Botan::PK_Decryptor_EME Class Reference

#include <pubkey.h>

Inheritance diagram for Botan::PK_Decryptor_EME:

Public Member Functions
SecureVector< byte >	decrypt (const byte in[], size_t length) const
SecureVector< byte >	decrypt (const MemoryRegion< byte > &in) const
	PK_Decryptor_EME (const Private_Key &key, const std::string &eme)
	~PK_Decryptor_EME ()

Detailed Description

Decryption with an MR algorithm and an EME.

Definition at line 423 of file pubkey.h.

Constructor & Destructor Documentation

PK_Decryptor_EME()

Botan::PK_Decryptor_EME::PK_Decryptor_EME	(	const Private_Key &	key,
		const std::string &	eme )

Construct an instance.

Parameters

key	the key to use inside the encryptor
eme	the EME to use

Definition at line 86 of file pubkey.cpp.

   {
   Algorithm_Factory::Engine_Iterator i(global_state().algorithm_factory());
 
   op = 0;
 
   while(const Engine* engine = i.next())
      {
      op = engine->get_decryption_op(key);
      if(op)
         break;
      }
 
   if(!op)
      throw Lookup_Error("Decryption with " + key.algo_name() + " not supported");
 
   eme = (eme_name == "Raw") ? 0 : get_eme(eme_name);
   }

References Botan::Public_Key::algo_name(), Botan::get_eme(), Botan::global_state(), Botan::Lookup_Error::Lookup_Error(), and Botan::Algorithm_Factory::Engine_Iterator::next().

Referenced by Botan::get_pk_decryptor().

~PK_Decryptor_EME()

Botan::PK_Decryptor_EME::~PK_Decryptor_EME ( )

inline

Definition at line 434 of file pubkey.h.

{ delete op; delete eme; }

Member Function Documentation

decrypt() [1/2]

SecureVector< byte > Botan::PK_Decryptor::decrypt ( const byte in[], size_t length ) const

inlineinherited

Decrypt a ciphertext.

Parameters

in	the ciphertext as a byte array
length	the length of the above byte array

Returns

decrypted message

Definition at line 94 of file pubkey.h.

         {
         return dec(in, length);
         }

Referenced by Botan::KeyPair::encryption_consistency_check(), and Botan::Client_Key_Exchange::pre_master_secret().

decrypt() [2/2]

SecureVector< byte > Botan::PK_Decryptor::decrypt ( const MemoryRegion< byte > & in ) const

inlineinherited

Decrypt a ciphertext.

Parameters

in	the ciphertext

Returns

decrypted message

Definition at line 104 of file pubkey.h.

         {
         return dec(&in[0], in.size());
         }

References Botan::MemoryRegion< T >::size().

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

• src/pubkey/pubkey.h
• src/pubkey/pubkey.cpp