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

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

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

     *
     * @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) {

                    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];

        }

        public static AccessorKey ofMethodWithSameSignatureButNewName(String newName, JApiMethod jApiMethod) {
            String descriptor = jApiMethod.getNewMethod().get().getSignature();
            String containingType = jApiMethod.getjApiClass().getFullyQualifiedName();
            return new AccessorKey(containingType, newName, descriptor);
        }

        param.setType(type);
        parameters.add(param);
        return param;
    }

    public String getSignature() {
        StringBuilder builder = new StringBuilder();
        builder.append(returnType.getSignature());
        builder.append(' ');
        builder.append(name);
        builder.append('(');
        for (int i = 0; i < parameters.size(); i++) {

     *            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}.
     *

        return type;
    }

    public void setType(TypeMetaData type) {
        this.type = type;
    }

    public String getSignature() {
        StringBuilder builder = new StringBuilder();
        builder.append(type.getSignature());
        builder.append(" ");
        builder.append(name);
        return builder.toString();
    }

    @Override

    }

    public ClassMetaData getOwnerClass() {
        return ownerClass;
    }

    public String getSignature() {
        StringBuilder builder = new StringBuilder();
        builder.append(type.getSignature());
        builder.append(' ');
        builder.append(name);
        return builder.toString();
    }

    public MethodMetaData getGetter() {

	regionBytes := sumHMAC(date, []byte(region))
	service := sumHMAC(regionBytes, []byte(stype))
	signingKey := sumHMAC(service, []byte("aws4_request"))
	return signingKey
}

// getSignature final signature in hexadecimal form.
func getSignature(signingKey []byte, stringToSign string) string {
	return hex.EncodeToString(sumHMAC(signingKey, []byte(stringToSign)))
}

// Check to see if Policy is signed correctly.

                }
                PropertyDoc property = classDoc.findProperty(methodName);
                boolean multiValued = false;
                if (property != null && method.getParameters().size() == 1 && method.getParameters().get(0).getType().getSignature().equals(Closure.class.getName())) {