www.pudn.com > ntcrypto.rar > encode.h

#include "algid.h" 
 
#ifndef _ENCODE_H_ 
#define	_ENCODE_H_ 
 
#ifdef __cplusplus 
extern "C" { 
#endif 
 
/* tag definitions for ASN.1 encoding decoding */ 
#define	INTEGER_TAG			0x02 
#define	CHAR_STRING_TAG		0x16 
#define	OCTET_STRING_TAG	0x04 
#define	BIT_STRING_TAG		0x03 
#define	UTCTIME_TAG			0x17 
#define	SEQUENCE_TAG		0x36 
#define	SET_OF_TAG			0x11 
#define	OBJECT_ID_TAG		0x06 
 
/* definitions of maximum lengths needed for the ASN.1 encoded 
   form of some of the common fields in a certificate */ 
#define	MAXVALIDITYLEN		0x24 
#define	MAXKEYINFOLEN		0x50 
#define MAXALGIDLEN			0x0A 
#define	MAXOBJIDLEN			0x0A 
#define MAXNAMEVALUELEN		0x40 
#define	UTCTIMELEN			0x0F 
#define	MAXPUBKEYDATALEN	0x30 
#define	VERSIONLEN			0x03 
#define MAXENCODEDSIGLEN	0x30 
#define	MAXHEADERLEN		0x08 
#define	MINHEADERLEN		0x03 
#define	MAXTIMELEN			0x20 
 
/* definitions for scrubbing memory */ 
#define	ALLBITSOFF			0x00 
#define	ALLBITSON			0xFF 
 
/* prototypes for the functions in encode.c */ 
long EncodeLength (BYTE *pbEncoded, DWORD dwLen, BOOL Writeflag); 
long EncodeAlgid (BYTE *pbEncoded, ALG_ID Algid, BOOL Writeflag); 
long EncodeInteger (BYTE *pbEncoded, CONST BYTE *pbInt, DWORD dwLen, BOOL Writeflag); 
long EncodeString (BYTE *pbEncoded, CONST BYTE *pbStr, DWORD dwLen, BOOL Writeflag); 
long EncodeOctetString (BYTE *pbEncoded, CONST BYTE *pbStr, DWORD dwLen, BOOL Writeflag); 
long EncodeBitString (BYTE *pbEncoded, CONST BYTE *pbStr, DWORD dwLen, BOOL Writeflag); 
long EncodeUTCTime (BYTE *pbEncoded, time_t Time, BOOL Writeflag); 
long EncodeHeader (BYTE *pbEncoded, DWORD dwLen, BOOL Writeflag); 
long EncodeSetOfHeader (BYTE *pbEncoded, DWORD dwLen, BOOL Writeflag); 
long EncodeName (BYTE *pbEncoded, CONST BYTE *pbName, DWORD dwLen, BOOL Writeflag); 
long DecodeLength (DWORD *pdwLen, CONST BYTE *pbEncoded); 
long DecodeAlgid (ALG_ID *pAlgid, CONST BYTE *pbEncoded, BOOL Writeflag); 
long DecodeHeader (DWORD *pdwLen, CONST BYTE *pbEncoded); 
long DecodeSetOfHeader (DWORD *pdwLen, CONST BYTE *pbEncoded); 
long DecodeInteger (BYTE *pbInt, DWORD *pdwLen, CONST BYTE *pbEncoded, BOOL Writeflag); 
long DecodeString (BYTE *pbStr, DWORD *pdwLen, CONST BYTE *pbEncoded, BOOL Writeflag); 
long DecodeOctetString (BYTE *pbStr, DWORD *pdwLen, CONST BYTE *pbEncoded, BOOL Writeflag); 
long DecodeBitString (BYTE *pbStr, DWORD *pdwLen, CONST BYTE *pbEncoded, BOOL Writeflag); 
long DecodeUTCTime (time_t *pTime, CONST BYTE *pbEncoded, BOOL Writeflag); 
long DecodeName (BYTE *pbName, DWORD *pdwLen, CONST BYTE *pbEncoded, BOOL Writeflag); 
 
#ifdef __cplusplus 
} 
#endif 
 
#endif	// _ENCODE_H_