Botan  2.18.1
Crypto and TLS for C++11
Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
Botan::XMSS_WOTS_PrivateKey Class Referencefinal

#include <xmss_wots.h>

Inheritance diagram for Botan::XMSS_WOTS_PrivateKey:
Botan::XMSS_WOTS_PublicKey Botan::Private_Key Botan::Public_Key Botan::Public_Key

Public Member Functions

std::string algo_name () const override
 
AlgorithmIdentifier algorithm_identifier () const override
 
wots_keysig_t at (size_t i, XMSS_Hash &hash)
 
wots_keysig_t at (const XMSS_Address &adrs, XMSS_Hash &hash)
 
bool check_key (RandomNumberGenerator &, 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
 
virtual std::unique_ptr< PK_Ops::Key_Agreementcreate_key_agreement_op (RandomNumberGenerator &rng, const std::string &params, const std::string &provider) const
 
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
 
virtual Signature_Format default_x509_signature_format () const
 
size_t estimated_strength () const override
 
std::string fingerprint (const std::string &alg) const
 
std::string fingerprint_private (const std::string &alg) const
 
std::string fingerprint_public (const std::string &alg="SHA-256") const
 
wots_keysig_t generate_private_key (const secure_vector< uint8_t > &priv_seed)
 
XMSS_WOTS_PublicKey generate_public_key (XMSS_Address &adrs)
 
void generate_public_key (XMSS_WOTS_PublicKey &pub_key, wots_keysig_t &&in_key_data, XMSS_Address &adrs, XMSS_Hash &hash)
 
void generate_public_key (XMSS_WOTS_PublicKey &pub_key, wots_keysig_t &&in_key_data, XMSS_Address &adrs)
 
virtual OID get_oid () const
 
const wots_keysig_tkey_data () const
 
wots_keysig_tkey_data ()
 
size_t key_length () const override
 
virtual size_t message_part_size () const
 
virtual size_t message_parts () const
 
 operator const wots_keysig_t & () const
 
 operator wots_keysig_t & ()
 
bool operator!= (const XMSS_WOTS_PublicKey &key)
 
bool operator== (const XMSS_WOTS_PublicKey &key)
 
const secure_vector< uint8_t > & operator[] (size_t i) const
 
wots_keysig_t operator[] (size_t i)
 
wots_keysig_t operator[] (const XMSS_Address &adrs)
 
AlgorithmIdentifier pkcs8_algorithm_identifier () const override
 
secure_vector< uint8_t > private_key_bits () const override
 
secure_vector< uint8_t > private_key_info () const
 
const secure_vector< uint8_t > & private_seed () const
 
std::vector< uint8_t > public_key_bits () const override
 
const secure_vector< uint8_t > & public_seed () const
 
secure_vector< uint8_t > & public_seed ()
 
void set_key_data (const wots_keysig_t &key_data)
 
void set_key_data (wots_keysig_t &&key_data)
 
void set_private_seed (const secure_vector< uint8_t > &private_seed)
 
void set_private_seed (secure_vector< uint8_t > &&private_seed)
 
void set_public_seed (const secure_vector< uint8_t > &public_seed)
 
void set_public_seed (secure_vector< uint8_t > &&public_seed)
 
wots_keysig_t sign (const secure_vector< uint8_t > &msg, XMSS_Address &adrs)
 
wots_keysig_t sign (const secure_vector< uint8_t > &msg, XMSS_Address &adrs, XMSS_Hash &hash)
 
virtual bool stateful_operation () const
 
std::vector< uint8_t > subject_public_key () const
 
const XMSS_WOTS_Parameterswots_parameters () const
 
 XMSS_WOTS_PrivateKey (XMSS_WOTS_Parameters::ots_algorithm_t oid)
 
 XMSS_WOTS_PrivateKey (XMSS_WOTS_Parameters::ots_algorithm_t oid, RandomNumberGenerator &rng)
 
 XMSS_WOTS_PrivateKey (XMSS_WOTS_Parameters::ots_algorithm_t oid, const secure_vector< uint8_t > &public_seed, RandomNumberGenerator &rng)
 
 XMSS_WOTS_PrivateKey (XMSS_WOTS_Parameters::ots_algorithm_t oid, const secure_vector< uint8_t > &public_seed)
 
 XMSS_WOTS_PrivateKey (XMSS_WOTS_Parameters::ots_algorithm_t oid, const secure_vector< uint8_t > &public_seed, const secure_vector< uint8_t > &private_seed)
 

Protected Member Functions

void chain (secure_vector< uint8_t > &x, size_t start_idx, size_t steps, XMSS_Address &adrs, const secure_vector< uint8_t > &public_seed, XMSS_Hash &hash)
 
void chain (secure_vector< uint8_t > &x, size_t start_idx, size_t steps, XMSS_Address &adrs, const secure_vector< uint8_t > &public_seed)
 

Protected Attributes

XMSS_Hash m_hash
 
wots_keysig_t m_key
 
secure_vector< uint8_t > m_public_seed
 
XMSS_WOTS_Parameters m_wots_params
 

Detailed Description

A Winternitz One Time Signature private key for use with Extended Hash-Based Signatures.

Definition at line 455 of file xmss_wots.h.

Constructor & Destructor Documentation

◆ XMSS_WOTS_PrivateKey() [1/5]

Botan::XMSS_WOTS_PrivateKey::XMSS_WOTS_PrivateKey ( XMSS_WOTS_Parameters::ots_algorithm_t  oid)
inline

Creates a WOTS private key for the chosen XMSS WOTS signature method. Members need to be initialized manually.

Parameters
oidIdentifier for the selected signature method.

