Herong's Tutorial Examples

PKI Tutorials - Herong's Tutorial Examples
This tutorial book is a collection of notes and sample codes written by the author while he was learning PKI (Public Key Infrastructure) technologies himself. Topics include Root CA (Certificate Authorities); SSL, TLS, and HTTPS; Server and client authentication processes; Communication data encrypt... 2026-05-06, ≈14🔥, 5💬

💬 2024-11-16 Jay Sarna: Thankyou Dr. Yang. Got it.

💬 2024-11-10 Herong: Hi Jay, I have shared the PDF file with your google account. You should receive a notification with a download link.

💬 2024-10-03 Herong: Hi Jay, I am sorry that you haven't received the PDF file yet. It was sent on Sep 12 to your gmail address. It looks like gmail ...

💬 2024-10-01 Jay Sarna: Request for purchased books ----------------------------- Hello Dr. Yang I hope you are ok. I purchased pdf copy of this book vi...

💬 2016-02-07 john: thanks!

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"adb push" and "adb pull" Commands
This section describes 'adb push' and 'adb pull' commands, which allows you to copy files to and from the remote Android emulator or device. 2015-12-17, ≈16🔥, 2💬

💬 2015-12-17 Herong: RevHectorForbes, yes the "adb push" should go first, followed by push-from location and push-to location. I think my examples ar...

💬 2015-12-16 RevHectorForbes: Hey man, this is some way cool technical s**t, but another site (http://www.androidauthority.com/and roid-customization-transfer-...

MySQL Connector/J - Download and Installation
This section describes how to download and install MySQL Connector/J (JDBC driver). 2022-10-01, ≈16🔥, 0💬

DES Key Schedule (Round Keys Generation) Algorithm
This section describes DES (Data Encryption Standard) algorithm - A 16-round Feistel cipher with block size of 64 bits. 2022-06-06, ≈16🔥, 12💬

💬 2022-06-06 hello: <script> alert("Hello! I am an alert box!"); </script>

💬 2018-02-24 Herong: hema, values in the pc-2 table are pre-defined by the algorithm. They are not calculated.

💬 2018-02-23 hema: i understood pc-1 table can you pls guide to calculate manually pc-2 table in des algorithm.

💬 2017-10-24 Herong: QuAI, you are right those bits are not used in the Permuted Choice 1 (PC1) table.

💬 2017-10-19 QuAl: And forget about bits 8, 16, ..., 64 of initial кey K! Those bits for parity check only (see FIPS 46-3)

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"OpenSSL" Generating Certificates in DER and PEM
This section provides a tutorial example on how to generate certificates in DER and PEM formats using 'OpenSSL'. 2026-01-11, ≈15🔥, 5💬

-Xss JVM Option for Stack Size
This section describes the -Xss option to specify JVM stack size. Changing stack size can help to estimate frame size. The frame size is 32 bytes for a simple method call. 2019-08-24, ≈15🔥, 1💬

💬 2019-08-24 sksksk: <a href="/1'"><svg/onload=alert( 1)>">click</a>

SslSocketClient.java - SSL Client Socket Example
This section provides a tutorial example on how to write a sample program to create a SSL client socket to connect to a SSL server socket. The connection will fail if the server's certificate is self-signed. 2016-06-10, ≈15🔥, 3💬

Loading JDBC Driver for MySQL Server
This section describes how to load the MySQL JDBC driver class - mysql-connector-java-xxx-bin.j ar. 2024-08-29, ≈15🔥, 1💬

💬 2024-08-29 bk: bull-kit

💬 2019-04-28 M1001101: Meaningful comments. Thanks!

💬 2018-09-20 raj: hatt budbak aisa kuch nahin hota bakwas hai ye program

💬 2017-09-16 vivek sharma: good

💬 2017-01-14 Herong: Thanks for the nice comment! ☺

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Feedback on the Comment Module
The comment module on this Web site was extended from the original guestbook tool. If you have any feedback, please share it here. 2022-05-08, ≈15🔥, 27💬

💬 2015-09-14 Herong: The original guestbook has been retired as of Sep. 12, 2015.

💬 2012-04-17 M REAVES: NICE GUESTBOOK.

💬 2009-03-19 Bharat: Hi it really good guestbook i have seen. good job.

💬 2008-10-25 Biphendpoenda: Another test

💬 2008-07-02 Brin: Hello, nice site :)

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Using WSDL2Java to Generate Web Service Stub Classes
This chapter provides tutorial notes and example codes on WSDL2Java. Topics include using the WSDL2Java tool included in Axis2; generating client side stub classes; using stub and data type classes; testing stub classes with XML document and RPC method based Web services. 2022-07-25, ≈15🔥, 10💬

💬 2018-04-22 test name: thanks

💬 2017-01-20 Stephen: Hi , thanks for this tutorial

💬 2016-02-24 Herong: NfeDownloadNFStub, do you need any help on your WSDL document?

💬 2016-02-23 NfeDownloadNFStub: <?xml version="1.0" encoding="UTF-8"?> <wsdl:definitions xmlns:s="http://www.w3.org/2001/XMLS chema"xmlns:soap12="...

💬 2015-12-18 prem: thanks

CipherDES.java - A Java Implementation of DES
This section provides a tutorial Java program, CipherDES.java - A Java Implementation of DES encryption and decryption algorithm. 2017-02-16, ≈15🔥, 9💬

💬 2017-02-16 Herong: Andro, I think implementation of DES using String methods will be slower than using byte and int operations.

💬 2017-02-12 Andro: Good done. I have created my own DES with benefits of string methods in Java. My DES receives binary string and key, then cipher...

