Ethereum Tutorials - Herong's Tutorial Notes
This free book is a collection of tutorials and notes on Ethereum and blockchain. Topics include Blockchain, Ethereum, Cryptocurrency, Mining, MetaMask, Wallet. 2018-03-11, 244👍, 1💬
XML Editor and Schema Processor - XMLPad
This chapter provides notes and tutorial examples on the free XML editor and XML Schema processor, XMLPad. Topics include installing WMHelp XMLPad Pro, assigning XML Schema to XML documents, validating XML documents, generating XML schema diagram. 2017-12-04, 432👍, 1💬
This section describes what is Chinese astrology. 2017-12-04, 433👍, 2💬
Usage Examples of Public Key Infrastructure
This section provides some usage examples of PKI (Public Key Infrastructure), like HTTPS (Hypertext Transfer Protocol Secure) protocol, digital signature, encryption of documents, digital identification. 2017-11-30, 521👍, 2💬
Newton's Third Law of Motion
This section introduces Newton's Third Law of Motion - If a force is exerted by one object to another object, another force is simultaneously exerted by the second object to the first object with equal strength and opposite direction. 2017-11-28, 431👍, 1💬
SslReverseEchoer.java - SSL Server Socket Example
This section provides a tutorial example on how to write a sample program to create a SSL server socket to listen for incoming SSL socket connection requests from client machines. 2017-11-27, 868👍, 2💬
PHP Implementation of DES - mcrypt
This chapter provides tutorial examples and notes about PHP implementation of DES. Topics include introduction of mcrypt library; mcrypt encryption functions; DES encryption and decryption test program and test result. 2017-11-23, 1189👍, 3💬
Introduction of HTTPS (Hypertext Transfer Protocol Secure)
This chapter provides a quick introduction of HTTPS (Hypertext Transfer Protocol Secure). Topics include what is HTTPS; Web server authentication; communication data encryption. 2017-11-15, 1875👍, 3💬
How Secure Is RSA Algorithm?
This section discusses the security of RSA public key encryption algorithm. RSA private key is not 100% secure. But if the private key uses larger value of n = p*q, it will take a very long time to crack the private key. 2017-11-10, 397👍, 2💬
"base64Binary" Datatype Values and Representations
This section describes the built-in primitive datatype, 'base64Binary' that represents binary data represented in Base64 encoding. Whitespaces are allowed and removed. 2017-11-08, 4822👍, 3💬
Building Your Own Web Browser
This section provides a tutorial example on how to use the saveWebArchive() method to save Web page content in WebView to Web archive files in the application's files folder. 2017-11-05, 459👍, 2💬
What Is DSA (Digital Signature Algorithm)?
This section describes the DSA (Digital Signature Algorithm) algorithm, which consists of 2 parts: generation of a pair of public key and private key; generation and verification of digital signature. 2017-10-29, 22398👍, 14💬
HelloServerWsdl.php - SOAP 1.2 Server Application in WSDL Mode
This section describes a tutorial example of a complete SOAP application with both server and client programs using SOAP 1.2 in WSDL mode. 2017-10-26, 8186👍, 11💬
SHA1 Message Digest Algorithm Overview
This section describes the SHA1 algorithm - a 6-step process of padding of '1000...', appending message length, preparing 80 process functions, preparing 80 constants, preparing 5 word buffers, processing input in 512 blocks. 2017-10-26, 10112👍, 6💬
Using SHA1 Message Digest in Java
This section provides a tutorial example on how to use SHA1 message digest algorithm in Java. The JDK JCE package offers the SHA1 algorithm through a generic message digest class, javax.security.MessageDigest. 2017-10-24, 12765👍, 7💬
This section provides a tutorial example on how to use 'keytool' to import certificates in DER and P...
This section describes a tutorial on how to play DAT files directly with Windows Media Player.
This section describes XML Tools Plugin, which provides a small set of useful tools for editing XML ...
This section provides a tutorial example on how to install OpenSSL on a Windows system.
This section describes the DSA (Digital Signature Algorithm) algorithm, which consists of 2 parts: g...