Definition at line 465 of file xmss_wots.h.

466  : XMSS_WOTS_PublicKey(oid)
467  {}
XMSS_WOTS_PublicKey(XMSS_WOTS_Parameters::ots_algorithm_t oid)
Definition: xmss_wots.h:186

◆ XMSS_WOTS_PrivateKey() [2/5]

Botan::XMSS_WOTS_PrivateKey::XMSS_WOTS_PrivateKey ( XMSS_WOTS_Parameters::ots_algorithm_t  oid,
RandomNumberGenerator rng 
)
inline

Creates a WOTS private key for the chosen XMSS WOTS signature method.

Parameters
oidIdentifier for the selected signature method.
rngA random number generator to use for key generation.

Definition at line 475 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::set_key_data().

477  : XMSS_WOTS_PublicKey(oid, rng),
478  m_private_seed(rng.random_vec(m_wots_params.element_size()))
479  {
480  set_key_data(generate(m_private_seed));
481  }
XMSS_WOTS_PublicKey(XMSS_WOTS_Parameters::ots_algorithm_t oid)
Definition: xmss_wots.h:186
void set_key_data(const wots_keysig_t &key_data)
Definition: xmss_wots.h:321
size_t element_size() const
Definition: xmss_wots.h:85
XMSS_WOTS_Parameters m_wots_params
Definition: xmss_wots.h:427

◆ XMSS_WOTS_PrivateKey() [3/5]

Botan::XMSS_WOTS_PrivateKey::XMSS_WOTS_PrivateKey ( XMSS_WOTS_Parameters::ots_algorithm_t  oid,
const secure_vector< uint8_t > &  public_seed,
RandomNumberGenerator rng 
)
inline

Constructs a WOTS private key. Chains will be generated on demand applying a hash function to a unique value generated from a secret seed and a counter. The secret seed of length n, will be automatically generated using AutoSeeded_RNG(). "n" equals the element size of the chosen WOTS security parameter set.

Parameters
oidIdentifier for the selected signature method.
public_seedA public seed used for the pseudo random generation of public keys derived from this private key.
rngA random number generator to use for key generation.

Definition at line 495 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::set_key_data().

499  m_private_seed(rng.random_vec(m_wots_params.element_size()))
500  {
501  set_key_data(generate(m_private_seed));
502  }
const secure_vector< uint8_t > & public_seed() const
Definition: xmss_wots.h:303
XMSS_WOTS_PublicKey(XMSS_WOTS_Parameters::ots_algorithm_t oid)
Definition: xmss_wots.h:186
void set_key_data(const wots_keysig_t &key_data)
Definition: xmss_wots.h:321
size_t element_size() const
Definition: xmss_wots.h:85
XMSS_WOTS_Parameters m_wots_params
Definition: xmss_wots.h:427

◆ XMSS_WOTS_PrivateKey() [4/5]

Botan::XMSS_WOTS_PrivateKey::XMSS_WOTS_PrivateKey ( XMSS_WOTS_Parameters::ots_algorithm_t  oid,
const secure_vector< uint8_t > &  public_seed 
)
inline

Constructs a WOTS private key. Chains will be generated on demand applying a hash function to a unique value generated from a secret seed and a counter. The secret seed of length n, will be automatically generated using AutoSeeded_RNG(). "n" equals the element size of the chosen WOTS security parameter set.

Parameters
oidIdentifier for the selected signature method.
public_seedA public seed used for the pseudo random generation of public keys derived from this private key.

Definition at line 515 of file xmss_wots.h.

518  {}
const secure_vector< uint8_t > & public_seed() const
Definition: xmss_wots.h:303
XMSS_WOTS_PublicKey(XMSS_WOTS_Parameters::ots_algorithm_t oid)
Definition: xmss_wots.h:186

◆ XMSS_WOTS_PrivateKey() [5/5]

Botan::XMSS_WOTS_PrivateKey::XMSS_WOTS_PrivateKey ( XMSS_WOTS_Parameters::ots_algorithm_t  oid,
const secure_vector< uint8_t > &  public_seed,
const secure_vector< uint8_t > &  private_seed 
)
inline

Constructs a WOTS private key. Chains will be generated on demand applying a hash function to a unique value generated from the secret seed and a counter.

Parameters
oidIdentifier for the selected signature method.
public_seedA public seed used for the pseudo random generation of public keys derived from this private key.
private_seedA secret uniformly random n-byte value.

Definition at line 530 of file xmss_wots.h.

References private_seed(), and Botan::XMSS_WOTS_PublicKey::set_key_data().

534  m_private_seed(private_seed)
535  {
536  set_key_data(generate(private_seed));
537  }
const secure_vector< uint8_t > & public_seed() const
Definition: xmss_wots.h:303
XMSS_WOTS_PublicKey(XMSS_WOTS_Parameters::ots_algorithm_t oid)
Definition: xmss_wots.h:186
void set_key_data(const wots_keysig_t &key_data)
Definition: xmss_wots.h:321
const secure_vector< uint8_t > & private_seed() const
Definition: xmss_wots.h:686

Member Function Documentation

◆ algo_name()

std::string Botan::XMSS_WOTS_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 336 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::m_wots_params, and Botan::XMSS_WOTS_Parameters::name().

Referenced by Botan::XMSS_WOTS_Addressed_PublicKey::algo_name().

337  {
338  return m_wots_params.name();
339  }
const std::string & name() const
Definition: xmss_wots.h:65
XMSS_WOTS_Parameters m_wots_params
Definition: xmss_wots.h:427

◆ algorithm_identifier()

AlgorithmIdentifier Botan::XMSS_WOTS_PublicKey::algorithm_identifier ( ) const
inlineoverridevirtualinherited
Returns
X.509 AlgorithmIdentifier for this key

Implements Botan::Public_Key.

