pkcs11-helper-1.20

2016-12-08 - Version 1.20

• polarssl: support polarssl-1.3, thanks to Steffan Karger.
• certificate: ignore certificate object without CKA_ID.
• openssl: fix memory leak, thanks to ASPj.
• openssl: support 1.1 and libressl, thanks to Daiki Ueno.