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/*************************************************
* DER Encoder Header File *
* (C) 1999-2006 The Botan Project *
*************************************************/
#ifndef BOTAN_DER_ENCODER_H__
#define BOTAN_DER_ENCODER_H__
#include <botan/asn1_oid.h>
#include <vector>
namespace Botan {
/*************************************************
* General DER Encoding Object *
*************************************************/
class DER_Encoder
{
public:
SecureVector<byte> get_contents();
DER_Encoder& start_sequence(ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
DER_Encoder& end_sequence(ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
DER_Encoder& start_set(ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
DER_Encoder& end_set(ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
DER_Encoder& start_sequence();
DER_Encoder& end_sequence();
DER_Encoder& start_set();
DER_Encoder& end_set();
DER_Encoder& start_explicit(ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
DER_Encoder& end_explicit(ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
DER_Encoder& add_raw_octets(const byte[], u32bit);
DER_Encoder& add_raw_octets(const MemoryRegion<byte>&);
DER_Encoder& encode_null();
DER_Encoder& encode(bool);
DER_Encoder& encode(u32bit);
DER_Encoder& encode(const class BigInt&);
DER_Encoder& encode(const MemoryRegion<byte>&, ASN1_Tag);
DER_Encoder& encode(const byte[], u32bit, ASN1_Tag);
DER_Encoder& encode(bool, ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
DER_Encoder& encode(u32bit, ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
DER_Encoder& encode(const class BigInt&, ASN1_Tag,
ASN1_Tag = CONTEXT_SPECIFIC);
DER_Encoder& encode(const MemoryRegion<byte>&, ASN1_Tag,
ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
DER_Encoder& encode(const byte[], u32bit, ASN1_Tag,
ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
DER_Encoder& encode(const class ASN1_Object&);
DER_Encoder& add_object(ASN1_Tag, ASN1_Tag, const byte[], u32bit);
DER_Encoder& add_object(ASN1_Tag, ASN1_Tag, const MemoryRegion<byte>&);
DER_Encoder& add_object(ASN1_Tag, ASN1_Tag, const std::string&);
DER_Encoder& add_object(ASN1_Tag, ASN1_Tag, byte);
DER_Encoder();
private:
DER_Encoder& start_cons(ASN1_Tag, ASN1_Tag, bool);
DER_Encoder& end_cons(ASN1_Tag, ASN1_Tag);
class DER_Sequence
{
public:
ASN1_Tag tag_of() const;
SecureVector<byte> get_contents();
void add_bytes(const byte[], u32bit);
DER_Sequence(ASN1_Tag, ASN1_Tag, bool = false);
private:
ASN1_Tag type_tag, class_tag;
bool is_a_set;
SecureVector<byte> contents;
std::vector< SecureVector<byte> > set_contents;
};
SecureVector<byte> contents;
std::vector<DER_Sequence> subsequences;
u32bit sequence_level;
};
}
#endif
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