Definition at line 341 of file xmss_wots.h.

Referenced by Botan::XMSS_WOTS_Addressed_PublicKey::algorithm_identifier().

342  {
343  throw Not_Implemented("No AlgorithmIdentifier available for XMSS-WOTS.");
344  }

◆ at() [1/2]

wots_keysig_t Botan::XMSS_WOTS_PrivateKey::at ( size_t  i,
XMSS_Hash hash 
)

Retrieves the i-th WOTS private key using pseudo random key (re-)generation.

This overload is used in multithreaded scenarios, where it is required to provide seperate instances of XMSS_Hash to each thread.

Parameters
iIndex of the key to retrieve.
hashInstance of XMSS_Hash, that may only be used by the thead executing at.
Returns
WOTS secret key.

Definition at line 91 of file xmss_wots_privatekey.cpp.

References Botan::XMSS_Tools::concat(), Botan::XMSS_WOTS_Parameters::element_size(), hash, and Botan::XMSS_WOTS_PublicKey::m_wots_params.

Referenced by operator[](), and sign().

92  {
93  secure_vector<uint8_t> idx_bytes;
95  hash.h(idx_bytes, m_private_seed, idx_bytes);
96  return generate(idx_bytes, hash);
97  }
static void concat(secure_vector< uint8_t > &target, const T &src)
Definition: xmss_tools.h:63
size_t element_size() const
Definition: xmss_wots.h:85
MechanismType hash
XMSS_WOTS_Parameters m_wots_params
Definition: xmss_wots.h:427

◆ at() [2/2]

wots_keysig_t Botan::XMSS_WOTS_PrivateKey::at ( const XMSS_Address adrs,
XMSS_Hash hash 
)

Retrieves the i-th WOTS private key using pseudo random key (re-)generation.

This overload is used in multithreaded scenarios, where it is required to provide seperate instances of XMSS_Hash to each thread.

Parameters
adrsThe address of the key to retrieve.
hashInstance of XMSS_Hash, that may only be used by the thead executing at.
Returns
WOTS secret key.

Definition at line 84 of file xmss_wots_privatekey.cpp.

References Botan::XMSS_Address::bytes(), and hash.

85  {
86  secure_vector<uint8_t> result;
87  hash.prf(result, m_private_seed, adrs.bytes());
88  return generate(result, hash);
89  }
MechanismType hash

◆ chain() [1/2]

void Botan::XMSS_WOTS_PublicKey::chain ( secure_vector< uint8_t > &  x,
size_t  start_idx,
size_t  steps,
XMSS_Address adrs,
const secure_vector< uint8_t > &  public_seed,
XMSS_Hash hash 
)
protectedinherited

Algorithm 2: Chaining Function.

Takes an n-byte input string and transforms it into a the function result iterating the cryptographic hash function "F" steps times on the input x using the outputs of the PRNG "G".

This overload is used in multithreaded scenarios, where it is required to provide seperate instances of XMSS_Hash to each thread.

Parameters
[out]xAn n-byte input string, that will be transformed into the chaining function result.
start_idxThe start index.
stepsA number of steps.
adrsAn OTS Hash Address.
public_seedA public seed.
hashInstance of XMSS_Hash, that may only by the thead executing chain.

Definition at line 17 of file xmss_wots_publickey.cpp.

References Botan::XMSS_Address::bytes(), hash, Botan::XMSS_Address::Key_Mode, Botan::XMSS_WOTS_PublicKey::m_wots_params, Botan::XMSS_Address::Mask_Mode, Botan::XMSS_Address::set_hash_address(), Botan::XMSS_Address::set_key_mask_mode(), Botan::XMSS_WOTS_Parameters::wots_parameter(), and Botan::xor_buf().

Referenced by Botan::XMSS_WOTS_PublicKey::chain(), generate_public_key(), and sign().

23  {
24  secure_vector<uint8_t> prf_output(hash.output_length());
25 
26  for(size_t i = start_idx;
27  i < (start_idx + steps) && i < m_wots_params.wots_parameter();
28  i++)
29  {
30  adrs.set_hash_address(static_cast<uint32_t>(i));
31 
32  //Calculate tmp XOR bitmask
33  adrs.set_key_mask_mode(XMSS_Address::Key_Mask::Mask_Mode);
34  hash.prf(prf_output, seed, adrs.bytes());
35  xor_buf(result, prf_output, result.size());
36 
37  // Calculate key
38  adrs.set_key_mask_mode(XMSS_Address::Key_Mask::Key_Mode);
39 
40  //Calculate f(key, tmp XOR bitmask)
41  hash.prf(prf_output, seed, adrs.bytes());
42  hash.f(result, prf_output, result);
43  }
44  }
void xor_buf(uint8_t out[], const uint8_t in[], size_t length)
Definition: mem_ops.h:262
size_t wots_parameter() const
Definition: xmss_wots.h:93
MechanismType hash
XMSS_WOTS_Parameters m_wots_params
Definition: xmss_wots.h:427

◆ chain() [2/2]

void Botan::XMSS_WOTS_PublicKey::chain ( secure_vector< uint8_t > &  x,
size_t  start_idx,
size_t  steps,
XMSS_Address adrs,
const secure_vector< uint8_t > &  public_seed 
)
inlineprotectedinherited

Algorithm 2: Chaining Function.

Takes an n-byte input string and transforms it into a the function result iterating the cryptographic hash function "F" steps times on the input x using the outputs of the PRNG "G".

