For educational purposes, I would like to be able to first create a Hash for a String and then to create RSA Digital Signature from that Hash so that the result is the same as when using SHA256with...

a quick search brings zero results so I wonder if this could be done in google sheets or if someone ever even attempted it... background: basically it's a clock divided into 4 fields, where every f...

Without using 3rd party BouncyCastle library, is there a way to read a custom private key and sign the message ? (sha256 hash+encryption using private key)

What is the purpose of the std_logic enumerated type? 'U': uninitialized. This signal hasn't been set yet. 'X': unknown. Impossible to determine this value/result. '0': logic 0 '1': logic 1 'Z': H...

https://electronics.stackexchange.com/questions/20537/how-to-identify-self-complementing-code I have read that properly , but is it necessary that , the number need to be subtracted from 9 ? be...

I'm super excited about my program powering a little seven-segment display, but when I show it off to people not in the field, they always say "well what can you do with it?" I'm never able to give...

I am making a horse programme. I have the horse face and wish to apply a bit mask. Only the horses eyes should be visible when it is wearing the bit mask. First I must convert the horses face to di...

I was just looking at some example code and came across a line, I don't fully understand why it needs to be done. I understand that you are taking in an analog value. This value is between 0 and 10...

I have a simple digital system which has an input x(n) = u(n) - u(n-4). I am trying to find the output y(n) with the conv() function from the 'signal' package or the convolve() function from the ...

I used this code for adding a clock to my app: <DigitalClock android:id="@+id/digitalclock" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParent...

In my program i allow the user to enter some text which then gets put on top of an image using the graphics.DrawString() method. When i then go to save this image, it saves it without the text. H...

I am working on a little Hardware interface project based on the Velleman k8055 board. The example code comes in VB.Net and I'm rewriting this into C#, mostly to have a chance to step through the ...