Botan::DL_PublicKey Class Reference

#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.

                                                                          :
      m_group(group), m_public_key(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.

                                                   :
      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.

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

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

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.

                                              {
   return m_group.estimated_strength();
}

References Botan::DL_Group::estimated_strength().

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);
   }
}

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

group()

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

inline

Definition at line 29 of file dl_scheme.h.

{ return m_group; }

p_bits()

size_t Botan::DL_PublicKey::p_bits

(

)

const

Definition at line 64 of file dl_scheme.cpp.

                                  {
   return m_group.p_bits();
}

References Botan::DL_Group::p_bits().

public_key()

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

inline

Definition at line 31 of file dl_scheme.h.

{ return m_public_key; }

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.

                                                           {
   return m_public_key.serialize(m_group.p_bytes());
}

References Botan::DL_Group::p_bytes(), and Botan::BigInt::serialize().

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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