#include <gnump_engine.h>

Inheritance diagram for Botan::GMP_Engine:

Public Member Functions
virtual BlockCipher *	find_block_cipher (const SCAN_Name &algo_spec, Algorithm_Factory &af) const
virtual HashFunction *	find_hash (const SCAN_Name &algo_spec, Algorithm_Factory &af) const
virtual MessageAuthenticationCode *	find_mac (const SCAN_Name &algo_spec, Algorithm_Factory &af) const
virtual PBKDF *	find_pbkdf (const SCAN_Name &algo_spec, Algorithm_Factory &af) const
virtual StreamCipher *	find_stream_cipher (const SCAN_Name &algo_spec, Algorithm_Factory &af) const
virtual Keyed_Filter *	get_cipher (const std::string &algo_spec, Cipher_Dir dir, Algorithm_Factory &af)
PK_Ops::Decryption *	get_decryption_op (const Private_Key &key) const
PK_Ops::Encryption *	get_encryption_op (const Public_Key &key) const
PK_Ops::Key_Agreement *	get_key_agreement_op (const Private_Key &key) const
PK_Ops::Signature *	get_signature_op (const Private_Key &key) const
PK_Ops::Verification *	get_verify_op (const Public_Key &key) const
	GMP_Engine ()
Modular_Exponentiator *	mod_exp (const BigInt &, Power_Mod::Usage_Hints) const
std::string	provider_name () const
	~GMP_Engine ()

Detailed Description

Engine using GNU MP

Definition at line 18 of file gnump_engine.h.

Constructor & Destructor Documentation

◆ GMP_Engine()

Botan::GMP_Engine::GMP_Engine ( )

Definition at line 54 of file gmp_mem.cpp.

   {
   if(gmp_alloc == 0)
      {
      gmp_alloc = Allocator::get(true);
      mp_set_memory_functions(gmp_malloc, gmp_realloc, gmp_free);
      }
 
   ++gmp_alloc_refcnt;
   }

References Botan::Allocator::get().

◆ ~GMP_Engine()

Botan::GMP_Engine::~GMP_Engine ( )

Definition at line 65 of file gmp_mem.cpp.

   {
   --gmp_alloc_refcnt;
 
   if(gmp_alloc_refcnt == 0)
      {
      mp_set_memory_functions(NULL, NULL, NULL);
      gmp_alloc = 0;
      }
   }

Member Function Documentation

◆ find_block_cipher()

BlockCipher * Botan::Engine::find_block_cipher	(	const SCAN_Name &	algo_spec,
		Algorithm_Factory &	af ) const

virtualinherited

Parameters

algo_spec	the algorithm name/specification
af	an algorithm factory object

Returns: newly allocated object, or NULL

Reimplemented in Botan::AES_ISA_Engine, Botan::Assembler_Engine, Botan::Core_Engine, Botan::Dynamically_Loaded_Engine, Botan::OpenSSL_Engine, and Botan::SIMD_Engine.

Definition at line 13 of file engine.cpp.

   {
   return 0;
   }

Referenced by provider_name().

◆ find_hash()

HashFunction * Botan::Engine::find_hash	(	const SCAN_Name &	algo_spec,
		Algorithm_Factory &	af ) const

virtualinherited

Parameters

algo_spec	the algorithm name/specification
af	an algorithm factory object

Returns: newly allocated object, or NULL

Reimplemented in Botan::Assembler_Engine, Botan::Core_Engine, Botan::Dynamically_Loaded_Engine, Botan::OpenSSL_Engine, and Botan::SIMD_Engine.

Definition at line 27 of file engine.cpp.

   {
   return 0;
   }

Referenced by provider_name().

◆ find_mac()

MessageAuthenticationCode * Botan::Engine::find_mac	(	const SCAN_Name &	algo_spec,
		Algorithm_Factory &	af ) const

virtualinherited

Parameters

algo_spec	the algorithm name/specification
af	an algorithm factory object

Returns: newly allocated object, or NULL

Reimplemented in Botan::Core_Engine, and Botan::Dynamically_Loaded_Engine.

Definition at line 34 of file engine.cpp.

   {
   return 0;
   }

Referenced by provider_name().

◆ find_pbkdf()

PBKDF * Botan::Engine::find_pbkdf	(	const SCAN_Name &	algo_spec,
		Algorithm_Factory &	af ) const

virtualinherited

Parameters

algo_spec	the algorithm name/specification
af	an algorithm factory object

Returns: newly allocated object, or NULL

Reimplemented in Botan::Core_Engine, and Botan::Dynamically_Loaded_Engine.

Definition at line 41 of file engine.cpp.

   {
   return 0;
   }

Referenced by provider_name().

◆ find_stream_cipher()

StreamCipher * Botan::Engine::find_stream_cipher	(	const SCAN_Name &	algo_spec,
		Algorithm_Factory &	af ) const

virtualinherited

Parameters

algo_spec	the algorithm name/specification
af	an algorithm factory object

Returns: newly allocated object, or NULL

Reimplemented in Botan::Core_Engine, Botan::Dynamically_Loaded_Engine, and Botan::OpenSSL_Engine.

Definition at line 20 of file engine.cpp.

   {
   return 0;
   }

Referenced by provider_name().

