Botan  1.11.34
Crypto and TLS for C++11
Public Member Functions | Protected Attributes | List of all members
Botan::DH_PrivateKey Class Referenceabstract

#include <dh.h>

Inheritance diagram for Botan::DH_PrivateKey:
Botan::DH_PublicKey Botan::PK_Key_Agreement_Key Botan::DL_Scheme_PrivateKey Botan::DL_Scheme_PublicKey Botan::Private_Key Botan::DL_Scheme_PublicKey Botan::Private_Key Botan::Public_Key Botan::Public_Key Botan::Public_Key Botan::Public_Key

Public Member Functions

std::string algo_name () const override
 
AlgorithmIdentifier algorithm_identifier () const override
 
bool check_key (RandomNumberGenerator &rng, bool) const override
 
bool check_key (RandomNumberGenerator &rng, bool) const override
 
virtual std::unique_ptr< PK_Ops::Decryptioncreate_decryption_op (RandomNumberGenerator &rng, const std::string &params, const std::string &provider) const
 
virtual std::unique_ptr< PK_Ops::Encryptioncreate_encryption_op (RandomNumberGenerator &rng, const std::string &params, const std::string &provider) const
 
virtual std::unique_ptr< PK_Ops::KEM_Decryptioncreate_kem_decryption_op (RandomNumberGenerator &rng, const std::string &params, const std::string &provider) const
 
virtual std::unique_ptr< PK_Ops::KEM_Encryptioncreate_kem_encryption_op (RandomNumberGenerator &rng, const std::string &params, const std::string &provider) const
 
std::unique_ptr< PK_Ops::Key_Agreementcreate_key_agreement_op (RandomNumberGenerator &rng, const std::string &params, const std::string &provider) const override
 
virtual std::unique_ptr< PK_Ops::Signaturecreate_signature_op (RandomNumberGenerator &rng, const std::string &params, const std::string &provider) const
 
virtual std::unique_ptr< PK_Ops::Verificationcreate_verification_op (const std::string &params, const std::string &provider) const
 
 DH_PrivateKey (const AlgorithmIdentifier &alg_id, const secure_vector< byte > &key_bits)
 
 DH_PrivateKey (RandomNumberGenerator &rng, const DL_Group &grp, const BigInt &x=0)
 
size_t estimated_strength () const override
 
std::string fingerprint (const std::string &alg="SHA") const
 
const DL_Groupget_domain () const
 
virtual OID get_oid () const
 
const BigIntget_x () const
 
const BigIntget_y () const
 
DL_Group::Format group_format () const override
 
const BigIntgroup_g () const
 
const BigIntgroup_p () const
 
const BigIntgroup_q () const
 
size_t key_length () const override
 
virtual size_t message_part_size () const
 
virtual size_t message_parts () const
 
virtual AlgorithmIdentifier pkcs8_algorithm_identifier () const
 
secure_vector< bytepkcs8_private_key () const override
 
virtual secure_vector< bytepkcs8_private_key () const =0
 
std::vector< bytepublic_value () const override
 
std::vector< bytex509_subject_public_key () const override
 

Protected Attributes

DL_Group m_group
 
BigInt m_x
 
BigInt m_y
 

Detailed Description

This class represents Diffie-Hellman private keys.

Definition at line 49 of file dh.h.

Constructor & Destructor Documentation

§ DH_PrivateKey() [1/2]

Botan::DH_PrivateKey::DH_PrivateKey ( const AlgorithmIdentifier alg_id,
const secure_vector< byte > &  key_bits 
)

Load a private key.

Parameters
alg_idthe X.509 algorithm identifier
key_bitsPKCS #8 structure

Definition at line 61 of file dh.cpp.

References Botan::DL_Scheme_PublicKey::group_g(), Botan::DL_Scheme_PublicKey::group_p(), Botan::DL_Scheme_PrivateKey::m_x, Botan::DL_Scheme_PublicKey::m_y, and Botan::power_mod().

