EC Cryptography Tutorials - Herong's Tutorial Examples
This EC (Elliptic Curve) cryptography tutorial book is a collection of notes and sample codes written by the author while he was learning cryptography technologies himself. Topics include rule of chord and point addition on elliptic curves; Abelian groups with additive and multiplicative notations; ... 2019-07-06, 571👍, 3💬
DES Key Schedule Algorithm Illustration Program Output
This section provides the execution output of the tutorial Java program, DESSubkeysTest.java, to illustrate how DES key schedule algorithm works. 2015-08-09, 1935👍, 1💬
What Is APK File Format?
This section describes the Android application package (APK) file, which is really a ZIP archive file that holds all binary codes, resources and other data required by the Android application. 2016-06-07, 1922👍, 1💬
Installing and Running Java DB - Derby
This chapter provides tutorial notes on downloading, installing and setting up Java DB (Derby) server. Topics include downloading and installing Java DB 10.5.3; verifying Java DB execution environment; running Java DB in Network Server mode; using 'ij' to create database and tables. 2015-11-08, 1922👍, 3💬
DES Decryption Algorithm
This section describes DES decryption algorithm - identical to the encryption algorithm step by step in the same order, only with the subkeys applied in the reverse order. 2019-06-17, 1919👍, 3💬
SoapUI Configuration for Messaging Encryption
This section provides a tutorial example on how to create a configuration entry to support SOAP messag encryption with an X.509 certificate in a JKS (Java KeyStore) file. 2019-06-01, 1911👍, 3💬
Encryption using RSA Public Key with SoapUI
This section provides a tutorial example on how to encryption the SOAP body element content with a RSA public key certificate using SoapUI. 2016-11-04, 1893👍, 3💬
"aapt" - Android Asset Packaging Tool
This section describes 'aapt', the Android Asset Packaging Tool, which can be used to list, add and remove files in an APK file, package resources, crunching PNG files, etc. 2015-11-16, 1890👍, 1💬
Operations on "byte" Data Type Values
This section provides a tutorial example on how 'byte' values are casted to 'int' values when they are involved in arithmetic, comparison and bitwise operations. 2017-01-21, 1876👍, 2💬
MulticastListener.java - A Simple Multicast Listener Program
This section provides a tutorial example on how to write a simple Java test program to join any given multicast group and listen to incoming messages. 2017-07-27, 1858👍, 3💬
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. 2018-12-22, 1841👍, 4💬
Viewing Components of RSA Keys
This section provides a tutorial example on how to view different components of a pair of RSA private key and public key using the OpenSSL command line tool. 2016-03-14, 1839👍, 2💬
Using "Process" Class to Show Memory Usages
This section provides a tutorial example on how to retrieve memory usage statistics of your application using methods and properties of the System.Diagnostics.Process class. 2015-11-06, 1817👍, 1💬
ReadParse() - Parsing Web Form Input Values
This section describes functions provided in the CGI library, cgi-bin.pl. It also provides a tutorial example on how to use the ReadParse() to parse Web form input values and other functions. 2019-02-16, 1802👍, 6💬
Sending and Receiving Cookies - Example
This section provides a tutorial example on how to set and send a cookie with the setcookie() function, and how to receive a cookie with the $_COOKIE array. 2015-10-31, 1793👍, 1💬
What is CFB (Cipher FeedBack) Operation Mode?
This section describes what is CFB (Cipher FeedBack) Operation Mode - each plaintext block is XORed with the encrypted version of the ciphertext of the previous block to be the ciphertext block. 2017-01-13, 1786👍, 3💬
Introduction of PKI (Public Key Infrastructure)
This chapter provides a quick introduction of PKI (Public Key Infrastructure). Topics include what is PKI; usage examples of PKI; most popular certificate authorities. 2016-02-22, 1786👍, 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. 2019-05-14, 1772👍, 3💬
This section provides a tutorial example on how to download the WSDL document from the Web service p...
This PKI (Public Key Infrastructure) tutorial book is a collection of notes and sample codes written...
This section describes the Base64 encoding algorithm with some simple encoding examples.
This section provides a tutorial example on how to perform validation of a certificate path with the...
This section provides a quick introduction of Web server log files with examples of IIS and Apache s...