verify(signingDigest, times(1)).verify(largeData, offset, length, extraPad, message);
    }

    @Test
    @DisplayName("Test multiple sign operations in sequence")
    void testMultipleSignOperations() {
        // Arrange
        int iterations = 10;

        // Act
        for (int i = 0; i < iterations; i++) {
            signingDigest.sign(testData, i, testData.length - i, request, response);