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CipherRSAThread.javaAPI DocAndroid 1.5 API1797Wed May 06 22:41:02 BST 2009org.apache.harmony.crypto.tests.javax.crypto.func

CipherRSAThread

public class CipherRSAThread extends CipherThread

Fields Summary
Constructors Summary
CipherRSAThread(String name, int[] keys, String[] modes, String[] paddings)

        super(name, keys, modes, paddings);
Methods Summary
public voidcrypt()

        byte[] output = new byte[256];
        byte[] decrypted = new byte[256];
        int dataBlock = 20;
        byte[] input  =  getData().substring(0, dataBlock).getBytes();
        KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
        kpg.initialize(getKeyLength());
        KeyPair kp = kpg.generateKeyPair();
 
        Cipher cip = Cipher.getInstance(getAlgName() + "/" + getMode() + "/" +
                getPadding());
        cip.init(Cipher.ENCRYPT_MODE, kp.getPublic());
        cip.doFinal(input, 0, input.length, output);
        int outputSize = cip.getOutputSize(input.length);
        cip.init(Cipher.DECRYPT_MODE, kp.getPrivate());
        cip.doFinal(output, 0, outputSize, decrypted);

        checkEncodedData(input, decrypted);