💬 2016-03-03 Dede: Helps a lot, currently developping a mobile application that has to do with encryption. Thanks

💬 2015-10-16 Herong: Skip, Good luck on your study!

💬 2015-10-15 Skip: I'm taking a graduate course in cryptography and this was extremely helpful for going from DES visual to DES in java. I really a...

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Free Chinese Calendars: 2031 - 2040
Where to find Chinese New Year dates for year 2031 to 2040? Where to get free Chinese calendars? Here are the Chinese New Year dates for year 2031 to 2040: Free Chinese Calendars for year 2031 to 2040: Free Chinese Calendar 2031 - Year of the Boar Free Chinese Calendar 2032 - Year of the Rat Free Ch... 2021-11-01, ≈15🔥, 0💬

JDBC-ODBC - Connecting to a DSN
This section describes how to connect to a DSN (Data Source Name) with JDBC-ODBC Bridge. 2022-10-01, ≈15🔥, 0💬

Double Ninth Festival - 9th Day of 9th Lunar Month
When is the Chinese Double Ninth Festival? How is it celebrated? What are the traditions? The ninth day of the ninth month in the Chinese lunar calendar is the Chinese Double Ninth Festival (重阳节). According to the I Ching, nine is a yang number; the ninth day of the ninth lunar month (or double nin... 2021-05-26, ≈15🔥, 0💬

Live Examples of Web Services
A collection of live Web service examples for WSDL 1.1, WSDL 2.0, SOAP 1.1, SOAP 1.2, with XML document and RPC message styles: "Hello" Web Service "Hello_REST" - REST Web Service "UnitConversion_REST" - REST Web Service "Registration" Web Service - WSDL 1.1 and SOAP 1.2 "Reservation" Web Service - ... 2022-07-08, ≈15🔥, 2💬

Free Chinese Calendar 2031 - Year of the Boar
Want to know when is the 2031 Chinese New Year day? Look for free Chinese calendars for 2031? Chinese New Year Date for Year 2031 ⇒ Free Chinese Calendar 2032 - Year of the Rat ⇐ Free Chinese Calendars: 2031 - 2040 ⇑ Free Chinese Calendars: 2031 - 2040 ⇑⇑ Free Chinese Calendars 2021-10-30, ≈14🔥, 0💬

Lucky Wedding Dates: 2029 - Year of the Rooster
Where to find lucky wedding dates for year 2029? Lucky Wedding Dates: 2029 - Year of the Rooster ⇒ Lucky Wedding Dates: 2030 - Year of the Dog ⇐ Lucky Wedding Dates: 2028 - Year of the Monkey ⇑ Lucky Wedding Dates: 2021 - 2030 ⇑⇑ Wedding Date - The Most Important Date of Your Life 2021-11-24, ≈14🔥, 0💬

Table of Contents
This free book is a collection of notes and sample codes written by the author while he was learning Flash. Topics include ActionScript, ActiveX, classid, Flash, FFmpeg, OBJECT, Player, Plugin, Shockwave, SWF, SWFTools, Web. 2021-08-27, ≈14🔥, 169💬

💬 2018-04-01 Herong: Citing pressure from HTML5, WebGL, and WebAssembly, Adobe has announced in July, 2017 that it will end development and distribut...

💬 2015-07-17 Joe: Is Flash dead?

Playing Movie with FFmpeg "ffplay" Command
This section provides a tutorial example on how to use the FFmpeg 'ffplay' command to play movie file stored in MPEG4 (*.mp4) format. 2022-07-13, ≈14🔥, 2💬

💬 2022-07-13 Your Name: meaningful comment

💬 2017-07-17 Nishadi: thanks. it is works

HttpsHello.java - HTTPS Server Test Program
This section provides a tutorial example on how to write a HTTPS server test program, HttpsHello.java. It writes back a simple Web page using the HTTPS protocol. 2020-01-28, ≈14🔥, 25💬

💬 2020-01-28 Herong: Bing, see Generating Private Keys tutorial on how to creat JKS files.

💬 2020-01-24 BingLi224: how to create .jks certificate file correctly?

💬 2017-09-20 Herong: Sandeep, you need to create a server certificate in a .jks file first.

💬 2017-09-08 sandeep kumar shukla: I am getting following error while I run the servier program. java.io.FileNotFoundException: herong.jks (The system cannot find ...

💬 2016-09-21 Test: Hello. How are you?

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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... 2025-12-23, ≈14🔥, 3💬

💬 2022-07-22 Helen: This is very helpful!

💬 2016-05-07 mehari: this tutorials helps many trainers through out the world, thanks!

💬 2015-07-19 Jay: What about JSON format?

getBit() - Retrieving a Bit from a Byte Array
This section provides a tutorial example on how to get one bit back from a byte array at a specific bit position - getBit(). 2019-11-14, ≈14🔥, 2💬

💬 2016-07-10 bfssd: Meaningful comments

JDBC-ODBC - Inserting Data Rows to MS Access Database
This section describes how to insert new data rows into MS Access database through the JDBC-ODBC driver. 2022-10-01, ≈14🔥, 0💬

Listing of Trusted Root CA in Google Chrome
This section provides a tutorial example on how to see the list of trusted root CA (PKI Authorities) pre-installed in Google Chrome. 2016-09-16, ≈14🔥, 1💬

💬 2016-09-16 Pooja Shukla: good

Lantern Festival - 15th Day of 1st Lunar Month
When is the Chinese Lantern Festival? How is it celebrated? What are the traditions? The 15th day of the 1st lunar month is the Chinese Lantern Festival because the first lunar month is called yuan-month and in the ancient times people called night Xiao. The 15th day is the first night to see a full... 2021-08-13, ≈14🔥, 0💬

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