func main() {
lines := readLines("./data/4.txt")
topscore := 0
var topoutput []byte
for _, line := range lines {
raw := hexstring.Decode(line)
bruteout := bitwise.BRUTEXOR(raw)
score, key := hexstring.ScoreEnglish(bruteout)
if score >= topscore {
topscore = score
topoutput = bruteout[key]
}
}
output := string(topoutput)
//Test
fmt.Printf("Set 1 Challenge 4 \n")
if output == "one day this nation will rise\n" {
fmt.Printf("PASS!!\n\n")
} else {
fmt.Printf("##FAIL##\n\n")
}
}
func main() {
input := "482169607764216021657364606c"
raw := hexstring.Decode(input)
bruteout := bitwise.BRUTEXOR(raw)
_, key := hexstring.ScoreEnglish(bruteout)
output := string(bruteout[key])
//Test
fmt.Printf("Set 1 Challenge 3 \n")
if output == "I have a dream" {
fmt.Printf("PASS!!\n\n")
} else {
fmt.Printf("##FAIL##\n\n")
}
}
func main() {
file := io.Read("./data/6.txt")
raw := base64.Decode(file)
//fmt.Printf(hexstring.Encode(raw))
KEYSIZE := 2
bestkey := 0
ham := 1000000 // Arbitaray large value
for KEYSIZE < 40 {
slice1 := raw[0:KEYSIZE]
slice2 := raw[KEYSIZE:(KEYSIZE * 2)]
distance := (bitwise.HAM(slice1, slice2) / KEYSIZE)
if distance <= ham {
ham = distance
bestkey = KEYSIZE
}
KEYSIZE++
}
print("KEYSIZE: ", bestkey, " HAM: ", ham, "\n")
KEYSIZE = bestkey
k := 0
var finalkey []byte
for k < KEYSIZE {
singlekey := 0
l := 0
var m []byte
for l < (len(raw) / KEYSIZE) {
if (l * KEYSIZE) < (len(raw) - 1) {
m = append(m, raw[(l*KEYSIZE)+k])
}
l++
}
bruteout := bitwise.BRUTEXOR(m)
_, insidekey := hexstring.ScoreEnglish(bruteout)
singlekey = insidekey
finalkey = append(finalkey, byte(singlekey))
//fmt.Printf("%s", bitwise.SBXOR(m, byte(singlekey)))
m = nil
k++
}
fmt.Printf("-----------------------------------------------------\n")
fmt.Printf("%s\n", finalkey)
fmt.Printf("-----------------------------------------------------")
print("\n")
//finaloutput := bitwise.RXOR(raw, finalkey)
//print(string(finaloutput))
// Hamming Test
input1 := "@ @ @ @ @ @ @ @ @ !"
input2 := " @ @ @ @ @ @ @ @ @ "
testhamming := bitwise.HAM([]byte(input1), []byte(input2))
if testhamming == 37 {
print("\n\nPass Hamming Test\n\n")
} else {
print("\n\n###FAIL###\n\n")
}
//Test
//fmt.Printf("Set 1 Challenge 6 \n")
testinput := "f0f0f0"
testraw := hexstring.Decode(testinput)
testoutput := base64.Encode(testraw)
testreverse := base64.Decode(testoutput)
testcooked := hexstring.Encode(testreverse)
if testcooked == testinput {
//fmt.Printf("DING!!!!\n\n")
}
}