Example usage for org.bouncycastle.asn1.pkcs RSAPrivateKey getCoefficient

Introduction

In this page you can find the example usage for org.bouncycastle.asn1.pkcs RSAPrivateKey getCoefficient.

Prototype

public BigInteger getCoefficient() 

Source Link

Usage

From source file:com.foilen.smalltools.crypt.bouncycastle.asymmetric.RSACrypt.java

License:Open Source License

@Override
public AsymmetricKeys loadKeysPemFromString(String... pems) {
    RSAKeyDetails keyDetails = new RSAKeyDetails();
    PemReader reader = null;/*  w  w  w.  j a  v  a 2 s .c om*/
    try {
        for (String pem : pems) {
            if (pem == null) {
                continue;
            }
            reader = new PemReader(new StringReader(pem));
            PemObject pemObject;
            while ((pemObject = reader.readPemObject()) != null) {
                switch (pemObject.getType()) {
                case "RSA PRIVATE KEY":
                    RSAPrivateKey rsaPrivateKey = RSAPrivateKey.getInstance(pemObject.getContent());
                    keyDetails.setModulus(rsaPrivateKey.getModulus());
                    keyDetails.setPrivateExponent(rsaPrivateKey.getPrivateExponent());
                    keyDetails.setPublicExponent(rsaPrivateKey.getPublicExponent());

                    if (CollectionsTools.isAnyItemNotNull(rsaPrivateKey.getPrime1(), rsaPrivateKey.getPrime2(),
                            rsaPrivateKey.getExponent1(), rsaPrivateKey.getExponent2(),
                            rsaPrivateKey.getCoefficient())) {
                        keyDetails.setCrt(true);
                        keyDetails.setPrimeP(rsaPrivateKey.getPrime1());
                        keyDetails.setPrimeQ(rsaPrivateKey.getPrime2());
                        keyDetails.setPrimeExponentP(rsaPrivateKey.getExponent1());
                        keyDetails.setPrimeExponentQ(rsaPrivateKey.getExponent2());
                        keyDetails.setCrtCoefficient(rsaPrivateKey.getCoefficient());
                    }
                    break;
                case "PUBLIC KEY":
                    KeyFactory kf = KeyFactory.getInstance("RSA");
                    X509EncodedKeySpec keySpec = new X509EncodedKeySpec(pemObject.getContent());
                    RSAPublicKey rsaPublicKey = (RSAPublicKey) kf.generatePublic(keySpec);
                    keyDetails.setModulus(rsaPublicKey.getModulus());
                    keyDetails.setPublicExponent(rsaPublicKey.getPublicExponent());
                    break;
                }
            }
        }
        return createKeyPair(keyDetails);
    } catch (Exception e) {
        throw new SmallToolsException("Problem loading the keys", e);
    } finally {
        CloseableTools.close(reader);
    }
}

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From source file:io.apigee.trireme.crypto.algorithms.RsaKeyPairProvider.java

License:Open Source License

private KeyPair convertKeyPair(PEMKeyPair kp) throws CryptoException, IOException {
    RSAPrivateKey rsa = RSAPrivateKey.getInstance(kp.getPrivateKeyInfo().parsePrivateKey());

    try {/*  w ww  .  j  av  a 2 s .c o m*/
        KeyFactory factory = KeyFactory.getInstance("RSA");

        RSAPublicKeySpec pubSpec = new RSAPublicKeySpec(rsa.getModulus(), rsa.getPublicExponent());
        PublicKey pub = factory.generatePublic(pubSpec);

        RSAPrivateCrtKeySpec keySpec = new RSAPrivateCrtKeySpec(rsa.getModulus(), rsa.getPublicExponent(),
                rsa.getPrivateExponent(), rsa.getPrime1(), rsa.getPrime2(), rsa.getExponent1(),
                rsa.getExponent2(), rsa.getCoefficient());
        PrivateKey key = factory.generatePrivate(keySpec);

        return new KeyPair(pub, key);

    } catch (GeneralSecurityException gse) {
        throw new CryptoException(gse);
    }
}

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From source file:io.apigee.trireme.crypto.RSAConverter.java

