Example usage for org.bouncycastle.crypto.params X25519PrivateKeyParameters getEncoded

Introduction

In this page you can find the example usage for org.bouncycastle.crypto.params X25519PrivateKeyParameters 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[] encodePrivateKey(PrivateKey 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 ((ECPrivateKey) key).getD().toByteArray();
    } else if (type == ASymmetricAuthenticatedSignatureType.BC_Ed25519) {
        if (xdh) {
            X25519PrivateKeyParameters k = null;
            try {
                k = (X25519PrivateKeyParameters) xdhPrivateKeyField.get(key);
            } catch (IllegalAccessException e) {
                e.printStackTrace();/*from w ww.j  av  a2  s.c om*/
                System.exit(-1);
            }
            return k.getEncoded();
        } else {

            Ed25519PrivateKeyParameters k = null;
            try {
                k = (Ed25519PrivateKeyParameters) eddsaPrivateKeyField.get(key);
            } catch (IllegalAccessException e) {
                e.printStackTrace();
                System.exit(-1);
            }
            return k.getEncoded();
        }
    } else if (type == ASymmetricAuthenticatedSignatureType.BC_Ed448) {
        if (xdh) {
            X448PrivateKeyParameters k = null;
            try {
                k = (X448PrivateKeyParameters) xdhPrivateKeyField.get(key);
            } catch (IllegalAccessException e) {
                e.printStackTrace();
                System.exit(-1);
            }
            return k.getEncoded();
        } else {
            Ed448PrivateKeyParameters k = null;
            try {
                k = (Ed448PrivateKeyParameters) eddsaPrivateKeyField.get(key);
            } catch (IllegalAccessException e) {
                e.printStackTrace();
                System.exit(-1);
            }
            return k.getEncoded();
        }
    } else
        return key.getEncoded();
    //return Bits.concateEncodingWithShortSizedTabs(key.getAlgorithm().encode(), key.getEncoded());
}

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