private void parseKey()

in src/com/amazon/corretto/crypto/provider/RsaCipher.java [374:429]
53 lines of code
10 McCabe index (conditional complexity)

    private void parseKey() throws InvalidKeyException {
        synchronized (lock_) {
            if (nativeKey_ != null && !nativeKey_.isReleased()) {
                return;
            }
            n = null;
            e = null;
            d = null;
            p = null;
            q = null;
            dmp1 = null;
            dmq1 = null;
            iqmp = null;
            if (key_ instanceof PrivateKey) {
                boolean parsedKey = false;
                try {
                    final RSAPrivateCrtKeySpec spec = KEY_FACTORY.getKeySpec((Key) key_, RSAPrivateCrtKeySpec.class);
                    n = spec.getModulus().toByteArray();
                    e = spec.getPublicExponent().toByteArray();
                    d = spec.getPrivateExponent().toByteArray();
                    p = spec.getPrimeP().toByteArray();
                    q = spec.getPrimeQ().toByteArray();
                    dmp1 = spec.getPrimeExponentP().toByteArray();
                    dmq1 = spec.getPrimeExponentQ().toByteArray();
                    iqmp = spec.getCrtCoefficient().toByteArray();
                    parsedKey = true;
                } catch (final InvalidKeySpecException e) {
                    // swallow the exception
                }
                if (!parsedKey) {
                    try {
                        final RSAPrivateKeySpec spec = KEY_FACTORY.getKeySpec((Key) key_, RSAPrivateKeySpec.class);
                        n = spec.getModulus().toByteArray();
                        d = spec.getPrivateExponent().toByteArray();
                        parsedKey = true;
                    } catch (final InvalidKeySpecException e) {
                        // swallow the exception
                    }
                }
                if (!parsedKey) {
                    throw new InvalidKeyException("Unable to parse the key " + key_);
                }

            } else if (key_ instanceof PublicKey) {
                try {
                    final RSAPublicKeySpec spec = KEY_FACTORY.getKeySpec((Key) key_, RSAPublicKeySpec.class);
                    n = spec.getModulus().toByteArray();
                    e = spec.getPublicExponent().toByteArray();
                } catch (final InvalidKeySpecException e) {
                    throw new InvalidKeyException(e);
                }
            } else {
                throw new IllegalArgumentException("Unexpected key type: " + key_.getClass());
            }
        }
    }