Thought you would be interested in the following link. (For information only, no association and endorsement implied.) Topic: Vault APR 28 2015 MITCHELL HASHIMOTO Today we announce Vault %u2014 a tool for securely managing secrets and encrypting data in-transit. From storing credentials and API keys to encrypting passwords for user signups, Vault is meant to be a solution for all secret management needs. Link: https://hashicorp.com/blog/vault.html One link of interest: http://vaultproject.io/intro/vs/hsm.html Alan