What are the merits of JKS vs PKCS12 for code signing?

Question

When buying a code-signing certificate, what are the merits of starting with a PKCS12 versus JKS certificate? Some vendors give instructions on starting with a JKS or PKCS12 ce

Answer 1

In case you have JKS key store you can convert to PKCS12 using the below commands

keytool -importkeystore  -srckeypass secret -destkeypass meow123  -srcstorepass secretstore -deststorepass secretstore  -srcalias certforsigning -destalias certforsigning  -srcalias certforencryption -destalias certforencryption -srckeystore my_java_keystore.jks -destkeystore PFX_keystore.pfx  -deststoretype PKCS12

where my_java_keystore.jks is the java key store that has two keys with alias certforsigning and certforencryption

and you can also convert the keys from PKCS12 to JKS using Keytool