Golang solitaire cypher from Cryptonomincon designed by Bruce Schneier
More info https://www.schneier.com/academic/solitaire/
- Generate a sample key from the default deck key...
go run main.go -op dkey
this will make a base64 encoded key in a file called shared.key
- or use and/or edit
deck.txtto make a new key deck (it is not validated in any way) generate a key from this deck:
go run main.go -op key -k my.key -i deck.txt
- encrypt some text with the
shared.key, for example encrypt the examplein.txt
go run main.go -op enc -k shared.key -i in.txt -o enc.txt
cat the encoded text:
cat enc.txt
UPLOP IMCPO GIGJL LGSAX
GGGBS GXXLX
- decrypt enc.txt with the
shared.key:
go run main.go -op dec -k shared.key -i enc.txt -o denc.txt
Thats all there is to it.
The benchmark shows that we can generate 5.6e7 key stream values in 20 seconds, so should be pretty useful for randomness analysis (see Schneiers page for links regarding this)
This code is explicitly in the "public domain" and can be used, reused, and abused as desired.
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