Tutorial Books:
Generate secp256k1 Keys with OpenSSL
This section provides a tutorial example on how to generate EC (Elliptic Curve) private and public key pairs using secp256k1 domain parameters. 2023-08-10, 2970🔥, 3💬
HTTPS Request and Response Example
This section describes an example of HTTPS request and response captured by a Perl script using the Crypt::SSLeay module. 2023-08-09, 4989🔥, 4💬
jar - JAR File Tool Command and Options
This section describes the 'jar' command to manage JAR files. 'jar' command syntax and options are provided. 2023-08-08, 1049🔥, 2💬
Compiling Hello.java - My First Java Program
This section provides a tutorial example on how to compile a Java program using the 'javac' tool without any options. 2023-07-26, 378🔥, 1💬
"bitcoin-cli walletpassphrase" - Unlock Wallet
This section describes how to unlock with 'bitcoin-cli walletpassphrase' command. 2023-07-25, 732🔥, 1💬
Downloading and Installing GNU Unifont
A tutorial example is provided on how to download and install GNU Unifont font family on Windows 7 systems. 2023-07-19, 3832🔥, 5💬
💬 2023-07-19 DoublePOOF: thank you
💬 2019-10-23 Sajjad Amin: thank you
💬 2019-07-28 dipen: thank you.
💬 2015-12-06 Herong: D, maybe you can start with What Is Unicode? .
Calculate Double-SHA256 Hash with Java
This section describes how to calculate Double-SHA256 hash with Java. 2023-07-12, 1111🔥, 2💬
💬 2023-07-12 Zvi: I finally found what I was looking for. Thank you very much and God bless you.
Comments on Herong's Tutorial Books
Please share your general comments on my tutorial books here. Comments should not contain hyperlinks to any external Web sites. 2023-07-08, 98661🔥, 242💬
💬 2023-06-23 rafa: Hello my love
💬 2018-12-13 syed zia ur rehman: i realy like your link
💬 2017-10-09 aa: thanks, but where i can find DES decryption
Popular Posts:
This section provides a tutorial example on how to use SHA1 message digest algorithm in Java. The JD...
This section describes what is Java micro benchmark and general guidelines on writing micro benchmar...
This section describes what is CFB (Cipher FeedBack) Operation Mode - each plaintext block is XORed ...
This chapter provides tutorial notes on sqljdbc42.jar, JDBC Driver 4.2 produced by Microsoft for SQL...
This section describes the issue with 'Head State Missing' error on restarting 'geth' on a private n...