Tutorial Books:
MD5 Mesasge Digest Algorithm
This chapter provides tutorial notes and example codes on the MD5 message digest algorithm. Topics include MD5 algorithm overview; using MD5 in Java, PHP, and Perl. 2017-09-10, 1164🔥, 2💬
mcrypt DES Encryption Testing Program
This section provides a tutorial example on how to use the DES algorithm in a specific operation mode as block or stream cipher. 2017-08-03, 1801🔥, 3💬
💬 2017-08-03 Herong: Deepan, Which part is difficult for you to understand?
💬 2016-10-17 Deepak: Working on Algorithm
💬 2015-10-04 Herong: Salai, you are most welcome.
💬 2015-10-02 Salai Joy Siang Pi: Thank you so much. It's very helpful for my mini-thesis.
💬 2017-03-13 dingdong: heheheheehhe
💬 2016-10-15 Herong: Akash, can you check to ensure your key is a DSA key?
CipherDES.java - A Java Implementation of DES
This section provides a tutorial Java program, CipherDES.java - A Java Implementation of DES encryption and decryption algorithm. 2017-02-16, 14925🔥, 9💬
RsaKeyGenerator.java for RSA Key Generation
This section describes the initial draft of a RSA public key and private key generation implementation using the java.math.BigInteger class. 2017-01-05, 4271🔥, 2💬
SHA1 Mesasge Digest Algorithm
This chapter provides tutorial notes and example codes on the SHA1 message digest algorithm. Topics include SHA1 algorithm overview; using SHA1 in Java, PHP, and Perl. 2016-11-05, 2300🔥, 5💬
💬 2015-10-13 Yojana Yadav: Plz send me the detail of key generation of Blowfish Algorithm
"keytool" Importing CA's Own Certificate
This section provides a tutorial example on how to import CA's certificate generated by 'OpenSSL' into a 'keystore' file using 'keytool' 2016-10-20, 871🔥, 2💬
Blowfish Cipher Algorithm
This section describes the Blowfish cipher algorithm - A 16-round Feistel cipher with block size of 64 bits developed by Bruce Schneier in 1993. 2016-08-03, 1047🔥, 2💬
Cryptography Basic Concepts
This chapter describes some basic concepts of cryptography: what is cryptography, what is function and what is encryption. 2016-04-07, 3303🔥, 4💬
Viewing Components of RSA Keys
This section provides a tutorial example on how to view different components of a pair of RSA private key and public key using the OpenSSL command line tool. 2016-03-14, 4469🔥, 2💬
💬 2015-10-02 Herong: Looks like someone is testing Base64 encoding here :-)
Key Pair Sample Program - JcaKeyPair.java
This section provides a tutorial example on how to write simple program to generate a pair of private key and public key for the RSA or DSA algorithm. 2016-03-01, 2067🔥, 1💬
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, 3872🔥, 3💬
💬 2016-02-29 Herong: sah, is that an encoded comment?
DESCipherTest.java - DES Cipher Algorithm Illustration
This section provides a tutorial Java program, DESCipherTest.java, to illustrate how DES cipher algorithm works. 2016-01-24, 1319🔥, 1💬
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