List of usage examples for org.bouncycastle.crypto.digests SHA1Digest getDigestSize
public int getDigestSize()
From source file:org.nfc.eclipse.ndef.signature.SignatureVerifier.java
License:Open Source License
public Boolean verify(CertificateFormat certificateFormat, byte[] certificateBytes, SignatureType signatureType, byte[] signatureBytes, byte[] coveredBytes) throws CertificateException, NoSuchProviderException { if (Security.getProvider("BC") == null) { Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider()); }// w ww . j a v a 2 s .c o m Certificate certificate = null; if (certificateFormat == CertificateFormat.X_509) { java.security.cert.CertificateFactory cf = java.security.cert.CertificateFactory.getInstance("X.509", "BC"); certificate = cf.generateCertificate(new ByteArrayInputStream(certificateBytes)); } if (signatureType == SignatureType.RSASSA_PKCS1_v1_5_WITH_SHA_1) { BCRSAPublicKey key = (BCRSAPublicKey) certificate.getPublicKey(); RSAKeyParameters pubParameters = new RSAKeyParameters(false, key.getModulus(), key.getPublicExponent()); SHA1Digest digest = new SHA1Digest(); RSADigestSigner rsaDigestSigner = new RSADigestSigner(digest); rsaDigestSigner.init(false, pubParameters); rsaDigestSigner.update(coveredBytes, 0, coveredBytes.length); return rsaDigestSigner.verifySignature(signatureBytes); } else if (signatureType == SignatureType.RSASSA_PSS_SHA_1) { BCRSAPublicKey key = (BCRSAPublicKey) certificate.getPublicKey(); RSAKeyParameters pubParameters = new RSAKeyParameters(false, key.getModulus(), key.getPublicExponent()); AsymmetricBlockCipher rsaEngine = new RSABlindedEngine(); rsaEngine.init(false, pubParameters); SHA1Digest digest = new SHA1Digest(); PSSSigner signer = new PSSSigner(rsaEngine, digest, digest.getDigestSize()); signer.init(true, pubParameters); signer.update(coveredBytes, 0, coveredBytes.length); return signer.verifySignature(signatureBytes); } else if (signatureType == SignatureType.ECDSA) { // http://en.wikipedia.org/wiki/Elliptic_Curve_DSA // http://stackoverflow.com/questions/11339788/tutorial-of-ecdsa-algorithm-to-sign-a-string // http://www.bouncycastle.org/wiki/display/JA1/Elliptic+Curve+Key+Pair+Generation+and+Key+Factories // http://java2s.com/Open-Source/Java/Security/Bouncy-Castle/org/bouncycastle/crypto/test/ECTest.java.htm /* BCRSAPublicKey key = (BCRSAPublicKey) certificate.getPublicKey(); RSAKeyParameters pubParameters = new RSAKeyParameters(false, key.getModulus(), key.getPublicExponent()); org.bouncycastle.crypto.signers.ECDSASigner signer = new org.bouncycastle.crypto.signers.ECDSASigner(); signer.init(false, pubParameters); SHA1Digest digest = new SHA1Digest(); digest.update(coveredBytes, 0, coveredBytes.length); return signer.verifySignature(signatureBytes); */ } else if (signatureType == SignatureType.DSA) { ASN1InputStream aIn = new ASN1InputStream(signatureBytes); ASN1Primitive o; try { o = aIn.readObject(); ASN1Sequence asn1Sequence = (ASN1Sequence) o; BigInteger r = DERInteger.getInstance(asn1Sequence.getObjectAt(0)).getValue(); BigInteger s = DERInteger.getInstance(asn1Sequence.getObjectAt(1)).getValue(); BCDSAPublicKey key = (BCDSAPublicKey) certificate.getPublicKey(); // DSA Domain parameters DSAParams params = key.getParams(); if (params == null) { return Boolean.FALSE; } DSAParameters parameters = new DSAParameters(params.getP(), params.getQ(), params.getG()); DSASigner signer = new DSASigner(); signer.init(false, new DSAPublicKeyParameters(key.getY(), parameters)); SHA1Digest digest = new SHA1Digest(); digest.update(coveredBytes, 0, coveredBytes.length); byte[] message = new byte[digest.getDigestSize()]; digest.doFinal(message, 0); return signer.verifySignature(message, r, s); } catch (IOException e) { return Boolean.FALSE; } } return null; }
From source file:org.openconcerto.modules.finance.payment.ebics.crypto.X509CertificateGenerator.java