Parameters
[out]xAn n-byte input string, that will be transformed into the chaining function result.
start_idxThe start index.
stepsA number of steps.
adrsAn OTS Hash Address.
public_seedA public seed.

Definition at line 418 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::chain(), Botan::XMSS_WOTS_PublicKey::m_hash, and Botan::XMSS_WOTS_PublicKey::public_seed().

423  {
424  chain(x, start_idx, steps, adrs, public_seed, m_hash);
425  }
const secure_vector< uint8_t > & public_seed() const
Definition: xmss_wots.h:303
void chain(secure_vector< uint8_t > &x, size_t start_idx, size_t steps, XMSS_Address &adrs, const secure_vector< uint8_t > &public_seed, XMSS_Hash &hash)

◆ check_key()

bool Botan::XMSS_WOTS_PublicKey::check_key ( RandomNumberGenerator rng,
bool  strong 
) const
inlineoverridevirtualinherited

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.

Definition at line 346 of file xmss_wots.h.

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

347  {
348  return true;
349  }

◆ 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, Botan::SM2_PrivateKey, and Botan::ElGamal_PrivateKey.

Definition at line 114 of file pk_keys.cpp.

References Botan::Public_Key::algo_name().

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

117  {
118  throw Lookup_Error(algo_name() + " does not support decryption");
119  }
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, Botan::SM2_PublicKey, and Botan::ElGamal_PublicKey.

Definition at line 91 of file pk_keys.cpp.

References Botan::Public_Key::algo_name().

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

94  {
95  throw Lookup_Error(algo_name() + " does not support encryption");
96  }
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 122 of file pk_keys.cpp.

References Botan::Public_Key::algo_name().

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

125  {
126  throw Lookup_Error(algo_name() + " does not support KEM decryption");
127  }
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 99 of file pk_keys.cpp.

References Botan::Public_Key::algo_name().

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

102  {
103  throw Lookup_Error(algo_name() + " does not support KEM encryption");
104  }
virtual std::string algo_name() const =0

◆ create_key_agreement_op()

std::unique_ptr< PK_Ops::Key_Agreement > Botan::Private_Key::create_key_agreement_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 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 in Botan::ECDH_PrivateKey, Botan::Curve25519_PrivateKey, and Botan::DH_PrivateKey.

Definition at line 138 of file pk_keys.cpp.

References Botan::Public_Key::algo_name().

Referenced by Botan::PK_Key_Agreement::PK_Key_Agreement().

141  {
142  throw Lookup_Error(algo_name() + " does not support key agreement");
143  }
virtual std::string algo_name() const =0

◆ 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_PrivateKey, Botan::TPM_PrivateKey, Botan::RSA_PrivateKey, Botan::ECDSA_PrivateKey, Botan::GOST_3410_PrivateKey, Botan::SM2_PrivateKey, Botan::ECGDSA_PrivateKey, Botan::ECKCDSA_PrivateKey, Botan::Ed25519_PrivateKey, and Botan::DSA_PrivateKey.

Definition at line 130 of file pk_keys.cpp.

References Botan::Public_Key::algo_name().

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

133  {
134  throw Lookup_Error(algo_name() + " does not support signatures");
135  }
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_PublicKey, Botan::RSA_PublicKey, Botan::ECDSA_PublicKey, Botan::XMSS_WOTS_Addressed_PublicKey, Botan::GOST_3410_PublicKey, Botan::ECGDSA_PublicKey, Botan::ECKCDSA_PublicKey, Botan::SM2_PublicKey, Botan::Ed25519_PublicKey, and Botan::DSA_PublicKey.

Definition at line 107 of file pk_keys.cpp.

References Botan::Public_Key::algo_name().

Referenced by Botan::XMSS_WOTS_Addressed_PublicKey::create_verification_op(), and Botan::PK_Verifier::PK_Verifier().

109  {
110  throw Lookup_Error(algo_name() + " does not support verification");
111  }
virtual std::string algo_name() const =0

◆ default_x509_signature_format()

virtual Signature_Format Botan::Public_Key::default_x509_signature_format ( ) const
inlinevirtualinherited

Reimplemented in Botan::GOST_3410_PublicKey.

Definition at line 125 of file pk_keys.h.

References Botan::DER_SEQUENCE, and Botan::IEEE_1363.

Referenced by Botan::X509_Object::choose_sig_format(), and Botan::X509_Object::verify_signature().

126  {
127  return (this->message_parts() >= 2) ? DER_SEQUENCE : IEEE_1363;
128  }
virtual size_t message_parts() const
Definition: pk_keys.h:112

◆ estimated_strength()

size_t Botan::XMSS_WOTS_PublicKey::estimated_strength ( ) const
inlineoverridevirtualinherited

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 351 of file xmss_wots.h.

References Botan::XMSS_WOTS_Parameters::estimated_strength(), and Botan::XMSS_WOTS_PublicKey::m_wots_params.

Referenced by Botan::XMSS_WOTS_Addressed_PublicKey::estimated_strength(), and Botan::XMSS_WOTS_Addressed_PublicKey::key_length().

352  {
354  }
size_t estimated_strength() const
Definition: xmss_wots.h:105
XMSS_WOTS_Parameters m_wots_params
Definition: xmss_wots.h:427

◆ fingerprint()

std::string Botan::Private_Key::fingerprint ( const std::string &  alg) const
inlineinherited

Definition at line 215 of file pk_keys.h.

216  {
217  return fingerprint_private(alg); // match behavior in previous versions
218  }
std::string fingerprint_private(const std::string &alg) const
Definition: pk_keys.cpp:85

◆ fingerprint_private()

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

Definition at line 85 of file pk_keys.cpp.

