java中的隐写术 [英] steganography in java
问题描述
大家好，
我正在尝试加密gif图片中的消息。
有没有算法呢？
我能够创建新图像，甚至我检索图像的byte []。
我想知道如何添加消息在那个字节[]。
我们知道需要在LSB添加消息以保留
原始图像。我不知道如何在LSB添加。 />
当我在网上冲浪时，我看到了
http://www.dreamincode.net/forums/showtopic27950.htm
因为我无法获得Bit_Conversion和Encode_text。部分..
任何人都可以尽快帮助我..
提前致谢
-Thanks&此致，
Hamsa
Hi All,
I''m trying to encrypt the message in the gif image.
is there any algorithm for that to do?
I''m able to get create new image ,and even i retrieved the byte[] of the image.
I want to know how to add the "message" in that byte[].
As we know that messages needed to added at LSB inorder to retaining the
original image.I dont know how to add at LSB.
When i was surfing thro google i came across the contents at
http://www.dreamincode.net/forums/showtopic27950.htm
In that i couldnt get "Bit_Conversion" and "Encode_text" part..
can anyone pl help me ASAP..
Thanks in Advance
-Thanks & Regards,
Hamsa
推荐答案
大家好，
我正在尝试加密gif图像中的消息。
有没有算法可以做什么？
我能够创建新图像，甚至我检索了图像的byte []。
我想知道如何添加消息在那个字节[]。
我们知道需要在LSB添加消息以保留
原始图像。我不知道如何在LSB添加。 />
当我在网上冲浪时，我看到了
http://www.dreamincode.net/forums/showtopic27950.htm
因为我无法获得Bit_Conversion和Encode_text。部分..
任何人都可以尽快帮助我..
提前致谢
-Thanks&此致，
Hamsa
Hi All,
I''m trying to encrypt the message in the gif image.
is there any algorithm for that to do?
I''m able to get create new image ,and even i retrieved the byte[] of the image.
I want to know how to add the "message" in that byte[].
As we know that messages needed to added at LSB inorder to retaining the
original image.I dont know how to add at LSB.
When i was surfing thro google i came across the contents at
http://www.dreamincode.net/forums/showtopic27950.htm
In that i couldnt get "Bit_Conversion" and "Encode_text" part..
can anyone pl help me ASAP..
Thanks in Advance
-Thanks & Regards,
Hamsa
也许这
可以帮助你....
Sukatoa ......
Maybe this
could help you....
Sukatoa...
也许这
可以帮助你....
Sukatoa ...
Maybe this
could help you....
Sukatoa...
谢谢你Sukatoa ......我对此非常陌生......我需要一些LSB转换的地下室..你可以帮帮我吗？
-Thanks&问候，
Hamsa
Thank u Sukatoa... As i''m very much new to this.. I need some basement for that LSB Conversion.. Could u pl help me out?
-Thanks & regards,
Hamsa
谢谢你Sukatoa ......我对此非常陌生..我需要一些LSB转换的地下室..你可以帮帮我吗？
-Thanks&问候，
Hamsa
Thank u Sukatoa... As i''m very much new to this.. I need some basement for that LSB Conversion.. Could u pl help me out?
-Thanks & regards,
Hamsa
对于那些位操作：让xxxxxxxx为一个字节中的8位。设b为单个
位，为1或0.以下代码片段将xxxxxxxx的最低位改为
为b;这里是：
For those bit operations: let xxxxxxxx be the eight bits in a byte. Let b be a single
bit, either 1 or 0. The following code snippet changes the lowest bit of xxxxxxxx
to b; Here goes:
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