License:Open Source License
/** * This method implements the public one, but offers an additional parameter which is only used * when creating a new CA, namely the export alias to use. * /* ww w . ja va 2 s . c om*/ * @param commonName @see #createCertificate(String, int, String, String) * @param validityDays @see #createCertificate(String, int, String, String) * @param exportFile @see #createCertificate(String, int, String, String) * @param exportPassword @see #createCertificate(String, int, String, String) * @param exportAlias If this additional parameter is null, a default value will be used as the * "friendly name" in the PKCS12 file. * @return @see #createCertificate(String, int, String, String) * * @see #X509CertificateGenerator(boolean) */ protected boolean createCertificate(String commonName, int validityDays, String exportFile, String exportPassword, String exportAlias) throws IOException, InvalidKeyException, SecurityException, SignatureException, NoSuchAlgorithmException, DataLengthException, CryptoException, KeyStoreException, CertificateException, InvalidKeySpecException { if (commonName == null || exportFile == null || exportPassword == null || validityDays < 1) { throw new IllegalArgumentException("Can not work with null parameter"); } System.out.println("Generating certificate for distinguished common subject name '" + commonName + "', valid for " + validityDays + " days"); SecureRandom sr = new SecureRandom(); // the JCE representation PublicKey pubKey; PrivateKey privKey; // the BCAPI representation RSAPrivateCrtKeyParameters privateKey = null; System.out.println("Creating RSA keypair"); // generate the keypair for the new certificate RSAKeyPairGenerator gen = new RSAKeyPairGenerator(); // TODO: what are these values?? gen.init(new RSAKeyGenerationParameters(BigInteger.valueOf(0x10001), sr, 1024, 80)); AsymmetricCipherKeyPair keypair = gen.generateKeyPair(); System.out .println("Generated keypair, extracting components and creating public structure for certificate"); RSAKeyParameters publicKey = (RSAKeyParameters) keypair.getPublic(); privateKey = (RSAPrivateCrtKeyParameters) keypair.getPrivate(); // used to get proper encoding for the certificate RSAPublicKeyStructure pkStruct = new RSAPublicKeyStructure(publicKey.getModulus(), publicKey.getExponent()); System.out.println("New public key is '" + new String(Hex.encode(pkStruct.getEncoded())) + ", exponent=" + publicKey.getExponent() + ", modulus=" + publicKey.getModulus()); // TODO: these two lines should go away // JCE format needed for the certificate - because getEncoded() is necessary... pubKey = KeyFactory.getInstance("RSA") .generatePublic(new RSAPublicKeySpec(publicKey.getModulus(), publicKey.getExponent())); // and this one for the KeyStore privKey = KeyFactory.getInstance("RSA") .generatePrivate(new RSAPrivateCrtKeySpec(publicKey.getModulus(), publicKey.getExponent(), privateKey.getExponent(), privateKey.getP(), privateKey.getQ(), privateKey.getDP(), privateKey.getDQ(), privateKey.getQInv())); Calendar expiry = Calendar.getInstance(); expiry.add(Calendar.DAY_OF_YEAR, validityDays); X500Name x509Name = new X500Name("CN=" + commonName); V3TBSCertificateGenerator certGen = new V3TBSCertificateGenerator(); certGen.setSerialNumber(new DERInteger(BigInteger.valueOf(System.currentTimeMillis()))); if (caCert != null) { // Attention: this is a catch! Just using // "new X509Name(caCert.getSubjectDN().getName())" will not work! // I don't know why, because the issuerDN strings look similar with both versions. certGen.setIssuer(PrincipalUtil.getSubjectX509Principal(caCert)); } else { // aha, no CA set, which means that we should create a self-signed certificate (called // from createCA) certGen.setIssuer(x509Name); } certGen.setSubject(x509Name); // TODO