References Botan::create_hex_fingerprint(), hash_algo, and Botan::Private_Key::private_key_bits().

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().

86  {
88  }
virtual secure_vector< uint8_t > private_key_bits() const =0
AlgorithmIdentifier hash_algo
Definition: x509_obj.cpp:22
std::string create_hex_fingerprint(const uint8_t bits[], size_t bits_len, const std::string &hash_name)
Definition: pk_keys.cpp:17

◆ fingerprint_public()

std::string Botan::Public_Key::fingerprint_public ( const std::string &  alg = "SHA-256") const
inherited
Returns
Hash of the subject public key

Definition at line 77 of file pk_keys.cpp.

References Botan::create_hex_fingerprint(), hash_algo, and Botan::Public_Key::subject_public_key().

78  {
80  }
AlgorithmIdentifier hash_algo
Definition: x509_obj.cpp:22
std::string create_hex_fingerprint(const uint8_t bits[], size_t bits_len, const std::string &hash_name)
Definition: pk_keys.cpp:17
std::vector< uint8_t > subject_public_key() const
Definition: pk_keys.cpp:38

◆ generate_private_key()

wots_keysig_t Botan::XMSS_WOTS_PrivateKey::generate_private_key ( const secure_vector< uint8_t > &  priv_seed)

◆ generate_public_key() [1/3]

XMSS_WOTS_PublicKey Botan::XMSS_WOTS_PrivateKey::generate_public_key ( XMSS_Address adrs)

Algorithm 4: "WOTS_genPK" Generates a Winternitz One Time Signature+ (WOTS+) Public Key from a given private key.

Parameters
adrsHash function address encoding the address of the WOTS+ key pair within a greater structure.
Returns
A XMSS_WOTS_PublicKey.

Definition at line 34 of file xmss_wots_privatekey.cpp.

References Botan::XMSS_WOTS_PublicKey::m_wots_params, Botan::XMSS_WOTS_Parameters::oid(), and Botan::XMSS_WOTS_PublicKey::public_seed().

Referenced by generate_public_key().

35  {
37  public_seed());
38  generate_public_key(pub_key, wots_keysig_t((*this)[adrs]), adrs);
39  return pub_key;
40  }
const secure_vector< uint8_t > & public_seed() const
Definition: xmss_wots.h:303
XMSS_WOTS_PublicKey(XMSS_WOTS_Parameters::ots_algorithm_t oid)
Definition: xmss_wots.h:186
XMSS_WOTS_PublicKey generate_public_key(XMSS_Address &adrs)
std::vector< secure_vector< uint8_t > > wots_keysig_t
XMSS_WOTS_Parameters m_wots_params
Definition: xmss_wots.h:427
ots_algorithm_t oid() const
Definition: xmss_wots.h:103

◆ generate_public_key() [2/3]

void Botan::XMSS_WOTS_PrivateKey::generate_public_key ( XMSS_WOTS_PublicKey pub_key,
wots_keysig_t &&  in_key_data,
XMSS_Address adrs,
XMSS_Hash hash 
)

Algorithm 4: "WOTS_genPK" Initializes a Winternitz One Time Signature+ (WOTS+) Public Key's key_data() member, with data derived from in_key_data using the WOTS chaining function.

This overload is used in multithreaded scenarios, where it is required to provide seperate instances of XMSS_Hash to each thread.

Parameters
[out]pub_keyPublic key to initialize key_data() member on.
in_key_dataInput key material from private key used for public key generation.
adrsHash function address encoding the address of the WOTS+ key pair within a greater structure.
hashInstance of XMSS_Hash, that may only by the thead executing generate_public_key.

Definition at line 43 of file xmss_wots_privatekey.cpp.

References BOTAN_ASSERT, Botan::XMSS_WOTS_PublicKey::chain(), hash, Botan::XMSS_WOTS_Parameters::len(), Botan::XMSS_WOTS_PublicKey::m_wots_params, Botan::XMSS_WOTS_PublicKey::public_seed(), Botan::XMSS_Address::set_chain_address(), Botan::XMSS_WOTS_PublicKey::set_key_data(), Botan::XMSS_WOTS_Parameters::wots_parameter(), and Botan::XMSS_WOTS_PublicKey::wots_parameters().

47  {
48  BOTAN_ASSERT(wots_parameters() == pub_key.wots_parameters() &&
49  public_seed() == pub_key.public_seed(),
50  "Conflicting public key data.");
51 
52  pub_key.set_key_data(std::move(in_key_data));
53  for(size_t i = 0; i < m_wots_params.len(); i++)
54  {
55  adrs.set_chain_address(static_cast<uint32_t>(i));
56  chain(pub_key[i], 0, m_wots_params.wots_parameter() - 1, adrs,
57  public_seed(), hash);
58  }
59  }
const secure_vector< uint8_t > & public_seed() const
Definition: xmss_wots.h:303
void chain(secure_vector< uint8_t > &x, size_t start_idx, size_t steps, XMSS_Address &adrs, const secure_vector< uint8_t > &public_seed, XMSS_Hash &hash)
#define BOTAN_ASSERT(expr, assertion_made)
Definition: assert.h:55
const XMSS_WOTS_Parameters & wots_parameters() const
Definition: xmss_wots.h:331
size_t wots_parameter() const
Definition: xmss_wots.h:93
MechanismType hash
XMSS_WOTS_Parameters m_wots_params
Definition: xmss_wots.h:427

◆ generate_public_key() [3/3]

void Botan::XMSS_WOTS_PrivateKey::generate_public_key ( XMSS_WOTS_PublicKey pub_key,
wots_keysig_t &&  in_key_data,
XMSS_Address adrs 
)
inline

Algorithm 4: "WOTS_genPK" Initializes a Winternitz One Time Signature+ (WOTS+) Public Key's key_data() member, with data derived from in_key_data using the WOTS chaining function.

