拒绝固定思维.(自定义base64)
题目:

exp:
import string
import base64
s = "gmbhvpuufnwoneusnowscrrvuwutotfnwobe"
char = string.ascii_uppercase + string.ascii_lowercase + string.digits
print(char)
# ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789
# JKLMNOxyUVzABCDEFGH789PQIabcdefghijklmWXYZ0123456RSTnopqrstuvw+/=
str = "gmbhvpuufnwoneusnowscrrvuwutotfnwobe"
zdy = "JKLMNOxyUVzABCDEFGH789PQIabcdefghijklmWXYZ0123456RSTnopqrstuvw+/="
stand = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789=+/"
ec = str.maketrans(stand, zdy)
dc = str.maketrans(zdy, stand)
def encode(x):
return x.translate(ec)
def decode(x):
return x.translate(dc)
flag = decode(str)
print(flag)
# flag = base64.b64decode(flag)
# print(flag)
flag8277e0910d750195b448797616e091ad

浙公网安备 33010602011771号