*
     * @return the signature/authentication tag
     */
    public byte[] getSignature() {
        return this.signature;
    }

    /**
     * Sets the signature or authentication tag for the encrypted message
     *
     * @param signature
     *            the signature/authentication tag to set
     */
    public void setSignature(final byte[] signature) {
        if (signature.length != 16) {

        // When/Then
        assertThrows(IllegalArgumentException.class, () -> {
            transformHeader.setSignature(shortSignature);
        });

        assertThrows(IllegalArgumentException.class, () -> {
            transformHeader.setSignature(longSignature);
        });
    }

    @Test
    @DisplayName("Should handle buffer underflow during decode")

                    isGCMCipher() ? encryptWithGCM(message, nonce, associatedData) : encryptWithCCM(message, nonce, associatedData);

            // Set authentication tag in transform header
            transformHeader.setSignature(encResult.authTag);

            // Build final encrypted message
            final byte[] result = new byte[Smb2TransformHeader.TRANSFORM_HEADER_SIZE + encResult.ciphertext.length];

     *            Array of arguments
     */
    public ConstructorNotFoundRuntimeException(final Class<?> targetClass, final Object[] methodArgs) {
        super("ECL0048", asArray(targetClass.getName(), getSignature(methodArgs)));
        this.targetClass = targetClass;
        this.methodArgs = methodArgs;
        paramTypes = null;
    }

    /**
     * Creates a {@link ConstructorNotFoundRuntimeException}.
     *

     */
    public NoSuchConstructorRuntimeException(final Class<?> targetClass, final Class<?>[] argTypes, final Throwable cause) {
        super("ECL0064", asArray(targetClass.getName(), MethodUtil.getSignature(targetClass.getSimpleName(), argTypes)), cause);
        this.targetClass = targetClass;
        this.argTypes = argTypes;
    }

    /**
     * Returns the target class.
     *
     * @return Target class

     */
    public NoSuchMethodRuntimeException(final Class<?> targetClass, final String methodName, final Class<?>[] argTypes,
            final Throwable cause) {
        super("ECL0057", asArray(targetClass.getName(), MethodUtil.getSignature(methodName, argTypes)), cause);
        this.targetClass = targetClass;
        this.methodName = methodName;
        this.argTypes = argTypes;
    }

    /**
     * Returns the target class.
     *

     */
    public MethodNotFoundRuntimeException(final Class<?> targetClass, final String methodName, final Class<?>[] methodArgClasses) {
        super("ECL0049", asArray(targetClass.getName(), MethodUtil.getSignature(methodName, methodArgClasses)));
        this.targetClass = targetClass;
        this.methodName = methodName;
        this.methodArgClasses = methodArgClasses;
    }

    /**

     * @param argTypes
     *            The argument types
     * @return The string representation of the method signature
     */
    public static String getSignature(final String methodName, final Class<?>... argTypes) {
        assertArgumentNotEmpty("methodName", methodName);

        final StringBuilder buf = new StringBuilder(100);
        buf.append(methodName).append("(");

        }

        @Override
        MethodVisitor visitMethod(int access, String name, String methodDescriptor, String signature, String[] exceptions) {
            if (behaviorName == name && methodDescriptor == behavior.getSignature()) {
                return new MethodVisitor(AsmConstants.ASM_LEVEL) {

                    @Override
                    AnnotationVisitor visitAnnotation(String descriptor, boolean visible) {

		emptySHA256 + "\n" +
		hashedChunk

	// Get hmac signing key.
	signingKey := getSigningKey(cr.cred.SecretKey, cr.seedDate, cr.region, serviceS3)

	// Calculate signature.
	newSignature := getSignature(signingKey, stringToSign)

	return newSignature
}

// getTrailerChunkSignature - get trailer chunk signature.
func (cr *s3ChunkedReader) getTrailerChunkSignature() string {