1 files changed, 66 insertions, 0 deletions
diff --git a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/X509v1CertificateBuilder.java b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/X509v1CertificateBuilder.java
new file mode 100644
index 000000000..b0a9b497f
--- /dev/null
+++ b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/X509v1CertificateBuilder.java
@@ -0,0 +1,66 @@
+package org.spongycastle.cert;
+
+import java.math.BigInteger;
+import java.util.Date;
+
+import org.spongycastle.asn1.ASN1Integer;
+import org.spongycastle.asn1.x500.X500Name;
+import org.spongycastle.asn1.x509.SubjectPublicKeyInfo;
+import org.spongycastle.asn1.x509.Time;
+import org.spongycastle.asn1.x509.V1TBSCertificateGenerator;
+import org.spongycastle.operator.ContentSigner;
+
+
+/**
+ * class to produce an X.509 Version 1 certificate.
+ */
+public class X509v1CertificateBuilder
+{
+    private V1TBSCertificateGenerator   tbsGen;
+
+    /**
+     * Create a builder for a version 1 certificate.
+     *
+     * @param issuer the certificate issuer
+     * @param serial the certificate serial number
+     * @param notBefore the date before which the certificate is not valid
+     * @param notAfter the date after which the certificate is not valid
+     * @param subject the certificate subject
+     * @param publicKeyInfo the info structure for the public key to be associated with this certificate.
+     */
+    public X509v1CertificateBuilder(X500Name issuer, BigInteger serial, Date notBefore, Date notAfter, X500Name subject, SubjectPublicKeyInfo publicKeyInfo)
+    {
+        if (issuer == null)
+        {
+            throw new IllegalArgumentException("issuer must not be null");
+        }
+
+        if (publicKeyInfo == null)
+        {
+            throw new IllegalArgumentException("publicKeyInfo must not be null");
+        }
+
+        tbsGen = new V1TBSCertificateGenerator();
+        tbsGen.setSerialNumber(new ASN1Integer(serial));
+        tbsGen.setIssuer(issuer);
+        tbsGen.setStartDate(new Time(notBefore));
+        tbsGen.setEndDate(new Time(notAfter));
+        tbsGen.setSubject(subject);
+        tbsGen.setSubjectPublicKeyInfo(publicKeyInfo);
+    }
+
+    /**
+     * Generate an X509 certificate, based on the current issuer and subject
+     * using the passed in signer.
+     *
+     * @param signer the content signer to be used to generate the signature validating the certificate.
+     * @return a holder containing the resulting signed certificate.
+     */
+    public X509CertificateHolder build(
+        ContentSigner signer)
+    {
+        tbsGen.setSignature(signer.getAlgorithmIdentifier());
+
+        return CertUtils.generateFullCert(signer, tbsGen.generateTBSCertificate());
+    }
+}
+\ No newline at end of file