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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, ∼241🔥, 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, ∼240🔥, 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, ∼240🔥, 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, ∼240🔥, 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, ∼240🔥, 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, ∼240🔥, 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, ∼239🔥, 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, ∼238🔥, 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, ∼238🔥, 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, ∼237🔥, 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, ∼236🔥, 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, ∼233🔥, 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, ∼231🔥, 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, ∼231🔥, 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, ∼231🔥, 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, ∼231🔥, 0💬

DES Operation Modes in JCE
This section describes what DES operation modes are implemented in the JDK JCE package, and how to use them.
2022-10-22, ∼230🔥, 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, ∼229🔥, 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, ∼228🔥, 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, ∼228🔥, 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, ∼227🔥, 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, ∼226🔥, 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, ∼226🔥, 0💬

JCE DES Stream Ciphers Testing Program Result
This section provides results of the tutorial example on how to use DES stream ciphers provided in the JDK JCE package.
2022-10-21, ∼225🔥, 0💬

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