Example usage for org.bouncycastle.jce.provider JCEECPrivateKey getD

Introduction

In this page you can find the example usage for org.bouncycastle.jce.provider JCEECPrivateKey getD.

Prototype

public BigInteger getD() 

Source Link

Usage

From source file:org.jmrtd.app.DocumentEditFrame.java

License:Open Source License

private static PublicKey getECPublicKeyFromPrivateKey(PrivateKey privateKey) throws GeneralSecurityException {
    KeyFactory keyFactory = KeyFactory.getInstance("EC", BC_PROVIDER);
    org.bouncycastle.jce.provider.JCEECPrivateKey priv = (org.bouncycastle.jce.provider.JCEECPrivateKey) privateKey;
    org.bouncycastle.jce.spec.ECParameterSpec params = priv.getParameters();
    org.bouncycastle.jce.spec.ECPublicKeySpec pubKS = new org.bouncycastle.jce.spec.ECPublicKeySpec(
            params.getG().multiply(priv.getD()), params);
    PublicKey publicKey = keyFactory.generatePublic(pubKS);
    return publicKey;
}

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From source file:org.xdi.oxauth.ws.rs.TokenSignaturesHttpTest.java

License:MIT License

@Test
public void es256() throws NoSuchProviderException, NoSuchAlgorithmException,
        InvalidAlgorithmParameterException, SignatureException, InvalidKeyException, InvalidKeySpecException,
        IllegalBlockSizeException, IOException, NoSuchPaddingException, BadPaddingException {
    showTitle("es256");

    // Generate ECDSA Key
    KeyPair keyPair = JwtUtil.generateKeyES256();
    JCEECPrivateKey privateKey = (JCEECPrivateKey) keyPair.getPrivate();
    JCEECPublicKey publicKey = (JCEECPublicKey) keyPair.getPublic();

    ECDSAPrivateKey ecdsaPrivateKey = new ECDSAPrivateKey(privateKey.getD());
    ECDSAPublicKey ecdsaPublicKey = new ECDSAPublicKey(SignatureAlgorithm.ES256,
            publicKey.getQ().getX().toBigInteger(), publicKey.getQ().getY().toBigInteger());
    System.out.println("PRIVATE KEY");
    System.out.println("D: " + ecdsaPrivateKey.getD());
    System.out.println("PUBLIC KEY");
    System.out.println("X: " + ecdsaPublicKey.getX());
    System.out.println("Y: " + ecdsaPublicKey.getY());

    // Encode message
    String signingInput = "eyJhbGciOiJIUzI1NiJ9.eyJub25jZSI6ICI2Qm9HN1QwR0RUZ2wiLCAiaWRfdG9rZW4iOiB7Im1heF9hZ2UiOiA4NjQwMH0sICJzdGF0ZSI6ICJTVEFURTAiLCAicmVkaXJlY3RfdXJpIjogImh0dHBzOi8vbG9jYWxob3N0L2NhbGxiYWNrMSIsICJ1c2VyaW5mbyI6IHsiY2xhaW1zIjogeyJuYW1lIjogbnVsbH19LCAiY2xpZW50X2lkIjogIkAhMTExMSEwMDA4IUU2NTQuQjQ2MCIsICJzY29wZSI6IFsib3BlbmlkIl0sICJyZXNwb25zZV90eXBlIjogWyJjb2RlIl19";

    byte[] signature = JwtUtil.getSignatureES256(signingInput.getBytes(), ecdsaPrivateKey);
    String encodedSignature = JwtUtil.base64urlencode(signature);
    System.out.println("Encoded Signature: " + encodedSignature);

    // Verify signature
    boolean signatureVerified = JwtUtil.verifySignatureES256(signingInput.getBytes(), signature,
            ecdsaPublicKey);/*from  ww  w.  java  2 s .c o m*/
    assertTrue(signatureVerified, "Invalid signature");
}

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From source file:org.xdi.oxauth.ws.rs.TokenSignaturesHttpTest.java

License:MIT License

@Test
public void es384() throws NoSuchProviderException, NoSuchAlgorithmException,
        InvalidAlgorithmParameterException, SignatureException, InvalidKeyException, InvalidKeySpecException,
        IllegalBlockSizeException, IOException, NoSuchPaddingException, BadPaddingException {
    showTitle("es384");

    // Generate ECDSA Key
    KeyPair keyPair = JwtUtil.generateKeyES384();
    JCEECPrivateKey privateKey = (JCEECPrivateKey) keyPair.getPrivate();
    JCEECPublicKey publicKey = (JCEECPublicKey) keyPair.getPublic();

