use keytool
See information of P12 keypair
<pre><code class="lang-plaintext">openssl pkcs12 -in fookeystore.p12 -nodes -passin pass:"changeit" | openssl x509 -noout -subject
</code></pre>
Sample project of Spring Boot SSLBundles <a target="_blank" href="https://github.com/scottfrederick/spring-boot-ssl-demo">https://github.com/scottfrederick/spring-boot-ssl-demo</a>
<pre><code class="lang-plaintext">openssl genpkey -h
openssl genpkey -algorithm ED448 -out root_keypair.pem
code .\root_keypair.pem
openssl pkey -in root_keypair.pem -noout -text
</code></pre>
<a target="_blank" href="https://learning.oreilly.com/library/view/demystifying-cryptography-with/9781800560345/B16767_08_Final_AM.xhtml#_idParaDest-165">https://learning.oreilly.com/library/view/demystifying-cryptography-with/9781800560345/B16767_08_Final_AM.xhtml#_idParaDest-165</a>

use keytool

See information of P12 keypair

```plaintext
openssl pkcs12 -in fookeystore.p12 -nodes -passin pass:"changeit" | openssl x509 -noout -subject
```

Sample project of Spring Boot SSLBundles [https://github.com/scottfrederick/spring-boot-ssl-demo](https://github.com/scottfrederick/spring-boot-ssl-demo)

```plaintext
openssl genpkey -h
openssl genpkey -algorithm ED448 -out root_keypair.pem
code .\root_keypair.pem
openssl pkey -in root_keypair.pem -noout -text
```

[https://learning.oreilly.com/library/view/demystifying-cryptography-with/9781800560345/B16767\_08\_Final\_AM.xhtml#\_idParaDest-165](https://learning.oreilly.com/library/view/demystifying-cryptography-with/9781800560345/B16767_08_Final_AM.xhtml#_idParaDest-165)

generate certificates