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OpenSSL "enc -bf-cbc" for Blowfish/CBC Encryption
Tutorial notes and example codes are provided OpenSSL 'enc -bf-cbc' command for Blowfish encryption in CBC mode. Topics include introduction of CBC (Cipher Block Chaining) cipher operation mode; Literal Key options to specify secret key and IV directly; Salted Key and Random Salt options to specify ... 2022-07-08, ∼4547🔥, 2💬

💬 2020-09-24 ajmal: 123

OpenSSL "enc" Blowfish Ciphers
A tutorial example is provided to show how to use OpenSSL 'enc' command to invoke cipher functions for Blowfish algorithm. 4 Blowfish cipher functions are supported: bf-cbc, bf-cfb, bf-ecb, and bf-ofb. 2022-10-01, ∼2931🔥, 0💬

OpenSSL Default Padding - PKCS#5
A tutorial example is provided to show you how to OpenSSL controls padding on plaintext. OpenSSL uses the PKCS#5 padding algorithm by default, unless you specify the '-nopad' option. 2022-10-01, ∼2547🔥, 0💬

Blowfish Cipher Test Vectors
A list of test vectors is provided for the 16-round and 64-bit block Blowfish cipher algorithm. 2024-01-11, ∼1864🔥, 4💬

💬 2018-09-22 Herong: Codesmith, Thanks for the confirmation.

💬 2018-09-17 Codesmith: Having tested both, it seems the standard Blowfish algorithm is actually big-endian, as big-endian interpretation works for thes...

💬 2018-09-17 Codesmith: I presume these vectors are interpreted in little endian when being converted to pairs of 32bit values?

Blowfish Cipher Tutorials - Herong's Tutorial Examples
This tutorial book is a collection of notes and sample codes written by the author while he was learning Blowfish cipher himself. Topics basic concepts of cipher and encryption; introduction of Blowfish cipher algorithm; 8366 Hex Digits of PI; Perl Crypt::Blowfish and Crypt::CBC, Crypt::CFB modules;... 2022-10-01, ∼1655🔥, 0💬

piqpr8.c - Generating Hex Digits of PI
A C source code is provided to generate hexadecimal digits of the fractional part of PI (0.1415927...) using the BBP (Bailey–Borwein–Plouffe) formula. 2016-03-25, ∼1592🔥, 1💬

💬 2016-03-25 Mike: Testing answer

OpenSSL "enc -bf-ofb" for Blowfish/OFB Encryption
Tutorial notes and example codes are provided OpenSSL 'enc -bf-ofb' command for Blowfish encryption in OFB mode. Topics include introduction of OFB (Output FeedBack) cipher operation mode; Literal Key options to specify secret key and IV directly; Salted Key and Random Salt options to specify secret... 2023-02-15, ∼1375🔥, 2💬

"bf-cbc" Cipher with Literal Key
A tutorial example is provided to show you how to use the 'bf-cbc' (Blowfish in CBC mode) cipher with Literal Key to encrypt and decrypt binary data files. 2022-10-01, ∼1323🔥, 0💬

Crypt::CBC Encryption with Salted Keys
A tutorial Perl example is provided to show how to use Crypt::CBC to perform encryption with a passphrase and a salt, which will be used to derive the secret key and the IV. 2015-12-20, ∼1189🔥, 1💬

💬 2015-12-20 Ed: Great tutorial. It helped me solving my problem. Many thanks!

