Unlocks the vault.
The password is validated against the password policy if it has been set using setPasswordPolicy. If the password is not compatible with the password policy, an IncompatiblePassword exception is thrown. In that case, call changePassword to set a new password that is compatible with the password policy.
public void unlock(String password, String salt)
If an incorrect password or salt is used, a DataVaultException is thrown with the reason INVALID_PASSWORD.
if (vault.isLocked()) { vault.unlock("password", "salt"); }