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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, ∼317🔥, 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, ∼317🔥, 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, ∼316🔥, 0💬

"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, ∼316🔥, 0💬

Using Certificates in IE
This chapter provides tutorial notes and example codes on using certificates in IE (Internet Explorer). Topics include why Web browsers need certificates; viewing the certificate from an https Web server; installing the certificate from a server; exporting a certificate from IE to a certificate file...
2022-10-21, ∼314🔥, 0💬

RSA Public Key Encryption Tests
This section provides the test result of RSA public key encryption and private key decryption using the javax.crypto.Cipher class.
2022-10-19, ∼314🔥, 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, ∼314🔥, 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, ∼314🔥, 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, ∼313🔥, 0💬

No "keytool" Command to Export Keys
This section describes all sub-commands supported by the 'keytool' provided in JDK. There is not 'keytool' sub-command to export keys stored in 'keystore' files.
2022-10-04, ∼312🔥, 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, ∼310🔥, 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, ∼310🔥, 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, ∼309🔥, 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, ∼308🔥, 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, ∼307🔥, 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, ∼307🔥, 0💬

Exporting Certificates Out of IE
This section provides a tutorial example on how to use IE to export certificates installed in certificate stores into certificate files in DER and PEM formats.
2022-10-20, ∼305🔥, 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, ∼304🔥, 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, ∼304🔥, 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, ∼303🔥, 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, ∼302🔥, 0💬

JCE DES Operation Mode Testing Program
This section provides a tutorial example program to test DES operation modes implemented in the JDK JCE package.
2022-10-22, ∼300🔥, 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, ∼300🔥, 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, ∼298🔥, 0💬

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