It's been a while since I know about cryptography, and always end up seing diagrams like this.
However I have never been able to understang their meaning. I hope someone can explain in detail. Thank you in advance
It's been a while since I know about cryptography, and always end up seing diagrams like this.
However I have never been able to understang their meaning. I hope someone can explain in detail. Thank you in advance
These are diagrams used to describe the round of symmetric ciphers. This one specifically I think is from Chacha20.
You can interpret your above example as follows :
For example :
a += b
d = (a + d) <<< 16
c += d
b ^= (b + c) <<< 12
a += b
d = (a + d) <<< 8
c += d
b ^= (b + c) <<< 7