def solve(crypt_msg):
max_score, decoder, secret = 0, None, None
unhex_msg = stringlib.decode_hex(crypt_msg)
for c in range(256):
dec_msg = strxor.strxor_c(unhex_msg, c)
score = stringlib.score(dec_msg)
if score > max_score:
max_score, decoder, secret = score, c, dec_msg
return secret, max_score, decoder
def solve(filename):
with open(filename, "r") as f:
min_cnt, msg = None, None
for i, line in enumerate(f):
unhex_msg = stringlib.decode_hex(line.rstrip())
block_cnt = (len(unhex_msg) + 15) // 16
blocks = (unhex_msg[16*k: 16*(k + 1)] for k in range(block_cnt))
unequal_block_cnt = len(set(blocks))
if min_cnt is None or unequal_block_cnt < min_cnt:
min_cnt = unequal_block_cnt
msg = line.rstrip()
return min_cnt, msg
def solve(filename):
with open(filename, "r") as f:
min_cnt, msg = None, None
for i, line in enumerate(f):
unhex_msg = stringlib.decode_hex(line.rstrip())
block_cnt = (len(unhex_msg) + 15) // 16
blocks = (unhex_msg[16 * k:16 * (k + 1)] for k in range(block_cnt))
unequal_block_cnt = len(set(blocks))
if min_cnt is None or unequal_block_cnt < min_cnt:
min_cnt = unequal_block_cnt
msg = line.rstrip()
return min_cnt, msg
def solve(bstring):
dec_hex = stringlib.decode_hex(bstring)
enc_base64 = stringlib.encode_base64(dec_hex)
return enc_base64
def solve(hex1, hex2):
dec1 = stringlib.decode_hex(hex1)
dec2 = stringlib.decode_hex(hex2)
xored = strxor.strxor(dec1, dec2)
return stringlib.encode_hex(xored).lower()
def solve(hex1, hex2):
dec1 = stringlib.decode_hex(hex1)
dec2 = stringlib.decode_hex(hex2)
xored = strxor.strxor(dec1, dec2)
return stringlib.encode_hex(xored).lower()
