com.itextpdf.signatures.IOcspClient Maven / Gradle / Ivy
/*
This file is part of the iText (R) project.
Copyright (c) 1998-2023 iText Group NV
Authors: Bruno Lowagie, Paulo Soares, et al.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License version 3
as published by the Free Software Foundation with the addition of the
following permission added to Section 15 as permitted in Section 7(a):
FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
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or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Affero General Public License for more details.
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*/
package com.itextpdf.signatures;
import java.security.cert.X509Certificate;
/**
* Interface for the Online Certificate Status Protocol (OCSP) Client.
*/
public interface IOcspClient {
/**
* Fetch a DER-encoded BasicOCSPResponse from an OCSP responder. The method should not throw
* an exception.
*
*
* Note: do not pass in the full DER-encoded OCSPResponse object obtained from the responder,
* only the DER-encoded BasicOCSPResponse value contained in the response data.
*
* @param checkCert Certificate to check.
* @param issuerCert The parent certificate.
* @param url The URL of the OCSP responder endpoint. If null, implementations can
* attempt to obtain a URL from the AuthorityInformationAccess extension of
* the certificate, or from another implementation-specific source.
* @return a byte array containing a DER-encoded BasicOCSPResponse structure or null if one
* could not be obtained
* @see RFC 6960 § 4.2.1
*/
byte[] getEncoded(X509Certificate checkCert, X509Certificate issuerCert, String url);
}