Parameters
[out]pub_keyPublic key to initialize key_data() member on.
in_key_dataInput key material from private key used for public key generation.
adrsHash function address encoding the address of the WOTS+ key pair within a greater structure.

Definition at line 637 of file xmss_wots.h.

References generate_public_key(), and Botan::XMSS_WOTS_PublicKey::m_hash.

640  {
641  generate_public_key(pub_key, std::forward<wots_keysig_t>(in_key_data), adrs, m_hash);
642  }
XMSS_WOTS_PublicKey generate_public_key(XMSS_Address &adrs)

◆ get_oid()

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

◆ key_data() [1/2]

const wots_keysig_t& Botan::XMSS_WOTS_PublicKey::key_data ( ) const
inlineinherited

Definition at line 317 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::m_key.

Referenced by Botan::XMSS_WOTS_PublicKey::set_key_data().

317 { return m_key; }

◆ key_data() [2/2]

wots_keysig_t& Botan::XMSS_WOTS_PublicKey::key_data ( )
inlineinherited

Definition at line 319 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::m_key.

319 { return m_key; }

◆ key_length()

size_t Botan::XMSS_WOTS_PublicKey::key_length ( ) const
inlineoverridevirtualinherited

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 356 of file xmss_wots.h.

References Botan::XMSS_WOTS_Parameters::estimated_strength(), and Botan::XMSS_WOTS_PublicKey::m_wots_params.

357  {
359  }
size_t estimated_strength() const
Definition: xmss_wots.h:105
XMSS_WOTS_Parameters m_wots_params
Definition: xmss_wots.h:427

◆ 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::ECDSA_PublicKey, Botan::GOST_3410_PublicKey, Botan::ECGDSA_PublicKey, Botan::ECKCDSA_PublicKey, Botan::SM2_PublicKey, and Botan::DSA_PublicKey.

Definition at line 123 of file pk_keys.h.

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

123 { 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::ECDSA_PublicKey, Botan::GOST_3410_PublicKey, Botan::ECGDSA_PublicKey, Botan::ECKCDSA_PublicKey, Botan::SM2_PublicKey, and Botan::DSA_PublicKey.

Definition at line 112 of file pk_keys.h.

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

112 { return 1; }

◆ operator const wots_keysig_t &()

Botan::XMSS_WOTS_PublicKey::operator const wots_keysig_t & ( ) const
inlineinherited

Convert the key into the raw key data. The key becomes a length len vector of n-byte elements.

Definition at line 295 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::m_key.

295 { return m_key; }

◆ operator wots_keysig_t &()

Botan::XMSS_WOTS_PublicKey::operator wots_keysig_t & ( )
inlineinherited

Convert the key into the raw key data. The key becomes a length len vector of n-byte elements.

Definition at line 301 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::m_key.

301 { return m_key; }

◆ operator!=()

bool Botan::XMSS_WOTS_PublicKey::operator!= ( const XMSS_WOTS_PublicKey key)
inlineinherited

Definition at line 371 of file xmss_wots.h.

372  {
373  return !(*this == key);
374  }

◆ operator==()

bool Botan::XMSS_WOTS_PublicKey::operator== ( const XMSS_WOTS_PublicKey key)
inlineinherited

Definition at line 366 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::m_key.

367  {
368  return m_key == key.m_key;
369  }

◆ operator[]() [1/3]

const secure_vector<uint8_t>& Botan::XMSS_WOTS_PublicKey::operator[] ( size_t  i) const
inlineinherited

Retrieves the i-th element out of the length len chain of n-byte elements contained in the public key.

Parameters
iindex of the element.
Returns
n-byte element addressed by i.

Definition at line 288 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::m_key.

288 { return m_key[i]; }

◆ operator[]() [2/3]

wots_keysig_t Botan::XMSS_WOTS_PrivateKey::operator[] ( size_t  i)
inline

Retrieves the i-th WOTS private key using pseudo random key (re-)generation.

Parameters
iIndex of the key to retrieve.
Returns
WOTS secret key.

Definition at line 563 of file xmss_wots.h.

References at(), and Botan::XMSS_WOTS_PublicKey::m_hash.

564  {
565  return this->at(i, m_hash);
566  }
wots_keysig_t at(size_t i, XMSS_Hash &hash)

◆ operator[]() [3/3]

wots_keysig_t Botan::XMSS_WOTS_PrivateKey::operator[] ( const XMSS_Address adrs)
inline

Definition at line 584 of file xmss_wots.h.

References at(), and Botan::XMSS_WOTS_PublicKey::m_hash.

585  {
586  return this->at(adrs, m_hash);
587  }
wots_keysig_t at(size_t i, XMSS_Hash &hash)

◆ pkcs8_algorithm_identifier()

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

Reimplemented from Botan::Private_Key.

Definition at line 714 of file xmss_wots.h.

Referenced by Botan::XMSS_WOTS_Addressed_PrivateKey::pkcs8_algorithm_identifier().

715  {
716  throw Not_Implemented("No AlgorithmIdentifier available for XMSS-WOTS.");
717  }

◆ private_key_bits()

secure_vector<uint8_t> Botan::XMSS_WOTS_PrivateKey::private_key_bits ( ) const
inlineoverridevirtual
Returns
BER encoded private key bits

Implements Botan::Private_Key.

Definition at line 719 of file xmss_wots.h.

Referenced by Botan::XMSS_WOTS_Addressed_PrivateKey::private_key_bits().

