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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About This Book: ASP tutorials
This section provides some detailed information about this book - ASP Tutorials - Herong's Tutorial Examples. 2016-03-02, ∼539🔥, 1💬

💬 2016-03-02 Anatoly: OK

"jar --create" - Creating New JAR File
This section provides a tutorial example on how to create a JAR file with the 'jar --create' command. 2016-03-02, ≈21🔥, 1💬

💬 2016-03-02 luis: algun comentario

Key Pair Sample Program - JcaKeyPair.java
This section provides a tutorial example on how to write simple program to generate a pair of private key and public key for the RSA or DSA algorithm. 2016-03-01, ∼2257🔥, 1💬

💬 2016-03-01 Shruti: thanks

Sun Implementation of UUEnccode in Java
This section provides a test program for the Java implementation of UUEncode by Sun. Tests of both encoder and decoder are provided. 2016-02-29, ∼2317🔥, 2💬

💬 2016-02-29 Herong: weller, thanks for pointing out the typo. It will be corrected in the next update.

💬 2016-02-28 weller: ren SunUUEncode.uu SunUUEncode.class should be ren SunUUEncode.cls SunUUEncode.class

Illustration of RSA Algorithm: p,q=7,19
This section provides a tutorial example to illustrate how RSA public key encryption algorithm works with 2 small prime numbers 7 and 19. 2016-02-29, ∼4378🔥, 3💬

💬 2015-11-01 Herong: Jun, AES algorithm is added now, see Introduction to AES (Advanced Encryption Standard) .

💬 2015-10-17 Herong: Jun, thank you for pointing out the mistake. I will correct it in the next version. AES will also be included.

💬 2015-10-16 jun: thanks a lot. your book makes everything clear for me except that I have not found a char for AES. By the way, I think "Generati...

RSA Implementation using java.math.BigInteger Class
This chapter provides tutorial notes and example codes on RSA implementation using Java BigInteger class. Topics include introduction of the java.math.BigInteger class; generating large probable prime numbers; generating RSA public key and private key; validating RSA keys; determining cleartext and ... 2016-02-29, ∼4219🔥, 3💬

💬 2016-02-29 Herong: sah, is that an encoded comment?

💬 2016-02-28 sah: 7C4A8D09CA3762AF61E59520943DC26494F8 941B

💬 2014-02-06 Chinmayee: Searching for a book on RSAKey generation and got your link. Have not gone through the pdf yet. If find it good, will go for the...

jar - The JAR File Tool
This chapter provides notes and tutorials on JAR file tool, 'jar'. Topics include Java Archive (JAR) file forma, 'jar' command options, creating JAR files, managing JAR files with WinZIP, using manifest file, creating executable JAR files. 2016-02-27, ∼2040🔥, 3💬

💬 2015-06-06 svdude: Love your clear explanation of creating and using JARs. Thank you!

💬 2010-12-25 Herong: Eka, No, you can not use client's public key to sign a .jar file. Digital signature needs to be generated using your own private...

💬 2010-12-22 Eka: If i have a client's public key... can i sign a .jar using his public key to later be used only by him?

HijackThis - Browser Hijacker Diagnosis Tool
This chapter provides tutorial examples on HijackThis, a browser hijacker detection and open source tool. Topics include installing HijackThis; scanning system settings for changes; fixing changed settings; reviewing running processes, startup programs, and installed programs. 2016-02-27, ∼443🔥, 1💬

Managing Bit Strings in Byte Arrays
This chapter provides tutorial notes and tutorial examples on managing bit strings in byte arrays. Topics include setting a bit value into a byte array; getting a bit value back from a byte array; rotating all bits in a byte array. 2016-02-27, ∼1604🔥, 4💬

💬 2015-10-10 Brian: Excellent tutorials. Thanks!

💬 2006-11-19 Herong: Hi Naren, I added a section, Managing Bit Strings in Byte Arrays , to explain the getBit() and setBit() used in the DES implemen...

💬 2006-11-10 Naren: can u help me how the getbit() and setbit() implementation is done ...y ur are taken the hexadecimal no for the processing This ...

💬 2006-11-10 A visitor: hi, Your program for des is superb ......but can u help me how the getbit() and setbit() implementation is done ...y ur are take...

"aapt package" Command - Resource Code Generation
This section describes the 'aapt package' command to perform the resource code generation step in the Android project build process. The main output is the R.java file in the .\gen folder. 2016-02-27, ∼1241🔥, 2💬

💬 2016-02-27 Herong: Hashim, I don't have any videos on "aapt package" at this moment. If anyone has any, please help.

💬 2016-02-26 Hashim km: could you please provide us some videos regarding "aapt package"

Installing Latest JDK on Windows
This section provides a tutorial example on how to download and install the latest version JDK, which includes some nice Java tools, on a Windows system. 2016-02-26, ∼2089🔥, 2💬

💬 2015-07-29 Herong: Sophie, I am so glad that my tutorial is helpful to you.

💬 2015-07-29 Sophie: Thank you. I have successfully installed Java jdk 1.8 using the instructions on this web page.

