108 reputation
4
bio website
location
age
visits member for 2 years, 1 month
seen May 6 at 18:18

Jul
1
comment Deciphering a key from XOR encrypted cypher using boolean logic
I'm teaching my son digital logic design and I am reviewing k-maps, truth tables, etc. This stuff is so fascinating that you think of using it as a hammer for almost every logic problem, not realizing that a hammer isn't necessary, you just need a finger to push it in. Doh! Perhaps, you guys can help with a question I have on the Computer Science stack: cs.stackexchange.com/questions/2566/…
Jul
1
comment Deciphering a key from XOR encrypted cypher using boolean logic
I'm having a doh! and a duh! moment. Sometimes you think too hard and you wind up missing the answer staring you in the face. Using truth tables is stupid as xoring it again gives you back the key. I feel really stupid right now. (Wiping egg of the face.)
Jul
1
comment Deciphering a key from XOR encrypted cypher using boolean logic
@Thomas, LOL! You're correct. I accidentally hit the add comment and walked off thinking it was still in draft. It is certainly better than FaceBook where accidentally hitting enter instead of shift-enter for a line break can lead to embarrassment and unwanted drama.