720  {
721  throw Not_Implemented("No PKCS8 key format defined for XMSS-WOTS.");
722  }

◆ private_key_info()

secure_vector< uint8_t > Botan::Private_Key::private_key_info ( ) const
inherited
Returns
PKCS #8 private key encoding for this key object

Definition at line 61 of file pk_keys.cpp.

References Botan::DER_Encoder::encode(), Botan::DER_Encoder::end_cons(), Botan::DER_Encoder::get_contents(), Botan::OCTET_STRING, Botan::Private_Key::pkcs8_algorithm_identifier(), Botan::Private_Key::private_key_bits(), Botan::SEQUENCE, and Botan::DER_Encoder::start_cons().

Referenced by Botan::PKCS8::BER_encode(), Botan::PKCS8::BER_encode_encrypted_pbkdf_iter(), and Botan::PKCS8::BER_encode_encrypted_pbkdf_msec().

62  {
63  const size_t PKCS8_VERSION = 0;
64 
65  return DER_Encoder()
66  .start_cons(SEQUENCE)
67  .encode(PKCS8_VERSION)
69  .encode(private_key_bits(), OCTET_STRING)
70  .end_cons()
71  .get_contents();
72  }
virtual secure_vector< uint8_t > private_key_bits() const =0
virtual AlgorithmIdentifier pkcs8_algorithm_identifier() const
Definition: pk_keys.h:204

◆ private_seed()

const secure_vector<uint8_t>& Botan::XMSS_WOTS_PrivateKey::private_seed ( ) const
inline

Retrieves the secret seed used to generate WOTS+ chains. The seed should be a uniformly random n-byte value.

Returns
secret seed.

Definition at line 686 of file xmss_wots.h.

Referenced by Botan::XMSS_PrivateKey::raw_private_key(), set_private_seed(), and XMSS_WOTS_PrivateKey().

687  {
688  return m_private_seed;
689  }

◆ public_key_bits()

std::vector<uint8_t> Botan::XMSS_WOTS_PublicKey::public_key_bits ( ) const
inlineoverridevirtualinherited
Returns
BER encoded public key bits

Implements Botan::Public_Key.

Definition at line 361 of file xmss_wots.h.

Referenced by Botan::XMSS_WOTS_Addressed_PublicKey::public_key_bits().

362  {
363  throw Not_Implemented("No key format defined for XMSS-WOTS");
364  }

◆ public_seed() [1/2]

const secure_vector<uint8_t>& Botan::XMSS_WOTS_PublicKey::public_seed ( ) const
inlineinherited

◆ public_seed() [2/2]

secure_vector<uint8_t>& Botan::XMSS_WOTS_PublicKey::public_seed ( )
inlineinherited

Definition at line 305 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::m_public_seed.

305 { return m_public_seed; }
secure_vector< uint8_t > m_public_seed
Definition: xmss_wots.h:430

◆ set_key_data() [1/2]

void Botan::XMSS_WOTS_PublicKey::set_key_data ( const wots_keysig_t key_data)
inlineinherited

Definition at line 321 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::key_data(), and Botan::XMSS_WOTS_PublicKey::m_key.

Referenced by generate_public_key(), and XMSS_WOTS_PrivateKey().

322  {
323  m_key = key_data;
324  }
const wots_keysig_t & key_data() const
Definition: xmss_wots.h:317

◆ set_key_data() [2/2]

void Botan::XMSS_WOTS_PublicKey::set_key_data ( wots_keysig_t &&  key_data)
inlineinherited

Definition at line 326 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::key_data(), and Botan::XMSS_WOTS_PublicKey::m_key.

327  {
328  m_key = std::move(key_data);
329  }
const wots_keysig_t & key_data() const
Definition: xmss_wots.h:317

◆ set_private_seed() [1/2]

void Botan::XMSS_WOTS_PrivateKey::set_private_seed ( const secure_vector< uint8_t > &  private_seed)
inline

Sets the secret seed used to generate WOTS+ chains. The seed should be a uniformly random n-byte value.

Parameters
private_seedUniformly random n-byte value.

Definition at line 697 of file xmss_wots.h.

References private_seed().

698  {
699  m_private_seed = private_seed;
700  }
const secure_vector< uint8_t > & private_seed() const
Definition: xmss_wots.h:686

◆ set_private_seed() [2/2]

void Botan::XMSS_WOTS_PrivateKey::set_private_seed ( secure_vector< uint8_t > &&  private_seed)
inline

Sets the secret seed used to generate WOTS+ chains. The seed should be a uniformly random n-byte value.

Parameters
private_seedUniformly random n-byte value.

Definition at line 708 of file xmss_wots.h.

References private_seed().

709  {
710  m_private_seed = std::move(private_seed);
711  }
const secure_vector< uint8_t > & private_seed() const
Definition: xmss_wots.h:686

◆ set_public_seed() [1/2]

void Botan::XMSS_WOTS_PublicKey::set_public_seed ( const secure_vector< uint8_t > &  public_seed)
inlineinherited

Definition at line 307 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::m_public_seed, and Botan::XMSS_WOTS_PublicKey::public_seed().

308  {
310  }
const secure_vector< uint8_t > & public_seed() const
Definition: xmss_wots.h:303
secure_vector< uint8_t > m_public_seed
Definition: xmss_wots.h:430

◆ set_public_seed() [2/2]

void Botan::XMSS_WOTS_PublicKey::set_public_seed ( secure_vector< uint8_t > &&  public_seed)
inlineinherited

Definition at line 312 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::m_public_seed, and Botan::XMSS_WOTS_PublicKey::public_seed().

