1. I was a bit confused about the instructions in 7.5. I don't see hoe bob computing tr^-a mod p will give him the message m. They give us the reason why, but it wasn't really helping me. The whole process seemed pretty confusing to me.
2. Along with the process seeming confusing, it also doesn't feel like it's very secure. All eve needs to figure out is a. The only thing preventing her is the fact thy it is hard to compute discreet logs is very hard. But I feel like it could be done on a very good computer. I personally would not use this method.
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