Botan::AlgorithmIdentifier Class Reference

#include <alg_id.h>

Inheritance diagram for Botan::AlgorithmIdentifier:

Public Types
enum	Encoding_Option { USE_NULL_PARAM }

Public Member Functions
	AlgorithmIdentifier ()
	AlgorithmIdentifier (const OID &, const MemoryRegion< byte > &)
	AlgorithmIdentifier (const OID &, Encoding_Option)
	AlgorithmIdentifier (const std::string &, const MemoryRegion< byte > &)
	AlgorithmIdentifier (const std::string &, Encoding_Option)
void	decode_from (class BER_Decoder &)
void	encode_into (class DER_Encoder &) const

Public Attributes
OID	oid
SecureVector< byte >	parameters

Detailed Description

Algorithm Identifier

Definition at line 20 of file alg_id.h.

Member Enumeration Documentation

Encoding_Option

enum Botan::AlgorithmIdentifier::Encoding_Option

Enumerator
USE_NULL_PARAM

Definition at line 23 of file alg_id.h.

{ USE_NULL_PARAM };

Constructor & Destructor Documentation

AlgorithmIdentifier() [1/5]

Botan::AlgorithmIdentifier::AlgorithmIdentifier ( )

inline

Definition at line 28 of file alg_id.h.

{}

Referenced by Botan::DL_Scheme_PublicKey::algorithm_identifier(), Botan::EC_PublicKey::algorithm_identifier(), Botan::IF_Scheme_PublicKey::algorithm_identifier(), Botan::CMS_Encoder::compress(), Botan::CVC_EAC::create_cvc_req(), Botan::CVC_EAC::create_self_signed_cert(), Botan::CMS_Encoder::digest(), Botan::CMS_Encoder::encrypt(), and Botan::CMS_Encoder::sign().

AlgorithmIdentifier() [2/5]

Botan::AlgorithmIdentifier::AlgorithmIdentifier	(	const OID &	alg_id,
		Encoding_Option	option )

Definition at line 38 of file alg_id.cpp.

   {
   const byte DER_NULL[] = { 0x05, 0x00 };
 
   oid = alg_id;
 
   if(option == USE_NULL_PARAM)
      {
      parameters += std::pair<const byte*, size_t>(
         DER_NULL, sizeof(DER_NULL));
      }
   }

References oid, parameters, and USE_NULL_PARAM.

AlgorithmIdentifier() [3/5]

Botan::AlgorithmIdentifier::AlgorithmIdentifier	(	const std::string &	alg_id,
		Encoding_Option	option )

Definition at line 55 of file alg_id.cpp.

   {
   const byte DER_NULL[] = { 0x05, 0x00 };
 
   oid = OIDS::lookup(alg_id);
 
   if(option == USE_NULL_PARAM)
      {
      parameters += std::pair<const byte*, size_t>(
         DER_NULL, sizeof(DER_NULL));
      }
   }

References Botan::OIDS::lookup(), oid, parameters, and USE_NULL_PARAM.

AlgorithmIdentifier() [4/5]

Botan::AlgorithmIdentifier::AlgorithmIdentifier	(	const OID &	alg_id,
		const MemoryRegion< byte > &	param )

Definition at line 18 of file alg_id.cpp.

   {
   oid = alg_id;
   parameters = param;
   }

References oid, and parameters.

AlgorithmIdentifier() [5/5]

Botan::AlgorithmIdentifier::AlgorithmIdentifier	(	const std::string &	alg_id,
		const MemoryRegion< byte > &	param )

Definition at line 28 of file alg_id.cpp.

   {
   oid = OIDS::lookup(alg_id);
   parameters = param;
   }

References Botan::OIDS::lookup(), oid, and parameters.

Member Function Documentation

decode_from()

void Botan::AlgorithmIdentifier::decode_from ( class BER_Decoder & from )

virtual

Decode whatever this object is from from

Parameters

from	the BER_Decoder that will be read from

Implements Botan::ASN1_Object.

Definition at line 103 of file alg_id.cpp.

   {
   codec.start_cons(SEQUENCE)
      .decode(oid)
      .raw_bytes(parameters)
   .end_cons();
   }

References Botan::BER_Decoder::decode(), Botan::BER_Decoder::end_cons(), oid, parameters, Botan::BER_Decoder::raw_bytes(), Botan::SEQUENCE, and Botan::BER_Decoder::start_cons().

encode_into()

void Botan::AlgorithmIdentifier::encode_into ( class DER_Encoder & to ) const

virtual

Encode whatever this object is into to

Parameters

to	the DER_Encoder that will be written to

Implements Botan::ASN1_Object.

Definition at line 92 of file alg_id.cpp.

   {
   codec.start_cons(SEQUENCE)
      .encode(oid)
      .raw_bytes(parameters)
   .end_cons();
   }

References Botan::DER_Encoder::encode(), Botan::DER_Encoder::end_cons(), oid, parameters, Botan::DER_Encoder::raw_bytes(), Botan::SEQUENCE, and Botan::DER_Encoder::start_cons().

Member Data Documentation

oid

OID Botan::AlgorithmIdentifier::oid

Definition at line 35 of file alg_id.h.

Referenced by AlgorithmIdentifier(), AlgorithmIdentifier(), AlgorithmIdentifier(), AlgorithmIdentifier(), Botan::EAC_Signed_Object::check_signature(), Botan::X509_Object::check_signature(), Botan::choose_sig_format(), Botan::CVC_EAC::create_ado_req(), Botan::CVC_EAC::create_cvc_req(), Botan::CVC_EAC::create_self_signed_cert(), decode_from(), encode_into(), Botan::X509_Object::hash_used_for_signature(), Botan::DE_EAC::link_cvca(), Botan::PKCS8::load_key(), Botan::make_private_key(), Botan::make_public_key(), Botan::operator==(), and Botan::DE_EAC::sign_request().

parameters

SecureVector<byte> Botan::AlgorithmIdentifier::parameters

Definition at line 36 of file alg_id.h.

Referenced by AlgorithmIdentifier(), AlgorithmIdentifier(), AlgorithmIdentifier(), AlgorithmIdentifier(), Botan::choose_sig_format(), decode_from(), Botan::DL_Scheme_PrivateKey::DL_Scheme_PrivateKey(), Botan::DL_Scheme_PublicKey::DL_Scheme_PublicKey(), Botan::EC_PrivateKey::EC_PrivateKey(), Botan::EC_PublicKey::EC_PublicKey(), encode_into(), and Botan::operator==().

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The documentation for this class was generated from the following files:

• src/asn1/alg_id.h
• src/asn1/alg_id.cpp