On Fri, 18 Dec 2020 14:55:08 GMT, Claes Redestad <redes...@openjdk.org> wrote:
> A more general issue is that this patch assumes the `MessageDigest` object > returned is statically shareable, which implies it being stateless and > thread-safe. > > This doesn't seem to be the case. See > [MD5.java](https://github.com/openjdk/jdk/blob/master/src/java.base/share/classes/sun/security/provider/MD5.java) > and the > [DigestBase.java](https://github.com/openjdk/jdk/blob/master/src/java.base/share/classes/sun/security/provider/DigestBase.java) > base class, which both have mutating buffers for doing the digest. Wow, this is interesting. In this case I will check if there is a way to implement a thread-safe mechanism there. Will report here once there is some result. ------------- PR: https://git.openjdk.java.net/jdk/pull/1821
