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, 673👍, 3💬
How come the Chinese calendar seems off by one day?
http://herongyang.com/2016/ - the printable calendar seems off by one day for the 2nd lunar month in 2016. Should start on March 9th, but yours starts on March 8th? Which version is giving the wrong date? I have checked all printable versions and they all show that the 2nd lunar month starts on Marc... 2016-03-10, 3244👍, 0💬
This section provides a quick introduction of the UTF-16BE (Unicode Transformation Format - 16-bit Big Endian) encoding for Unicode character set. UTF-16BE is a variation of UTF-16. 2019-08-09, 3225👍, 4💬
Illustration of DSA Algorithm: p,q=7,3
This section provides a tutorial example to illustrate how DSA digital signature algorithm works with small prime modulus p=7 and prime divisor q=3. 2018-04-24, 3203👍, 5💬
Building Chinese Web Sites using PHP
It can be used as a tutorial guide for beginners. Topics include installing PHP and Tomcat; creating PHP pages; displaying pages in Chinese; saving Chinese characters to MySQL database; fetching Chinese characters from MySQL database. 2019-01-21, 3190👍, 6💬
Examples of Unicode Characters
This chapter provides notes and tutorial examples on the Unicode character set. Topics including introduction of Unicode standard, example characters, history of releases, blocks of code points. 2019-06-24, 3118👍, 6💬
Subkeys of 3DES Encryption
Hi Doc, I have subkeys recovered through DPA. Can 3DES.c be modified to accept these subkeys as inputs for a cryptographic operation? Alternatively, can the main 3DES key be reverse generated from the subkeys? Thanks. firstname.lastname@example.org 2015-07-23, 3093👍, 1💬
showInternal*Dialog() - Displaying Internal Dialog Boxes
This section provides a tutorial example on how to use the static methods, showInternal*Dialog(), to create and display internal dialog boxes inside an parent container. 2016-07-19, 3085👍, 3💬
XSL-FO Tutorials - Herong's Tutorial Examples
This free book is a collection of tutorial notes and sample codes written by the author while he was learning XSL-FO (Extensible Stylesheet Language - Formatting Objects) himself. Topics include XSL, FO, XML, PDF, Formatting, Pagination, Layout, Styling, Header, Footer, Graphics, PDF, Graphics, Font... 2016-06-19, 3075👍, 1💬
GetCitiesByCountry - Usage Description
This section describes the free Web service GetCitiesByCountry provided by WebserviceX.NET. GetCitiesByCountry allows you to retrieve all cities for any given country or territory. 2019-01-26, 3007👍, 3💬
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, 2929👍, 3💬
android.webkit.WebView - Web Browser Base Class
This section provides a tutorial example on how to create an Android project to build your own Web browser using the android.webkit.WebView class. The first version failed with 'Webpage not available' error. 2015-08-05, 2927👍, 2💬
How JSP Pages Are Processed?
This section describes how JSP pages are processed by the Web server. Two key steps are involved: 1) compilation of the JSP page into a Java Servlet class; 2) execution of the compiled class. 2019-05-30, 2922👍, 3💬
Chinese Wedding Dates
Hi, I'm getting married next year and I stumbled across your auspicious wedding dates for 2017. Your dates are consistent with http://www.chinesefortunecalen dar.com/GoodEvents.htm, but they are different from those listed on http://www.yourchineseastrolog y.com/calendar/. From what I understand, th... 2016-07-05, 2904👍, 1💬
What is ECB (Electronic CodeBook) Operation Mode?
This section describes what is ECB (Electronic CodeBook) Operation Mode - each plaintext block is encrypted independently without any input from other blocks. 2016-01-10, 2868👍, 2💬
"adb logcat" Command Options and Log Buffers
This section describes the 'adb logcat' command options to dump and manage log buffers: main, events, and radio. An example is given to dump logs into a set of rotated log files. 2017-07-11, 2864👍, 2💬
This section describes a tutorial example of a complete SOAP application with both server and client...
This chapter provides tutorial notes and example codes on WSDL2Java. Topics include using the WSDL2J...
This section provides a tutorial example on how to download the WSDL document from the Web service p...
This section describes what is PKCS5Padding - a schema to pad cleartext to be multiples of 8-byte bl...
This section describes how to download and install Java DB (Derby database server) 10.11 - free for ...