d2i_PKCS8PrivateKey_bio
ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u);
EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
r_ret = d2i_PKCS8PrivateKey_bio(bio, &pkey, read_callback, &cb_data);
&& TEST_ptr(pkey_dec = d2i_PKCS8PrivateKey_bio(enc_bio, NULL, NULL,