62  :
64  {
65  if(m_y == 0)
66  m_y = power_mod(group_g(), m_x, group_p());
67  }
const BigInt & group_p() const
Definition: dl_algo.h:43
BigInt power_mod(const BigInt &base, const BigInt &exp, const BigInt &mod)
Definition: numthry.cpp:370
const BigInt & group_g() const
Definition: dl_algo.h:55

§ DH_PrivateKey() [2/2]

Botan::DH_PrivateKey::DH_PrivateKey ( RandomNumberGenerator rng,
const DL_Group grp,
const BigInt x = 0 
)

Create a private key.

Parameters
rngrandom number generator to use
grpthe group to be used in the key
xthe key's secret value (or if zero, generate a new key)

Definition at line 36 of file dh.cpp.

References Botan::DL_Scheme_PublicKey::group_p(), and Botan::DL_Scheme_PublicKey::m_group.

39  {
40  m_group = grp;
41 
42  if(x_arg == 0)
43  {
44  const BigInt& p = group_p();
45  m_x.randomize(rng, dl_exponent_size(p.bits()));
46  }
47  else
48  {
49  m_x = x_arg;
50  }
51 
52  if(m_y == 0)
53  {
54  m_y = power_mod(group_g(), m_x, group_p());
55  }
56  }
size_t dl_exponent_size(size_t bits)
Definition: workfactor.cpp:40
void randomize(RandomNumberGenerator &rng, size_t bitsize, bool set_high_bit=true)
Definition: big_rand.cpp:17
const BigInt & group_p() const
Definition: dl_algo.h:43
BigInt power_mod(const BigInt &base, const BigInt &exp, const BigInt &mod)
Definition: numthry.cpp:370
const BigInt & group_g() const
Definition: dl_algo.h:55

Member Function Documentation

§ algo_name()

std::string Botan::DH_PublicKey::algo_name ( ) const
inlineoverridevirtualinherited

Get the name of the underlying public key scheme.

Returns
name of the public key scheme

Implements Botan::Public_Key.

Definition at line 21 of file dh.h.

Referenced by create_key_agreement_op().

21 { return "DH"; }

§ algorithm_identifier()

AlgorithmIdentifier Botan::DL_Scheme_PublicKey::algorithm_identifier ( ) const
overridevirtualinherited
Returns
X.509 AlgorithmIdentifier for this key

Implements Botan::Public_Key.

Definition at line 26 of file dl_algo.cpp.

References Botan::DL_Group::DER_encode(), Botan::Public_Key::get_oid(), Botan::DL_Scheme_PublicKey::group_format(), and Botan::DL_Scheme_PublicKey::m_group.

27  {
28  return AlgorithmIdentifier(get_oid(),
30  }
virtual OID get_oid() const
Definition: pk_keys.cpp:20
virtual DL_Group::Format group_format() const =0
std::vector< byte > DER_encode(Format format) const
Definition: dl_group.cpp:196

§ check_key() [1/2]

bool Botan::DL_Scheme_PublicKey::check_key ( RandomNumberGenerator rng,
bool  strong 
) const
overridevirtualinherited

Test the key values for consistency.

Parameters
rngrng to use
strongwhether to perform strong and lengthy version of the test
Returns
true if the test is passed

Implements Botan::Public_Key.

Reimplemented in Botan::DL_Scheme_PrivateKey, Botan::DSA_PrivateKey, and Botan::ElGamal_PrivateKey.

Definition at line 63 of file dl_algo.cpp.

References Botan::DL_Scheme_PublicKey::group_p(), Botan::DL_Scheme_PublicKey::m_group, and Botan::DL_Group::verify_group().

65  {
66  if(m_y < 2 || m_y >= group_p())
67  return false;
68  if(!m_group.verify_group(rng, strong))
69  return false;
70  return true;
71  }
bool verify_group(RandomNumberGenerator &rng, bool strong) const
Definition: dl_group.cpp:145
const BigInt & group_p() const
Definition: dl_algo.h:43

§ check_key() [2/2]

bool Botan::DL_Scheme_PrivateKey::check_key ( RandomNumberGenerator rng,
bool  strong 
) const
overridevirtualinherited

Test the key values for consistency.

