#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_