Key Schedule (Sub-Keys and S-Boxes) Algorithm
The Blowfish Key Schedule (Sub-Keys Generation) algorithm is provided to generate 18 Sub-keys and 4 S-boxes, using user provided secret key and hexadecimal digits of the fractional portion of constant Pi, (3.1415927... - 3) = 0.1415927... as input. 2022-10-01, ∼1049🔥, 0💬

"enc -bf-ecb" Command Summary
A quick summary is provided to list major features of the OpenSSL 'enc -bf-ecb' command. Blowfish algorithm in ECB operation mode with a random salt and PKCS#5 padding, or Blowfish/ECB/Salted/PKCS5Paddi ng,is the recommended way to use Blowfish in ECB mode. 2022-10-01, ∼866🔥, 0💬

OpenSSL "enc -bf-ecb" for Blowfish/ECB Encryption
Tutorial notes and example codes are provided OpenSSL 'enc -bf-ecb' command for Blowfish encryption in ECB mode. Topics include introduction and installation of OpenSSL; ECB (Electronic CodeBook) cipher operation mode; Literal Key options to specify secret key and IV directly; Salted Key and Random ... 2023-05-19, ∼766🔥, 1💬

"enc -bf-cbc" Command Summary
A quick summary is provided to list major features of the OpenSSL 'enc -bf-cbc' command. Blowfish algorithm in CBC operation mode with a random salt and PKCS#5 padding, or Blowfish/CBC/Salted/PKCS5Paddi ng,is the recommended way to use Blowfish in CBC mode. 2022-10-01, ∼741🔥, 0💬

"bf-ecb" Cipher with Salted Key
A tutorial example is provided to show you how to use the 'bf-ecb' cipher with Salted Key to encrypt and decrypt binary data files. The Secret Key and the IV will be derived from the given passphrase and the given salt. 2022-10-01, ∼708🔥, 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. 2026-02-07, ∼670🔥, 2💬

💬 2026-02-07 audrey: cool

💬 2025-08-02 abhishek: good and helpful

Perl Crypt::Blowfish Module
Tutorial notes and example codes on Crypt::Blowfish Perl Module. Topics include introduction of Crypt::Blowfish; Download and installation; Behavior tests; Test vector verification; Building 128-bit key test vectors. 2016-11-14, ∼653🔥, 1💬

💬 2016-11-14 martin: expretion of some one to the things done on him

OpenSSL "enc -bf-cfb" for Blowfish/CFB Encryption
Tutorial notes and example codes are provided OpenSSL 'enc -bf-cfb' command for Blowfish encryption in CFB mode. Topics include introduction of CFB (Cipher FeedBack) cipher operation mode; Literal Key options to specify secret key and IV directly; Salted Key and Random Salt options to specify secret... 2022-10-01, ∼640🔥, 0💬

Installing Crypt::CBC 2.33 with ActivePerl
A tutorial is provided to show how to install Crypt-CBC 2.33 module, that can be used together with Crypt::Blowfish (installed previously) to encrypt plaintext of any size. 2022-10-01, ∼636🔥, 0💬

Blowfish Cipher Encryption Algorithm
The Blowfish cipher algorithm is presented based on the algorithm designer Bruce Schneier's technical paper. Blowfish cipher is 16-round and 64-bit block cipher. 2021-06-17, ∼632🔥, 1💬

💬 2021-06-17 Potato: Where did the name blowfish originate from?

Crypt::CBC Encryption with Literal Keys
A tutorial Perl example is provided to show how to use Crypt::CBC to perform encryption with a literal key and an IV specified by the user. 2022-10-01, ∼629🔥, 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, ∼599🔥, 0💬

php_blowfish.php - PHP Blowfish Demo
This section provides a tutorial example on how to use mcrypt_module_*() functions to perform Blowfish cipher encryption in PHP. The demo PHP script is provided by Chilkat Software. 2022-10-01, ∼594🔥, 0💬

Installing OpenSSL for Windows
A tutorial example is provided on how to download and install the binary version of OpenSSL 0.9.8h on Windows. Installing the source version of OpenSSL requires compilation of C code. 2022-10-01, ∼549🔥, 0💬

"bf-cbc" Cipher with Salted Key
A tutorial example is provided to show you how to use the 'bf-cbc' cipher with Salted Key to encrypt and decrypt binary data files. The Secret Key and the IV will be derived from the given passphrase and the given salt. 2022-10-01, ∼534🔥, 0💬

1 2 3 4 > >>   ∑:75  Sort:Date

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 REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO