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Class: OTP_TS


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  Classes of Jacek Wloka  >  OTP_TS  >  Download  >  Support forum Support forum  >  Blog Blog  >  RSS 1.0 feed RSS 2.0 feed Latest changes  
Name: OTP_TS Support forum
Base name: otp_ts
Description: Encrypt and decrypt data with one time pad cipher
Related top rated classes: , ,
Version: 1
Required PHP version: 4.0
License: GNU Lesser General Public License (LGPL)
All time users: 494 users
All time rank: 3644
Week users: 4 users
Week rank: 1805
 
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Screenshots

example 1 txt
File Role Description
Accessible without login Image file Image1.gif Screen example 1 txt

Author

Picture of Jacek Wloka
Name: Jacek Wloka <e-mail contact>
Published packages: 5 Browse this author's classes Browse this author's classes
Country: Poland Poland - PHP jobs in Poland
Home page: http://twoja-strona.net/
Age: 22
All time rank: 452
Week rank: 348

Innovation Award

PHP Programming Innovation award nominee
June 2007
Number 8
 The quality of encryption algorithms depends on how hard they are to break using brute force methods.

Most strong encryption methods also take a lot of CPU resources to encrypt and decrypt data.

One time pad algorithms are much simpler and take less resources when used to encrypt and decrypt data.

This class implements a one-time pad algorithm in pure PHP code. It generates several hashes of the encryption password to compute a random cypher that is used to encrypt and decrypt data.

The actual encryption and decryption is very light because it consists of a simple XOR operation over the data to encrypt or decrypt. The encryption and encryption procedure is the same, making the class very small.

Manuel Lemos

Groups

Group folder image Cryptography Encrypting, decrypting and hashing data View top rated classes

Detailed description

This class can be used to encrypt and decrypt data with one time pad cipher algorithm implemented in pure PHP.

The class has a single function that takes a password and a string of the data to encrypt.

The password is used to create a cypher that encrypts the data using an XOR operation.

The same function to encrypt can be used to decrypt the encrypted data using the same password.

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Applications that use this class

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Package OTP_TS Package rar class OTP_TS
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Files

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Plain text file example_file.php Example Example 1 of file
Plain text file example_form.php Example Example 3
Plain text file example_txt.php Example Text example 1
Plain text file class.OTP_TS.php Class class OTP_TS
Image file linux.bmp Icon img 1
Download all files: otp_ts.tar.gz otp_ts.zip
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