License:Open Source License

public static KeyPair convertKeyPair(PEMKeyPair kp) throws CryptoException, IOException {
    RSAPrivateKey rsa = RSAPrivateKey.getInstance(kp.getPrivateKeyInfo().parsePrivateKey());

    try {/* w  w  w.j  ava 2  s  .co  m*/
        KeyFactory factory = KeyFactory.getInstance("RSA");

        RSAPublicKeySpec pubSpec = new RSAPublicKeySpec(rsa.getModulus(), rsa.getPublicExponent());
        PublicKey pub = factory.generatePublic(pubSpec);

        RSAPrivateCrtKeySpec keySpec = new RSAPrivateCrtKeySpec(rsa.getModulus(), rsa.getPublicExponent(),
                rsa.getPrivateExponent(), rsa.getPrime1(), rsa.getPrime2(), rsa.getExponent1(),
                rsa.getExponent2(), rsa.getCoefficient());
        PrivateKey key = factory.generatePrivate(keySpec);

        return new KeyPair(pub, key);

    } catch (GeneralSecurityException gse) {
        throw new CryptoException(gse);
    }
}

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From source file:jazmin.server.relay.udp.webrtc.TlsUtils.java

License:Open Source License

static AsymmetricKeyParameter loadPrivateKeyResource(String resource) throws IOException {
    PemObject pem = loadPemResource(resource);
    if (pem.getType().endsWith("RSA PRIVATE KEY")) {
        RSAPrivateKey rsa = RSAPrivateKey.getInstance(pem.getContent());
        return new RSAPrivateCrtKeyParameters(rsa.getModulus(), rsa.getPublicExponent(),
                rsa.getPrivateExponent(), rsa.getPrime1(), rsa.getPrime2(), rsa.getExponent1(),
                rsa.getExponent2(), rsa.getCoefficient());
    }/*from   w w  w.  ja  v a 2s . c o  m*/
    if (pem.getType().endsWith("PRIVATE KEY")) {
        return PrivateKeyFactory.createKey(pem.getContent());
    }
    throw new IllegalArgumentException("'resource' doesn't specify a valid private key");
}

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From source file:org.cloudfoundry.identity.uaa.oauth.jwk.RsaJsonWebKeyTests.java

License:Open Source License

private KeyPair parseKeyPair(String pemData) {
    Matcher m = PEM_DATA.matcher(pemData.trim());

    if (!m.matches()) {
        throw new IllegalArgumentException("String is not PEM encoded data");
    }/*  www . jav a 2 s. com*/

    String type = m.group(1);
    final byte[] content = b64Decode(utf8Encode(m.group(2)));

    PublicKey publicKey;
    PrivateKey privateKey = null;

    try {
        KeyFactory fact = KeyFactory.getInstance("RSA");
        if (type.equals("RSA PRIVATE KEY")) {
            ASN1Sequence seq = ASN1Sequence.getInstance(content);
            if (seq.size() != 9) {
                throw new IllegalArgumentException("Invalid RSA Private Key ASN1 sequence.");
            }
            org.bouncycastle.asn1.pkcs.RSAPrivateKey key = org.bouncycastle.asn1.pkcs.RSAPrivateKey
                    .getInstance(seq);
            RSAPublicKeySpec pubSpec = new RSAPublicKeySpec(key.getModulus(), key.getPublicExponent());
            RSAPrivateCrtKeySpec privSpec = new RSAPrivateCrtKeySpec(key.getModulus(), key.getPublicExponent(),
                    key.getPrivateExponent(), key.getPrime1(), key.getPrime2(), key.getExponent1(),
                    key.getExponent2(), key.getCoefficient());
            publicKey = fact.generatePublic(pubSpec);
            privateKey = fact.generatePrivate(privSpec);
        } else if (type.equals("PUBLIC KEY")) {
            KeySpec keySpec = new X509EncodedKeySpec(content);
            publicKey = fact.generatePublic(keySpec);
        } else if (type.equals("RSA PUBLIC KEY")) {
            ASN1Sequence seq = ASN1Sequence.getInstance(content);
            org.bouncycastle.asn1.pkcs.RSAPublicKey key = org.bouncycastle.asn1.pkcs.RSAPublicKey
                    .getInstance(seq);
            RSAPublicKeySpec pubSpec = new RSAPublicKeySpec(key.getModulus(), key.getPublicExponent());
            publicKey = fact.generatePublic(pubSpec);
        } else {
            throw new IllegalArgumentException(type + " is not a supported format");
        }

        return new KeyPair(publicKey, privateKey);
    } catch (InvalidKeySpecException e) {
        throw new RuntimeException(e);
    } catch (NoSuchAlgorithmException e) {
        throw new IllegalStateException(e);
    }
}

