soft_encrypt_init
rv = soft_encrypt_init(session_p, pMechanism, key_p);
rv = soft_encrypt_init(session_p, pMechanism, key_p);
rv = soft_encrypt_init(session_p, pMechanism, wrappingKey_p);
CK_RV soft_encrypt_init(soft_session_t *, CK_MECHANISM_PTR, soft_object_t *);