◆ get_cipher()

Keyed_Filter * Botan::Engine::get_cipher	(	const std::string &	algo_spec,
		Cipher_Dir	dir,
		Algorithm_Factory &	af )

virtualinherited

Return a new cipher object

Parameters

algo_spec	the algorithm name/specification
dir	specifies if encryption or decryption is desired
af	an algorithm factory object

Returns: newly allocated object, or NULL

Reimplemented in Botan::Core_Engine, and Botan::Dynamically_Loaded_Engine.

Definition at line 54 of file engine.cpp.

   {
   return 0;
   }

Referenced by provider_name().

◆ get_decryption_op()

PK_Ops::Decryption * Botan::GMP_Engine::get_decryption_op ( const Private_Key & key ) const

virtual

Return a new operator object for this key, if possible

Parameters

key	the key we want an operator for

Returns: newly allocated operator object, or NULL

Reimplemented from Botan::Engine.

Definition at line 328 of file gnump_pk.cpp.

   {
#if defined(BOTAN_HAS_RSA)
   if(const RSA_PrivateKey* s = dynamic_cast<const RSA_PrivateKey*>(&key))
      return new GMP_RSA_Private_Operation(*s);
#endif
 
   return 0;
   }

◆ get_encryption_op()

PK_Ops::Encryption * Botan::GMP_Engine::get_encryption_op ( const Public_Key & key ) const

virtual

Return a new operator object for this key, if possible

Parameters

key	the key we want an operator for

Returns: newly allocated operator object, or NULL

Reimplemented from Botan::Engine.

Definition at line 317 of file gnump_pk.cpp.

   {
#if defined(BOTAN_HAS_RSA)
   if(const RSA_PublicKey* s = dynamic_cast<const RSA_PublicKey*>(&key))
      return new GMP_RSA_Public_Operation(*s);
#endif
 
   return 0;
   }

◆ get_key_agreement_op()

PK_Ops::Key_Agreement * Botan::GMP_Engine::get_key_agreement_op ( const Private_Key & key ) const

virtual

Return a new operator object for this key, if possible

Parameters

key	the key we want an operator for

Returns: newly allocated operator object, or NULL

Reimplemented from Botan::Engine.

Definition at line 274 of file gnump_pk.cpp.

   {
#if defined(BOTAN_HAS_DIFFIE_HELLMAN)
   if(const DH_PrivateKey* dh = dynamic_cast<const DH_PrivateKey*>(&key))
      return new GMP_DH_KA_Operation(*dh);
#endif
 
   return 0;
   }

◆ get_signature_op()

PK_Ops::Signature * Botan::GMP_Engine::get_signature_op ( const Private_Key & key ) const

virtual

Return a new operator object for this key, if possible

Parameters

key	the key we want an operator for

Returns: newly allocated operator object, or NULL

Reimplemented from Botan::Engine.

Definition at line 285 of file gnump_pk.cpp.

   {
#if defined(BOTAN_HAS_RSA)
   if(const RSA_PrivateKey* s = dynamic_cast<const RSA_PrivateKey*>(&key))
      return new GMP_RSA_Private_Operation(*s);
#endif
 
#if defined(BOTAN_HAS_DSA)
   if(const DSA_PrivateKey* s = dynamic_cast<const DSA_PrivateKey*>(&key))
      return new GMP_DSA_Signature_Operation(*s);
#endif
 
   return 0;
   }

◆ get_verify_op()

PK_Ops::Verification * Botan::GMP_Engine::get_verify_op ( const Public_Key & key ) const

virtual

Return a new operator object for this key, if possible

Parameters

key	the key we want an operator for

Returns: newly allocated operator object, or NULL

Reimplemented from Botan::Engine.

Definition at line 301 of file gnump_pk.cpp.

   {
#if defined(BOTAN_HAS_RSA)
   if(const RSA_PublicKey* s = dynamic_cast<const RSA_PublicKey*>(&key))
      return new GMP_RSA_Public_Operation(*s);
#endif
 
#if defined(BOTAN_HAS_DSA)
   if(const DSA_PublicKey* s = dynamic_cast<const DSA_PublicKey*>(&key))
      return new GMP_DSA_Verification_Operation(*s);
#endif
 
   return 0;
   }

◆ mod_exp()

Modular_Exponentiator * Botan::GMP_Engine::mod_exp	(	const BigInt &	n,
		Power_Mod::Usage_Hints	hints ) const

virtual

Parameters

n	the modulus
hints	any use hints

Returns: newly allocated object, or NULL

Reimplemented from Botan::Engine.

Definition at line 47 of file gmp_powm.cpp.

   {
   return new GMP_Modular_Exponentiator(n);
   }

◆ provider_name()

std::string Botan::GMP_Engine::provider_name ( ) const

inlinevirtual

Returns: name of this engine

Implements Botan::Engine.

Definition at line 24 of file gnump_engine.h.

24{ return "gmp"; }

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

src/engine/gnump/gnump_engine.h
src/engine/gnump/gmp_mem.cpp
src/engine/gnump/gmp_powm.cpp
src/engine/gnump/gnump_pk.cpp

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ GMP_Engine()

◆ ~GMP_Engine()

Member Function Documentation

◆ find_block_cipher()

◆ find_hash()

◆ find_mac()

◆ find_pbkdf()

◆ find_stream_cipher()

◆ get_cipher()

◆ get_decryption_op()

◆ get_encryption_op()

◆ get_key_agreement_op()

◆ get_signature_op()

◆ get_verify_op()

◆ mod_exp()

◆ provider_name()