Troubleshooting
Locating Algorithms
| Q1: | Why can't I create a Cipher that uses DES? |
You probably don't have the JCE installed correctly. If you took the easy way and installed the JCE JAR files to your jre\lib\ext directory, you must still add the new security provider to the jre\lib\security\java.security file. The line you add usually looks something like this:
security.provider.3=com.sun.crypto.provider.SunJCE | |
| Q2: | I know the JCE is installed properly; why can't I find DES? |
| Make sure you spell it properly: DES, all capital letters. If that doesn't work, try specifying "SunJCE" as the second parameter, which is the security provider. |
Encryption and Decryption
| Q1: | I can encrypt with DES, DESede, or Blowfish; why do I get an error about missing parameters ... |
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