#include <dl_scheme.h>

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

secure_vector< uint8_t >	DER_encode () const

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

	DL_PrivateKey (const DL_Group &group, const BigInt &private_key)

	DL_PrivateKey (const DL_Group &group, RandomNumberGenerator &rng)

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

const DL_Group &	group () const

const BigInt &	private_key () const

std::shared_ptr< DL_PublicKey >	public_key () const

secure_vector< uint8_t >	raw_private_key_bits () const

Detailed Description

Definition at line 49 of file dl_scheme.h.

Constructor & Destructor Documentation

◆ DL_PrivateKey() [1/3]

Botan::DL_PrivateKey::DL_PrivateKey	(	const DL_Group &	group,
		const BigInt &	private_key )

Definition at line 68 of file dl_scheme.cpp.

                                                                             :
      m_group(group),
      m_private_key(check_dl_private_key_input(private_key, m_group)),
      m_public_key(m_group.power_g_p(m_private_key, m_private_key.bits())) {}

◆ DL_PrivateKey() [2/3]

Botan::DL_PrivateKey::DL_PrivateKey	(	const DL_Group &	group,
		RandomNumberGenerator &	rng )

Definition at line 73 of file dl_scheme.cpp.

                                                                              :
      m_group(group),
      m_private_key(generate_private_dl_key(group, rng)),
      m_public_key(m_group.power_g_p(m_private_key, m_private_key.bits())) {}

◆ DL_PrivateKey() [3/3]

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

Definition at line 78 of file dl_scheme.cpp.

                                                     :
      m_group(alg_id.parameters(), format),
      m_private_key(check_dl_private_key_input(decode_single_bigint(key_bits), m_group)),
      m_public_key(m_group.power_g_p(m_private_key, m_group.p_bits())) {}

Member Function Documentation

◆ check_key()

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

Definition at line 93 of file dl_scheme.cpp.

                                                                           {
   return m_group.verify_group(rng, strong) && m_group.verify_private_element(m_private_key);
}

References Botan::DL_Group::verify_group(), and Botan::DL_Group::verify_private_element().

◆ DER_encode()

secure_vector< uint8_t > Botan::DL_PrivateKey::DER_encode ( ) const

DER encode the private key

Definition at line 85 of file dl_scheme.cpp.

                                                       {
   return DER_Encoder().encode(m_private_key).get_contents();
}

References Botan::DER_Encoder::encode(), and Botan::DER_Encoder::get_contents().

◆ get_int_field()

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

Definition at line 115 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 == "x") {
      return m_private_key;
   } else if(field == "y") {
      return m_public_key;
   } else {
      throw Unknown_PK_Field_Name(algo, field);
   }
}

References Botan::DL_Group::get_g(), Botan::DL_Group::get_p(), and Botan::DL_Group::get_q().

◆ group()

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

inline

Return the group this key operates in

Definition at line 67 of file dl_scheme.h.

67{ return m_group; }

◆ private_key()

const BigInt & Botan::DL_PrivateKey::private_key ( ) const

inline

Return the integer value of the private key

Definition at line 72 of file dl_scheme.h.

72{ return m_private_key; }

◆ public_key()

std::shared_ptr< DL_PublicKey > Botan::DL_PrivateKey::public_key ( ) const

Return a new shared_ptr of the associated public key

Definition at line 97 of file dl_scheme.cpp.

                                                            {
   return std::make_shared<DL_PublicKey>(m_group, m_public_key);
}

◆ raw_private_key_bits()

secure_vector< uint8_t > Botan::DL_PrivateKey::raw_private_key_bits ( ) const

Return the raw serialization of the private key

Definition at line 89 of file dl_scheme.cpp.

                                                                 {
   return m_private_key.serialize<secure_vector<uint8_t>>();
}

References Botan::BigInt::serialize().

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