ERR_R_INTERNAL_ERROR);
return WORK_ERROR;
+ case TLS_ST_CR_CERT_VRFY:
case TLS_ST_CR_CERT_REQ:
return tls_prepare_client_certificate(s, wst);
}
/* we should setup a certificate to return.... */
s->s3->tmp.cert_req = 1;
+ /*
+ * In TLSv1.3 we don't prepare the client certificate yet. We wait until
+ * after the CertificateVerify message has been received. This is because
+ * in TLSv1.3 the CertificateRequest arrives before the Certificate message
+ * but in TLSv1.2 it is the other way around. We want to make sure that
+ * SSL_get_peer_certificate() returns something sensible in
+ * client_cert_cb.
+ */
+ if (SSL_IS_TLS13(s) && s->post_handshake_auth != SSL_PHA_REQUESTED)
+ return MSG_PROCESS_CONTINUE_READING;
+
return MSG_PROCESS_CONTINUE_PROCESSING;
}