GM: DERObjectIdentifier sigOID = PKCSObjectIdentifiers.sha1WithRSAEncryption;// DERObjectIdentifier. // X509Util.getAlgorithmOID(CertificateSignatureAlgorithm); AlgorithmIdentifier sigAlgId = new AlgorithmIdentifier(sigOID, new DERNull()); certGen.setSignature(sigAlgId); // certGen.setSubjectPublicKeyInfo(new SubjectPublicKeyInfo(sigAlgId, // pkStruct.toASN1Object())); // TODO: why does the coding above not work? - make me work without PublicKey class certGen.setSubjectPublicKeyInfo(new SubjectPublicKeyInfo( (ASN1Sequence) new ASN1InputStream(new ByteArrayInputStream(pubKey.getEncoded())).readObject())); certGen.setStartDate(new Time(new Date(System.currentTimeMillis()))); certGen.setEndDate(new Time(expiry.getTime())); // These X509v3 extensions are not strictly necessary, but be nice and provide them... Hashtable extensions = new Hashtable(); Vector extOrdering = new Vector(); addExtensionHelper(X509Extension.subjectKeyIdentifier, false, new SubjectKeyIdentifierStructure(pubKey), extOrdering, extensions); if (caCert != null) { // again: only if we have set CA addExtensionHelper(X509Extension.authorityKeyIdentifier, false, new AuthorityKeyIdentifierStructure(caCert), extOrdering, extensions); } else { // but if we create a new self-signed cert, set its capability to be a CA // this is a critical extension (true)! addExtensionHelper(X509Extension.basicConstraints, true, new BasicConstraints(0), extOrdering, extensions); } certGen.setExtensions(new X509Extensions(extOrdering, extensions)); System.out.println("Certificate structure generated, creating SHA1 digest"); // attention: hard coded to be SHA1+RSA! SHA1Digest digester = new SHA1Digest(); AsymmetricBlockCipher rsa = new PKCS1Encoding(new RSAEngine()); TBSCertificateStructure tbsCert = certGen.generateTBSCertificate(); ByteArrayOutputStream bOut = new ByteArrayOutputStream(); DEROutputStream dOut = new DEROutputStream(bOut); dOut.writeObject(tbsCert); // and now sign byte[] signature; byte[] certBlock = bOut.toByteArray(); // first create digest System.out.println("Block to sign is '" + new String(Hex.encode(certBlock)) + "'"); digester.update(certBlock, 0, certBlock.length); byte[] hash = new byte[digester.getDigestSize()]; digester.doFinal(hash, 0); // and sign that if (caCert != null) { rsa.init(true, caPrivateKey); } else { // no CA - self sign System.out.println("No CA has been set, creating self-signed certificate as a new CA"); rsa.init(true, privateKey); } DigestInfo dInfo = new DigestInfo(new AlgorithmIdentifier(X509ObjectIdentifiers.id_SHA1, null), hash); byte[] digest = dInfo.getEncoded(ASN1Encodable.DER); signature = rsa.processBlock(digest, 0, digest.length); System.out.println("SHA1/RSA signature of digest is '" + new String(Hex.encode(signature)) + "'"); // and finally construct the certificate structure ASN1EncodableVector v = new ASN1EncodableVector(); v.add(tbsCert); v.add(sigAlgId); v.add(new DERBitString(signature)); X509CertificateObject clientCert = new X509CertificateObject( new X509CertificateStructure(new DERSequence(v))); System.out.println("Verifying certificate for correct signature with CA public key"); /* * if (caCert != null) { clientCert.verify(caCert.getPublicKey()); } else { * clientCert.verify(pubKey); } */ // and export as PKCS12 formatted file along with the private key and the CA certificate System.out.println("Exporting certificate in PKCS12 format"); PKCS12BagAttributeCarrier bagCert = clientCert; // if exportAlias is set, use that, otherwise a default name bagCert.setBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_friendlyName, new DERBMPString(exportAlias == null ? CertificateExportFriendlyName : exportAlias)); bagCert.setBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_localKeyId, new SubjectKeyIdentifierStructure(pubKey)); // this does not work