XML Tutorials - Herong's Tutorial Examples
This XML tutorial book is a collection of notes and sample codes written by the author while he was learning XML himself. Topics include introduction to XML, DTD (Document Type Definition), XSD (XML Schema Definition), XPath (XML Path Language), XSL (Extensible Stylesheet Language), XSLT (XSL Transf... 2021-03-07, 9762👍, 2💬
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, 175👍, 1💬
Blowfish Decryption Algorithm
This section describes the Blowfish decryption algorithm, which is identical to the encryption algorithm step by step in the same order, only with the sub-keys applied in the reverse order. 2021-04-18, 646👍, 2💬
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... 2021-01-03, 112👍, 1💬
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 ... 2020-09-24, 1538👍, 1💬
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, 347👍, 1💬
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, 1105👍, 1💬
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, 669👍, 1💬
This section describes META-INF files in an .apk package file: MANIFEST.MF - manifest file, CERT.SF ...
This free book is a collection of tutorial notes and sample codes written by the author while he was...
This section describes 2 types of locks: Read Lock (Shared Lock) and Write Lock (Exclusive Lock), an...
This chapter provides tutorial notes on CLOB (Character Large Object) data types, TEXT, with SQL Ser...
This section describes how to install AdventureWorksLT as a sample database on SQL Server.