Parameters
rngrng to use
strongwhether to perform strong and lengthy version of the test
Returns
true if the test is passed

Reimplemented from Botan::DL_Scheme_PublicKey.

Reimplemented in Botan::DSA_PrivateKey, and Botan::ElGamal_PrivateKey.

Definition at line 76 of file dl_algo.cpp.

References Botan::DL_Scheme_PublicKey::group_g(), Botan::DL_Scheme_PublicKey::group_p(), Botan::DL_Scheme_PublicKey::m_group, Botan::DL_Scheme_PublicKey::m_y, Botan::power_mod(), and Botan::DL_Group::verify_group().

Referenced by Botan::ElGamal_PrivateKey::check_key(), and Botan::DSA_PrivateKey::check_key().

78  {
79  const BigInt& p = group_p();
80  const BigInt& g = group_g();
81 
82  if(m_y < 2 || m_y >= p || m_x < 2 || m_x >= p)
83  return false;
84  if(!m_group.verify_group(rng, strong))
85  return false;
86 
87  if(!strong)
88  return true;
89 
90  if(m_y != power_mod(g, m_x, p))
91  return false;
92 
93  return true;
94  }
bool verify_group(RandomNumberGenerator &rng, bool strong) const
Definition: dl_group.cpp:145
const BigInt & group_p() const
Definition: dl_algo.h:43
BigInt power_mod(const BigInt &base, const BigInt &exp, const BigInt &mod)
Definition: numthry.cpp:370
const BigInt & group_g() const
Definition: dl_algo.h:55

§ create_decryption_op()

std::unique_ptr< PK_Ops::Decryption > Botan::Private_Key::create_decryption_op ( RandomNumberGenerator rng,
const std::string &  params,
const std::string &  provider 
) const
virtualinherited

This is an internal library function exposed on key types. In almost all cases applications should use wrappers in pubkey.h

Return an decryption operation for this key/params or throw

Parameters
rnga random number generator. The PK_Op may maintain a reference to the RNG and use it many times. The rng must outlive any operations which reference it.
paramsadditional parameters
providerthe provider to use

Reimplemented in Botan::RSA_PrivateKey, and Botan::ElGamal_PrivateKey.

Definition at line 79 of file pk_keys.cpp.

References Botan::Public_Key::algo_name().

Referenced by Botan::PK_Decryptor_EME::PK_Decryptor_EME().

82  {
83  throw Lookup_Error(algo_name() + " does not support decryption");
84  }
virtual std::string algo_name() const =0

§ create_encryption_op()

std::unique_ptr< PK_Ops::Encryption > Botan::Public_Key::create_encryption_op ( RandomNumberGenerator rng,
const std::string &  params,
const std::string &  provider 
) const
virtualinherited

This is an internal library function exposed on key types. In almost all cases applications should use wrappers in pubkey.h

Return an encryption operation for this key/params or throw

Parameters
rnga random number generator. The PK_Op may maintain a reference to the RNG and use it many times. The rng must outlive any operations which reference it.
paramsadditional parameters
providerthe provider to use

Reimplemented in Botan::RSA_PublicKey, and Botan::ElGamal_PublicKey.

Definition at line 56 of file pk_keys.cpp.

References Botan::Public_Key::algo_name().

Referenced by Botan::PK_Encryptor_EME::PK_Encryptor_EME().

59  {
60  throw Lookup_Error(algo_name() + " does not support encryption");
61  }
virtual std::string algo_name() const =0

§ create_kem_decryption_op()

std::unique_ptr< PK_Ops::KEM_Decryption > Botan::Private_Key::create_kem_decryption_op ( RandomNumberGenerator rng,
const std::string &  params,
const std::string &  provider 
) const
virtualinherited

This is an internal library function exposed on key types. In almost all cases applications should use wrappers in pubkey.h

Return a KEM decryption operation for this key/params or throw

Parameters
rnga random number generator. The PK_Op may maintain a reference to the RNG and use it many times. The rng must outlive any operations which reference it.
paramsadditional parameters
providerthe provider to use

Reimplemented in Botan::RSA_PrivateKey, and Botan::McEliece_PrivateKey.

Definition at line 87 of file pk_keys.cpp.

References Botan::Public_Key::algo_name().

Referenced by Botan::PK_KEM_Decryptor::PK_KEM_Decryptor().

90  {
91  throw Lookup_Error(algo_name() + " does not support KEM decryption");
92  }
virtual std::string algo_name() const =0

§ create_kem_encryption_op()

std::unique_ptr< PK_Ops::KEM_Encryption > Botan::Public_Key::create_kem_encryption_op ( RandomNumberGenerator rng,
const std::string &  params,
const std::string &  provider 
) const
virtualinherited

This is an internal library function exposed on key types. In almost all cases applications should use wrappers in pubkey.h

Return a KEM encryption operation for this key/params or throw

Parameters
rnga random number generator. The PK_Op may maintain a reference to the RNG and use it many times. The rng must outlive any operations which reference it.
paramsadditional parameters
providerthe provider to use

Reimplemented in Botan::RSA_PublicKey, and Botan::McEliece_PublicKey.

Definition at line 64 of file pk_keys.cpp.

References Botan::Public_Key::algo_name().

Referenced by Botan::PK_KEM_Encryptor::PK_KEM_Encryptor().

67  {
68  throw Lookup_Error(algo_name() + " does not support KEM encryption");
69  }
virtual std::string algo_name() const =0

§ create_key_agreement_op()

std::unique_ptr< PK_Ops::Key_Agreement > Botan::DH_PrivateKey::create_key_agreement_op ( RandomNumberGenerator rng,
const std::string &  params,
const std::string &  provider 
) const
overridevirtual

This is an internal library function exposed on key types. In almost all cases applications should use wrappers in pubkey.h

Return a key agreement operation for this key/params or throw

Parameters
rnga random number generator. The PK_Op may maintain a reference to the RNG and use it many times. The rng must outlive any operations which reference it.
paramsadditional parameters
providerthe provider to use

Reimplemented from Botan::Private_Key.

Definition at line 119 of file dh.cpp.

References Botan::DH_PublicKey::algo_name().

122  {
123  if(provider == "base" || provider.empty())
124  return std::unique_ptr<PK_Ops::Key_Agreement>(new DH_KA_Operation(*this, params, rng));
125  throw Provider_Not_Found(algo_name(), provider);
126  }
std::string algo_name() const override
Definition: dh.h:21

§ create_signature_op()

std::unique_ptr< PK_Ops::Signature > Botan::Private_Key::create_signature_op ( RandomNumberGenerator rng,
const std::string &  params,
const std::string &  provider 
) const
virtualinherited

This is an internal library function exposed on key types. In almost all cases applications should use wrappers in pubkey.h

Return a signature operation for this key/params or throw

Parameters
rnga random number generator. The PK_Op may maintain a reference to the RNG and use it many times. The rng must outlive any operations which reference it.
paramsadditional parameters
providerthe provider to use

Reimplemented in Botan::XMSS_WOTS_PrivateKey, Botan::XMSS_PrivateKey, Botan::TPM_PrivateKey, Botan::RSA_PrivateKey, Botan::GOST_3410_PrivateKey, Botan::ECDSA_PrivateKey, Botan::ECGDSA_PrivateKey, Botan::ECKCDSA_PrivateKey, and Botan::DSA_PrivateKey.

Definition at line 95 of file pk_keys.cpp.

References Botan::Public_Key::algo_name().

Referenced by Botan::PK_Signer::PK_Signer().

98  {
99  throw Lookup_Error(algo_name() + " does not support signatures");
100  }
virtual std::string algo_name() const =0

§ create_verification_op()

std::unique_ptr< PK_Ops::Verification > Botan::Public_Key::create_verification_op ( const std::string &  params,
const std::string &  provider 
) const
virtualinherited

This is an internal library function exposed on key types. In almost all cases applications should use wrappers in pubkey.h

Return a verification operation for this key/params or throw

Parameters
paramsadditional parameters
providerthe provider to use

Reimplemented in Botan::XMSS_WOTS_PublicKey, Botan::XMSS_PublicKey, Botan::RSA_PublicKey, Botan::XMSS_WOTS_Addressed_PublicKey, Botan::GOST_3410_PublicKey, Botan::ECDSA_PublicKey, Botan::ECGDSA_PublicKey, Botan::ECKCDSA_PublicKey, and Botan::DSA_PublicKey.

Definition at line 72 of file pk_keys.cpp.

References Botan::Public_Key::algo_name().

Referenced by Botan::PK_Verifier::PK_Verifier().

74  {
75  throw Lookup_Error(algo_name() + " does not support verification");
76  }
virtual std::string algo_name() const =0

§ estimated_strength()

size_t Botan::DL_Scheme_PublicKey::estimated_strength ( ) const
overridevirtualinherited

Return the estimated strength of the underlying key against the best currently known attack. Note that this ignores anything but pure attacks against the key itself and do not take into account padding schemes, usage mistakes, etc which might reduce the strength. However it does suffice to provide an upper bound.

Returns
estimated strength in bits

Implements Botan::Public_Key.

Definition at line 21 of file dl_algo.cpp.

References Botan::dl_work_factor(), and Botan::DL_Scheme_PublicKey::key_length().

22  {
23  return dl_work_factor(key_length());
24  }
size_t key_length() const override
Definition: dl_algo.cpp:16
size_t dl_work_factor(size_t bits)
Definition: workfactor.cpp:34

§ fingerprint()

std::string Botan::Private_Key::fingerprint ( const std::string &  alg = "SHA") const
inherited
Returns
Hash of the PKCS #8 encoding for this key object

Definition at line 34 of file pk_keys.cpp.

References Botan::HashFunction::create(), hash, and Botan::hex_encode().

Referenced by Botan::Certificate_Store_In_SQL::find_certs_for_key(), Botan::Certificate_Store_In_SQL::insert_key(), and Botan::Certificate_Store_In_SQL::remove_key().

35  {
36  secure_vector<byte> buf = pkcs8_private_key();
37  std::unique_ptr<HashFunction> hash(HashFunction::create(alg));
38  hash->update(buf);
39  const auto hex_print = hex_encode(hash->final());
40 
41  std::string formatted_print;
42 
43  for(size_t i = 0; i != hex_print.size(); i += 2)
44  {
45  formatted_print.push_back(hex_print[i]);
46  formatted_print.push_back(hex_print[i+1]);
47 
48  if(i != hex_print.size() - 2)
49  formatted_print.push_back(':');
50  }
51 
52  return formatted_print;
53  }
virtual secure_vector< byte > pkcs8_private_key() const =0
static std::unique_ptr< HashFunction > create(const std::string &algo_spec, const std::string &provider="")
Definition: hash.cpp:93
MechanismType hash
void hex_encode(char output[], const byte input[], size_t input_length, bool uppercase)
Definition: hex.cpp:14

§ get_domain()

const DL_Group& Botan::DL_Scheme_PublicKey::get_domain ( ) const
inlineinherited

Get the DL domain parameters of this key.

Returns
DL domain parameters of this key

Definition at line 32 of file dl_algo.h.

32 { return m_group; }

§ get_oid()

OID Botan::Public_Key::get_oid ( ) const
virtualinherited

Get the OID of the underlying public key scheme.

Returns
OID of the public key scheme

Reimplemented in Botan::XMSS_WOTS_Addressed_PublicKey.

Definition at line 20 of file pk_keys.cpp.

