How do I import an existing Java keystore jks file into a Java installation

Question

So  I am having trouble with LDAP   I have an integration test case that hopefully will work out  but it is currently running into LDAPS security issues with the SSL handshake   I am able to connect to the LDAPS with Apache Directory Studio  and it has downloaded the keystore into a file  permanent jks    That s ok  but I want my integration test  which resides in Eclipse using a JRE  to be able to connect to the LDAP server using this keystore   How can I take this keystore and import it into the JRE for its own use

User · Accepted Answer

Ok  so here was my process   keytool -list -v -keystore permanent jks - got me the alias   keytool -export -alias alias name -file certificate name -keystore permanent jks - got me the certificate to import   Then I could import it with the keytool   keytool -import -alias alias name -file certificate name -keystore keystore location  As  Christian Bongiorno says the alias can t already exist in your keystore

User · Answer

to load a KeyStore  you ll need to tell it the type of keystore it is  probably jceks   provide an inputstream  and a password  then  you can load it like so   KeyStore ks    KeyStore getInstance TYPE OF KEYSTORE   ks load new FileInputStream PATH TO KEYSTORE   PASSWORD     this can throw a KeyStoreException  so you can surround in a try block if you like  or re-throw  Keep in mind a keystore can contain multiple keys  so you ll need to look up your key with an alias  here s an example with a symmetric key   SecretKeyEntry entry    KeyStore SecretKeyEntry ks getEntry SOME ALIAS new KeyStore PasswordProtection SOME PASSWORD    SecretKey someKey   entry getSecretKey

User · Answer

You can bulk import all aliases from one keystore to another   keytool -importkeystore -srckeystore source jks -destkeystore dest jks

[java] How do I import an existing Java keystore (.jks) file into a Java installation?

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