PDFBOX-5940: use the algorithm from the certificate

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1923391 13f79535-47bb-0310-9956-ffa450edef68
apache · Jan 27, 2025 · 41ebe03 · 41ebe03
1 parent 7469287
commit 41ebe03
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/examples/src/main/java/org/apache/pdfbox/examples/signature/CreateSignatureBase.java b/examples/src/main/java/org/apache/pdfbox/examples/signature/CreateSignatureBase.java
@@ -138,7 +138,7 @@ public byte[] sign(InputStream content) throws IOException
         {
             CMSSignedDataGenerator gen = new CMSSignedDataGenerator();
             X509Certificate cert = (X509Certificate) certificateChain[0];
-            ContentSigner sha1Signer = new JcaContentSignerBuilder("SHA256WithRSA").build(privateKey);
+            ContentSigner sha1Signer = new JcaContentSignerBuilder(cert.getSigAlgName()).build(privateKey);
             gen.addSignerInfoGenerator(new JcaSignerInfoGeneratorBuilder(new JcaDigestCalculatorProviderBuilder().build()).build(sha1Signer, cert));
             gen.addCertificates(new JcaCertStore(Arrays.asList(certificateChain)));
             CMSProcessableInputStream msg = new CMSProcessableInputStream(content);