[CRYPTO-56] add informative error message, keep consistent with JDK

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Assignee: Xianda Ke
• Reporter: Xianda Ke
• Created: 06/May/16 12:48
• Updated: 11/May/16 06:26
• Resolved: 11/May/16 06:24

Description

1. Invalid key length
When the key length is invalid, Commons Crypto's error message is
"Invalid key length."
JDK would throw an error message: "Invalid AES key length: xx bytes"

2. invalid IV length error mesage
Commons Crypto : "Wrong IV length."
JDK: "Wrong IV length: must be 16 bytes long"

JDK's error message is more informative. it would be better to keep consistent with JDK.