popliu and I are thrilled to be introducing a new Microsoft open-source project: Azure Key Vault and Managed HSM engine, which is compatible with OpenSSL.
Azure Key Vault and Managed HSM Engine...
Updated Dec 09, 2021
Version 3.0
Blog Post
A Java JCE security provider would be cool, especially if it not only works for JSSE (TLS) but also other signatures.
BTW what handshake throughout you expect (caused by service latency) and what signing speed those vaults have?