Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python Reference REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO

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Salted Key Generation Algorithm
A tutorial example is provided to confirm the Salted Key generation algorithm used by the OpenSSL 'enc -bf-ecb' command. The algorithm is using the MD5 hash function repeatedly on the given passphrase and the given salt to populate the secret key and the IV. 2022-10-01, 262🔥, 0💬

What is Crypt::CBC
A quick introduction is provided for the Crypt::CBC Perl module, which can be used to perform encryption and decryption in the CBC (Cipher Block Chaining) operation mode with a given block cipher for any number of blocks. 2022-10-01, 261🔥, 0💬

Full Version in PDF/EPUB
Information on how to obtain the full version of this book in PDF, EPUB, or other format. 2022-10-01, 261🔥, 0💬

Blowfish Cipher Algorithm
Tutorial notes and example codes on Blowfish cipher algorithm. Topics include Blowfish encryption algorithm; Blowfish Sub-key and S-box generation schema; Blowfish decryption algorithm and proof; list of first 8336 hex digits of PI; C program to calculate hex digits of PI. 2022-10-01, 259🔥, 0💬

Ways to Control Secret Key and IV
A quick explanation of different Blowfish cipher operation modes and different ways to control the secret key and the IV: literal key, salted key and random key. 2022-10-01, 256🔥, 0💬

Installing Crypt::Blowfish 2.14 with ActivePerl
A tutorial is provided to show how to install Crypt-Blowfish 2.14 module originally developed by A.M. Kuchling with ActivePerl 5.18 on Windows. 2022-10-01, 249🔥, 0💬

"bf-cbc" Cipher with Random Salt
A tutorial example is provided to show you how to use the 'bf-cbc' cipher with Random Salt to encrypt and decrypt binary data files. The Secret Key and the IV will be derived from the given passphrase and a random salt. 2022-10-01, 239🔥, 0💬

"bf-cbc" Encryption Verification
A tutorial example is provided to verify OpenSSL 'enc -bf-cbc' command against the Blowfish CBC test vector published at www.schneier.com. 2022-10-01, 229🔥, 0💬

Crypt::CBC Secret Key and IV Algorithm
The algorithm used in Crypt::CBC is described for deriving the secret key and the IV from a passphrase and a salt. It is using the MD5 hash function 4 times recursively on the combination of the passphrase and the salt to produce bytes to populate the secret key and the IV. 2022-10-01, 226🔥, 0💬

Crypt::CBC Literal Key Error Cases
Error cases are provided on secret key size and IV size when using Crypt::CBC with the Literal Key option. Secret key must be 56 bytes long and IV must be 8 bytes long. 2022-10-01, 219🔥, 0💬

Crypt::Blowfish Verification with Test Vectors
A tutorial Perl example is provided to show how to verify the Crypt::Blowfish module with standard Blowfish 16-round algorithm test vectors. 2022-10-01, 215🔥, 0💬

Perl Crypt::CBC Module
Tutorial notes and example codes are provided on Crypt::CBC Perl module. Topics include introduction and installation of Crypt::CBC; Encryption options, Literal Key, Salted Key and Random Salt; Padding options; Test Vectors. 2022-10-01, 215🔥, 0💬

Secret Keys with Repeating Pattern
Tutorial examples are provided to show that secret keys with a repeating pattern will result the same ciphertext for the same given plaintext. 2022-10-01, 195🔥, 0💬

About This Book
This section provides some detailed information about this book - __title__. 2022-10-01, 185🔥, 0💬

Crypt::ECB Auto Padding
Padding option is described for the Crypt::ECB encryption process. It offers only 1 padding option called PADDING_AUTO, which uses the standard PKCS#5 algorithm. 2022-10-01, 185🔥, 0💬

Proof of Blowfish Cipher Algorithm
A proof is provided to show that the Blowfish decryption algorithm will give us back the original plaintext. 2022-10-01, 182🔥, 0💬

What is PHP Mcrypt Extension
This section describes the PHP Mcrypt Extension - a built-in PHP extension that allows to access the mcrypt library, which supports Blowfish and a number of other cipher encryption algorithms. 2022-10-01, 182🔥, 0💬

What Is Crypt::Blowfish
A quick introduction is provided for the Crypt::Blowfish Perl module, which can be used to perform encryption and decryption on a single cipher block of 64 bits. 2022-10-01, 178🔥, 0💬

Secret Key Padding and Truncation
A tutorial example is provided to show you how OpenSSL 'enc' apply padding or truncation to get a 16-byte secret key from the value specified in the '-K' option. 2022-10-01, 178🔥, 0💬

Blowfish Cipher Decryption Algorithm
The Blowfish cipher decryption algorithm is presented. It is identical to the encryption algorithm, except that Sub-keys, P1, P2, ..., P18, are applied in reverse order. 2022-10-01, 176🔥, 0💬

Crypt::CBC Operation Simulation
A tutorial Perl example is provided to show how to use Crypt::Blowfish module to simulate the CBC operation mode. The simulation result matches the result from the Crypt::CBC module. 2022-10-01, 176🔥, 0💬

Perl Crypt::ECB Perl Module
Tutorial notes and example codes are provided on Crypt::ECB Perl module. Topics include introduction and installation of Crypt::ECB; Encryption test cases; Auto padding option. 2022-10-01, 174🔥, 0💬

Crypt::CBC Salted Key Test Cases
Some test cases are provided to run Crypt::CBC with the salted key option. Passphrase can have any length. But salt must be 8 bytes long. 2022-10-01, 173🔥, 0💬

PHP Mcrypt Extension for Blowfish
Tutorial notes and example codes on PHP Mcrypt Extension. Topics include introduction of PHP Mcrypt Extension; Running Blowfish a block cipher (ECB mode); Running Blowfish in block chaining cipher (CBC, CFB and OFB modes). 2022-10-01, 173🔥, 0💬

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Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python Reference REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO