/
CryptKey * CryptKeyCreate (
ECryptAlgorithm algorithm,
unsigned bytes,
const void * data
);
void CryptKeyClose (
CryptKey * key
);
void CryptKeyGenerate (
ECryptAlgorithm algorithm,
unsigned keyBits, // used for algorithms with variable key strength
unsigned randomBytes,
const void * randomData,
ARRAY(byte) * privateData,
ARRAY(byte) * publicData // only for public key cryptography
);
unsigned CryptKeyGetBlockSize (
CryptKey * key
);
void CryptCreateRandomSeed (
unsigned bytes,
byte * data
);
void CryptHashPassword (
const wchar username[],
const wchar password[],
ShaDigest * namePassHash
);
void CryptHashPasswordChallenge (
unsigned clientChallenge,
unsigned serverChallenge,
const ShaDigest & namePassHash,
ShaDigest * challengeHash
);
void CryptCreateFastWeakChallenge (
unsigned * challenge,
unsigned val1,
unsigned val2
);
/*****************************************************************************
*
* Encryption and Decryption
*
***/
void CryptEncrypt (
CryptKey * key,
ARRAY(byte) * dest,
unsigned sourceBytes,
const void * sourceData
);
void CryptEncrypt (
CryptKey * key,
unsigned bytes,
void * data
);
void CryptDecrypt (
CryptKey * key,
ARRAY(byte) * dest, // padded out to the algorithm's block size
unsigned sourceBytes,
const void * sourceData
);
void CryptDecrypt (
CryptKey * key,
unsigned bytes,
void * data
);