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From source file:org.cloudfoundry.identity.uaa.oauth.SignerProvider.java

License:Open Source License

static KeyPair parseKeyPair(String pemData) {
    Matcher m = PEM_DATA.matcher(pemData.trim());

    if (!m.matches()) {
        throw new IllegalArgumentException("String is not PEM encoded data");
    }/*  w  w w .  j  a v  a2 s. com*/

    String type = m.group(1);
    final byte[] content = b64Decode(utf8Encode(m.group(2)));

    PublicKey publicKey;
    PrivateKey privateKey = null;

    try {
        KeyFactory fact = KeyFactory.getInstance("RSA");
        if (type.equals("RSA PRIVATE KEY")) {
            ASN1Sequence seq = ASN1Sequence.getInstance(content);
            if (seq.size() != 9) {
                throw new IllegalArgumentException("Invalid RSA Private Key ASN1 sequence.");
            }
            org.bouncycastle.asn1.pkcs.RSAPrivateKey key = org.bouncycastle.asn1.pkcs.RSAPrivateKey
                    .getInstance(seq);
            RSAPublicKeySpec pubSpec = new RSAPublicKeySpec(key.getModulus(), key.getPublicExponent());
            RSAPrivateCrtKeySpec privSpec = new RSAPrivateCrtKeySpec(key.getModulus(), key.getPublicExponent(),
                    key.getPrivateExponent(), key.getPrime1(), key.getPrime2(), key.getExponent1(),
                    key.getExponent2(), key.getCoefficient());
            publicKey = fact.generatePublic(pubSpec);
            privateKey = fact.generatePrivate(privSpec);
        } else if (type.equals("PUBLIC KEY")) {
            KeySpec keySpec = new X509EncodedKeySpec(content);
            publicKey = fact.generatePublic(keySpec);
        } else if (type.equals("RSA PUBLIC KEY")) {
            ASN1Sequence seq = ASN1Sequence.getInstance(content);
            org.bouncycastle.asn1.pkcs.RSAPublicKey key = org.bouncycastle.asn1.pkcs.RSAPublicKey
                    .getInstance(seq);
            RSAPublicKeySpec pubSpec = new RSAPublicKeySpec(key.getModulus(), key.getPublicExponent());
            publicKey = fact.generatePublic(pubSpec);
        } else {
            throw new IllegalArgumentException(type + " is not a supported format");
        }

        return new KeyPair(publicKey, privateKey);
    } catch (InvalidKeySpecException e) {
        throw new RuntimeException(e);
    } catch (NoSuchAlgorithmException e) {
        throw new IllegalStateException(e);
    }
}

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From source file:org.opcfoundation.ua.transport.security.BcCryptoProvider.java

License:Open Source License

private AsymmetricBlockCipher getAsymmetricCipher(SecurityAlgorithm algorithm, RSAPrivateKey privateKey)
        throws ServiceResultException {
    CipherParameters params = new RSAPrivateCrtKeyParameters(privateKey.getModulus(),
            privateKey.getPublicExponent(), privateKey.getPrivateExponent(), privateKey.getPrime1(),
            privateKey.getPrime2(), privateKey.getExponent1(), privateKey.getExponent2(),
            privateKey.getCoefficient());
    return getAsymmetricCipher(false, algorithm, params);
}

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From source file:org.opcfoundation.ua.transport.security.BcCryptoProvider.java

License:Open Source License

private Signer getAsymmetricSigner(boolean forSigning, SecurityAlgorithm algorithm, RSAPrivateKey privateKey)
        throws ServiceResultException {

    CipherParameters params = new RSAPrivateCrtKeyParameters(privateKey.getModulus(),
            privateKey.getPublicExponent(), privateKey.getPrivateExponent(), privateKey.getPrime1(),
            privateKey.getPrime2(), privateKey.getExponent1(), privateKey.getExponent2(),
            privateKey.getCoefficient());
    return getAsymmetricSigner(forSigning, algorithm, params);