as in the example /* * PKCS12BagAttributeCarrier bagKey = (PKCS12BagAttributeCarrier)privKey; * bagKey.setBagAttribute( PKCSObjectIdentifiers.pkcs_9_at_localKeyId, new * SubjectKeyIdentifierStructure(tmpKey)); */ JDKPKCS12KeyStore store; store = new JDKPKCS12KeyStore.BCPKCS12KeyStore(); store.engineLoad(null, null); FileOutputStream fOut = new FileOutputStream(exportFile); X509Certificate[] chain; if (caCert != null) { chain = new X509Certificate[2]; // first the client, then the CA certificate - this is the expected order for a // certificate chain chain[0] = clientCert; chain[1] = caCert; } else { // for a self-signed certificate, there is no chain... chain = new X509Certificate[1]; chain[0] = clientCert; } store.engineSetKeyEntry(exportAlias == null ? KeyExportFriendlyName : exportAlias, privKey, exportPassword.toCharArray(), chain); store.engineStore(fOut, exportPassword.toCharArray()); return true; }
From source file:org.openuat.channel.X509CertificateGenerator.java
License:Open Source License
/** This method implements the public one, but offers an additional parameter which is only used when * creating a new CA, namely the export alias to use. * @param commonName @see #createCertificate(String, int, String, String) * @param validityDays @see #createCertificate(String, int, String, String) * @param exportFile @see #createCertificate(String, int, String, String) * @param exportPassword @see #createCertificate(String, int, String, String) * @param exportAlias If this additional parameter is null, a default value will be used as the "friendly name" in the PKCS12 file. * @return @see #createCertificate(String, int, String, String) * //from www . j av a2 s . co m * @see #X509CertificateGenerator(boolean) */ protected boolean createCertificate(String commonName, int validityDays, String exportFile, String exportPassword, String exportAlias) throws IOException, InvalidKeyException, SecurityException, SignatureException, NoSuchAlgorithmException, DataLengthException, CryptoException, KeyStoreException, CertificateException, InvalidKeySpecException { if (commonName == null || exportFile == null || exportPassword == null || validityDays < 1) { throw new IllegalArgumentException("Can not work with null parameter"); } logger.info("Generating certificate for distinguished common subject name '" + commonName + "', valid for " + validityDays + " days"); SecureRandom sr = new SecureRandom(); // the JCE representation PublicKey pubKey; PrivateKey privKey; // the BCAPI representation RSAPrivateCrtKeyParameters privateKey = null; logger.debug("Creating RSA keypair"); // generate the keypair for the new certificate if (useBCAPI) { RSAKeyPairGenerator gen = new RSAKeyPairGenerator(); // TODO: what are these values?? gen.init(new RSAKeyGenerationParameters(BigInteger.valueOf(0x10001), sr, 1024, 80)); AsymmetricCipherKeyPair keypair = gen.generateKeyPair(); logger.debug("Generated keypair, extracting components and creating public structure for certificate"); RSAKeyParameters publicKey = (RSAKeyParameters) keypair.getPublic(); privateKey = (RSAPrivateCrtKeyParameters) keypair.getPrivate(); // used to get proper encoding for the certificate RSAPublicKeyStructure pkStruct = new RSAPublicKeyStructure(publicKey.getModulus(), publicKey.getExponent()); logger.debug("New public key is '" + new String(Hex.encodeHex(pkStruct.getEncoded())) + ", exponent=" + publicKey.getExponent() + ", modulus=" + publicKey.getModulus()); // TODO: these two lines should go away // JCE format needed for the certificate - because getEncoded() is necessary... pubKey = KeyFactory.getInstance("RSA") .generatePublic(new RSAPublicKeySpec(publicKey.getModulus(), publicKey.getExponent())); // and this one for the KeyStore privKey = KeyFactory.getInstance("RSA") .generatePrivate(new