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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, ∼352🔥, 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, ∼316🔥, 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, ∼297🔥, 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, ∼278🔥, 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, ∼278🔥, 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, ∼334🔥, 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, ∼268🔥, 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, ∼273🔥, 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, ∼277🔥, 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, ∼295🔥, 0💬

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, ∼257🔥, 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, ∼323🔥, 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, ∼628🔥, 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, ∼256🔥, 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, ∼289🔥, 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, ∼361🔥, 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, ∼358🔥, 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, ∼271🔥, 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, ∼326🔥, 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, ∼309🔥, 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, ∼316🔥, 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, ∼279🔥, 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, ∼249🔥, 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, ∼267🔥, 0💬

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