References Botan::Public_Key::algo_name(), and Botan::OIDS::lookup().

Referenced by Botan::DL_Scheme_PublicKey::algorithm_identifier(), Botan::Curve25519_PublicKey::algorithm_identifier(), Botan::McEliece_PublicKey::algorithm_identifier(), Botan::RSA_PublicKey::algorithm_identifier(), Botan::GOST_3410_PublicKey::algorithm_identifier(), Botan::EC_PublicKey::algorithm_identifier(), Botan::TPM_PrivateKey::algorithm_identifier(), and Botan::XMSS_WOTS_Addressed_PublicKey::get_oid().

21  {
22  try {
23  return OIDS::lookup(algo_name());
24  }
25  catch(Lookup_Error&)
26  {
27  throw Lookup_Error("PK algo " + algo_name() + " has no defined OIDs");
28  }
29  }
virtual std::string algo_name() const =0
std::string lookup(const OID &oid)
Definition: oids.cpp:18

§ get_x()

const BigInt& Botan::DL_Scheme_PrivateKey::get_x ( ) const
inlineinherited

Get the secret key x.

Returns
secret key

Definition at line 103 of file dl_algo.h.

Referenced by Botan::DSA_PrivateKey::check_key().

103 { return m_x; }

§ get_y()

const BigInt& Botan::DL_Scheme_PublicKey::get_y ( ) const
inlineinherited

Get the public value y with y = g^x mod p where x is the secret key.

Definition at line 37 of file dl_algo.h.

37 { return m_y; }

§ group_format()

DL_Group::Format Botan::DH_PublicKey::group_format ( ) const
inlineoverridevirtualinherited

Get the underlying groups encoding format.

Returns
encoding format

Implements Botan::DL_Scheme_PublicKey.

Definition at line 25 of file dh.h.

References Botan::DL_Group::ANSI_X9_42.

§ group_g()

const BigInt& Botan::DL_Scheme_PublicKey::group_g ( ) const
inlineinherited

Get the generator g of the underlying DL group.

Returns
generator g

Definition at line 55 of file dl_algo.h.

Referenced by Botan::DL_Scheme_PrivateKey::check_key(), DH_PrivateKey(), Botan::DSA_PrivateKey::DSA_PrivateKey(), and Botan::ElGamal_PrivateKey::ElGamal_PrivateKey().

55 { return m_group.get_g(); }
const BigInt & get_g() const
Definition: dl_group.cpp:176

§ group_p()

const BigInt& Botan::DL_Scheme_PublicKey::group_p ( ) const
inlineinherited

§ group_q()

const BigInt& Botan::DL_Scheme_PublicKey::group_q ( ) const
inlineinherited

Get the prime q of the underlying DL group.

Returns
prime q

Definition at line 49 of file dl_algo.h.

Referenced by Botan::DSA_PrivateKey::check_key().

49 { return m_group.get_q(); }
const BigInt & get_q() const
Definition: dl_group.cpp:185

§ key_length()

size_t Botan::DL_Scheme_PublicKey::key_length ( ) const
overridevirtualinherited

Return an integer value best approximating the length of the primary security parameter. For example for RSA this will be the size of the modulus, for ECDSA the size of the ECC group, and for McEliece the size of the code will be returned.

Implements Botan::Public_Key.

Definition at line 16 of file dl_algo.cpp.

References Botan::BigInt::bits(), Botan::DL_Group::get_p(), and Botan::DL_Scheme_PublicKey::m_group.

Referenced by Botan::DL_Scheme_PublicKey::estimated_strength().

17  {
18  return m_group.get_p().bits();
19  }
size_t bits() const
Definition: bigint.cpp:184
const BigInt & get_p() const
Definition: dl_group.cpp:167

§ message_part_size()

virtual size_t Botan::Public_Key::message_part_size ( ) const
inlinevirtualinherited

Returns how large each of the message parts refered to by message_parts() is

This function is public but applications should have few reasons to ever call this.

