Botan::PK_Decryptor_EME Class Reference

#include <pubkey.h>

Inheritance diagram for Botan::PK_Decryptor_EME:

Public Member Functions
secure_vector< byte >	decrypt (const byte in[], size_t length) const
template<typename Alloc >
secure_vector< byte >	decrypt (const std::vector< byte, Alloc > &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 434 of file pubkey.h.

Constructor & Destructor Documentation

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 84 of file pubkey.cpp.

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

   {
   Algorithm_Factory::Engine_Iterator i(global_state().algorithm_factory());

   while(const Engine* engine = i.next())
      {
      op = engine->get_decryption_op(key);
      if(op)
         break;
      }

   if(!op)
      throw Lookup_Error("PK_Decryptor_EME: No working engine for " +
                         key.algo_name());

   eme = (eme_name == "Raw") ? nullptr : get_eme(eme_name);
   }

Botan::PK_Decryptor_EME::~PK_Decryptor_EME ( )

inline

Definition at line 445 of file pubkey.h.

{ delete op; delete eme; }

Member Function Documentation

secure_vector<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 97 of file pubkey.h.

Referenced by Botan::KeyPair::encryption_consistency_check(), and Botan::PK_Decryptor_Filter::end_msg().

         {
         return dec(in, length);
         }

template<typename Alloc >

secure_vector<byte> Botan::PK_Decryptor::decrypt ( const std::vector< byte, Alloc > &  in ) const

inlineinherited

Decrypt a ciphertext.

Parameters

in	the ciphertext

Returns

decrypted message

Definition at line 108 of file pubkey.h.

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

---

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

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