SoftHSM is an implementation of a cryptographic
store accessible through a PKCS#11 interface. You
can use it to explore PKCS#11 without having a
Hardware Security Module. It is being developed as
a part of the OpenDNSSEC project. SoftHSM uses
Botan for its cryptographic operations.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
This release fixed a bug where signing could not be performed when another application had a lock on the database. The database connection is now checked. Upgrading to Botan 1.8.5 or later is recommended to fix a freeze due to entropy problems that occurred during some operations