private void cancelOperation() {
token.ensureValid();
if (initialized == false) {
return;
}
initialized = false;
if ((session == null) || (token.explicitCancel == false)) {
return;
}
if (session.hasObjects() == false) {
session = token.killSession(session);
return;
}
try {
PKCS11 p11 = token.p11;
int inLen = maxInputSize;
int outLen = buffer.length;
switch (mode) {
case MODE_ENCRYPT:
p11.C_Encrypt(session.id(), buffer, 0, inLen, buffer, 0, outLen);
break;
case MODE_DECRYPT:
p11.C_Decrypt(session.id(), buffer, 0, inLen, buffer, 0, outLen);
break;
case MODE_SIGN:
byte[] tmpBuffer = new byte[maxInputSize];
p11.C_Sign(session.id(), tmpBuffer);
break;
case MODE_VERIFY:
p11.C_VerifyRecover(session.id(), buffer, 0, inLen, buffer, 0, outLen);
break;
default:
throw new ProviderException("internal error");
}
} catch (PKCS11Exception e) {
// XXX ensure this always works, ignore error
}
}
private void ensureInitialized() throws PKCS11Exception {
token.ensureValid();
if (initialized == false) {
initialize();
}
}