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SDK: Add ca extension when issue CA certificates (#2277)

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Signed-off-by: Avgustin Marinov <Avgustin.Marinov@bosch.com>
This commit is contained in:
Avgustin Marinov
2025-02-13 14:16:29 +02:00
committed by GitHub
parent c31c832b23
commit 653df8acdd
2 changed files with 42 additions and 27 deletions
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53
hawkbit-sdk/hawkbit-sdk-commons/src/main/java/org/eclipse/hawkbit/sdk/ca/CA.java
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@@ -23,6 +23,10 @@ import java.util.Objects;
import javax.security.auth.x500.X500Principal;
import lombok.Data;
import org.bouncycastle.asn1.x509.BasicConstraints;
import org.bouncycastle.asn1.x509.Extension;
import org.bouncycastle.asn1.x509.X509Extension;
import org.bouncycastle.cert.CertIOException;
import org.bouncycastle.cert.X509v3CertificateBuilder;
import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter;
import org.bouncycastle.cert.jcajce.JcaX509v3CertificateBuilder;
@@ -70,24 +74,14 @@ public class CA {
return issue(subject, null, null);
}
// generate key and issue a certificate
// generate key and issue a CA certificate
public CA issueCA(final String subject, final Date notBefore, final Date notAfter) throws CertificateException {
return new CA(issue(subject, notBefore, notAfter, true));
}
// generate key and issue an end certificate
public Certificate issue(final String subject, final Date notBefore, final Date notAfter) throws CertificateException {
Objects.requireNonNull(subject);
try {
final KeyPair keyPair = genKey();
final X509Certificate[] certificateChain = certificate.getCertificateChain();
final ContentSigner signer = new JcaContentSignerBuilder(SHA_256_WITH_RSA_ENCRYPTION).build(certificate.getKeyPair().getPrivate());
final X509v3CertificateBuilder caCertBuilder = new JcaX509v3CertificateBuilder(
certificateChain[0].getSubjectX500Principal(),
BigInteger.valueOf(nextSerial++), notBefore(notBefore), notAfter(notAfter), new X500Principal(subject),
keyPair.getPublic());
final X509Certificate[] subjectCertificateChain = new X509Certificate[certificateChain.length + 1];
certificateChain[0] = new JcaX509CertificateConverter().getCertificate(caCertBuilder.build(signer));
System.arraycopy(certificateChain, 0, subjectCertificateChain, 1, certificateChain.length);
return new Certificate(keyPair, subjectCertificateChain);
} catch (final NoSuchAlgorithmException | OperatorCreationException e) {
throw new CertificateException(e);
}
return issue(subject, notBefore, notAfter, false);
}
public String getFingerprint() {
@@ -99,6 +93,28 @@ public class CA {
}
}
private Certificate issue(final String subject, final Date notBefore, final Date notAfter, final boolean ca) throws CertificateException {
Objects.requireNonNull(subject);
try {
final KeyPair keyPair = genKey();
final X509Certificate[] certificateChain = certificate.getCertificateChain();
final ContentSigner signer = new JcaContentSignerBuilder(SHA_256_WITH_RSA_ENCRYPTION).build(certificate.getKeyPair().getPrivate());
final X509v3CertificateBuilder certBuilder = new JcaX509v3CertificateBuilder(
certificateChain[0].getSubjectX500Principal(),
BigInteger.valueOf(nextSerial++), notBefore(notBefore), notAfter(notAfter), new X500Principal(subject),
keyPair.getPublic());
if (ca) {
certBuilder.addExtension(Extension.basicConstraints, false, new BasicConstraints(true));
}
final X509Certificate[] subjectCertificateChain = new X509Certificate[certificateChain.length + 1];
subjectCertificateChain[0] = new JcaX509CertificateConverter().getCertificate(certBuilder.build(signer));
System.arraycopy(certificateChain, 0, subjectCertificateChain, 1, certificateChain.length);
return new Certificate(keyPair, subjectCertificateChain);
} catch (final NoSuchAlgorithmException | OperatorCreationException | CertIOException e) {
throw new CertificateException(e);
}
}
private static String toHex(final byte[] bytes) {
final StringBuilder sb = new StringBuilder();
for (final byte b : bytes) {
@@ -115,8 +131,9 @@ public class CA {
final ContentSigner selfSigner = new JcaContentSignerBuilder(SHA_256_WITH_RSA_ENCRYPTION).build(keyPair.getPrivate());
final X509v3CertificateBuilder caCertBuilder = new JcaX509v3CertificateBuilder(
caPrincipal, BigInteger.valueOf(0L), notBefore(notBefore), notAfter(notAfter), caPrincipal, keyPair.getPublic());
caCertBuilder.addExtension(Extension.basicConstraints, false, new BasicConstraints(true));
return new Certificate(keyPair, new X509Certificate[] { new JcaX509CertificateConverter().getCertificate(caCertBuilder.build(selfSigner)) });
} catch (final NoSuchAlgorithmException | OperatorCreationException e) {
} catch (final NoSuchAlgorithmException | OperatorCreationException | CertIOException e) {
throw new CertificateException(e);
}
}