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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, 1352👍, 2💬

💬 2017-11-10 Anonymous: LOLZZZ

Tutorial Book List
Tutorial Books: Android Tutorial Examples Bitcoin Tutorial Examples C# Tutorial Examples Cryptography Tutorials Data Encoding Tutorial EC Cryptography Tutorials Ethereum Tutorial Examples Flash Tutorial Examples Free Web Services GB2312 Character Set HTML Tutorial Examples Java Tutorial Examples Jav...
2019-12-08, 1351👍, 0💬

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, 1335👍, 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...

Installing ActivePerl v5.8.8 on Windows Systems
This section provides a tutorial example on how to install ActivePerl v5.8.8 on a Windows XP system.
2016-04-02, 1334👍, 1💬

💬 2016-04-02 rimpi: perl

Perl Script Conversion Tools
This section describes why and how to convert Perl script files to executable binary files. ActivePerl Dev Kit and Perl2Exe are two popular conversion tools for Windows systems.
2019-07-21, 1328👍, 5💬

💬 2019-07-21 Herong: rrr, Thanks for sharing your Perl script. But I don't see any benefit of removing BOM from a Unicode text file. Without BOM, the...

💬 2019-07-20 rrr: # program to remove a leading UTF-8 BOM from a file # works both STDIN -> STDOUT and on the spot (with filename as argument) if ...

💬 2016-03-28 de: ~ m/^p(\d+)_.*\

💬 2016-01-27 Herong: Ram, can you tell us what is the purpose of your Perl script?

💬 2016-01-26 ram: open(FEATURE, $ARGV[0]); while(&lt;FEATURE>) { chomp; if(/^\s*$/) { next; } elsif(/^Enter word or sentence/) { next; } elsif...

Bitwise Operations on "byte" Values
This section describes 4 types of bitwise operations, 'And', 'Or', 'Exclusive Or', and 'Complement' that applies on 'byte' values indirectly through 'int' values.
2016-02-17, 1328👍, 1💬

💬 2016-02-17 javapadho.com: excelement expalin bitwise binary operator.. bitwise operator explain with leftshift,rightshift,rightshift with fill zero value ...

Illustration of RSA Algorithm: p,q=5,7
This section provides a tutorial example to illustrate how RSA public key encryption algorithm works with 2 small prime numbers 5 and 7.
2019-01-21, 1327👍, 2💬

💬 2019-01-21 Herong: someone, why 35 and 5 must be coprime numbers?

💬 2019-01-16 someone: >Compute n = p*q: n = 5*7 = 35 >Compute m = (p-1)*(q-1): m = 4*6 = 24 >Select e, such that e and m are coprime numbers: e = 5 35...

JDBC-ODBC Bridge Driver - Flat Text Files
This chapter provides tutorial notes on using JDBC-ODBC Bridge to access data stored in flat text files. Topics include creating tab delimited data files; creating and configuring DSN for flat data files; running queries on flat files.
2015-10-27, 1321👍, 1💬

💬 2015-10-27 Budiyanto: Thank's

"soap:body" - Binding for SOAP Body
This section describes 'soap:body', a SOAP extension element that specifies how the SOAP Body should be constructed in the SOAP message for an operation input and output. 'literal' means no encoding.
2017-08-16, 1312👍, 1💬

💬 2017-08-16 willy poki: hola

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, 1295👍, 1💬

PDF Printing Version: XML Tutorials
Information on how to obtain the PDF version of this book for printing.
2017-11-07, 1277👍, 3💬

💬 2017-11-07 amarendra: thanks for xml tutorials

💬 2017-04-09 Rajesh: Very nice..Thanks

💬 2016-02-10 Sanjay Kumar: This books looks very helpful for XML editing and validation against XSDs.

Android Tablet - LG-V905R
This section provides a tutorial example on how to connect an Android tablet to a Windows computer using Bluetooth radio. Once connected, you can transfer files between the tablet and computer.
2016-01-16, 1275👍, 2💬

💬 2016-01-16 Herong: Trudy, I am planning to upgrade my Windows 8 to 10. Once upgraded, I will test the Bluetooth connection again and let you know t...

💬 2016-01-14 Trudy Dishmon: That would be great if it worked. My new 2 in 1 windows 10 is asking for a code number that my Android 10.1 has never needed a c...

VBScript Support in IE Web Browsers
This section provides a quick description of how IE browser execute VBScript codes, provide DOM API for document interaction, and provide events to trigger VBScript code execution.
2016-03-19, 1269👍, 2💬

💬 2016-02-15 hs: mein Test

Java GC Tutorials - Herong's Tutorial Examples
This book is a collection of tutorial notes and sample codes written by the author while he was learning JVM GC (Garbage Collection) processes. Topics include Java Garbage Collectors, STW (Stop-The-World), Serial Collector, Parallel Collector, Concurrent Collector, G1 Collector, GC Algorithms, Gener...
2019-01-01, 1257👍, 1💬

💬 2018-06-17 Jack: It's helpful!

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, 1254👍, 2💬

💬 2017-11-05 Herong: Igor, the API document is not very clear if saveWebArchive() is asynchronous method or not. But you can write some print stateme...

💬 2017-11-02 Igor Ganapolsky: Does `saveWebArchive()` have to be done asynchronously on a non-ui thread?

JDBC-ODBC - Connecting to Flat Text Files
This section describes how to connect to a DSN that represents data stored in flat text files in a directory.
2015-09-10, 1249👍, 2💬

💬 2015-09-10 Herong: Raul, do you need some help?

💬 2015-09-09 Raul Perez: No me sirvio de nada

Key Schedule (Sub-Keys Generation) Algorithm
This section describes the Blowfish Key Schedule (Sub-Keys Generation) algorithm. It uses the binary representation of the fractional portion of constant Pi - 3.1415927... as initial values.
2016-03-17, 1243👍, 2💬

💬 2016-03-17 Herong: Hi Yogita, Blowfish(T) function refers the Blowfish algorithm described in the previous tutorial: Blowfish Cipher Algorithm.

💬 2016-03-16 YOGITA: what is the function blowfish(T) here? Send the pseudo code

"java --list-modules" - Listing Modules in JDK
This section provides a tutorial example on how to use 'java --list-modules' command to list all modules included in the JDK installation.
2019-06-01, 1242👍, 4💬

💬 2019-06-01 Herong: Klaus, it's probably getting them from the C:\Program Files\Java\jdk-10.0.1\lib\modules file. But you can also see a list of mod...

💬 2019-05-24 Klaus: Hi, where does this command get the modules? What is the file they lie in? I'm using CentOS

💬 2019-02-19 Herong: Felix, Thanks for pointing out the typo! It will corrected in the next update.

💬 2019-02-14 felix lee: The line "C:\herong>javac --list-modules" should be "C:\herong>java --list-modules". s/javac/java/

SessionPage*.php - Session Test Script Pages
This section provides a tutorial example on how to write multiple script pages and use the session concept to make them work together.
2016-03-30, 1240👍, 3💬

💬 2016-03-30 Herong: Hello Rato, thanks for visiting my site ☺

💬 2016-03-18 RATO KINO: OLA PESSOAL

isoinfo - ISO 9660 Command Line Tools
This section describes a tutorial on how to get summary information of a CD-ROM with 'isoinfo' tool.
2017-01-14, 1214👍, 4💬

💬 2017-01-14 Herong: Anonim and others, I don't have any computer that has a CD drive now. So I am not able to help with your questions. Sorry.

💬 2017-01-10 Anonymous: Anonim, yes the -l parameter do that, but will list all files, not only the ones that has multiple TOC index. I am also looking ...

💬 2017-01-10 Anonim: Is there a way to list the files position? I want to list what files are stored on the same position (ISOs created with link Dup...

💬 2017-01-10 Anonymous: Is there a way to list duplicated files inside the ISO? I mean for that ISOs that have multiple entries on the TOC that point to...

Removing IE Addon "Shockwave Flash Object"
This section provides a tutorial example on how to disable and remove 'Shockwave Flash Object' addon from Internet Explorer.
2018-02-01, 1211👍, 2💬

💬 2017-08-09 Julia: Good advice. Now we'll see if it works.

Setting up Gmail Access on Android Phone
This section provides a tutorial example on how to set up Gmail access on Android phones: 'Settings' > 'Account and sync' > 'Add account'.
2015-08-15, 1211👍, 1💬

💬 2015-08-15 nicholas patterson: It is a great day

SOAP PHP Implementations
This chapter provides notes and tutorials on SOAP PHP implementations: PEAR SOAP, NuSOAP, and PHP Group SOAP.
2016-01-13, 1209👍, 1💬

💬 2016-01-13 Jhon: very good tutorials

Detecting Java Thread Deadlocks with 'jstack'
This section provides a tutorial example on how to detect Java thread deadlocks with the thread stack trace dump tool, 'jstack'.
2016-02-01, 1205👍, 0💬

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