    ECDSAPrivateKey ecdsaPrivateKey = new ECDSAPrivateKey(privateKey.getD());
    ECDSAPublicKey ecdsaPublicKey = new ECDSAPublicKey(SignatureAlgorithm.ES384,
            publicKey.getQ().getX().toBigInteger(), publicKey.getQ().getY().toBigInteger());
    System.out.println("PRIVATE KEY");
    System.out.println("D: " + ecdsaPrivateKey.getD());
    System.out.println("PUBLIC KEY");
    System.out.println("X: " + ecdsaPublicKey.getX());
    System.out.println("Y: " + ecdsaPublicKey.getY());

    // Encode message
    String signingInput = "eyJhbGciOiJIUzI1NiJ9.eyJub25jZSI6ICI2Qm9HN1QwR0RUZ2wiLCAiaWRfdG9rZW4iOiB7Im1heF9hZ2UiOiA4NjQwMH0sICJzdGF0ZSI6ICJTVEFURTAiLCAicmVkaXJlY3RfdXJpIjogImh0dHBzOi8vbG9jYWxob3N0L2NhbGxiYWNrMSIsICJ1c2VyaW5mbyI6IHsiY2xhaW1zIjogeyJuYW1lIjogbnVsbH19LCAiY2xpZW50X2lkIjogIkAhMTExMSEwMDA4IUU2NTQuQjQ2MCIsICJzY29wZSI6IFsib3BlbmlkIl0sICJyZXNwb25zZV90eXBlIjogWyJjb2RlIl19";

    byte[] signature = JwtUtil.getSignatureES384(signingInput.getBytes(), ecdsaPrivateKey);
    String encodedSignature = JwtUtil.base64urlencode(signature);
    System.out.println("Encoded Signature: " + encodedSignature);

    // Verify signature
    boolean signatureVerified = JwtUtil.verifySignatureES384(signingInput.getBytes(), signature,
            ecdsaPublicKey);/*  w  w w  .j a va2s  . c o m*/
    assertTrue(signatureVerified, "Invalid signature");
}

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From source file:org.xdi.oxauth.ws.rs.TokenSignaturesHttpTest.java

License:MIT License

@Test
public void es512() throws NoSuchProviderException, NoSuchAlgorithmException,
        InvalidAlgorithmParameterException, SignatureException, InvalidKeyException, InvalidKeySpecException,
        IllegalBlockSizeException, IOException, NoSuchPaddingException, BadPaddingException {
    showTitle("es512");

    // Generate ECDSA Key
    KeyPair keyPair = JwtUtil.generateKeyES512();
    JCEECPrivateKey privateKey = (JCEECPrivateKey) keyPair.getPrivate();
    JCEECPublicKey publicKey = (JCEECPublicKey) keyPair.getPublic();

    ECDSAPrivateKey ecdsaPrivateKey = new ECDSAPrivateKey(privateKey.getD());
    ECDSAPublicKey ecdsaPublicKey = new ECDSAPublicKey(SignatureAlgorithm.ES512,
            publicKey.getQ().getX().toBigInteger(), publicKey.getQ().getY().toBigInteger());
    System.out.println("PRIVATE KEY");
    System.out.println("D: " + ecdsaPrivateKey.getD());
    System.out.println("PUBLIC KEY");
    System.out.println("X: " + ecdsaPublicKey.getX());
    System.out.println("Y: " + ecdsaPublicKey.getY());

    // Encode message
    String signingInput = "eyJhbGciOiJIUzI1NiJ9.eyJub25jZSI6ICI2Qm9HN1QwR0RUZ2wiLCAiaWRfdG9rZW4iOiB7Im1heF9hZ2UiOiA4NjQwMH0sICJzdGF0ZSI6ICJTVEFURTAiLCAicmVkaXJlY3RfdXJpIjogImh0dHBzOi8vbG9jYWxob3N0L2NhbGxiYWNrMSIsICJ1c2VyaW5mbyI6IHsiY2xhaW1zIjogeyJuYW1lIjogbnVsbH19LCAiY2xpZW50X2lkIjogIkAhMTExMSEwMDA4IUU2NTQuQjQ2MCIsICJzY29wZSI6IFsib3BlbmlkIl0sICJyZXNwb25zZV90eXBlIjogWyJjb2RlIl19";

    byte[] signature = JwtUtil.getSignatureES512(signingInput.getBytes(), ecdsaPrivateKey);
    String encodedSignature = JwtUtil.base64urlencode(signature);
    System.out.println("Encoded Signature: " + encodedSignature);

    // Verify signature
    boolean signatureVerified = JwtUtil.verifySignatureES512(signingInput.getBytes(), signature,
            ecdsaPublicKey);//w  ww .  jav a 2  s .  c  o  m
    assertTrue(signatureVerified, "Invalid signature");
}

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