public void encodeInfo(OutputStream out) throws CRLException { try { DerOutputStream tmp = new DerOutputStream(); DerOutputStream rCerts = new DerOutputStream(); DerOutputStream seq = new DerOutputStream(); if (version != 0) { tmp.putInteger(version); } infoSigAlgId.encode(tmp); if ((version == 0) && (issuer.toString() == null)) { throw new CRLException("Null Issuer DN not allowed in v1 CRL"); } issuer.encode(tmp); if (thisUpdate.getTime() < YR_2050) { tmp.putUTCTime(thisUpdate); } else { tmp.putGeneralizedTime(thisUpdate); } if (nextUpdate != null) { if (nextUpdate.getTime() < YR_2050) { tmp.putUTCTime(nextUpdate); } else { tmp.putGeneralizedTime(nextUpdate); } } if (!revokedList.isEmpty()) { for (X509CRLEntry entry : revokedList) { ((X509CRLEntryImpl) entry).encode(rCerts); } tmp.write(DerValue.tag_Sequence, rCerts); } if (extensions != null) { extensions.encode(tmp, isExplicit); } seq.write(DerValue.tag_Sequence, tmp); tbsCertList = seq.toByteArray(); out.write(tbsCertList); } catch (IOException e) { throw new CRLException("Encoding error: " + e.getMessage()); } }
public void sign(PrivateKey key, String algorithm, String provider) throws CRLException, NoSuchAlgorithmException, InvalidKeyException, NoSuchProviderException, SignatureException { try { if (readOnly) { throw new CRLException("cannot over-write existing CRL"); } Signature sigEngine = null; if ((provider == null) || (provider.length() == 0)) { sigEngine = Signature.getInstance(algorithm); } else { sigEngine = Signature.getInstance(algorithm, provider); } sigEngine.initSign(key); sigAlgId = AlgorithmId.get(sigEngine.getAlgorithm()); infoSigAlgId = sigAlgId; DerOutputStream out = new DerOutputStream(); DerOutputStream tmp = new DerOutputStream(); encodeInfo(tmp); sigAlgId.encode(tmp); sigEngine.update(tbsCertList, 0, tbsCertList.length); signature = sigEngine.sign(); tmp.putBitString(signature); out.write(DerValue.tag_Sequence, tmp); signedCRL = out.toByteArray(); readOnly = true; } catch (IOException e) { throw new CRLException("Error while encoding data: " + e.getMessage()); } }