Examples with RSAPrivateKey java.security.interfaces.RSAPrivateKey used on opensource projects

Example 16 with RSAPrivateKey

use of java.security.interfaces.RSAPrivateKey in project zaproxy by zaproxy.

the class SslCertificateUtils method generatePrivateKeyFromDER.

private static RSAPrivateKey generatePrivateKeyFromDER(byte[] keyBytes) throws InvalidKeySpecException, NoSuchAlgorithmException {
    PKCS8EncodedKeySpec spec = new PKCS8EncodedKeySpec(keyBytes);
    KeyFactory factory = KeyFactory.getInstance("RSA");
    return (RSAPrivateKey) factory.generatePrivate(spec);
}

Example 17 with RSAPrivateKey

use of java.security.interfaces.RSAPrivateKey in project XobotOS by xamarin.

the class MiscPEMGenerator method createPemObject.

private PemObject createPemObject(Object o) throws IOException {
    String type;
    byte[] encoding;
    if (o instanceof PemObject) {
        return (PemObject) o;
    }
    if (o instanceof PemObjectGenerator) {
        return ((PemObjectGenerator) o).generate();
    }
    if (o instanceof X509Certificate) {
        type = "CERTIFICATE";
        try {
            encoding = ((X509Certificate) o).getEncoded();
        } catch (CertificateEncodingException e) {
            throw new PemGenerationException("Cannot encode object: " + e.toString());
        }
    } else if (o instanceof X509CRL) {
        type = "X509 CRL";
        try {
            encoding = ((X509CRL) o).getEncoded();
        } catch (CRLException e) {
            throw new PemGenerationException("Cannot encode object: " + e.toString());
        }
    } else if (o instanceof KeyPair) {
        return createPemObject(((KeyPair) o).getPrivate());
    } else if (o instanceof PrivateKey) {
        PrivateKeyInfo info = new PrivateKeyInfo((ASN1Sequence) ASN1Object.fromByteArray(((Key) o).getEncoded()));
        if (o instanceof RSAPrivateKey) {
            type = "RSA PRIVATE KEY";
            encoding = info.getPrivateKey().getEncoded();
        } else if (o instanceof DSAPrivateKey) {
            type = "DSA PRIVATE KEY";
            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 = ((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 (((PrivateKey) o).getAlgorithm().equals("ECDSA")) {
            type = "EC PRIVATE KEY";
            encoding = info.getPrivateKey().getEncoded();
        } else {
            throw new IOException("Cannot identify private key");
        }
    } else if (o instanceof PublicKey) {
        type = "PUBLIC KEY";
        encoding = ((PublicKey) o).getEncoded();
    } else if (o instanceof X509AttributeCertificate) {
        type = "ATTRIBUTE CERTIFICATE";
        encoding = ((X509V2AttributeCertificate) 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();
    } else {
        throw new PemGenerationException("unknown object passed - can't encode.");
    }
    return new PemObject(type, encoding);
}

Example 18 with RSAPrivateKey

use of java.security.interfaces.RSAPrivateKey in project jdk8u_jdk by JetBrains.

the class SpecTest method specTest.

/**
     *
     * @param kpair test key pair
     * @param pubExponent expected public exponent.
     * @return true if test passed. false if test failed.
     */
private static boolean specTest(KeyPair kpair, BigInteger pubExponent) {
    boolean passed = true;
    RSAPrivateKey priv = (RSAPrivateKey) kpair.getPrivate();
    RSAPublicKey pub = (RSAPublicKey) kpair.getPublic();
    // test the getModulus method
    if ((priv instanceof RSAKey) && (pub instanceof RSAKey)) {
        if (!priv.getModulus().equals(pub.getModulus())) {
            System.err.println("priv.getModulus() = " + priv.getModulus());
            System.err.println("pub.getModulus() = " + pub.getModulus());
            passed = false;
        }
        if (!pubExponent.equals(pub.getPublicExponent())) {
            System.err.println("pubExponent = " + pubExponent);
            System.err.println("pub.getPublicExponent() = " + pub.getPublicExponent());
            passed = false;
        }
    }
    return passed;
}

Example 19 with RSAPrivateKey

use of java.security.interfaces.RSAPrivateKey in project yyl_example by Relucent.

the class Rsa method main.

public static void main(String[] args) throws Exception {
    KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance("RSA");
    // 密钥位数
    keyPairGen.initialize(1024);
    // 密钥对
    KeyPair keyPair = keyPairGen.generateKeyPair();
    // 公钥
    PublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
    // 私钥
    PrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate();
    String publicKeyString = getKeyString(publicKey);
    System.out.println("public:\n" + publicKeyString);
    String privateKeyString = getKeyString(privateKey);
    System.out.println("private:\n" + privateKeyString);
    // 加解密类
    // Cipher.getInstance("RSA/ECB/PKCS1Padding");
    Cipher cipher = Cipher.getInstance("RSA");
    // 明文
    byte[] plainText = "我们都很好！邮件：@sina.com".getBytes();
    // 加密
    cipher.init(Cipher.ENCRYPT_MODE, publicKey);
    byte[] enBytes = cipher.doFinal(plainText);
    // 通过密钥字符串得到密钥
    publicKey = getPublicKey(publicKeyString);
    privateKey = getPrivateKey(privateKeyString);
    // 解密
    cipher.init(Cipher.DECRYPT_MODE, privateKey);
    byte[] deBytes = cipher.doFinal(enBytes);
    publicKeyString = getKeyString(publicKey);
    System.out.println("public:\n" + publicKeyString);
    privateKeyString = getKeyString(privateKey);
    System.out.println("private:\n" + privateKeyString);
    String s = new String(deBytes);
    System.out.println(s);
}

Example 20 with RSAPrivateKey

use of java.security.interfaces.RSAPrivateKey in project Gradle-demo by Arisono.

the class RSAUtils method generateKeyBytes.

/**
	 * 生成密钥对。注意这里是生成密钥对KeyPair，再由密钥对获取公私钥
	 * 生成RSA的公钥和私钥
	 * @return
	 */
public static Map<String, byte[]> generateKeyBytes() {
    try {
        KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(KEY_ALGORITHM);
        keyPairGenerator.initialize(KEY_SIZE);
        KeyPair keyPair = keyPairGenerator.generateKeyPair();
        RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
        RSAPrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate();
        Map<String, byte[]> keyMap = new HashMap<String, byte[]>();
        keyMap.put(PUBLIC_KEY, publicKey.getEncoded());
        keyMap.put(PRIVATE_KEY, privateKey.getEncoded());
        return keyMap;
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return null;
}