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Generating Private Keys
This section provides a tutorial example on how to use the 'keytool -genkey' command to generate a pair of private key and public key. This command also generates a self-signed certificate from the key pair. 2022-10-15, ∼392🔥, 0💬

Certificates and Certificate Chains
This section describes what is a certificate and what is a certificate path. A certificate is a digitally signed statement from the issuer saying that the public key of the subject has some specific value. 2022-10-15, ∼355🔥, 0💬

"keytool" Generating Maria's CSR
This section provides a tutorial example on how to use 'keytool' to generate a CSR (Certificate Signing Request) containing a public key to ask a CA to sign it. 2022-10-15, ∼318🔥, 0💬

What Is MD5 Message Digest Algorithm?
This section describes what is MD5 - a message digest algorithm which takes as input a message of arbitrary length and produces as output a 128-bit 'fingerprint'. 2022-10-14, ∼362🔥, 0💬

OpenSSL Viewing Certificates Exported from Firefox
This section provides a tutorial example on how to use OpenSSL to view contents of a certificate file exported from Firefox. 2022-10-14, ∼345🔥, 0💬

Java Default Implementation of DSA
This chapter provides tutorial notes and example codes on the Java default implementation of DSA (Digital Signature Algorithm). Generating DSA key pair in Java; Examples of public key and private key pairs; Checking DSA key parameter; Generating DSA digital signature in Java using SHA1withDSA; Verif... 2022-10-13, ∼484🔥, 0💬

Introduction of RSA Algorithm
This chapter provides tutorial notes and example codes on RSA public key encryption algorithm. Topics include illustration of public key algorithm; proof of RSA encryption algorithm; security of public key; efficient way of calculating exponentiation and modulus; generating large prime numbers. 2022-10-13, ∼493🔥, 0💬

"OpenSSL" Acting as a CA (Certificate Authority)
This section provides a tutorial example on how to prepare OpenSSL to be used as CA (Certificate Authority) to sign other people's CSR (Certificate Signing Request). 2022-10-12, ∼303🔥, 0💬

Summary - Migrating "OpenSSL" Keys to "keystore"
This section describes high level steps on how to migrate a private key generated by 'OpenSSL' into a JKS (Java KeyStore) file. The key step is to merge the private key with its self-signed certificate into a PKCS#12 file. 2022-10-12, ∼337🔥, 0💬

Archived: Visiting an "https" Web Site with Firefox 18
This section describes how Firefox 18 shows a lock icon when you visit an 'https' Web site to provide you more security related information. 2022-10-11, ∼518🔥, 0💬

Using SHA1 Message Digest in Perl
This section provides a tutorial example on how to use SHA1 message digest algorithm in Perl. John Allen implemented the entire SHA1 algorithm in 8 lines of Perl 5 code. 2022-10-11, ∼341🔥, 0💬

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, ∼440🔥, 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, ∼372🔥, 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, ∼346🔥, 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, ∼366🔥, 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, ∼321🔥, 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, ∼323🔥, 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, ∼348🔥, 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, ∼292🔥, 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, ∼330🔥, 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, ∼371🔥, 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, ∼355🔥, 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, ∼397🔥, 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, ∼371🔥, 0💬

<< < 1 2 3 4 5 6 7 8 9 … > >>   ∑:346  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 REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO