protected byte[] enginesign() throws signatureexception {
try {
byte[] sig = signer.generatesignature();
return sig;
} catch (exception e) {
throw new signatureexception(e.tostring());
}
}
protected boolean engineverify(byte[] sigbytes) throws signatureexception {
boolean yes = signer.verifysignature(sigbytes);
return yes;
}
protected void engineupdate(byte[] b, int off, int len) throws signatureexception {
signer.update(b, off, len);
}
protected void engineupdate(byte b) throws signatureexception {
signer.update(b);
}
protected void engineinitsign(privatekey privatekey) throws invalidkeyexception {
cipherparameters param = rsautil.generateprivatekeyparameter((rsaprivatekey) privatekey);
signer.init(true, param);
}
protected void engineinitverify(publickey publickey) throws invalidkeyexception {
cipherparameters param = rsautil.generatepublickeyparameter((rsapublickey) publickey);
signer.init(false, param);
}