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"openssl x509" Viewing Certificate Details
This section provides a tutorial example on how to view details of the certificate exported by 'keytool -exportcert' command using the 'openssl x509' command.
2022-10-05, 122🔥, 0💬

Cipher - Public Key Encryption and Decryption
This chapter provides tutorial notes and example codes on the cipher process. Topics include the cipher class, javax.crypto.Cipher; the cipher sample program and test results with DSA and RSA encryption algorithms.
2022-10-05, 114🔥, 0💬

Secret Key Generation and Management
This chapter provides tutorial notes and example codes on secret keys. Topics include secret keys for Blowfish, DES, or HmacMD5 encryption algorithms; key generator class; test program to generate secret keys and save them in files.
2022-10-05, 128🔥, 0💬

"DumpKey.java" Dumping Private Keys Out of "keystore"
This section provides a tutorial example on how to dump private key and public key pair output of a 'PrivateKeyEntry' in a 'keystore' file using a Java program, DumpKey.java.
2022-10-05, 133🔥, 0💬

Migrating Keys from "OpenSSL" Key Files to "keystore"
This chapter provides tutorial notes and example codes on migrating keys from 'OpenSSL' key files to 'keystore' files. Topics include generating a 'OpenSSL' key file; generating a self-signed certificate; merging a key file with its self-signed certificate into a PKCS#12 file; importing PKCS#12 file...
2022-10-05, 122🔥, 0💬

DES Encryption Operation Mode Introduction
This section describes what are DES encryption operation modes and notations used to describe how each operation mode works.
2022-10-05, 121🔥, 0💬

DsaKeyChecker.java - Reading and Checking DSA Keys
This section provides a tutorial example on how to read DSA public key and private key back from the key files, assuming they are using PKCS#8 and X.509 encoding formats.
2022-10-05, 139🔥, 0💬

DSA Private Key and Public Key Pair Sample
This section provides a tutorial example on how to run JcaKeyPair.java to generate a DSA private key and public key pair sample. Keys are stored PKCS#8 and X.509 encoding formats.
2022-10-05, 131🔥, 0💬

Importing Certificate Path into IE
This section provides a tutorial example on how to use IE to import a certificate path into certificate stores.
2022-10-05, 112🔥, 0💬

KeyPair and KeyPairGenerator Classes
This section describes the KeyPair and KeyPairGenerator Classes. The KeyPairGenerator.generateKeyPa ir()can be used to generate a private and public key pair.
2022-10-05, 112🔥, 0💬

Proof of RSA Public Key Encryption
This section describes steps to prove RSA Public Key Encryption algorithm. Fermat's little theorem is the key part of the proof.
2022-10-05, 123🔥, 0💬

What Is a Certification Path?
This section describes what is a certificate path or certificate chain - An ordered list of certificates where the subject entity of one certificate is identical to the issuing entity of the next certificate.
2022-10-05, 152🔥, 0💬

OpenSSL Viewing Certificates Exported from IE
This section provides a tutorial example on how to use OpenSSL to view contents of a certificate file exported from IE.
2022-10-05, 111🔥, 0💬

What Is OpenSSL?
This section describes what is OpenSSL - a cryptography toolkit for SSL (Secure Sockets Layer and TLS (Transport Layer Security). It offers command line tool for generating private keys and managing public keys.
2022-10-05, 115🔥, 0💬

Managing Certificates in Certificate Stores
This section provides a tutorial example on how to access and manage certificates pre-installed Firefox.
2022-10-05, 116🔥, 0💬

Certification Path Validation Rules
This section describes verification rules of a certificate path - The issuer's digital signature must match the subject's public key of the previous certificate in the path.
2022-10-05, 119🔥, 0💬

About This Book
This section provides some detailed information about this book - __title__.
2022-10-05, 120🔥, 0💬

Private key and Public Key Pair Generation
This chapter provides tutorial notes and example codes on private key and public key pair generation. Topics include public key encryption algorithms, RSA, DSA and DiffieHellman; private key and public key pair generation class and sample program; RSA, DSA, and DiffieHellman key pair samples.
2022-10-05, 118🔥, 0💬

Migrating Keys from "keystore" to "OpenSSL" Key Files
This chapter provides tutorial notes and example codes on migrating keys from 'keystore' files to 'OpenSSL' key files. Topics include generating keys in 'keystore' files; dumping keys from 'keystore' files; converting binary key files to PEM format; reading keys with OpenSSL.
2022-10-05, 130🔥, 0💬

"OpenSSL" Signing Maria's CSR
This section provides a tutorial example on how to use 'OpenSSL' to sign a CSR (Certificate Signing Request) generated by 'keytool' with CA's private key.
2022-10-04, 118🔥, 0💬

DES Algorithm - Java Implementation in JDK JCE
This chapter provides tutorial examples and notes about DES algorithm implementation in the JDK JCE package. Topics include JCE classes related to DES; testing tutorial programs for DES encryption and decryption; PKCS5Padding schema to pad cleartext as 8-byte blocks.
2022-10-04, 118🔥, 0💬

CFB and OFB Stream Ciphers Implemented in JCE
This section describes how DES CFB and OFB (Output FeedBack) stream ciphers are implemented in the JDK JCE package.
2022-10-04, 115🔥, 0💬

Using MD5 Message Digest in PHP
This section provides a tutorial example on how to use MD5 message digest algorithm in PHP. The PHP engine has a built-in function md5().
2022-10-04, 122🔥, 0💬

OpenSSL Generating and Managing RSA Keys
This chapter provides tutorial notes and example codes on managing RSA keys with OpenSSL. Topics include generating new RSA keys; viewing existing RSA keys; encrypting RSA keys with DES algorithm to protect them with passwords.
2022-10-04, 119🔥, 0💬

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