OpenIDM Issue - javax.crypto.BadPaddingException: Given final block not properly padded

org.forgerock.json.JsonException: org.forgerock.json.crypto.JsonCryptoException: javax.crypto.BadPaddingException: Given final block not properly padded
May 23, 2017
OpenIDMIDMForgeRockcryptography

This occurred when encrypted data within the database was migrated to another instance though when accessing that information after migrated, I would receive the following error response, org.forgerock.json.JsonException: org.forgerock.json.crypto.JsonCryptoException: javax.crypto.BadPaddingException: Given final block not properly padded


Error


SOLUTION

https://technicalconfessions.com/images/postimages/postimages/_440_4_Adding a non encrypted password IDM.png

This occurs because the encrypted JSON data, used as the cryptographic key for the service admin (in this case, it's openidm-admin) cannot be used to decrypt the encrypted messages. to resolve this, you need to ensure that the crypto key value is altered. Obviously, save the existing key value located within the internaluser table before modifying the key. Within the internaluser table, the 'pwd' is set with the crypto key value. If you need to enter in a new crypto value, then there's a cli command available within the openIDM product. Keep in mind that this is during the startup. If the encryption is due to trying to decrypt a managed object, then this might not be the solution for you. This is performed by going to the openidm directory and running the cli.bat command by passing the first attribute as 'encrypt' and then identifying the user (in most cases, it's openidm-admin)

Again, save the existing crypto pwd within the database before changing it.

https://technicalconfessions.com/images/postimages/postimages/_440_6_Creating a new encrypted ForgeRock IDM PW.png

You use the crypto key value that you received within the terminal to then update the database as illustrated within the table. Manipulating the table directly by using a DML SQL query is probably the best approach. Once that is performed, try starting up OpenIDM again to determine if you pass the stack trace

https://technicalconfessions.com/images/postimages/postimages/_440_7_Setting a new encrypted value.png

Comments below are always welcomed

About the author

Daniel is a Technical Manager with over 10 years of consulting expertise in the Identity and Access Management space.
Daniel has built from scratch this blog as well as technicalconfessions.com
Follow Daniel on twitter @nervouswiggles

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