import Image
MAX = 25
pic = Image.new("RGB",(MAX, MAX))
str = "1111111000100001101111111100000101110010110100000110111010100000000010111011011101001000000001011101101110101110110100101110110000010101011011010000011111111010101010101111111000000001011101110000000011010011000001010011101101111010101001000011100000000000101000000001001001101000100111001111011100111100001110111110001100101000110011100001010100011010001111010110000010100010110000011011101100100001110011100100001011111110100000000110101001000111101111111011100001101011011100000100001100110001111010111010001101001111100001011101011000111010011100101110100100111011011000110000010110001101000110001111111011010110111011011"
i=0
for y in range (0,MAX):
for x in range (0,MAX):
if(str[i] == '1'):
pic.putpixel([x,y],(0, 0, 0))
else:
pic.putpixel([x,y],(255,255,255))
i = i+1
pic.show()
pic.save("flag.png")
看这个
github地址: https://github.com/solusipse/spectrology该工具可以将图像转换为具有相应光谱图编码的音频文件,这允许您通过音频文件中的图像隐藏隐藏的消息。
使用此工具可以选择要使用的频率范围,并支持所有流行的图像编解码器。
Usage
usage: spectrology.py [-h] [-o OUTPUT] [-b BOTTOM] [-t TOP] [-p PIXELS]
[-s SAMPLING]
INPUT
positional arguments:
INPUT Name of the image to be convected.
optional arguments:
-h, --helpshow this help message and exit
-o OUTPUT, --output OUTPUT
Name of the output wav file. Default value: out.wav).
-b BOTTOM, --bottom BOTTOM
Bottom frequency range. Default value: 200.
-t TOP, --top TOP Top frequency range. Default value: 20000.
-p PIXELS, --pixels PIXELS
Pixels per second. Default value: 30.
-s SAMPLING, --sampling SAMPLING
Sampling rate. Default value: 44100.
例如:
python spectrology.py test.bmp -b 13000 -t 19000