mySpi.engineInit(keysize, random);                initType = I_SIZE;                initKeySize = keysize;                initParams = null;                initRandom = random;                return;            } catch (RuntimeException e) {                if (failure == null) {                    failure = e;                }                mySpi = nextSpi(mySpi, false);            }        } while (mySpi != null);        throw failure;    }     /**     * Generates a secret key.     *     * @return the new key     */    public final SecretKey generateKey() {        if (serviceIterator == null) {            return spi.engineGenerateKey();        }        RuntimeException failure = null;        KeyGeneratorSpi mySpi = spi;        do {            try {                return mySpi.engineGenerateKey();            } catch (RuntimeException e) {                if (failure == null) {                    failure = e;                }                mySpi = nextSpi(mySpi, true);            }        } while (mySpi != null);        throw failure;   }}

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