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68 lines
1.5 KiB
68 lines
1.5 KiB
//-----------------------------------------------------------------------------
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//
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// File: pkcrypto.h
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//
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// Microsoft Digital Rights Management
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// Copyright (C) Microsoft Corporation, 1998 - 1999, All Rights Reserved
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//
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// Description:
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// public key crypto library
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//
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// Author: marcuspe
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//
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//-----------------------------------------------------------------------------
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#ifndef __DRMPKCRYPTO_H__
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#define __DRMPKCRYPTO_H__
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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#include <wtypes.h>
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#define LNGQDW 5
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/*
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typedef struct {
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DWORD y[2*LNGQDW];
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} PUBKEY;
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typedef struct {
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DWORD x[LNGQDW];
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} PRIVKEY;
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*/
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#define PK_ENC_PUBLIC_KEY_LEN (2 * LNGQDW * sizeof(DWORD))
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#define PK_ENC_PRIVATE_KEY_LEN ( LNGQDW * sizeof(DWORD))
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#define PK_ENC_PLAINTEXT_LEN ((LNGQDW-1) * sizeof(DWORD))
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#define PK_ENC_CIPHERTEXT_LEN (4 * LNGQDW * sizeof(DWORD))
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#define PK_ENC_SIGNATURE_LEN (2 * LNGQDW * sizeof(DWORD))
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typedef struct {
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BYTE y[ PK_ENC_PUBLIC_KEY_LEN ];
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} PUBKEY;
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typedef struct {
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BYTE x[ PK_ENC_PRIVATE_KEY_LEN ];
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} PRIVKEY;
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class CDRMPKCrypto {
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private:
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char *pkd;
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public:
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CDRMPKCrypto();
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~CDRMPKCrypto();
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HRESULT PKinit();
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HRESULT PKencrypt( PUBKEY *pk, BYTE *in, BYTE *out );
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HRESULT PKdecrypt( PRIVKEY *pk, BYTE *in, BYTE *out );
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HRESULT PKsign( PRIVKEY *privkey, BYTE *buffer, DWORD lbuf, BYTE *sign );
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BOOL PKverify( PUBKEY *pubkey, BYTE *buffer, DWORD lbuf, BYTE *sign );
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HRESULT PKGenKeyPair( PUBKEY *pPub, PRIVKEY *pPriv );
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};
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#endif
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