The CSR is then created using the following command: keytool -certreq -keyalg RSA -alias yourprivatekeyalias -file yourcsrfile.csr -keystore yourkeystorefilename.jks Your CSR request has been created and is ready for you to copy and paste its contents into the enrollment portal. Create a copy of the keystore file. Run the CSR prompt. To make the CSR from the keystore, run the command prompt below: keytool -certreq -alias server -file csr.csr -keystore keystore.jks Enter keystore password: Note: The keystore password is the same password you created in step 2. The above command will create the CSR and private key and saves as a.csr file and a.jks file.

• How To Generate Csr And Private Key Using Keytool
• Java Keytool Csr
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• Generate Csr With Private Key Using Keytool

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{{#eclipseproject:technology.higgins}}1. To generate a keystore, you need a JDK installed with its /bin directory in your path

2. Create a keystore using this command:

keytool will ask you to enter the values for Common Name (CN), Organizational Unit (OU), Oranization(O), Locality (L), State (S) and Country (C). CN should match the domain name of your webapp if you are planning to use this keystore for your servlet container

You can verify keystore contents using this command:

3. Generate the Certificate Signing Request (CSR) using this command:

Submit contents of csr-for-myserver.pem file to your CA for signing

You can get a trial certificate from Thawte at https://www.thawte.com/cgi/server/try.exe

4. Save the signed certificate from CA to a file signed-cert.pem

You can see the contents of the signed certificate using this command:

5. Download Root certificate from CA. You can download Thawte Test Root Certificate from http://www.thawte.com/roots/.

How To Generate Csr And Private Key Using Keytool

6. Import Root Certificate to keystore using this command:

where root-cert.pem is the Root Certificate from CA

7. Verify contents of keystore using this command:

8. Import CA signed certificate to keystore

9. Verify contents of keystore using this command:

The most important thing you want to see is that, under the private key alias, additional information is being displayed. You're looking for this:

How to import existing .key and .crt into .jks

Assume you have an existing .key and .crt from your Apache configuration.

You do this:

1. You convert the private key into PKCS#8 format:

2. Since the stupid Java keytool doesn't allow you to import private keys, you download this tool:

3. Now you can import the key into the Java Keystore:

4. Now you have the Java Keystore:

5. Delete the tmpfile:

Links

OpenSSL Commands and SSL Keytool List

OpenSSL is an open-source implementation of SSL/TLS protocols and is considered to be one of the most versatile SSL tools. It’s a library written in C programming language that implements the basic cryptographic functions. OpenSSL has different versions for most Unix-like operating systems, which include Mac OC X, Linux, and Microsoft Windows etc.

Open SSL is normally used to generate a Certificate Signing Request (CSR) and private key for different platforms. However, it also has several different functions, which can be listed as follows. It is used to:

• View details about a CSR or a certificate
• Compare MD5 hash of a certificate and private key to ensure they match
• Verify proper installation of the certificate on a website
• Convert the certificate format

Most of the functions mentioned below can also be performed without involving OpenSSL by using these convenient SSL tools. Here, we have put together few of the most common OpenSSL commands.

General OpenSSL Commands

These are the set of commands that allow the users to generate CSRs, Certificates, Private Keys and many other miscellaneous tasks. Here, we have listed few such commands:

(1) Generate a Certificate Signing Request (CSR) and new private key

(2) Generate a self-signed certificate

Java Keytool Csr

(3) Create CSR based on an existing private key

(4) Create CSR based on an existing certificate

(5) Passphrase removal from a private key

SSL Check Commands

These commands are very helpful if the user wants to check the information within an SSL certificate, a Private Key, and CSR. Few online tools can also help you check CSRs and check SSL certificates.

(1) Certificate Signing Request (CSR)

(2) Private Key

(3) SSL Certificate

(4) PKCS#12 File (.pfx or .p12)

Convert Commands

As per the title, these commands help convert the certificates and keys into different formats to impart them the compatibility with specific servers types. For example, a PEM file, compatible with Apache server, can be converted to PFX (PKCS#12), after which it would be possible for it to work with Tomcat or IIS. However, you can also use the SSL Converter to change the format, without having to involve OpenSSL.

(1) Convert DER Files (.crt, .cer, .der) to PEM

(2) Convert PEM to DER

(3) Convert PKCS #12 File (.pfx, .p12) Containing a Private Key and Certificate to PEM

To output only the private key, users can add –nocerts or –nokeys to output only the certificates.

(4) Convert PEM Certificate (File and a Private Key) to PKCS # 12 (.pfx #12)

Debugging Using OpenSSL Commands

If there are error messages popping up about your private key not matching the certificate or that the newly-installed certificate is not trusted, you can rely on one of the comments mentioned below. You can also use the SSL certificate checker tool for verifying the correct installation of an SSL certificate.

(1) Check SSL Connection (All certificates, including Intermediates, are to be displayed)

Here, all the certificates should be displayed, including the Intermediates as well.

(2) Check MD5 Hash of Public Key

This is to ensure that the public key matches with the CSR or the private key.

SSL Keytool List

Java Keytool is a key and certificate management utility that allows the users to cache the certificate and manage their own private or public key pairs and certificates. Java Keytool stores all the keys and certificates in a ‘Keystore’, which is, by default, implemented as a file. It contains private keys and certificates that are essential for establishing the reliability of the primary certificate and completing a chain of trust.

Every certificate in Java Keystore has a unique pseudonym/alias. For creating a ‘Java Keystore’, you need to first create the .jks file containing only the private key in the beginning. After that, you need to generate a Certificate Signing Request (CSR) and generate a certificate from it. After this, import the certificate to the Keystore including any root certificates.

The ‘Java Keytool’ basically contains several other functions that help the users export a certificate or to view the certificate details or the list of certificates in Keystore.

Here are few important Java Keytool commands:

For Creating and Importing

These Keytool commands allow users to create a new Java Keytool keysKeystore, generate a Certificate Signing Request (CSR) and import certificates. Before you import the primary certificate for your domain, you need to first import any root or intermediate certificates.

(1) Import a root or intermediate CA certificate to an existing Java keystore

(2) Import a signed primary certificate to an existing Java keystore

(3) Generate a keystore and self-signed certificate

(4) Generate Key Pair & Java Keystore

(5) Generate CSR for existing Java Keystore

For Checking

Users can check the information within a certificate or Java keystore by using the following commands:

(1) Check an individual certificate

(2) Check certificates in Java keystore

(3) Check specific keystore entry using an alias

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Other Java Keytool Commands

(1) Delete a certificate from Java Keystore keystore

(2) Change the password in Java keystore / Change a Java keystore password

(3) Export certificate from Java keystore

(4) List the trusted CA Certificate

Digicert Keytool Csr

(5) Import new CA into Trusted Certs

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