List of usage examples for org.bouncycastle.asn1.x509 DSAParameter getQ
public BigInteger getQ()
From source file:org.jruby.ext.openssl.impl.pem.MiscPEMGenerator.java
License:Open Source License
private PemObject createPemObject(Object o) throws IOException { String type;/*from w ww . ja v a 2 s . c o m*/ byte[] encoding; if (o instanceof PemObject) { return (PemObject) o; } if (o instanceof PemObjectGenerator) { return ((PemObjectGenerator) o).generate(); } if (o instanceof X509CertificateHolder) { type = "CERTIFICATE"; encoding = ((X509CertificateHolder) o).getEncoded(); } else if (o instanceof X509CRLHolder) { type = "X509 CRL"; encoding = ((X509CRLHolder) o).getEncoded(); } else if (o instanceof PrivateKeyInfo) { PrivateKeyInfo info = (PrivateKeyInfo) o; ASN1ObjectIdentifier algOID = info.getPrivateKeyAlgorithm().getAlgorithm(); if (algOID.equals(PKCSObjectIdentifiers.rsaEncryption)) { type = "RSA PRIVATE KEY"; encoding = info.parsePrivateKey().toASN1Primitive().getEncoded(); } else if (algOID.equals(dsaOids[0]) || algOID.equals(dsaOids[1])) { type = "DSA PRIVATE KEY"; DSAParameter p = DSAParameter.getInstance(info.getPrivateKeyAlgorithm().getParameters()); ASN1EncodableVector v = new ASN1EncodableVector(); v.add(new ASN1Integer(BigInteger.ZERO)); v.add(new ASN1Integer(p.getP())); v.add(new ASN1Integer(p.getQ())); v.add(new ASN1Integer(p.getG())); BigInteger x = ASN1Integer.getInstance(info.parsePrivateKey()).getValue(); BigInteger y = p.getG().modPow(x, p.getP()); v.add(new ASN1Integer(y)); v.add(new ASN1Integer(x)); encoding = new DERSequence(v).getEncoded(); } else if (algOID.equals(X9ObjectIdentifiers.id_ecPublicKey)) { type = "EC PRIVATE KEY"; encoding = info.parsePrivateKey().toASN1Primitive().getEncoded(); } else { throw new IOException("Cannot identify private key"); } } else if (o instanceof SubjectPublicKeyInfo) { type = "PUBLIC KEY"; encoding = ((SubjectPublicKeyInfo) o).getEncoded(); } else if (o instanceof X509AttributeCertificateHolder) { type = "ATTRIBUTE CERTIFICATE"; encoding = ((X509AttributeCertificateHolder) o).getEncoded(); } else if (o instanceof PKCS10CertificationRequest) { type = "CERTIFICATE REQUEST"; encoding = ((PKCS10CertificationRequest) o).getEncoded(); } else if (o instanceof ContentInfo) { type = "PKCS7"; encoding = ((ContentInfo) o).getEncoded(); } // // NOTE: added behaviour to provide backwards compatibility with 1.47 : // else if (o instanceof java.security.cert.X509Certificate) // 1.47 compatibility { type = "CERTIFICATE"; try { encoding = ((java.security.cert.X509Certificate) o).getEncoded(); } catch (CertificateEncodingException e) { throw new PemGenerationException("Cannot encode object: " + e.toString()); } } else if (o instanceof java.security.cert.X509CRL) // 1.47 compatibility { type = "X509 CRL"; try { encoding = ((java.security.cert.X509CRL) o).getEncoded(); } catch (CRLException e) { throw new PemGenerationException("Cannot encode object: " + e.toString()); } } else if (o instanceof java.security.KeyPair) // 1.47 compatibility { return createPemObject(((java.security.KeyPair) o).getPrivate()); } else if (o instanceof java.security.PrivateKey) // 1.47 compatibility { PrivateKeyInfo info = new PrivateKeyInfo( (ASN1Sequence) ASN1Primitive.fromByteArray(((java.security.Key) o).getEncoded())); if (o instanceof java.security.interfaces.RSAPrivateKey) { type = "RSA PRIVATE KEY"; encoding = info.parsePrivateKey().toASN1Primitive().getEncoded(); } else if (o instanceof java.security.interfaces.DSAPrivateKey) { type = "DSA PRIVATE KEY"; DSAParameter p = DSAParameter.getInstance(info.getPrivateKeyAlgorithm().getParameters()); ASN1EncodableVector v = new ASN1EncodableVector(); v.add(new DERInteger(0)); v.add(new DERInteger(p.getP())); v.add(new DERInteger(p.getQ())); v.add(new DERInteger(p.getG())); BigInteger x = ((java.security.interfaces.DSAPrivateKey) o).getX(); BigInteger y = p.getG().modPow(x, p.getP()); v.add(new DERInteger(y)); v.add(new DERInteger(x)); encoding = new DERSequence(v).getEncoded(); } else if (((java.security.PrivateKey) o).getAlgorithm().equals("ECDSA")) { type = "EC PRIVATE KEY"; encoding = info.parsePrivateKey().toASN1Primitive().getEncoded(); } else { throw new IOException("Cannot identify private key"); } } else if (o instanceof java.security.PublicKey) // 1.47 compatibility { type = "PUBLIC KEY"; encoding = ((java.security.PublicKey) o).getEncoded(); } else if (o instanceof X509AttributeCertificate) // 1.47 compatibility { type = "ATTRIBUTE CERTIFICATE"; encoding = ((X509AttributeCertificate) o).getEncoded(); } // // // else { throw new PemGenerationException("unknown object passed - can't encode."); } if (encryptor != null) // NEW STUFF (NOT IN OLD) { String dekAlgName = Strings.toUpperCase(encryptor.getAlgorithm()); // Note: For backward compatibility if (dekAlgName.equals("DESEDE")) { dekAlgName = "DES-EDE3-CBC"; } byte[] iv = encryptor.getIV(); byte[] encData = encryptor.encrypt(encoding); List<PemHeader> headers = new ArrayList<PemHeader>(2); headers.add(new PemHeader("Proc-Type", "4,ENCRYPTED")); headers.add(new PemHeader("DEK-Info", dekAlgName + "," + getHexEncoded(iv))); return new PemObject(type, headers, encData); } return new PemObject(type, encoding); }
From source file:org.jruby.ext.openssl.x509store.BouncyCastleASN1FormatHandler.java
License:LGPL
@Override public void writeDSAPrivateKey(Writer _out, DSAPrivateKey obj, String algo, char[] f) throws IOException { BufferedWriter out = makeBuffered(_out); ByteArrayInputStream bIn = new ByteArrayInputStream(getEncoded(obj)); ASN1InputStream aIn = new ASN1InputStream(bIn); PrivateKeyInfo info = new PrivateKeyInfo((ASN1Sequence) aIn.readObject()); ByteArrayOutputStream bOut = new ByteArrayOutputStream(); ASN1OutputStream aOut = new ASN1OutputStream(bOut); DSAParameter p = DSAParameter.getInstance(info.getAlgorithmId().getParameters()); ASN1EncodableVector v = new ASN1EncodableVector(); v.add(new DERInteger(0)); v.add(new DERInteger(p.getP())); v.add(new DERInteger(p.getQ())); v.add(new DERInteger(p.getG())); BigInteger x = obj.getX();/*w w w.jav a 2s .c o m*/ BigInteger y = p.getG().modPow(x, p.getP()); v.add(new DERInteger(y)); v.add(new DERInteger(x)); aOut.writeObject(new DERSequence(v)); byte[] encoding = bOut.toByteArray(); if (algo != null && f != null) { byte[] salt = new byte[8]; byte[] encData = null; random.nextBytes(salt); OpenSSLPBEParametersGenerator pGen = new OpenSSLPBEParametersGenerator(); pGen.init(PBEParametersGenerator.PKCS5PasswordToBytes(f), salt); SecretKey secretKey = null; if (algo.equalsIgnoreCase("DESede/CBC/PKCS5Padding")) { // generate key int keyLength = 24; KeyParameter param = (KeyParameter) pGen.generateDerivedParameters(keyLength * 8); secretKey = new SecretKeySpec(param.getKey(), "DESede"); } else { throw new