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"keytool -certreq" Command Examples - Certificate Signing Request
How to use the "keytool -certreq" command? I have have created a new pair of public key and private key and want to send the public key to the certificate authority to sign it. Here is an example of using "keytool -certreq" command to generate a Certificate Signing Request (CSR) for the public key s...
2012-07-20, 6428👍, 0💬

Why www.facebook.com Has 2 Certificates
Why www.facebook.com has 2 certificates for their HTTPS Web site? To understand why www.facebook.com has 2 certificates, let's use the "keytool -printcert" command print out owners and issuers of those certificates: C:\Users\fyicenter>"\Program Files\java\jre7\bin\keytool" -printcert -file facebook....
2012-07-20, 5470👍, 0💬

Split Certificate Chain File
How to split a certificate chain file into individual certificate files? I have 2 certificates in a certificate chain file in PEM format. If you have a certificate chain file in PEM format, you can split each certificate out of the chain file using any text editor as shown in this tutorial: Assume t...
2012-07-20, 4727👍, 0💬

Java "keytool -printcertreq" Command Options
What options are supported by the "keytool -printcertreq" command? Java Keytool can be used to print out owner and public key information from a certificate signing request file using the "keytool -printcertreq" command. The "keytool -printcertreq" command supports the following options: C:\Users\fy...
2012-07-20, 4675👍, 0💬

"keytool -printcert" Command Examples - Download Certificate
Can I use the "keytool -printcert" command to download the certificate from a Web site? I know the Web site uses HTTPS and it has a certificate. When a Web site uses the HTTPS address, it does have a certificate that contains its public key. Your browser is smart to download it automatically to encr...
2012-07-20, 4131👍, 0💬

How To Download JDK 1.7 for Windows
How to download JDK 1.7 for Windows? I want to use the Keytool included in the JDK to generate keys and manage certificates. If you Windows system does not have JDK pre-installed, you can download the latest release of JDK yourself easily. And it's free! 1. Go to JDK download Web site. 2. Click the ...
2012-07-19, 12548👍, 0💬

"keytool -genkeypair" Command Examples - Generate Key Pair
How to use the "keytool -genkeypair" command? I want to generate a pair of public key and private key for myself. Here is an example of using "keytool -genkeypair" command to generate a pair of public key and private key for yourself: C:\Users\fyicenter>"\Program Files\java\jre7\bin\keytool" -genkey...
2012-07-19, 12291👍, 0💬

"keytool -exportcert" Command Examples - Exporting Certificate
How to use the "keytool -exportcert" command? I want to export a certificate out of a keystore file and send it to someone else. Here is an example of using "keytool -exportcert" command to export the self-signed certificate in the "2ndkey" entry from the default keystore file: C:\Users\fyicenter>"\...
2012-07-19, 10322👍, 0💬

Java "keytool -genkeypair" Command Options
What options are supported by the "keytool -genkeypair" command? Java Keytool can be used to generate a pair of public key and private key with the "keytool -genkeypair" command, which supports the following options: C:\Users\fyicenter>"\Program Files\java\jre7\bin\keytool" -genkeypair -help keytool...
2012-07-19, 9758👍, 0💬

Help on Using the Java Keytool Command
How to get help on using the Java Keytool command? I have never used Keytool before. If you are new to the Java Keytool, you should first read the documentation: keytool - Key and Certificate Management Tool. Java Keytool is a command line tool. You need to run it from a command line window using th...
2012-07-19, 7415👍, 0💬

Java "keytool -printcert" Command Options
What options are supported by the "keytool -printcert" command? Java Keytool can be used to printout owner, issuer, serial number and other information from a certificate using the "keytool -printcert" command, which supports the following options: C:\Users\fyicenter>"\Program Files\java\jre7\bin\ke...
2012-07-19, 6309👍, 0💬

Java "keytool -exportcert" Command Options
What options are supported by the "keytool -exportcert" command? Java Keytool can be used to export a single certificate out of a key store file with the "keytool -exportcert" command which supports the following options: C:\Users\fyicenter>"\Program Files\java\jre7\bin\keytool" -exportcert -help ke...
2012-07-19, 5824👍, 0💬

"keytool -list" Command Examples - List Keystore Entries
How to use the "keytool -list" command? I want to see what in the keystore file. Here is an example of using "keytool -list" command to display a list of all entries in the default keystore file: C:\Users\fyicenter>"\Program Files\java\jre7\bin\keytool" -list -storepass FYIcenter Keystore type: JKS ...
2012-07-19, 4815👍, 0💬

How To Install JDK 1.7 on Windows
How to install JDK 1.7 on Windows? I have "jdk-7u5-windows-i586.exe" download on my desktop. If you have "jdk-7u5-windows-i586.exe" ready, installing it is straightforward. 1. Double-click on "jdk-7u5-windows-i586.exe" to start the installation setup tool. 2. Click the "Next" button to review the in...
2012-07-19, 4724👍, 0💬

Certificate File Formats Supported on Windows
What are certificate file formats supported on Windows? Are PKCS#12, PKCS#7, DER are PEM are valid certificate file formats on Windows? Certificate import and export operations support four file formats on Windows systems. Choose the format that meets your specific requirements. Personal Information...
2012-07-19, 3139👍, 0💬

What Are Public and Private Keys
What are public and private keys? Are they related to each other? In public key encryption, two different keys are used to encrypt and decrypt information. The private key is a key that is known only to its owner, while the public key can be made known and available to other entities on the network....
2012-07-19, 2800👍, 0💬

What Is Java Keytool
What is Java Keytool? I heard that Java Keytool is nice tool to generate keys and manage certificates. Java Keytool is a key and certificate management tool included in the Java package provided by Oracle. It can be used to manage a keystore (database) of cryptographic keys, X.509 certificate chains...
2012-07-14, 4723👍, 0💬

What Is the Digital Signature on a Certificate
What is the digital signature on a certificate? Who signs a certificate? What can be validated on a certificate? Digital certificates are electronic credentials that are used to certify the identities of individuals, computers, and other entities on a network. Digital certificates function similarly...
2012-07-13, 2947👍, 0💬

What Is the Usage of Certificates
What is the usage of certificates? Can certificates be used for authentication, privacy protection, encryption, and digital signature? Certificates can be used for: Authentication, which verifies the identity of someone or something. Privacy, which ensures that information is only available to the i...
2012-07-13, 3448👍, 0💬

What Is Certificate
What is an Internet security certificate? What is a public key certificate? What is an X.509 certificate? What is a digital certificate? What is a certificate? Are they all the same thing? A public key certificate, usually just called a certificate, is a digitally signed statement that binds the val...
2012-07-13, 3072👍, 0💬

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