Re: JEP draft: Leighton-Micali Hash-Based Signatures

Hi All, We haven't gotten enough feedback on the proposed new APIs and decide to drop this JEP from JDK 21. It's still open and we can reconsider it in a future release. We are still planning on an implementation on signature verification targeting JDK 21. You can read the CSR at https://bugs.

JEP draft: Leighton-Micali Hash-Based Signatures

Hi All, We propose to add support for HSS/LMS as a Signature algorithm to JCA/JCE. All currently widely used digital signature schemes, including DSA, RSA, ECDSA, and EdDSA, have the potential to be broken if large scale quantum computers are ever built. However, the security of HSS/LMS depends