Java Keystore Generate Private Key

• Java Keystore Create Private Key
• Java Keystore Generate Private Keyboard
• Keytool Generate Private Key
• Java Keytool Generate Public And Private Key
• Java Keystore Generate Private Key From Bitcoin Address

To create a private key and its corresponding public-key certificate using Java tools, you would do something like: $ keytool -genkeypair -keyalg rsa -keysize 2048 -alias jdavies -keystore jdavieskeys.jks -dname 'CN=Joshua Davies' $ keytool -certreq -alias jdavies -keystore jdavieskeys.jks jdaviescert.csr (get the CSR signed by a CA) $ keytool -import -alias jdavies -file jdaviescert.pem -keystore.

Certificate Signing Request (CSR) Help
Using Java Keytool
For Oracle Weblogic
There is a video for this solution.
Complete the following steps to create your CSR.
1. Before you can create your CSR, you need to create your Java keystore. Your Java keystore contains your private key.
Run the following command to create your 2048 bit Java keystore:
keytool -genkey -alias myalias -keyalg RSA –keysize 2048 -keystore c:yoursite.keystore
2. Note the alias you use here to create the keystore. You will need to use the same alias later when you install your certificate.
Please note: the below example applies to Entrust Certificate Services customers with the intended purpose of using an SSL/TLS certificate purchased from Entrust Datacard.
3. You will be prompted to enter your DN information for your CSR. When it asks for your first and last name, make sure you enter the FQDN of your site. Here is an example:
What is your first and last name?
[Unknown]: http://www.entrust.com/
What is the name of your organizational unit?
[Unknown]: IT
What is the name of your organization?
[Unknown]: Entrust Inc
What is the name of your City or Locality?
[Unknown]: Ottawa
What is the name of your State or Province?
[Unknown]: Ontario
What is the two-letter country code for this unit?
[Unknown]: CA
Is CN=www.entrust.com, OU=IT, O=Entrust Inc, L=Ottawa, ST=Ontario, C=CA correct?

[no]: yes
4. To create your CSR, run the following command:
keytool -certreq -keyalg RSA -alias myalias -file certreq.txt -keystore c:yoursite.mykeystore
5. To find your CSR, enter the command:
type certreq.txt
Your SSL/TLS Certificate should now be installed. If you have any questions or concerns please contact the Entrust Certificate Services Support department for further assistance.
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Generating a KeyStore and TrustStore

The following sections explain how to create both a KeyStoreand a TrustStore (or import a certificate into an existing TrustStoresuch as the default Logical Host TrustStore in the location:

where

<c:JavaCAPS>

isthe directory where Java CAPS is installed and

<MyDomain>

isthe name of your domain. The primary tool used is keytool, but openssl isalso used as a reference for generating pkcs12 KeyStores.

For more information on openssl andavailable downloads, visit the following web site:

http://www.openssl.org

.

Creating a KeyStore in JKS Format

Java Keystore Create Private Key

This section explains how to create a KeyStore using theJKS format as the database format for both the private key, and theassociated certificate or certificate chain. By default, as specifiedin the java.security file, keytool usesJKS as the format of the key and certificate databases (KeyStore andTrustStores). A CA must sign the certificate signing request (CSR).The CA is therefore trusted by the server-side application to whichthe Adapter is connected.

Note –

Itis recommended to use the default KeyStore

where

<c:JavaCAPS>

isthe directory where Java CAPS is installed and

<MyDomain>

isthe name of your domain.

To Generate a KeyStore

1. Perform the following command.

2. Once prompted, enter the information required to generatea CSR. A sample key generation section follows.

   If the KeyStore password is specified, then the password mustbe provided for the adapter.

3. Press RETURN when prompted for the key password (thisaction makes the key password the same as the KeyStore password).

   This operation creates a KeyStore file clientkeystore in the current working directory. You must specify a fullyqualified domain for the “first and last name” question.The reason for this use is that some CAs such as VeriSign expect thisproperties to be a fully qualified domain name.

