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, 588👍, 3💬
Downloading and Editing WSDL Document
This section provides a tutorial example on how to download the WSDL document from the Web service provider. You can change port.address[@location] to a localhost URL to local testing. 2019-08-09, 24431👍, 12💬
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, 1274👍, 5💬
Running Perl Scripts on Windows Systems
This section provides a tutorial example on how to run Perl scripts with ActivePerl on Windows systems. To make a Perl script file executable, you need to set the script file name extension to '.pl'. 2019-06-17, 364👍, 2💬
Retrieving Query Parameters and Headers
This section provides a tutorial example on how to retrieve input parameters from query string and request content, and retrieve request headers. 2019-05-21, 263👍, 1💬
XMLin() and XMLout() Methods
This section describes two key methods in the XML::Simple module, XMLin() and XMLout(), to convert XML text string into a hash structure representing the XML structure and to convert the hash back to a string. 2019-03-12, 155👍, 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, 1808👍, 6💬
DBM Database Example - Book Records with Multiple Fields
This section provides a tutorial example of using DBM database files to build book records with multiple fields by joining them into a single string value. 2018-05-31, 178👍, 1💬
printenv.pl - Testing Perl CGI Environment
This section provides a tutorial on how to modify the Perl CGI test script, printenv.pl, and run it to verify Apache 2 Perl CGI configuration. 2018-01-21, 139👍, 3💬
cgi-lib.pl - The Standard Library for CGI Scripts
This section describes the de facto standard library, cgi-bin.pl, for Perl CGI scripts. It also provides a tutorial on how to download and install cgi-bin.pl 2.18 to the Apache server on a Windows system. 2018-01-20, 306👍, 2💬
Running Perl Scripts on Linux Systems
This section provides a tutorial example on how to run Perl scripts on Linux systems. To make a Perl script file executable, you need to add '#!/usr/bin/perl' to the beginning of the script. 2017-10-24, 14750👍, 15💬
Perl Tutorials - Herong's Tutorial Examples
This Perl tutorial book is a collection of notes and sample codes written by the author while he was learning Perl language himself. Topics include ActivePerl, data types, subroutines, debug, references, objects, open, binary, file, directory, DBM, MySQL, regular expression, RPC::XML, XML::Simple, S... 2017-10-06, 5540👍, 5💬
XML Messages over Socket Connections
This section describes the XML message communication model - where client and server send and receive XML messages over socket communication connections. 2017-07-20, 1500👍, 5💬
Open Files in Binary Mode
This chapter provides tutorial examples and notes about opening files in binary mode. Topics include using binmode() to open files in binary mode; Copy.pl - copying binary files; Bin2Hex.pl - converting binary data to hex numbers. 2017-06-26, 350👍, 1💬
Running PerlApp to Convert *.pl to *.exe
This section provides a tutorial example of running PerlApp from ActiveStat to convert a sample Perl script, DirGrep.pl, to Windows executable binary, DirGrep.exe. 2017-01-14, 886👍, 2💬
File Handles and Data Input/Output
This chapter provides tutorial examples and notes about file handles and data input or output. Topics include using open() function to open file handles; using print() to output data; using to input data. 2016-02-19, 275👍, 2💬
Converting Perl Script to Executable Binary
This chapter provides tutorial examples and notes about converting Perl script files to executable binary files. Topics include Perl script conversion tools: PerlApp and Perl2Exe; installing Perl Dev Kit with PerlApp, running PerlApp to convert DirGrep.pl to DirGrep.exe. 2016-02-18, 1346👍, 2💬
This section provides a tutorial example on how to write a HTTPS server test program, HttpsHello.jav...
This section describes what is PKCS5Padding - a schema to pad cleartext to be multiples of 8-byte bl...
This section provides a tutorial example on how to install OpenSSL on a Windows system.
This section provides a tutorial example on how to use the MimeHeaders class and the addHeader() met...
This section describes the SHA1 algorithm - a 6-step process of padding of '1000...', appending mess...