On Mon, 18 Apr 2022 05:06:26 GMT, Smita Kamath <svkam...@openjdk.org> wrote:
> When input length provided to the intrinsic is 8192, only 7680 bytes are > processed as the intrinsic operates on multiples of 768 bytes. > In implGCMCrypt(ByteBuffer src, ByteBuffer dst) method, > dst.put(bout, 0, PARALLEL_LEN) statement caused the ciphertext mismatch as > PARALLEL_LEN was set to 8192. > Since the intrinsic only processed 7680 bytes, the rest output was incorrect. It's good that this issue has been found. There seems to be an intrinsic for aarch64 with a vectorized GCM implementation, I guess is must also work in multiples of 768 bytes, so is this change okay there too? ------------- PR: https://git.openjdk.java.net/jdk/pull/8280
