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DiffieHellman Private Key and Public Key Pair Sample
This section provides a tutorial example on how to run JcaKeyPair.java to generate a DiffieHellman private key and public key pair sample. Keys are stored PKCS#8 and X.509 encoding formats.
2022-10-07, 128🔥, 0💬

X.509 Certificate Standard
This section describes the X.509 certificate standard - An international standard that defines what should be included in a digital certificate.
2022-10-07, 125🔥, 0💬

What Is "keystore"?
This section describes what is a 'keystore' file - A database file introduced in JDK (Java Development Kit) to store your own private keys and public key certificates you received from other people.
2022-10-07, 129🔥, 0💬

Installing Certificate Permanently in IE
This section provides a tutorial example on how to install the certificate provided by an 'https' Web site in IE. The certificate can be installed into a certificate store automatically selected by IE.
2022-10-07, 114🔥, 0💬

Viewing Certificate Details
This section provides a tutorial example on how to view certificate details when visiting an 'https' Web site in IE.
2022-10-07, 114🔥, 0💬

What Is PKCS#12?
This section describes what is PKCS#12 - One of the PKCS (Public Key Cryptography Standards) used to store a private key and its self-signed certificate together as a single file.
2022-10-07, 135🔥, 0💬

Viewing Certificate Details
This section provides a tutorial example on how to view certificate details when visiting an 'https' Web site in Chrome.
2022-10-07, 140🔥, 0💬

JcePublicCipher.java - Public Key Encryption Sample Program
This section provides a tutorial example on how to write a public key encryption and private key decryption program using the javax.crypto.Cipher class.
2022-10-06, 112🔥, 0💬

"keytool" - Command Line Tool
This section describes the 'keytool' command tool provided in JDK. 'keytool' can be used to generate and manage private keys and certificates stored in 'keystore' files.
2022-10-06, 139🔥, 0💬

Visiting an "https" Web Site with Firefox
This section describes how Firefox shows a lock icon when you visit an 'https' Web site to provide you more security related information.
2022-10-06, 138🔥, 0💬

Efficient RSA Encryption and Decryption Operations
This section describes an efficient way of carrying out RSA encryption and decryption operations provided by authors of RSA algorithm.
2022-10-06, 134🔥, 0💬

javax.crypto.SecretKey - The Secret Key Interface
This section provides a quick introduction of secret key and symmetric encryption algorithm. The secret key interface, javax.crypto.SecretKey, is also described.
2022-10-06, 121🔥, 0💬

What Is a Certificate?
This section describes what is a certificate - A digitally signed statement from the issuer saying that the public key of the subject has some specific values.
2022-10-06, 111🔥, 0💬

""keytool" Importing Maria's Certificate Signed by CA
This section provides a tutorial example on how to import a certificate signed by a CA using 'OpenSSL' into a 'keystore' file using 'keytool'
2022-10-06, 124🔥, 0💬

Example of DSA Key Parameters and Properties
This section provides 2 DsaKeyChecker.java output examples to show DSA key parameters and properties.
2022-10-06, 158🔥, 0💬

Reading RSA Private and Public Key Files
This section provides a tutorial example on running the test program JcaKeyFactoryTest.java to generate, write, read and convert RSA private and public keys.
2022-10-06, 143🔥, 0💬

JcaKeyFactoryTest.java - Key Factory Test Program
This section provides a tutorial example on how to write a sample program to read encoded key files into key spec objects and convert them back into key objects.
2022-10-06, 122🔥, 0💬

What Is Key Encoding?
This section describes private and public key encoding standards: PKCS#8 is used for encoding private keys and X.509 is used for encoding public keys.
2022-10-06, 122🔥, 0💬

Archived Tutorials
This chapter contains some outdated tutorial notes and example codes from previous versions of this book.
2022-10-06, 140🔥, 0💬

JceSecretKeyTest.java - Secret Key Test Program
This section provides a quick tutorial example on how to write a sample program to generate a secret key for Blowfish, DES, or HmacMD5 encryption, save the secret key to a file, and read it back.
2022-10-06, 118🔥, 0💬

PKCS#8 and X.509 Key Encoding Classes
This section describes 2 JDK classes: PKCS8EncodedKeySpec representing the PKCS#8 encoding standard and the X.509 encoding standard.
2022-10-05, 152🔥, 0💬

OpenSSL Generating and Signing CSR
This chapter provides tutorial notes and example codes on CSR (Certificate Signing Request) handling with OpenSSL. Topics include introduction of certificate signing process; generating CSR; signing CSR.
2022-10-05, 134🔥, 0💬

Introducting DES Stream Cipher Modes
This section describes what are DES encryption stream cipher modes and how CFB and OFB block operation modes can be modified as stream modes.
2022-10-05, 147🔥, 0💬

Finding Large Prime Numbers
This section describes different ways to generate large prime numbers to be used to generate public key and private key. Today most RSA tools are using probable prime numbers.
2022-10-05, 119🔥, 0💬

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