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What Is an Elliptic Curve?
This section describes what is elliptic curve - A set of 2 dimensional points of (x, y) that satisfy the y*y = x*x*x + a*x + b equation with given values of a and b.
2022-05-15, 107👍, 1💬

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/multiplicative notations; EC a...
2022-05-15, 2959👍, 5💬

Calculator.pl - CGI Application Example
This section provides a tutorial example of Perl CGI application: Calculator.pl - Returning the result of any arithmetic expression like a calculator.
2022-05-10, 1554👍, 3💬

EncodingConverter.java - Encoding Conversion Sample Program
This section provides a tutorial example on how to write a sample program, EncodingConverter.java, to convert text files from one character set encoding to another.
2022-05-10, 181👍, 1💬

"services.msc" - Program Services Console
This section provides a quick description of the Services Console and a tutorial example on how to list all program services.
2022-05-09, 80180👍, 24💬

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, 8717👍, 27💬

View Ethereum Account Address in MetaMask
This section provides a tutorial example on how to view the Ethereum address of the account created by MetaMask extension on Chrome.
2022-05-08, 141👍, 1💬

64-Bit "geth" for Private Ethereum Network
This chapter introduces 64-bit 'geth' to run Ethereum private network.
2022-05-07, 152👍, 2💬

ECES (Elliptic Curve Encryption Scheme)
This chapter provides tutorial notes on ECES (Elliptic Curve Encryption Schema). Topics includes ECES plaintext encryption and ciphertext decryption processes; using Crypto.Cipher.AES module to test ECES.
2022-05-06, 142👍, 1💬

Escaping 'script' Tags in String Literials
This section provides a tutorial example on how to use escape character in 'script' tags to prevent browser prematurely end embedded JavaScript code.
2022-05-06, 5103👍, 11💬

What Is Lorentz Factor?
This section introduces Lorentz Factor, which is the factor used in the time dilation and other formulas in special relativity.
2022-05-06, 3864👍, 5💬

Android Tutorials - Herong's Tutorial Examples
his book is a collection of notes and sample codes written by the author while he was learning Android system. Topics include Installing of Android SDK R24 on Windows, Creating and running Android emulators, Developing First Android Application - HelloAndroid, Creating Android Project with 'android'...
2022-05-06, 5088👍, 4💬

Bitcoin Tutorials - Herong's Tutorial Examples
This book is a collection of tutorial examples on Bitcoin and blockchain. Topics include Blockchain, Bitcoin, Cryptocurrency, Merkle Tree, Mining, SHA256, Wallet. Key sections include: What is Bitcoin, What is blockchain, Bitcoin market value, Browsing Bitcoin data blocks on blockchain.com, Browsing...
2022-05-06, 3148👍, 8💬

Get Free Ether from faucet.dimensions.network
This section provides a tutorial example on how to get some free Ether money from faucet.dimensions.network.
2022-05-06, 304👍, 2💬

ConvertTemp - Usage Description
This section describes the free Web service ConvertTemp provided by WebserviceX.NET. ConvertTemp allows you to convert temperature unit in Celsius, Fahrenheit, Rankine, Reaumur, and Kelvin
2022-05-06, 154👍, 2💬

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.
2022-05-06, 6143👍, 7💬

GB18030 Character Set and Encoding
This chapter provides notes and tutorial examples on GB18030 character set and encoding. Topics including history of GB character sets: GB2312, GB1300.1 (GBK) and GB18030; GB18030 encoding schema.
2022-05-06, 1885👍, 7💬

What Is WS-Security X.509 Certificate Token Profile?
This section describes the WS-Security X.509 Certificate Token Profile specification describing the profile (specific mechanisms and procedures) on how the 'BinarySecurityToken' element defined in WS-Security standard can be used to include X.509 certificate as a means of identifying the sender of a...
2022-05-06, 2228👍, 6💬

Enable/Disable Services with "msconfig.exe"
This section describes a tutorial example on how to enable or disable a predefined service with the system configuration tool 'msconfig.exe'.
2022-05-06, 9672👍, 9💬

The Constancy of the Speed of Light
This section provides a thought experiment to help understanding the second assumption of the special theory of relativity: The constancy of the speed of light.
2022-05-06, 1410👍, 71💬

UTF-16LE Encoding
This section provides a quick introduction of the UTF-16LE (Unicode Transformation Format - 16-bit Little Endian) encoding for Unicode character set. UTF-16LE is a variation of UTF-16.
2022-05-06, 18402👍, 18💬

What Is Key Encoding?
This section describes private and public key encoding standards: PKCS#8 is used for encoding private keys and X.509 is used for encoding public keys.
2022-05-06, 2429👍, 5💬

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.
2022-05-06, 1311👍, 3💬

Transfer Ether Fund to MetaMask Account
This section describes how to transfer some Ether fund to the MetaMask account from my Ether private network.
2022-05-06, 150👍, 2💬

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