313  {
314  m_public_seed = std::move(public_seed);
315  }
const secure_vector< uint8_t > & public_seed() const
Definition: xmss_wots.h:303
secure_vector< uint8_t > m_public_seed
Definition: xmss_wots.h:430

◆ sign() [1/2]

wots_keysig_t Botan::XMSS_WOTS_PrivateKey::sign ( const secure_vector< uint8_t > &  msg,
XMSS_Address adrs 
)
inline

Algorithm 5: "WOTS_sign" Generates a signature from a private key and a message.

Parameters
msgA message to sign.
adrsAn OTS hash address identifying the WOTS+ key pair used for signing.
Returns
signature for msg.

Definition at line 654 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::m_hash.

656  {
657  return sign(msg, adrs, m_hash);
658  }
wots_keysig_t sign(const secure_vector< uint8_t > &msg, XMSS_Address &adrs)
Definition: xmss_wots.h:654

◆ sign() [2/2]

wots_keysig_t Botan::XMSS_WOTS_PrivateKey::sign ( const secure_vector< uint8_t > &  msg,
XMSS_Address adrs,
XMSS_Hash hash 
)

Algorithm 5: "WOTS_sign" Generates a signature from a private key and a message.

This overload is used in multithreaded scenarios, where it is required to provide seperate instances of XMSS_Hash to each thread.

Parameters
msgA message to sign.
adrsAn OTS hash address identifying the WOTS+ key pair used for signing.
hashInstance of XMSS_Hash, that may only be used by the thead executing sign.
Returns
signature for msg.

Definition at line 62 of file xmss_wots_privatekey.cpp.

References Botan::XMSS_WOTS_Parameters::append_checksum(), at(), Botan::XMSS_WOTS_Parameters::base_w(), Botan::XMSS_WOTS_PublicKey::chain(), hash, Botan::XMSS_WOTS_Parameters::len(), Botan::XMSS_WOTS_Parameters::len_1(), Botan::XMSS_WOTS_PublicKey::m_public_seed, Botan::XMSS_WOTS_PublicKey::m_wots_params, and Botan::XMSS_Address::set_chain_address().

66  {
67  secure_vector<uint8_t> msg_digest
68  {
70  };
71 
72  m_wots_params.append_checksum(msg_digest);
73  wots_keysig_t sig(this->at(adrs, hash));
74 
75  for(size_t i = 0; i < m_wots_params.len(); i++)
76  {
77  adrs.set_chain_address(static_cast<uint32_t>(i));
78  chain(sig[i], 0 , msg_digest[i], adrs, m_public_seed, hash);
79  }
80 
81  return sig;
82  }
size_t len_1() const
Definition: xmss_wots.h:97
secure_vector< uint8_t > base_w(const secure_vector< uint8_t > &msg, size_t out_size) const
secure_vector< uint8_t > m_public_seed
Definition: xmss_wots.h:430
wots_keysig_t at(size_t i, XMSS_Hash &hash)
void chain(secure_vector< uint8_t > &x, size_t start_idx, size_t steps, XMSS_Address &adrs, const secure_vector< uint8_t > &public_seed, XMSS_Hash &hash)
std::vector< secure_vector< uint8_t > > wots_keysig_t
void append_checksum(secure_vector< uint8_t > &data)
MechanismType hash
XMSS_WOTS_Parameters m_wots_params
Definition: xmss_wots.h:427

◆ stateful_operation()

virtual bool Botan::Private_Key::stateful_operation ( ) const
inlinevirtualinherited

Reimplemented in Botan::XMSS_PrivateKey.

Definition at line 188 of file pk_keys.h.

188 { return false; }

◆ subject_public_key()

std::vector< uint8_t > Botan::Public_Key::subject_public_key ( ) const
inherited
Returns
X.509 subject key encoding for this key object

Definition at line 38 of file pk_keys.cpp.

References Botan::Public_Key::algorithm_identifier(), Botan::BIT_STRING, Botan::DER_Encoder::encode(), Botan::DER_Encoder::end_cons(), Botan::Public_Key::public_key_bits(), Botan::SEQUENCE, and Botan::DER_Encoder::start_cons().

Referenced by Botan::X509::BER_encode(), Botan::PKCS10_Request::create(), Botan::Public_Key::fingerprint_public(), and Botan::X509::PEM_encode().

39  {
40  std::vector<uint8_t> output;
41 
42  DER_Encoder(output).start_cons(SEQUENCE)
43  .encode(algorithm_identifier())
44  .encode(public_key_bits(), BIT_STRING)
45  .end_cons();
46 
47  return output;
48  }
virtual std::vector< uint8_t > public_key_bits() const =0
virtual AlgorithmIdentifier algorithm_identifier() const =0

◆ wots_parameters()

const XMSS_WOTS_Parameters& Botan::XMSS_WOTS_PublicKey::wots_parameters ( ) const
inlineinherited

Definition at line 331 of file xmss_wots.h.

References Botan::XMSS_WOTS_PublicKey::m_wots_params.

Referenced by generate_public_key().

332  {
333  return m_wots_params;
334  }
XMSS_WOTS_Parameters m_wots_params
Definition: xmss_wots.h:427

Member Data Documentation

◆ m_hash

XMSS_Hash Botan::XMSS_WOTS_PublicKey::m_hash
protectedinherited

◆ m_key

wots_keysig_t Botan::XMSS_WOTS_PublicKey::m_key
protectedinherited

◆ m_public_seed

secure_vector<uint8_t> Botan::XMSS_WOTS_PublicKey::m_public_seed
protectedinherited

◆ m_wots_params

XMSS_WOTS_Parameters Botan::XMSS_WOTS_PublicKey::m_wots_params
protectedinherited

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