private void initialize() throws PKCS11Exception {
if (session == null) {
session = token.getOpSession();
}
PKCS11 p11 = token.p11;
CK_MECHANISM ckMechanism = new CK_MECHANISM(mechanism);
switch (mode) {
case MODE_ENCRYPT:
p11.C_EncryptInit(session.id(), ckMechanism, p11Key.keyID);
break;
case MODE_DECRYPT:
p11.C_DecryptInit(session.id(), ckMechanism, p11Key.keyID);
break;
case MODE_SIGN:
p11.C_SignInit(session.id(), ckMechanism, p11Key.keyID);
break;
case MODE_VERIFY:
p11.C_VerifyRecoverInit(session.id(), ckMechanism, p11Key.keyID);
break;
default:
throw new AssertionError("internal error");
}
bufOfs = 0;
initialized = true;
}
