Example usage for org.bouncycastle.crypto.params X25519PublicKeyParameters getEncoded

Introduction

In this page you can find the example usage for org.bouncycastle.crypto.params X25519PublicKeyParameters getEncoded.

Prototype

public byte[] getEncoded() 

Source Link

Usage

From source file:com.distrimind.util.crypto.ASymmetricEncryptionType.java

License:Open Source License

@SuppressWarnings("deprecation")
static byte[] encodePublicKey(PublicKey key, ASymmetricAuthenticatedSignatureType type, boolean xdh) {
    if (type == ASymmetricAuthenticatedSignatureType.BC_SHA384withECDSA_CURVE_25519
            || type == ASymmetricAuthenticatedSignatureType.BC_SHA512withECDSA_CURVE_25519
            || type == ASymmetricAuthenticatedSignatureType.BC_SHA256withECDSA_CURVE_25519) {
        return ((ECPublicKey) key).getQ().getEncoded(true);
    } else if (type == ASymmetricAuthenticatedSignatureType.BC_Ed25519) {
        if (xdh) {
            X25519PublicKeyParameters k = null;
            try {
                k = (X25519PublicKeyParameters) xdhPublicKeyField.get(key);
            } catch (IllegalAccessException e) {
                e.printStackTrace();//from w  ww .j  a  v  a 2 s .  c  om
                System.exit(-1);
            }
            return k.getEncoded();
        } else {
            Ed25519PublicKeyParameters k = null;
            try {
                k = (Ed25519PublicKeyParameters) eddsaPublicKeyField.get(key);
            } catch (IllegalAccessException e) {
                e.printStackTrace();
                System.exit(-1);
            }
            return k.getEncoded();
        }
    } else if (type == ASymmetricAuthenticatedSignatureType.BC_Ed448) {
        if (xdh) {
            X448PublicKeyParameters k = null;
            try {
                k = (X448PublicKeyParameters) xdhPublicKeyField.get(key);
            } catch (IllegalAccessException e) {
                e.printStackTrace();
                System.exit(-1);
            }
            return k.getEncoded();
        } else {

            Ed448PublicKeyParameters k = null;
            try {
                k = (Ed448PublicKeyParameters) eddsaPublicKeyField.get(key);
            } catch (IllegalAccessException e) {
                e.printStackTrace();
                System.exit(-1);
            }
            return k.getEncoded();
        }
    }

    /*else if (type.getKeyGeneratorAlgorithmName().contains("ECDSA"))
    {
        try {
        if (key instanceof BCECPublicKey)
            return getKeyAsRawBytes((BCECPublicKey) key);
        else if (key instanceof ECPublicKey)
            return getKeyAsRawBytes((ECPublicKey) key);
    }
    catch(Exception e)
    {
        e.printStackTrace();
    }
            
            
    }*/

    return key.getEncoded();

}

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