Our main objective is to migrate to 2.4. Since I faced an issue while doing so, I thought it would be better to first migrate to 2.0 then to 2.2 and finally to 2.4.
In 2.4 itself the error is same.
The signature created turns out to be 00000000. I could not understand this part. I have gone through the internet and there are always some definite signature is available but in my case it turned out to be 0.