def get_config():
from crypt import AESCipher
config_path = os.path.dirname(os.path.abspath(__file__))
config_file = os.path.join(config_path, 'config.json')
with open(config_file, 'r') as f:
config = json.load(f)
crypt = AESCipher(config['CRYPT_KEY'])
config_developer_key = crypt.decrypt(config['DEVELOPER_KEY'])
config_login_user_name = crypt.decrypt(config['REMOT3_USER_NAME'])
config_login_password = crypt.decrypt(config['REMOT3_PASSWORD'])
return config_developer_key, config_login_user_name, config_login_password
def extract(in_file, out_file, password):
# Process source image
img = Image.open(in_file)
(width, height) = img.size
conv = img.convert("RGBA").getdata()
print "[+] Image size: %dx%d pixels." % (width, height)
# Extract LSBs
v = []
for h in range(height):
for w in range(width):
(r, g, b, a) = conv.getpixel((w, h))
v.append(r & 1)
v.append(g & 1)
v.append(b & 1)
data_out = assemble(v)
# Decrypt
cipher = AESCipher(password)
data_dec = cipher.decrypt(data_out)
# Write decrypted data
out_f = open(out_file, "wb")
out_f.write(data_dec)
out_f.close()
print "[+] Written extracted data to %s." % out_file
def extract(in_file, out_file, password):
# Process source image
img = Image.open(in_file)
(width, height) = img.size
conv = img.convert("RGBA").getdata()
print "[+] Image size: %dx%d pixels." % (width, height)
# Extract LSBs
v = []
for h in range(height):
for w in range(width):
(r, g, b, a) = conv.getpixel((w, h))
v.append(r & 1)
v.append(g & 1)
v.append(b & 1)
data_out = assemble(v)
# Decrypt
characters = string.ascii_letters + string.digits
for i in characters:
for j in characters:
for k in characters:
for l in characters:
password = i + j + k + l + "needmoneyandgirlfirend"
cipher = AESCipher(password)
data_dec = cipher.decrypt(data_out)
if len(data_dec) > 0 and filter(data_dec):
print password, data_dec
# Write decrypted data
print "[+] Written extracted data to %s." % out_file
def decrypt_params(self, s):
""" 解密参数 """
# 约定:首部填充21字节随机字符
s = base64.b64encode(base64.b64decode(s)[21:])
aes = AESCipher(self.config['crypt']['aeskey'])
decrypt_data = aes.decrypt(s.replace(' ', '+'))
return dict([(k, v[0]) for k, v in urlparse.parse_qs(decrypt_data).items()])
def extract(in_file, out_file, password):
# Process source image
img = Image.open(in_file)
(width, height) = img.size
conv = img.convert("RGBA").getdata()
print "[+] Image size: %dx%d pixels." % (width, height)
# Extract LSBs
v = []
for h in range(height):
for w in range(width):
(r, g, b, a) = conv.getpixel((w, h))
v.append(r & 1)
v.append(g & 1)
v.append(b & 1)
data_out = assemble(v)
# Decrypt
cipher = AESCipher(password)
data_dec = cipher.decrypt(data_out)
# Write decrypted data
out_f = open(out_file, "wb")
out_f.write(data_dec)
out_f.close()
print "[+] Written extracted data to %s." % out_file
def extract(inputf, outputf, password):
# Process source image
img = Image.open(inputf)
(width, height) = img.size
conv_image = img.convert("RGBA").getdata()
# Extract LSBs
v = []
for h in range(height):
for w in range(width):
(r, g, b, a) = conv_image.getpixel((w, h))
v.append(r & 1) #it will only append the lsb of each pixel
v.append(g & 1)
v.append(b & 1)
data_out = bits_to_binary(v)
# Decrypt
cipher = AESCipher(password)
data_dec = cipher.decrypt(data_out)
# Write decrypted data
out_f = open(outputf, "wb")
out_f.write(data_dec)
out_f.close()
print ">> Data extracted from stego.png to %s." % outputf
def decrypt(enc_str, platform=1):
aes = AESCipher(platform)
dec = aes.decrypt(urllib.unquote(enc_str))
return dec