Running a JavaScript Code File with 'jrunscript'
This section provides a tutorial example on how to run a JavaScript code file with 'jrunscript' in batch mode. 2016-02-26, ∼492🔥, 0💬

"MatchCollection" and "SubMatches" Collection Objects
This section describes two collection objects, MatchCollection and SubMatches. All collection objects share the Count property and the Item(i) method. 2016-02-26, ∼1596🔥, 0💬

1935 - Yu Zhou Chang Wan (æ¸”èˆŸå”±æ™š) -- Fishman Sung in Evening
Yu Zhou Chang Wan (渔舟唱晚) - Fishman Sung in Evening, Guzheng (古筝) Solo, Composed by Lou Shu-hua (娄树华) in mid 1930s. 2016-02-25, ∼2891🔥, 1💬

💬 2016-02-25 Herong: First time using HTML5 <audio> to play .mp3 files. It works nicely on my Firefox 35! ☺

Trojan and Malware "Puper" Description and Removal
This chapter provides a quick description of Internet Explorer (IE) trojan 'Puper - trojan.popuper' and notes on how to remove 'Puper' from your Windows system. 2016-02-25, ∼847🔥, 1💬

💬 2015-09-18 steph: need to remove virus

UserInit - Winlogon Registry Key
This section provides a tutorial example on how to undo changes done by the PWS Trojan on the UserInit registry value under the HKLM\Software\Microsoft\Window sNT\CurrentVersion\Winlogon registry key. 2016-02-25, ∼8059🔥, 2💬

💬 2015-10-22 Herong: Hi John, you are right that we need keep the comma at the end. Tutorial will be updated in the next version. Thanks.

💬 2015-10-21 John: You have left the comma off!! It is important you do not forget the comma or your computer will not boot. Userinit=C:\WINDOWS\sy...

Chinese Web Pages with Big5 Encoding
This section describes how to create a Chinese HTML document in Big5 encoding and publish it on the Apache server. 2016-02-24, ∼1213🔥, 1💬

Free Chinese Calendar 2016 - Year of the Monkey
Want to know when is the 2016 Chinese New Year day? Look for free Chinese calendars for 2016? Chinese New Year Date for Year 2016 ⇒ Free Chinese Calendar 2017 - Year of the Rooster ⇐ Free Chinese Calendar 2015 - Year of the Goat ⇑ Free Chinese Calendars: 2011 - 2020 ⇑⇑ Free Chinese Calendars 2016-02-24, ≈40🔥, 2💬

💬 2016-01-07 Herong: Xiaoping, Happy new year to you too! Take a look at the mobile version daily calendar . You may like it too. ☺

💬 2016-01-06 Yi XiaoPing: Hi, Yang HeRong: Happy new year 2016, international people rights road. Thanks for the calendar. yi_xiaoping@yahoo.com

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, ∼3071🔥, 2💬

💬 2016-02-22 Charlie Beebout: Thank you. I am looking forward to familiarizing myself with security issues.

Bits, Bytes, Bitwise and Shift Operations
This chapter provides tutorial notes and tutorial examples on bits, bytes and bitwise operations. Topics include bits and bytes as storage units; 'byte' data type and (byte) casting; bitwise operations; shift operations. 2016-02-20, ∼1378🔥, 1💬

💬 2016-02-20 oopo: very good

DTD (Document Type Definition) Introduction
This chapter provides tutorial notes and example codes on DTD (Document Type Definition). Topics include introduction to DTD (Document Type Definition); using DOCTYPE statement to define an XML document type; specifying XML elements, attributes and entities declaration statements inside or outside X... 2016-02-20, ∼1360🔥, 2💬

💬 2016-02-20 Herong: Samir, Which part is bogus?

💬 2016-02-20 Samir Vaghmar: This is bogus. This is great.

Java Thread Deadlock Demo Program
This section provides a tutorial example of simple deadlock demo program, SimpleDeadLock.java, with 2 threads waiting for each other. 2016-02-20, ∼2209🔥, 2💬

💬 2015-11-27 Herong: Rahul, I think your dump file is a correct thread dump. It provides you a list of threads in a text format. You can use any text...

💬 2015-11-26 Rahul: Hi, Thanks for nice article. when we use jstack or kill -QUIT / kill -3 to get thread dump , we always get the dump file which s...

"WinRAR" - RAR and ZIP File Compression Tool
This chapter provides an introduction of WinRAR. Topics include installing WinRAR 3.42, adding files and sub directories to RAR/ZIP files, extracting files from RAR/ZIP files, setting passwords to RAR files, setting Windows Explorer context menu for WinZip, running WinRAR in command line windows. 2016-02-20, ∼706🔥, 0💬

SoapUI - SOAP Web Service Testing Tool
This chapter provides tutorial notes and example codes on SoapUI 5.0.0. Topics include SoapUI features; downloading and installing SoapUI 5.0.0; validating and importing SOAP based WSDL documents; creating and submitting test requests. 2016-02-20, ∼1642🔥, 1💬

💬 2016-02-15 arun: hello how are you

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