get_ui_method
OSSL_ENCODER_CTX_set_passphrase_ui(ectx, get_ui_method(), NULL);
OSSL_ENCODER_CTX_set_passphrase_ui(ectx, get_ui_method(), NULL);
const UI_METHOD *get_ui_method(void);
get_ui_method(), &uidata, params,
ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
(void *)get_ui_method(), 0, 1)
OSSL_ENCODER_CTX_set_passphrase_ui(ectx, get_ui_method(), NULL);
ret = process(argv[0], get_ui_method(), &pw_cb_data,