}

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From source file:org.restcomm.sbc.media.dtls.TlsUtils.java

License:Open Source License

static AsymmetricKeyParameter loadPrivateKeyResource(String resource) throws IOException {
    PemObject pem = loadPemResource(resource);
    if (LOGGER.isTraceEnabled()) {
        LOGGER.trace("load Private key =" + resource);
        LOGGER.trace("type             =" + pem.getType());
    }/*from www. j  av  a 2 s. c  o m*/
    if (pem.getType().endsWith("RSA PRIVATE KEY")) {
        RSAPrivateKey rsa = RSAPrivateKey.getInstance(pem.getContent());
        return new RSAPrivateCrtKeyParameters(rsa.getModulus(), rsa.getPublicExponent(),
                rsa.getPrivateExponent(), rsa.getPrime1(), rsa.getPrime2(), rsa.getExponent1(),
                rsa.getExponent2(), rsa.getCoefficient());
    }
    if (pem.getType().endsWith("PRIVATE KEY")) {
        AsymmetricKeyParameter pKey = PrivateKeyFactory.createKey(pem.getContent());
        if (LOGGER.isTraceEnabled()) {
            LOGGER.trace("key =" + pKey.isPrivate());
            LOGGER.trace(pKey.toString());
        }
        return pKey;
    }
    throw new IllegalArgumentException("'resource' doesn't specify a valid private key");
}

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From source file:org.springframework.security.rsa.crypto.RsaKeyHelper.java

License:Apache License

static KeyPair parseKeyPair(String pemData) {
    Matcher m = PEM_DATA.matcher(pemData.trim());

    if (!m.matches()) {
        try {/*from   w ww  .  j av a  2s.  c  o m*/
            return new KeyPair(extractPublicKey(pemData), null);
        } catch (Exception e) {
            throw new IllegalArgumentException(
                    "String is not PEM encoded data, nor a public key encoded for ssh");
        }
    }

    String type = m.group(1);
    final byte[] content = base64Decode(m.group(2));

    PublicKey publicKey;
    PrivateKey privateKey = null;

    try {
        KeyFactory fact = KeyFactory.getInstance("RSA");
        if (type.equals("RSA PRIVATE KEY")) {
            ASN1Sequence seq = ASN1Sequence.getInstance(content);
            if (seq.size() != 9) {
                throw new IllegalArgumentException("Invalid RSA Private Key ASN1 sequence.");
            }
            org.bouncycastle.asn1.pkcs.RSAPrivateKey key = org.bouncycastle.asn1.pkcs.RSAPrivateKey
                    .getInstance(seq);
            RSAPublicKeySpec pubSpec = new RSAPublicKeySpec(key.getModulus(), key.getPublicExponent());
            RSAPrivateCrtKeySpec privSpec = new RSAPrivateCrtKeySpec(key.getModulus(), key.getPublicExponent(),
                    key.getPrivateExponent(), key.getPrime1(), key.getPrime2(), key.getExponent1(),
                    key.getExponent2(), key.getCoefficient());
            publicKey = fact.generatePublic(pubSpec);
            privateKey = fact.generatePrivate(privSpec);
        } else if (type.equals("PUBLIC KEY")) {
            KeySpec keySpec = new X509EncodedKeySpec(content);
            publicKey = fact.generatePublic(keySpec);
        } else if (type.equals("RSA PUBLIC KEY")) {
            ASN1Sequence seq = ASN1Sequence.getInstance(content);
            org.bouncycastle.asn1.pkcs.RSAPublicKey key = org.bouncycastle.asn1.pkcs.RSAPublicKey
                    .getInstance(seq);
            RSAPublicKeySpec pubSpec = new RSAPublicKeySpec(key.getModulus(), key.getPublicExponent());
            publicKey = fact.generatePublic(pubSpec);
        } else {
            throw new IllegalArgumentException(type + " is not a supported format");
        }

        return new KeyPair(publicKey, privateKey);
    } catch (InvalidKeySpecException e) {
        throw new RuntimeException(e);
    } catch (NoSuchAlgorithmException e) {
        throw new IllegalStateException(e);
    }
}

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