#include <dl_scheme.h>

Public Member Functions
bool	check_key (RandomNumberGenerator &rng, bool strong) const

std::vector< uint8_t >	DER_encode () const

	DL_PublicKey (const AlgorithmIdentifier &alg_id, std::span< const uint8_t > key_bits, DL_Group_Format format)

	DL_PublicKey (const DL_Group &group, const BigInt &public_key)

size_t	estimated_strength () const

const BigInt &	get_int_field (std::string_view algo_name, std::string_view field) const

const DL_Group &	group () const

size_t	p_bits () const

const BigInt &	public_key () const

std::vector< uint8_t >	public_key_as_bytes () const

Detailed Description

Definition at line 21 of file dl_scheme.h.

Constructor & Destructor Documentation

◆ DL_PublicKey() [1/2]

Botan::DL_PublicKey::DL_PublicKey	(	const DL_Group &	group,
		const BigInt &	public_key )

Definition at line 38 of file dl_scheme.cpp.

38 :

39 m_group(group), m_public_key(public_key) {}

Botan::DL_PublicKey::public_key

const BigInt & public_key() const

Definition dl_scheme.h:31

Botan::DL_PublicKey::group

const DL_Group & group() const

Definition dl_scheme.h:29

References group(), and public_key().

◆ DL_PublicKey() [2/2]

Botan::DL_PublicKey::DL_PublicKey	(	const AlgorithmIdentifier &	alg_id,
		std::span< const uint8_t >	key_bits,
		DL_Group_Format	format )

Definition at line 41 of file dl_scheme.cpp.

43 :

44 m_group(alg_id.parameters(), format), m_public_key(decode_single_bigint(key_bits)) {}

Member Function Documentation

◆ check_key()

bool Botan::DL_PublicKey::check_key	(	RandomNumberGenerator &	rng,
		bool	strong ) const

Definition at line 56 of file dl_scheme.cpp.

56 {

57 return m_group.verify_group(rng, strong) && m_group.verify_public_element(m_public_key);

58}

◆ DER_encode()

std::vector< uint8_t > Botan::DL_PublicKey::DER_encode ( ) const

Definition at line 50 of file dl_scheme.cpp.

                                                  {
   std::vector<uint8_t> output;
   DER_Encoder(output).encode(m_public_key);
   return output;
}

References Botan::DER_Encoder::encode().

◆ estimated_strength()

size_t Botan::DL_PublicKey::estimated_strength ( ) const

Definition at line 60 of file dl_scheme.cpp.

60 {

61 return m_group.estimated_strength();

62}

◆ get_int_field()

const BigInt & Botan::DL_PublicKey::get_int_field	(	std::string_view	algo_name,
		std::string_view	field ) const

Definition at line 101 of file dl_scheme.cpp.

                                                                                         {
   if(field == "p") {
      return m_group.get_p();
   } else if(field == "q") {
      return m_group.get_q();
   } else if(field == "g") {
      return m_group.get_g();
   } else if(field == "y") {
      return m_public_key;
   } else {
      throw Unknown_PK_Field_Name(algo, field);
   }
}

◆ group()

const DL_Group & Botan::DL_PublicKey::group ( ) const

inline

Definition at line 29 of file dl_scheme.h.

29{ return m_group; }

Referenced by DL_PublicKey().

◆ p_bits()

size_t Botan::DL_PublicKey::p_bits ( ) const

Definition at line 64 of file dl_scheme.cpp.

64 {

65 return m_group.p_bits();

66}

◆ public_key()

const BigInt & Botan::DL_PublicKey::public_key ( ) const

inline

Definition at line 31 of file dl_scheme.h.

31{ return m_public_key; }

Referenced by DL_PublicKey().

◆ public_key_as_bytes()

std::vector< uint8_t > Botan::DL_PublicKey::public_key_as_bytes ( ) const

Definition at line 46 of file dl_scheme.cpp.

46 {

47 return m_public_key.serialize(m_group.p_bytes());

48}

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

src/lib/pubkey/dl_algo/dl_scheme.h
src/lib/pubkey/dl_algo/dl_scheme.cpp

Public Member Functions