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#pike 8.1 
#pragma dynamic_dot 
 
protected constant compat_required_methods = ({ 
  "block_size", 
  "key_size", 
  "set_encrypt_key", 
  "set_decrypt_key", 
  "crypt", 
}); 
 
protected void compat_assert_is_crypto_object(Crypto.CipherState obj) 
{ 
  foreach(compat_required_methods, string method) { 
    if (!obj[method]) error("Object is missing identifier \"%s\"\n", method); 
  } 
} 
 
//! @ignore 
protected class CompatProxy 
{ 
  inherit Crypto.BlockCipher; 
 
  class _CBC { 
    inherit ::this_program; 
 
    class State 
    { 
      inherit ::this_program; 
      //! @endignore 
 
      //! @class CBC 
      //! 
      //! This class has moved to submodules of the respective ciphers. 
      //! 
      //! @deprecated BlockCipher.CBC 
 
      protected Crypto.CipherState proxy_obj; 
 
      protected Crypto.CipherState substate_factory() 
      { 
        return proxy_obj; 
      } 
 
      //! 
      protected void create(Crypto.CipherState|program(Crypto.CipherState) fun, 
                            mixed ... args) 
      { 
        if (callablep(fun)) { 
          proxy_obj = [object(Crypto.CipherState)]fun(@args); 
        } else if (objectp(fun)) { 
          proxy_obj = [object(Crypto.CipherState)]fun; 
        } else { 
          error("Bad argument 1 to create(). Expected program|object|function.\n"); 
        } 
        compat_assert_is_crypto_object(proxy_obj); 
        ::create(); 
      } 
 
      //! @endclass 
 
      //! @ignore 
    } 
  } 
 
  class _Buffer { 
    inherit ::this_program; 
 
    class State 
    { 
      inherit ::this_program; 
 
      //! @endignore 
 
      //! @class Buffer 
      //! 
      //! This class has moved to submodules of the respective ciphers. 
      //! 
      //! @deprecated BlockCipher.Buffer 
 
      protected Crypto.CipherState proxy_obj; 
 
      protected Crypto.CipherState substate_factory() 
      { 
        return proxy_obj; 
      } 
 
      //! 
      protected void create(Crypto.CipherState|program(Crypto.CipherState) fun, 
                            mixed ... args) 
      { 
        if (callablep(fun)) { 
          proxy_obj = [object(Crypto.CipherState)]fun(@args); 
        } else if (objectp(fun)) { 
          proxy_obj = [object(Crypto.CipherState)]fun; 
        } else { 
          error("Bad argument 1 to create(). Expected program|object|function.\n"); 
        } 
        compat_assert_is_crypto_object(proxy_obj); 
        ::create(); 
      } 
 
      //! @endclass 
 
      //! @ignore 
    } 
  } 
} 
 
//! @endignore 
 
protected CompatProxy compat_proxy = CompatProxy(); 
 
program(Crypto.CipherState) CBC = compat_proxy.CBC.State; 
 
//! This class has moved to submodules of the respective ciphers. 
program(Crypto.CipherState) Buffer = compat_proxy.Buffer.State;