On Tue, 31 Aug 2021 00:09:10 GMT, Valerie Peng <[email protected]> wrote:
>> src/java.base/share/classes/com/sun/crypto/provider/KeyWrapCipher.java line
>> 237:
>>
>>> 235: @Override
>>> 236: protected int engineGetBlockSize() {
>>> 237: return 8;
>>
>> Line 186 still says:
>>
>> `* symmetric cipher whose block size must be 128-bit`
>>
>> Should that also be updated?
>
> Line 186 is correct in that the underlying Cipher block size must be 128-bit.
> However, the KW/KWP processing affected the input size requirement into
> 8-byte blocks, thus the overall cipher block size is now 8 instead of 16
> bytes.
So the block size is always 8 even when there is no padding?
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PR: https://git.openjdk.java.net/jdk/pull/5236