IOException("unknown algorithm in write_DSAPrivateKey: " + algo); } // cipher try { Cipher c = Cipher.getInstance("DESede/CBC/PKCS5Padding"); c.init(Cipher.ENCRYPT_MODE, secretKey, new IvParameterSpec(salt)); encData = c.doFinal(encoding); } catch (Exception e) { throw new IOException("exception using cipher: " + e.toString()); } // write the data out.write(BEF_G + PEM_STRING_DSA + AFT); out.newLine(); out.write("Proc-Type: 4,ENCRYPTED"); out.newLine(); out.write("DEK-Info: DES-EDE3-CBC,"); writeHexEncoded(out, salt); out.newLine(); out.newLine(); writeEncoded(out, encData); out.write(BEF_E + PEM_STRING_DSA + AFT); out.flush(); } else { out.write(BEF_G + PEM_STRING_DSA + AFT); out.newLine(); writeEncoded(out, encoding); out.write(BEF_E + PEM_STRING_DSA + AFT); out.newLine(); out.flush(); } }
From source file:org.jruby.ext.openssl.x509store.PEMInputOutput.java
License:LGPL
public static void writeDSAPrivateKey(Writer _out, DSAPrivateKey obj, CipherSpec cipher, char[] passwd) throws IOException { BufferedWriter out = makeBuffered(_out); PrivateKeyInfo info = new PrivateKeyInfo((ASN1Sequence) new ASN1InputStream(getEncoded(obj)).readObject()); ByteArrayOutputStream bOut = new ByteArrayOutputStream(); ASN1OutputStream aOut = new ASN1OutputStream(bOut); DSAParameter p = DSAParameter.getInstance(info.getPrivateKeyAlgorithm().getParameters()); ASN1EncodableVector v = new ASN1EncodableVector(); v.add(new ASN1Integer(0)); v.add(new ASN1Integer(p.getP())); v.add(new ASN1Integer(p.getQ())); v.add(new ASN1Integer(p.getG())); BigInteger x = obj.getX();/* ww w . jav a 2 s. c om*/ BigInteger y = p.getG().modPow(x, p.getP()); v.add(new ASN1Integer(y)); v.add(new ASN1Integer(x)); aOut.writeObject(new DLSequence(v)); byte[] encoding = bOut.toByteArray(); if (cipher != null && passwd != null) { writePemEncrypted(out, PEM_STRING_DSA, encoding, cipher, passwd); } else { writePemPlain(out, PEM_STRING_DSA, encoding); } }
From source file:org.usrz.libs.crypto.pem.PEMFactory.java
License:Apache License
public PrivateKey getPrivateKey(PrivateKeyInfo keyInfo) throws NoSuchAlgorithmException, InvalidKeyException, InvalidKeySpecException { final Object algorithmId = keyInfo.getPrivateKeyAlgorithm().getAlgorithm(); final ASN1Encodable encodable; try {// ww w .j a v a 2s .com encodable = keyInfo.parsePrivateKey(); } catch (IOException exception) { throw new InvalidKeyException("Unable to parse private key structure", exception); } /* DSA keys */ if (algorithmId.equals(X9ObjectIdentifiers.id_dsa)) { final ASN1Encodable encodedParams = keyInfo.getPrivateKeyAlgorithm().getParameters(); final DSAParameter params = DSAParameter.getInstance(encodedParams); final BigInteger x = ASN1Integer.getInstance(encodable).getValue(); return getDSAKeyFactory() .generatePrivate(new DSAPrivateKeySpec(x, params.getP(), params.getQ(), params.getG())); } /* RSA keys */ if (algorithmId.equals(PKCSObjectIdentifiers.rsaEncryption)) { final RSAPrivateKey privateKey = RSAPrivateKey.getInstance(encodable); return getRSAKeyFactory().generatePrivate( new RSAPrivateCrtKeySpec(privateKey.getModulus(), privateKey.getPublicExponent(), privateKey.getPrivateExponent(), privateKey.getPrime1(), privateKey.getPrime2(), privateKey.getExponent1(), privateKey.getExponent2(), privateKey.getCoefficient())); } /* Others? */ throw new NoSuchAlgorithmException("Unsupported algorithm for private key: " + algorithmId); }