Escape-Room

escaperoom.py

0.00MB

escape-room.exe

0.04MB

key.txt

0.00MB

key.txt -> escape-room.exe ->나오는 페이지에서 진행(escaperoom.py)

 

text = 'password is "p4ssw0rd"'
compression = ''
for i in text:
    compression += bin(ord(i))[2:].zfill(8)
print(compression)
zflag = True
compressionText = ''
count = 0
num = 0
temp = 0
while True:
    if zflag:
        temp = count
        try:
            count += compression[count:].index('1')
            num = count
            sub = num-temp
        except:
            sub = len(compression[count:])
            compressionText += str(sub)  # f"0{sub}"
            break
        compressionText += str(sub)  # f"0{sub}"
        # print(count)
        zflag = False
    else:
        temp = count
        try:
            count += compression[count:].index('0')
            num = count
            sub = num-temp
        except:
            sub = len(compression[count:])
            compressionText += str(sub)  # f"1{sub}"
            break
        compressionText += str(sub)  # f"1{sub}"
        # print(count)
        zflag = True
print(compressionText)

run length encoding 기법으로 문자열 비트단위로 압축시키는 코드

 

 

compressionText = '135241132213221313121413212221416211211322217131236211332213221313225321222141311'
bitString =''
zFlag = True
for i in compressionText:
    if zFlag:
        bitString += '0'* int(i)
    else:
        bitString += '1'* int(i)
    zFlag = not zFlag
print(bitString)
pw = ''
for i in range(0, 176, 8):
    pw += chr(int(bitString[i:i+8:], base=2))
print(pw)

압축문을 평문으로 변환시키는 코드