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DES in Stream Cipher Modes
This chapter provides tutorial examples and notes about DES stream cipher modes. 1-bit, 1-byte and 8-byte stream ciphers, Topics include modifying DES CFB and OFB block ciphers to stream ciphers; using DES stream ciphers provided in the JDK JCE package. 2022-10-11, 131🔥, 0💬

What Is Function?
This section describes what is function - Two sets of elements, X and Y, and a rule, f, which assigns to each element in X, to one element in Y. 2022-10-11, 131🔥, 0💬

DES Java Implementation in JDK by Sun
This section describes how DES algorithm is implemented in JDK. DES algorithm is implemented as part of the JCE package which is integrated in the JDK since version 1.4. 2022-10-10, 115🔥, 0💬

Visiting a "https" Web Site with IE
This section describes how IE (Internet Explorer) 9 shows a lock icon when you visit an 'https' Web site to provide you more security related information. 2022-10-10, 118🔥, 0💬

javax.crypto.Cipher - The Secret Key Encryption Class
This section provides a quick introduction of the cipher class, javax.crypto.Cipher, to encrypt input data with a secret key. 2022-10-10, 111🔥, 0💬

Generating Self-Signed Certificates
This section provides a tutorial example on how to generate a self-signed certificate for yourself with the OpenSSL command line tool. 2022-10-10, 114🔥, 0💬

JceSunDesPaddingTest.java - JCE DES Padding Test
This section provides a tutorial example to test the PKCS5Padding schema used by the DES implementation in the JDK JCE package. 2022-10-10, 118🔥, 0💬

DsaSignatureGenerator.java Test Results
This section provides test results from DsaSignatureGenerator.java on a binary file with different DSA private keys. DSA digital signature size is 46 bytes when generated with the Java SHA1withDSA algorithm. 2022-10-09, 110🔥, 0💬

Managing Certificates in Certificate Stores with IE
This section provides a tutorial example on how to use IE to manage certificates installed in certificate stores. 2022-10-09, 127🔥, 0💬

What Is Public Key Encryption?
This section describes public key encryption, also called asymmetric encryption, which uses a pair of keys, a private key and a public key to encrypt and decrypt messages. 2022-10-09, 119🔥, 0💬

Testing DES Algorithm in JDK JCE
This section provides a tutorial example to test DES algorithm implemented in the JDK JCE package. 2022-10-09, 115🔥, 0💬

Illustration of DSA Algorithm with Different k and h
This section provides a tutorial example to illustrate how DSA digital signature algorithm works with same DSA key paramters but different k and h values. 2022-10-09, 118🔥, 0💬

Exporting and Import Certificates
This section provides a tutorial example on how to use the 'keytool -export' and 'keytool -import' commands to export and import the self-signed certificate from a key entry in a 'keystore' file. 2022-10-09, 116🔥, 0💬

OpenSSL Managing Certificates
This chapter provides tutorial notes and example codes on managing certificates with OpenSSL. Topics include introduction of certificate, generating self-signed certificate; viewing internal components of certificates. 2022-10-09, 133🔥, 0💬

What is CBC (Cipher Block Chaining) Operation Mode?
This section describes what is CBC (Cipher Block Chaining) Operation Mode - each plaintext block is XORed with the ciphertext of the previous block before encryption. 2022-10-08, 146🔥, 0💬

Block Padding in mcrypt
This section describes the padding schema used in PHP mcrypt library for MCRYPT_MODE_ECB and MCRYPT_MODE_CBC modes. mcrypt simply pads 0x00 to the end of the plaintext. 2022-10-08, 133🔥, 0💬

Managing Certificates in Certificate Stores
This section provides a tutorial example on how to use Chrome to manage certificates installed in certificate stores. 2022-10-08, 125🔥, 0💬

"OpenSSL" Self-Signing CA's Public Key
This section provides a tutorial example on how to use OpenSSL to generate a self-signed certificate for your public key as CA certificate. 2022-10-08, 125🔥, 0💬

DES Cipher Algorithm Illustration Program Output
This section provides the execution output of the tutorial Java program, DESCipherTest.java, to illustrate how DES cipher algorithm works. 2022-10-08, 119🔥, 0💬

Cloning Certificates with New Identities
This section provides a tutorial example on how to use the 'keytool -keyclone' and 'keytool -selfcert' commands to clone an existing key entry and self-sign it with a new identity. 2022-10-08, 129🔥, 0💬

Reading DSA Private and Public Key Files
This section provides a tutorial example on running the test program JcaKeyFactoryTest.java to generate, write, read and convert DSA private and public keys. 2022-10-08, 128🔥, 0💬

JCE DES Stream Ciphers Testing Program
This section provides a tutorial example on how to use DES stream ciphers provided in the JDK JCE package. 2022-10-07, 113🔥, 0💬

Using SHA1 Message Digest in PHP
This section provides a tutorial example on how to use SHA1 message digest algorithm in PHP. The PHP engine has a built-in function sha1(). 2022-10-07, 126🔥, 0💬

DsaSignatureVerifier.java - Verifying DSA Digital Signature
This section provides tutorial example on how to verifying a digital signature for a message file with the DSA public key using the SHA1withDSA algorithm. 2022-10-07, 131🔥, 0💬

<< < 1 2 3 4 5 6 7 8 9 … > >>   ∑:342  Sort:Rank

Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python Reference REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO