def enc_oracle():
global key
global iv
cipher = ch10.CBC(AES.new(key, AES.MODE_ECB), iv)
plaintext = binascii.a2b_base64( random.choice(strings) )
padded = ch9.pad_PCKS7(plaintext, 16)
return cipher.encrypt(padded)
def enc_oracle(plaintext):
global key
if key is None:
key = ch11.rand_bytes(16)
cipher = AES.new(key, AES.MODE_ECB)
plaintext += binascii.a2b_base64(postfix)
#plaintext = ch11.rand_padding(plaintext)
plaintext = ch9.pad_PCKS7(plaintext, 16)
return cipher.encrypt(plaintext)
def enc_oracle(plaintext):
global key
if key is None:
key = ch11.rand_bytes(16)
cipher = AES.new(key, AES.MODE_ECB)
plaintext += binascii.a2b_base64(postfix)
#plaintext = ch11.rand_padding(plaintext)
plaintext = ch9.pad_PCKS7(plaintext, 16)
return cipher.encrypt(plaintext)
def enc_userdata(s):
global key
global IV
prefix = "comment1=cooking%20MCs;userdata="
suffix = ";comment2=%20like%20a%20pound%20of%20bacon"
cipher = ch10.CBC(AES.new(key, AES.MODE_ECB), IV)
s = s.replace(';', '%3B').replace('=', '%3D')
s = (prefix + s + suffix).encode('utf-8')
s = ch9.pad_PCKS7(s, 16)
return cipher.encrypt(s)
def oracle(plaintext, num_bytes):
key = rand_bytes(num_bytes)
cipher = AES.new(key, AES.MODE_ECB)
plaintext = rand_padding(plaintext)
plaintext = ch9.pad_PCKS7(plaintext, num_bytes)
if random.randint(0, 1) == 1:
print("Using CBC")
IV = rand_bytes(num_bytes)
cipher = ch10.CBC(cipher, IV)
else:
print("Using ECB")
return cipher.encrypt(plaintext)
def oracle(plaintext, num_bytes):
key = rand_bytes(num_bytes)
cipher = AES.new(key, AES.MODE_ECB)
plaintext = rand_padding(plaintext)
plaintext = ch9.pad_PCKS7(plaintext, num_bytes)
if random.randint(0, 1) == 1:
print("Using CBC")
IV = rand_bytes(num_bytes)
cipher = ch10.CBC(cipher, IV)
else:
print("Using ECB")
return cipher.encrypt(plaintext)
def enc_oracle(plaintext):
global key
global prefix
global num
blk_sz = 16
if key == None:
key = gen_key(blk_sz)
if prefix == None:
num = random.randint(8, 64)
prefix = gen_prefix(num)
cipher = AES.new(key, AES.MODE_ECB)
plaintext = prefix + plaintext + binascii.a2b_base64(ch12.postfix)
plaintext = ch9.pad_PCKS7(plaintext, blk_sz)
return cipher.encrypt(plaintext)
def enc_oracle(plaintext):
global key
global prefix
global num
blk_sz = 16
if key == None:
key = gen_key(blk_sz)
if prefix == None:
num = random.randint(8, 64)
prefix = gen_prefix(num)
cipher = AES.new(key, AES.MODE_ECB)
plaintext = prefix + plaintext + binascii.a2b_base64(ch12.postfix)
plaintext = ch9.pad_PCKS7(plaintext, blk_sz)
return cipher.encrypt(plaintext)
def profile_encrypt(profile_str, key):
cipher = AES.new(key, AES.MODE_ECB)
return cipher.encrypt( ch9.pad_PCKS7(profile_str.encode(), 16) )