On Tue, 23 Mar 2021 20:09:23 GMT, Greg Rubin
<[email protected]> wrote:
>> Valerie Peng has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Changed AlgorithmParameters impls to register under AES/KW/NoPadding and
>> AES/KWP/NoPadding
>
> src/java.base/share/classes/com/sun/crypto/provider/KeyWrapCipher.java line
> 507:
>
>> 505: } else {
>> 506: outLen = cipher.encryptFinal(dataBuf, 0, dataIdx, null,
>> -1);
>> 507: }
>
> Can we extract this shared logic (among the different versions of
> `engineDoFinal`) into a separate helper method so that the different
> `engineDoFinal` methods just need to handle their specific differences (such
> as returning `Arrays.copyOf(dataBuf, outLen)` or calling
> `System.arraycopy(dataBuf, 0, out, outOfs, outLen); return outLen;`).
Right, I agree. Will look into it.
> src/java.base/share/classes/com/sun/crypto/provider/KeyWrapCipher.java line
> 660:
>
>> 658: @Override
>> 659: protected byte[] engineWrap(Key key)
>> 660: throws IllegalBlockSizeException, InvalidKeyException {
>
> Is it okay that we can call `cipher.init(Cipher.ENCRYPT_MODE, ...)` and then
> use it with `cipher.wrap()`?
>
> Also, can we simply delegate the heavy lifting to `engineDoFinal()` (or the
> new suggested helper method) rather than duplicating this logic here?
Right, I will add additional checking on the Cipher.XXX_MODE. Agree with you
regarding reducing the code duplication.
-------------
PR: https://git.openjdk.java.net/jdk/pull/2404
