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b3a68ed095
DirtySDK (EA's Dirty Sockets library) will be used for the LiveAPI implementation, and depends on: EABase, EAThread.
138 lines
5.7 KiB
C
138 lines
5.7 KiB
C
/*H*************************************************************************************************/
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/*!
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\File cryptmd5.h
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\Description
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The MD5 message digest algorithm developed by Ron Rivest and documented
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in RFC1321. This implementation is based on the RFC but does not use the
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sample code.. It should be free from intellectual property concerns and
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a reference is included below which further clarifies this point.
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Note that this implementation is limited to hashing no more than 2^32
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bytes after which its results would be impatible with a fully compliant
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implementation.
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\Notes
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http://www.ietf.org/ietf/IPR/RSA-MD-all
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The following was recevied Fenbruary 23,2000
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From: "Linn, John" <jlinn@rsasecurity.com>
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February 19, 2000
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The purpose of this memo is to clarify the status of intellectual
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property rights asserted by RSA Security Inc. ("RSA") in the MD2, MD4 and
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MD5 message-digest algorithms, which are documented in RFC-1319, RFC-1320,
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and RFC-1321 respectively.
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Implementations of these message-digest algorithms, including
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implementations derived from the reference C code in RFC-1319, RFC-1320, and
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RFC-1321, may be made, used, and sold without license from RSA for any
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purpose.
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No rights other than the ones explicitly set forth above are
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granted. Further, although RSA grants rights to implement certain
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algorithms as defined by identified RFCs, including implementations derived
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from the reference C code in those RFCs, no right to use, copy, sell, or
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distribute any other implementations of the MD2, MD4, or MD5 message-digest
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algorithms created, implemented, or distributed by RSA is hereby granted by
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implication, estoppel, or otherwise. Parties interested in licensing
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security components and toolkits written by RSA should contact the company
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to discuss receiving a license. All other questions should be directed to
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Margaret K. Seif, General Counsel, RSA Security Inc., 36 Crosby Drive,
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Bedford, Massachusetts 01730.
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Implementations of the MD2, MD4, or MD5 algorithms may be subject to
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United States laws and regulations controlling the export of technical data,
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computer software, laboratory prototypes and other commodities (including
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the Arms Export Control Act, as amended, and the Export Administration Act
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of 1970). The transfer of certain technical data and commodities may
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require a license from the cognizant agency of the United States Government.
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RSA neither represents that a license shall not be required for a particular
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implementation nor that, if required, one shall be issued.
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DISCLAIMER: RSA MAKES NO REPRESENTATIONS AND EXTENDS NO WARRANTIES
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OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, VALIDITY OF
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INTELLECTUAL PROPERTY RIGHTS, ISSUED OR PENDING, OR THE ABSENCE OF LATENT OR
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OTHER DEFECTS, WHETHER OR NOT DISCOVERABLE, IN CONNECTION WITH THE MD2, MD4,
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OR MD5 ALGORITHMS. NOTHING IN THIS GRANT OF RIGHTS SHALL BE CONSTRUED AS A
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REPRESENTATION OR WARRANTY GIVEN BY RSA THAT THE IMPLEMENTATION OF THE
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ALGORITHM WILL NOT INFRINGE THE INTELLECTUAL PROPERTY RIGHTS OF ANY THIRD
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PARTY. IN NO EVENT SHALL RSA, ITS TRUSTEES, DIRECTORS, OFFICERS, EMPLOYEES,
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PARENTS AND AFFILIATES BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES OF
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ANY KIND RESULTING FROM IMPLEMENTATION OF THIS ALGORITHM, INCLUDING ECONOMIC
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DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, REGARDLESS OF WHETHER RSA
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SHALL BE ADVISED, SHALL HAVE OTHER REASON TO KNOW, OR IN FACT SHALL KNOW OF
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\Copyright
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Copyright (c) Tiburon Entertainment / Electronic Arts 2002. ALL RIGHTS RESERVED.
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\Version 1.0 03/16/2001 (GWS) First Version
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*/
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/*************************************************************************************************H*/
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#ifndef _cryptmd5_h
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#define _cryptmd5_h
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/*!
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\Moduledef CryptMD5 CryptMD5
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\Modulemember Crypt
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*/
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//@{
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/*** Include files *********************************************************************/
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#include "DirtySDK/platform.h"
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/*** Defines ***************************************************************************/
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#define MD5_BINARY_OUT 16 //!< length of binary output
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#define MD5_STRING_OUT 33 //!< length of string output
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/*** Macros ****************************************************************************/
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/*** Type Definitions ******************************************************************/
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typedef struct CryptMD5T CryptMD5T;
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//! all fields are PRIVATE
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struct CryptMD5T
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{
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unsigned char strData[64+8];//!< partial data block (8 for padding)
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uint32_t uCount; //!< total byte count
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uint32_t uRegs[4]; //!< the digest registers
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};
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/*** Variables *************************************************************************/
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/*** Functions *************************************************************************/
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#ifdef __cplusplus
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extern "C" {
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#endif
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// init the MD5 context.
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DIRTYCODE_API void CryptMD5Init(CryptMD5T *pContext);
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// init the MD5 context (alternate form)
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DIRTYCODE_API void CryptMD5Init2(CryptMD5T *pContext, int32_t iHashSize);
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// add data to the MD5 context (hash the data).
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DIRTYCODE_API void CryptMD5Update(CryptMD5T *pContext, const void *pBuffer, int32_t iLength);
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// convert MD5 state into final output form
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DIRTYCODE_API void CryptMD5Final(CryptMD5T *pContext, void *pBuffer, int32_t iLength);
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#ifdef __cplusplus
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}
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#endif
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//@}
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#endif // _cryptmd5_h
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