Login or Register to Ask a Question and Join Our Community

Linux and UNIX Man Pages

Linux & Unix Commands - Search Man Pages

notedb::general(3pm) [debian man page]

NOTEDB::general(3pm)					User Contributed Perl Documentation				      NOTEDB::general(3pm)

NAME

       NOTEDB::general - module lib for accessing a notedb from perl

SYNOPSIS

	       # include the module
	       use NOTEDB;

	       # create a new NOTEDB object
	       $db = new NOTEDB("text", "/home/tom/.notedb", 4096, 24);

	       # decide to use encryption
	       # $key is the cipher to use for encryption
	       # $method must be either Crypt::IDEA or Crypt::DES
	       # you need Crypt::CBC, Crypt::IDEA and Crypt::DES to have installed.
	       $db->use_crypt($key,$method);

	       # do not use encryption
	       # this is the default
	       $db->no_crypt;

	       # get a single note
	       ($note, $date) = $db->get_single(1);

	       # search for a certain note
	       %matching_notes = $db->get_search("somewhat");
	       # format of returned hash:
	       #$matching_notes{$numberofnote}->{'note' => 'something', 'date' => '23.12.2000 10:33:02'}

	       # get all existing notes
	       %all_notes = $db->get_all();
	       # format of returnes hash like the one from get_search above

	       # get the next noteid available
	       $next_num = $db->get_nextnum();

	       # modify a certain note
	       $db->set_edit(1, "any text", "23.12.2000 10:33:02");

	       # create a new note
	       $db->set_new(5, "any new text", "23.12.2000 10:33:02");

	       # delete a certain note
	       $db->set_del(5);

	       # turn on encryption. CryptMethod must be IDEA, DES or BLOWFISH
	       $db->use_crypt("passphrase", "CryptMethod");

	       # turn off encryption. This is the default.
	       $db->no_crypt();

DESCRIPTION

       You can use this module for accessing a note database. This backend uses a text file for storage and Config::General for accessing the
       file.

       Currently, NOTEDB module is only used by note itself. But feel free to use it within your own project! Perhaps someone want to implement a
       webinterface to note...

USAGE

       please see the section SYNOPSIS, it says it all.

AUTHOR

       Thomas Linden <tom@daemon.de>.

perl v5.10.1							    2008-11-17						      NOTEDB::general(3pm)

Check Out this Related Man Page

Crypt::DES_EDE3(3pm)					User Contributed Perl Documentation				      Crypt::DES_EDE3(3pm)

NAME

       Crypt::DES_EDE3 - Triple-DES EDE encryption/decryption

SYNOPSIS

	   use Crypt::DES_EDE3;
	   my $ede3 = Crypt::DES_EDE3->new($key);
	   $ede3->encrypt($block);

DESCRIPTION

       Crypt::DES_EDE3 implements DES-EDE3 encryption. This is triple-DES encryption where an encrypt operation is encrypt-decrypt-encrypt, and
       decrypt is decrypt-encrypt-decrypt. This implementation uses Crypt::DES to do its dirty DES work, and simply provides a wrapper around that
       module: setting up the individual DES ciphers, initializing the keys, and performing the encryption/decryption steps.

       DES-EDE3 encryption requires a key size of 24 bytes.

       You're probably best off not using this module directly, as the encrypt and decrypt methods expect 8-octet blocks. You might want to use
       the module in conjunction with Crypt::CBC, for example. This would be DES-EDE3-CBC, or triple-DES in outer CBC mode.

USAGE

       $ede3 = Crypt::DES_EDE3->new($key)

       Creates a new Crypt::DES_EDE3 object (really, a collection of three DES ciphers), and initializes each cipher with part of $key, which
       should be at least 24 bytes. If it's longer than 24 bytes, the extra bytes will be ignored.

       Returns the new object.

       $ede3->encrypt($block)

       Encrypts an 8-byte block of data $block using the three DES ciphers in an encrypt-decrypt-encrypt operation.

       Returns the encrypted block.

       $ede3->decrypt($block)

       Decrypts an 8-byte block of data $block using the three DES ciphers in a decrypt-encrypt-decrypt operation.

       Returns the decrypted block.

       $ede3->blocksize

       Returns the block size(8).

       $ede3->keysize

       Returns the key size(24).

LICENSE

       Crypt::DES_EDE3 is free software; you may redistribute it and/or modify it under the same terms as Perl itself.

AUTHOR &; COPYRIGHTS
       Crypt::DES_EDE3 is Copyright 2001 Benjamin Trott, ben@rhumba.pair.com. All rights reserved.

perl v5.8.8							    2001-09-15						      Crypt::DES_EDE3(3pm)
Man Page