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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, ∼338🔥, 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, ∼337🔥, 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, ∼337🔥, 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, ∼337🔥, 0💬

javax.crypto.Cipher - The Public Key Encryption Class
This section provides a quick introduction of the cipher class, javax.crypto.Cipher, to encrypt input data with a public key.
2022-10-04, ∼337🔥, 0💬

java.security.Signature - The Data Signing Class
This section describes the data signing and verification Java class, java.security.Signature, and its major methods like update(), sign() and verify().
2022-10-21, ∼336🔥, 0💬

Using MD5 Message Digest in Perl
This section provides a tutorial example on how to use MD5 message digest algorithm in Perl. John Allen implemented the entire MD5 algorithm in 8 lines of Perl 5 code.
2022-10-04, ∼335🔥, 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, ∼334🔥, 0💬

Viewing Components of Certificates
This section provides a tutorial example on how to view different components in certificate with the OpenSSL command line tool.
2022-10-20, ∼333🔥, 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, ∼332🔥, 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, ∼330🔥, 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, ∼330🔥, 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, ∼328🔥, 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, ∼328🔥, 0💬

Importing Certificate Path into Firefox
This section provides a tutorial example of trying to import a certificate path into Firefox. But it failed..
2022-11-16, ∼326🔥, 0💬

DsaSignatureVerifier.java Test Results
This section provides test results from DsaSignatureVerifier.java on DSA digital signatures generated on a binary file. The verification will pass if the original document and the digital signature have not been modified.
2022-10-17, ∼326🔥, 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, ∼325🔥, 0💬

Generating Self-Signed Certificates
This section provides a tutorial example on how to generate a self-signed certificate for yourself with the OpenSSL command line tool.
2022-10-10, ∼323🔥, 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, ∼323🔥, 0💬

javax.crypto.Cipher - The Secret Key Encryption Class
This section provides a quick introduction of the cipher class, javax.crypto.Cipher, to encrypt input data with a secret key.
2022-10-10, ∼321🔥, 0💬

JceSecretCipher.java - Secret Key Encryption Sample Program
This section provides a tutorial example on how to write a secret key encryption and description program using the javax.crypto.Cipher class.
2022-10-18, ∼318🔥, 0💬

"keytool" Generating Maria's CSR
This section provides a tutorial example on how to use 'keytool' to generate a CSR (Certificate Signing Request) containing a public key to ask a CA to sign it.
2022-10-15, ∼318🔥, 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, ∼318🔥, 0💬

Generating CSR (Certificate Signing Request)
This section provides a tutorial example on how to use the 'keytool -certreq' command to generate a CSR (Certificate Signing Request) for the public key stored in a key entry.
2022-11-03, ∼311🔥, 0💬

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