Returns
size of the message parts in bits

Reimplemented in Botan::GOST_3410_PublicKey, Botan::ECDSA_PublicKey, Botan::ECGDSA_PublicKey, Botan::ECKCDSA_PublicKey, and Botan::DSA_PublicKey.

Definition at line 106 of file pk_keys.h.

Referenced by Botan::PK_Signer::PK_Signer(), and Botan::PK_Verifier::PK_Verifier().

106 { return 0; }

§ message_parts()

virtual size_t Botan::Public_Key::message_parts ( ) const
inlinevirtualinherited

Returns more than 1 if the output of this algorithm (ciphertext, signature) should be treated as more than one value. This is used for algorithms like DSA and ECDSA, where the (r,s) output pair can be encoded as either a plain binary list or a TLV tagged DER encoding depending on the protocol.

This function is public but applications should have few reasons to ever call this.

Returns
number of message parts

Reimplemented in Botan::GOST_3410_PublicKey, Botan::ECDSA_PublicKey, Botan::ECGDSA_PublicKey, Botan::ECKCDSA_PublicKey, and Botan::DSA_PublicKey.

Definition at line 95 of file pk_keys.h.

Referenced by Botan::X509_Object::check_signature(), Botan::choose_sig_format(), Botan::PK_Signer::PK_Signer(), and Botan::PK_Verifier::PK_Verifier().

95 { return 1; }

§ pkcs8_algorithm_identifier()

virtual AlgorithmIdentifier Botan::Private_Key::pkcs8_algorithm_identifier ( ) const
inlinevirtualinherited
Returns
PKCS #8 AlgorithmIdentifier for this key Might be different from the X.509 identifier, but normally is not

Reimplemented in Botan::XMSS_WOTS_PrivateKey, Botan::GOST_3410_PrivateKey, and Botan::XMSS_WOTS_Addressed_PrivateKey.

Definition at line 170 of file pk_keys.h.

Referenced by Botan::PKCS8::BER_encode().

171  { return algorithm_identifier(); }
virtual AlgorithmIdentifier algorithm_identifier() const =0

§ pkcs8_private_key() [1/2]

secure_vector< byte > Botan::DL_Scheme_PrivateKey::pkcs8_private_key ( ) const
overridevirtualinherited
Returns
PKCS #8 private key encoding for this key object

Implements Botan::Private_Key.

Definition at line 46 of file dl_algo.cpp.

References Botan::DER_Encoder::encode().

47  {
48  return DER_Encoder().encode(m_x).get_contents();
49  }

§ pkcs8_private_key() [2/2]

virtual secure_vector<byte> Botan::Private_Key::pkcs8_private_key ( ) const
pure virtualinherited

§ public_value()

std::vector< byte > Botan::DH_PrivateKey::public_value ( ) const
overridevirtual

Implements Botan::PK_Key_Agreement_Key.

Definition at line 72 of file dh.cpp.

References Botan::DH_PublicKey::public_value().

Referenced by Botan::TLS::Client_Key_Exchange::Client_Key_Exchange().

73  {
75  }
std::vector< byte > public_value() const
Definition: dh.cpp:28

§ x509_subject_public_key()

std::vector< byte > Botan::DL_Scheme_PublicKey::x509_subject_public_key ( ) const
overridevirtualinherited
Returns
X.509 subject key encoding for this key object

Implements Botan::Public_Key.

Definition at line 32 of file dl_algo.cpp.

References Botan::DER_Encoder::encode(), Botan::DER_Encoder::get_contents_unlocked(), and Botan::DL_Scheme_PublicKey::m_y.

33  {
34  return DER_Encoder().encode(m_y).get_contents_unlocked();
35  }

Member Data Documentation

§ m_group

DL_Group Botan::DL_Scheme_PublicKey::m_group
protectedinherited

§ m_x

BigInt Botan::DL_Scheme_PrivateKey::m_x
protectedinherited

§ m_y

BigInt Botan::DL_Scheme_PublicKey::m_y
protectedinherited

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