On 7/24/18 9:38 PM, Weijun Wang wrote:
Something related.
Cipher has a similar init(..,params) and getParameters() structure and the spec
is also similar.
* <p>The returned parameters may be the same that were used to initialize
* this cipher, or may contain a combination of default and random
* parameter values used by the underlying cipher implementation if this
* cipher requires algorithm parameters but was not initialized with any.
However, one can supply an incomplete parameters object in init() and
getParameters() will fill in default/random values to make it complete.
For example, in PBE-based Cipher, one can only include salt and iteration count
in the init params, and init() will add in a random IV, and the IV can be
retrieved with getParameters().
Is this something we need to clarify?
Yes, we should update the Cipher API to be consistent with Signature. I
think this can wait until JDK 12 though.
Valerie, can you file a follow-on issue?
Thanks,
Sean
