[jboss-jira] [JBoss JIRA] (ELY-810) Unify CredentialStore around CredentialSource style storage capability

Unify CredentialStore around CredentialSource style storage capability ---------------------------------------------------------------------- Key: ELY-810 URL: https://issues.jboss.org/browse/ELY-810 Project: WildFly Elytron Issue Type: Task Components: Credential Store Reporter: David Lloyd Assignee: David Lloyd Fix For: 1.1.0.Beta18 The following needs to be done: * Move the PB masked password format to a proper password type * Introduce protection parameters for credential stores and entries * Drop the admin_key concept in favor of credential store protection parameters * Introduce a proper vault-compatible credential store * Introduce a mechanism to pull protection parameters for stores from the client configuration * Use a credential store which can store (nearly) any credential type * Update XML accordingly * Remove dangerous command execution patterns from credential store, make them safe and make them CredentialSources instead * Clean up exception hierarchy of credential stores * Introduce simple map-backed credential store Additionally, the above implies: * Introduce AlgorithmParameterSpi for password parameter types * Introduce hashing ability for parameters * Add missing parameter types for PBE * Introduce serialization trickery to support picketbox class names for vault files * Atomic file output stream * Update tests as needed