資訊隱藏(steganography)軟體steghide

print("這行可是python，Jupyter Notebook真是魅力無窮,下面開始是linux系統指令，安裝steghide....")
 
!lsb_release -a
 
!pip install pydub
 
from google.colab import files
files.upload()
 
from IPython.display import Audio
 
from pydub import AudioSegment
sound = AudioSegment.from_mp3('musik.mp3')
sound.export('musik.wav', format="wav")
 
Audio('musik.wav')
 
with open('secret.txt', 'w') as f:
  x=input('輸入一小段文字，藏進檔案中：\r\n')
  f.write(x)
 
!cat secret.txt
 
"""steghide支援jpg, bmp, wav and au，其他不支援"""
 
!sudo apt install steghide
 
 
%%shell
steghide embed -cf musik.wav -ef secret.txt
 
Audio('musik.wav')
 
!steghide --help
 
 
%%shell
steghide --info musik.wav -p 123456
 
 
%%shell
rm secret.txt
ls
 
 
%%shell
steghide extract -sf musik.wav
 
!cat secret.txt