RSAPrivateCrtKeySpec(publicKey.getModulus(), publicKey.getExponent(), privateKey.getExponent(), privateKey.getP(), privateKey.getQ(), privateKey.getDP(), privateKey.getDQ(), privateKey.getQInv())); } else { // this is the JSSE way of key generation KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA"); keyGen.initialize(1024, sr); KeyPair keypair = keyGen.generateKeyPair(); privKey = keypair.getPrivate(); pubKey = keypair.getPublic(); } Calendar expiry = Calendar.getInstance(); expiry.add(Calendar.DAY_OF_YEAR, validityDays); X509Name x509Name = new X509Name("CN=" + commonName); V3TBSCertificateGenerator certGen = new V3TBSCertificateGenerator(); certGen.setSerialNumber(new DERInteger(BigInteger.valueOf(System.currentTimeMillis()))); if (caCert != null) { // Attention: this is a catch! Just using "new X509Name(caCert.getSubjectDN().getName())" will not work! // I don't know why, because the issuerDN strings look similar with both versions. certGen.setIssuer(PrincipalUtil.getSubjectX509Principal(caCert)); } else { // aha, no CA set, which means that we should create a self-signed certificate (called from createCA) certGen.setIssuer(x509Name); } certGen.setSubject(x509Name); DERObjectIdentifier sigOID = X509Util.getAlgorithmOID(CertificateSignatureAlgorithm); AlgorithmIdentifier sigAlgId = new AlgorithmIdentifier(sigOID, new DERNull()); certGen.setSignature(sigAlgId); //certGen.setSubjectPublicKeyInfo(new SubjectPublicKeyInfo(sigAlgId, pkStruct.toASN1Object())); // TODO: why does the coding above not work? - make me work without PublicKey class certGen.setSubjectPublicKeyInfo(new SubjectPublicKeyInfo( (ASN1Sequence) new ASN1InputStream(new ByteArrayInputStream(pubKey.getEncoded())).readObject())); certGen.setStartDate(new Time(new Date(System.currentTimeMillis()))); certGen.setEndDate(new Time(expiry.getTime())); // These X509v3 extensions are not strictly necessary, but be nice and provide them... Hashtable extensions = new Hashtable(); Vector extOrdering = new Vector(); addExtensionHelper(X509Extensions.SubjectKeyIdentifier, false, new SubjectKeyIdentifierStructure(pubKey), extOrdering, extensions); if (caCert != null) { // again: only if we have set CA addExtensionHelper(X509Extensions.AuthorityKeyIdentifier, false, new AuthorityKeyIdentifierStructure(caCert), extOrdering, extensions); } else { // but if we create a new self-signed cert, set its capability to be a CA // this is a critical extension (true)! addExtensionHelper(X509Extensions.BasicConstraints, true, new BasicConstraints(0), extOrdering, extensions); } certGen.setExtensions(new X509Extensions(extOrdering, extensions)); logger.debug("Certificate structure generated, creating SHA1 digest"); // attention: hard coded to be SHA1+RSA! SHA1Digest digester = new SHA1Digest(); AsymmetricBlockCipher rsa = new PKCS1Encoding(new RSAEngine()); TBSCertificateStructure tbsCert = certGen.generateTBSCertificate(); ByteArrayOutputStream bOut = new ByteArrayOutputStream(); DEROutputStream dOut = new DEROutputStream(bOut); dOut.writeObject(tbsCert); // and now sign byte[] signature; if (useBCAPI) { byte[] certBlock = bOut.toByteArray(); // first create digest logger.debug("Block to sign is '" + new String(Hex.encodeHex(certBlock)) + "'"); digester.update(certBlock, 0, certBlock.length); byte[] hash = new byte[digester.getDigestSize()]; digester.doFinal(hash, 0); // and sign that if (caCert != null) { rsa.init(true, caPrivateKey); } else { // no CA - self sign logger.info("No CA has been set, creating self-signed certificate as a new CA"); rsa.init(true, privateKey); } DigestInfo dInfo = new DigestInfo(new AlgorithmIdentifier(X509ObjectIdentifiers.id_SHA1, null), hash); byte[] digest = dInfo.getEncoded(ASN1Encodable.DER); signature = rsa.processBlock(digest, 0, digest.length); } else { // or the JCE way Signature sig = Signature.getInstance(sigOID.getId()); if (caCert != null) { PrivateKey caPrivKey = KeyFactory.getInstance("RSA") .generatePrivate(new RSAPrivateCrtKeySpec(caPrivateKey.getModulus(), caPrivateKey.getPublicExponent(), caPrivateKey.getExponent(), caPrivateKey.getP(), caPrivateKey.getQ(), caPrivateKey.getDP(), caPrivateKey.getDQ(), caPrivateKey.getQInv())); sig.initSign(caPrivKey, sr); } else { logger.info("No CA has been set, creating self-signed certificate as a new CA"); sig.initSign(privKey, sr); } sig.update(bOut.toByteArray()); signature = sig.sign(); } logger.debug("SHA1/RSA signature of digest is '" + new String(Hex.encodeHex(signature)) + "'"); // and finally construct the certificate structure ASN1EncodableVector v = new ASN1EncodableVector(); v.add(tbsCert); v.add(sigAlgId); v.add(new DERBitString(signature)); X509CertificateObject clientCert = new X509CertificateObject( new X509CertificateStructure(new DERSequence(v))); logger.debug("Verifying certificate for correct signature with CA public key"); /* if (caCert != null) { clientCert.verify(caCert.getPublicKey()); } else { clientCert.verify(pubKey); }*/ // and export as PKCS12 formatted file along with the private key and the CA certificate logger.debug("Exporting certificate in PKCS12 format"); PKCS12BagAttributeCarrier bagCert = clientCert; // if exportAlias is set, use that, otherwise a default name bagCert.setBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_friendlyName, new DERBMPString(exportAlias == null ? CertificateExportFriendlyName : exportAlias)); bagCert.setBagAttribute(PKCSObjectIdentifiers.pkcs_9_at_localKeyId, new SubjectKeyIdentifierStructure(pubKey)); // this does not work as in the example /*PKCS12BagAttributeCarrier bagKey = (PKCS12BagAttributeCarrier)privKey; bagKey.setBagAttribute( PKCSObjectIdentifiers.pkcs_9_at_localKeyId, new SubjectKeyIdentifierStructure(tmpKey));*/ Object store; if (!useBCAPI) { store = java.security.KeyStore.getInstance("PKCS12"); ((java.security.KeyStore) store).load(null, null); } else { store = new JDKPKCS12KeyStore(null, sigOID, sigOID); ((JDKPKCS12KeyStore) store).engineLoad(null, null); } FileOutputStream fOut = new FileOutputStream(exportFile); X509Certificate[] chain; if (caCert != null) { chain = new X509Certificate[2]; // first the client, then the CA certificate - this is the expected order for a certificate chain chain[0] = clientCert; chain[1] = caCert; } else { // for a self-signed certificate, there is no chain... chain = new X509Certificate[1]; chain[0] = clientCert; } if (!useBCAPI) { ((java.security.KeyStore) store).setKeyEntry(exportAlias == null ? KeyExportFriendlyName : exportAlias, privKey, exportPassword.toCharArray(), chain); ((java.security.KeyStore) store).store(fOut, exportPassword.toCharArray()); } else { ((JDKPKCS12KeyStore) store).engineSetKeyEntry(exportAlias == null ? KeyExportFriendlyName : exportAlias, privKey, exportPassword.toCharArray(), chain); ((JDKPKCS12KeyStore) store).engineStore(fOut, exportPassword.toCharArray()); } return true; }
From source file:org.xwiki.mail.ExtendedMimeMessage.java
License:Open Source License
private String digest(String data) { SHA1Digest digest = SHA1_DIGEST.get(); if (digest == null) { digest = new SHA1Digest(); SHA1_DIGEST.set(new SHA1Digest()); }/* ww w .jav a 2 s . c om*/ byte[] bytes = data.getBytes(); digest.update(bytes, 0, bytes.length); byte[] dig = new byte[digest.getDigestSize()]; digest.doFinal(dig, 0); return Base64.toBase64String(dig); }
From source file:TorJava.Common.Encryption.java
License:Open Source License
/** * returns the hash of the input/*from ww w . j ava2 s .c o m*/ * * */ public static byte[] getHash(byte[] input) { SHA1Digest sha1 = new SHA1Digest(); sha1.reset(); sha1.update(input, 0, input.length); byte[] hash = new byte[sha1.getDigestSize()]; sha1.doFinal(hash, 0); return hash; }