def encrypt(data_type):
# create hmac from the supplied mac password hashed with SHA-256
# digest algorithm and the supllied image or text data
h_mac = create_hmac(args['m'], bytes(data))
# join hmac and message data
secret = '%s--:--%s' % (h_mac, data)
# create a SHA-256 hash of the high-order 128 bit of the given password
key = hash_128_bit_pass(args['k'])
# encrypt the data using XTEA algorithm in CFB mode with the 128 bit
# SHA-256 hash of the password as key and a random seed of 8 bytes
iv = os.urandom(8)
encrypted_secret = crypt(key, secret, iv)
# prepend the iv to the encrypted data because it is required for
# the decryption and hide the data in the image
matroschka = stg.hide_msg(
image, '%s--:--%s--:--%s' % (data_type, iv, encrypted_secret))
# save the image containing the embeded and encrypted
# data to disk with the extension .ste
matroschka.save(args['image'])
print "successfully encrypted your secret message"
matroschka.show()
def encrypt(data_type):
# create hmac from the supplied mac password hashed with SHA-256
# digest algorithm and the supllied image or text data
h_mac = create_hmac(args['m'], bytes(data))
# join hmac and message data
secret = '%s--:--%s' % (h_mac, data)
# create a SHA-256 hash of the high-order 128 bit of the given password
key = hash_128_bit_pass(args['k'])
# encrypt the data using XTEA algorithm in CFB mode with the 128 bit
# SHA-256 hash of the password as key and a random seed of 8 bytes
iv = os.urandom(8)
encrypted_secret = crypt(key, secret, iv)
# prepend the iv to the encrypted data because it is required for
# the decryption and hide the data in the image
matroschka = stg.hide_msg(image, '%s--:--%s--:--%s' % (
data_type, iv, encrypted_secret))
# save the image containing the embeded and encrypted
# data to disk with the extension .ste
matroschka.save(args['image'])
print "successfully encrypted your secret message"
matroschka.show()
def encrypt(data_type):
h_mac = create_hmac(args['m'], bytes(data))
secret = '%s--:--%s' % (h_mac, data)
key = hash_128_bit_pass(args['k'])
iv = os.urandom(8)
encrypted_secret = crypt(key, secret, iv)
dark = stg.hide_msg(image,
'%s--:--%s--:--%s' % (data_type, iv, encrypted_secret))
dark.save(args['image'])
print "Cifrado con éxito su mensaje secreto"
dark.show()
def encrypt(data_type):
print "encryption called ... "
igest algorithm and the supllied image or text data
h_mac = create_hmac(args['m'], bytes(data))
secret = '%s--:--%s' % (h_mac, data)
key = hash_128_bit_pass(args['k'])
iv = os.urandom(8)
encrypted_secret = crypt(key, secret, iv)
matroschka = stg.hide_msg(image, '%s--:--%s--:--%s' % (data_type, iv, encrypted_secret))
print "length of the arguement is ", len(args['k'])
matroschka.save(args['image'])
print "message saved at path " + str(args['image'])
print "successfully encrypted your secret message"