/************************************************* * DER Encoder Header File * * (C) 1999-2007 Jack Lloyd * *************************************************/ #ifndef BOTAN_DER_ENCODER_H__ #define BOTAN_DER_ENCODER_H__ #include #include namespace Botan { /************************************************* * General DER Encoding Object * *************************************************/ class BOTAN_DLL DER_Encoder { public: SecureVector get_contents(); DER_Encoder& start_cons(ASN1_Tag, ASN1_Tag = UNIVERSAL); DER_Encoder& end_cons(); DER_Encoder& start_explicit(u16bit); DER_Encoder& end_explicit(); DER_Encoder& raw_bytes(const byte[], u32bit); DER_Encoder& raw_bytes(const MemoryRegion&); DER_Encoder& encode_null(); DER_Encoder& encode(bool); DER_Encoder& encode(u32bit); DER_Encoder& encode(const class BigInt&); DER_Encoder& encode(const MemoryRegion&, 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&, ASN1_Tag, ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC); DER_Encoder& encode(const byte[], u32bit, ASN1_Tag, ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC); template DER_Encoder& encode_optional(const T& value, const T& default_value) { if(value != default_value) encode(value); return (*this); } template DER_Encoder& encode_list(const std::vector& values) { for(u32bit j = 0; j != values.size(); ++j) encode(values[j]); return (*this); } DER_Encoder& encode(const class ASN1_Object&); DER_Encoder& encode_if(bool, DER_Encoder&); DER_Encoder& add_object(ASN1_Tag, ASN1_Tag, const byte[], u32bit); DER_Encoder& add_object(ASN1_Tag, ASN1_Tag, const MemoryRegion&); DER_Encoder& add_object(ASN1_Tag, ASN1_Tag, const std::string&); DER_Encoder& add_object(ASN1_Tag, ASN1_Tag, byte); private: class DER_Sequence { public: ASN1_Tag tag_of() const; SecureVector get_contents(); void add_bytes(const byte[], u32bit); DER_Sequence(ASN1_Tag, ASN1_Tag); private: ASN1_Tag type_tag, class_tag; SecureVector contents; std::vector< SecureVector > set_contents; }; SecureVector contents; std::vector subsequences; }; } #endif