   Thereare CAs that do not require the fully qualified domain, but it isrecommended to use the fully qualified domain name for the sake ofportability. All the other information given must be valid. If theinformation cannot be validated, a CA such as VeriSign does not signa generated CSR for this entry.

   This KeyStore containsan entry with an alias of client.This entry consists of the generated private key and information neededfor generating a CSR as follows:

   This command generates a certificate signing request which canbe provided to a CA for a certificate request. The file client.csr contains the CSR in PEM format.

   Some CA (one trusted by the web server to which the adapteris connecting) must sign the CSR. The CA generates a certificate forthe corresponding CSR and signs the certificate with its private key.For more information, visit the following web sites:

   or

   If the certificate is chained with the CA’scertificate, perform step 4; otherwise, perform step 5 in the followinglist:

4. Perform the following command.

   The command imports the certificate and assumes the client certificateis in the file client.cer and theCA’s certificate is in the file CARoot.cer.

5. Perform the following command to import the CA’scertificate into the KeyStore for chaining with the client’scertificate.

6. Perform the following command to import the client’scertificate signed by the CA whose certificate was imported in thepreceding step.

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   The generated file clientkeystore containsthe client’s private key and the associated certificate chainused for client authentication and signing. The KeyStore and/or clientkeystore, can then be used as the adapter’sKeyStore.

Creating a KeyStore in PKCS12 Format

This section explains how to create a PKCS12 KeyStoreto work with JSSE. In a real working environment, a customer couldalready have an existing private key and certificate (signed by aknown CA). In this case, JKS format cannot be used, because it doesnot allow the user to import/export the private key through keytool. It is necessary to generate a PKCS12database consisting of the private key and its certificate.

The generated PKCS12 database can then be used as the Adapter’sKeyStore. The keytool utility iscurrently lacking the ability to write to a PKCS12 database. However,it can read from a PKCS12 database.

Note –

There are additional third-party tools available for generatingPKCS12 certificates, if you want to use a different tool.

For the following example, openssl isused to generate the PKCS12 KeyStore:

Java Keystore Generate Private Keyboard

The existing key is in the file mykey.pem.txt in PEM format. The certificate is in mycertificate.pem.txt, which is also in PEM format. A textfile must be created which contains the key followed by the certificateas follows:

Keytool Generate Private Key

This command prompts the user for a password. The password isrequired. The KeyStore fails to work with JSSE without a password.This password must also be supplied as the password for the Adapter’sKeyStore password.

Java Keytool Generate Public And Private Key

This command also uses the openssl pkcs12 commandto generate a PKCS12 KeyStore with the private key and certificate.The generated KeyStore is mykeystore.pkcs12 withan entry specified by the myAlias alias.This entry contains the private key and the certificate provided bythe -in argument. The noiter and nomaciter optionsmust be specified to allow the generated KeyStore to be recognizedproperly by JSSE.

Creating a TrustStore

For demonstration purposes, suppose you have the followingCAs that you trust: firstCA.cert, secondCA.cert,thirdCA.cert, located in the directory C:cascerts. You can create a new TrustStore consistingof these three trusted certificates.

You have a significant advantage by installing our activators, because ones would be updated silently in an automatic way.

To Create a New TrustStore

Java Keystore Generate Private Key From Bitcoin Address

1. Perform the following command.

2. Enter this command two more times, but for the secondand third entries, substitute secondCA and thirdCA for firstCA.Each of these command entries has the following purposes:

   • The first entry creates a KeyStore file named myTrustStore in the current working directoryand imports the firstCA certificateinto the TrustStore with an alias of firstCA.The format of myTrustStore is JKS.

   • For the second entry, substitute secondCA to import the secondCA certificateinto the TrustStore, myTrustStore.

   • For the third entry, substitute thirdCA to import the thirdCA certificateinto the TrustStore.

   Once completed, myTrustStore is available to be used as theTrustStore for the adapter.