How to embed hidden messages in picture files (OS X)如何嵌入隐藏的讯息,图片档案( OS X中)

by Ross McKillop on August 12, 2008 Ross麦基洛普 2008年8月12日

陆委会安全

Yes, just like in the movie是的,就像在电影中 Along Came a Spider沿来到蜘蛛 , you too can hide messages inside of jpg, gif, png and other picture files. ,你也可以隐藏的讯息内的JPG , GIF , PNG及其他图片文件。

  1. First up, download and install首先,下载并安装 iSteg isteg . The installation is a breeze - just unzip the file, open the .dmg and drag iSteg to your Applications folder.安装是一件轻而易举的-刚才解压缩文件,打开。 D MG的并拖动i steg到您的应用程序文件夹。 Launch it from there.发射它从那里。
  2. Enter a password in the Password: field.输入密码,在密码:外地。 This is the password that the person receiving your encrypted picture will need to know in order to extract the hidden message.这是密码,该人接受您的加密图片将需要知道,为了提取隐藏的讯息。

  3. click to enlarge点击放大

  4. Click the plus (+) button next to the Source Picture File field, and navigate to the picture you want to hide a message in. Select it and click the Choose button.单击加号( + )按钮,旁边的源图片文件领域,并浏览到您要的图片,以隐藏的讯息英寸选中它并点击选择按钮。
  5. Open your favorite text editor and write out the message you want to send/embed in the picture.打开您最喜爱的文本编辑器,并写出想要的邮件发送/嵌入中的图片。 Save the file.保存该文件。
  6. Back in iSteg, click the plus (+) button next to the Source Text File field.早在isteg ,单击加号( + )按钮,旁边的源文本文件领域。 Navigate to the text file you just created and saved, select it, and click the Choose button.浏览到文本文件,你刚才创建并保存,选中它,按一下选择按钮。

  7. click to enlarge点击放大

  8. Click the Process button.按一下按钮的过程 Give a name to the output file and select a location to save it.给一个名称以输出文件,并选择一个保存位置。 Click Save .单击保存
  9. iSteg will do its thing, and you’ll be presented with a summary window. isteg将尽自己的事,您会得到一个简要的窗口。 Click the Close button.单击关闭按钮。

  10. click to enlarge点击放大

  11. Now send your picture (the output one) to whomever you wanted to share your secret message with.现在发送您的图片(输出1 )谁你想分享您的秘密讯息。 They too will need to use iSteg to retrieve the hidden message (or outguess 2.0, or another app that is a front-end for outguess 2.0).他们也将需要使用isteg检索隐藏的讯息(或outguess 2.0 ,或其他亚洲浆纸这是一个前端为outguess 2.0 ) 。
  12. When they have the file, they’ll need to enter the same password in the Password: field, and select that file using the Source Picture File button.当他们有档案,他们将需要输入相同的密码的密码:场,并选择该文件的来源,使用的图片文件按钮。 But this time, they’ll have to remove the check mark from the Encode: field.但这个时候,他们将要取消选中马克从编码:外地。

  13. click to enlarge点击放大

  14. Then click Process to decrypt the file.然后单击程序,以解密档案。 If the password is correct, they’ll be asked to give the output file a name, and a location to save it.如果密码是正确的话,他们会被要求提供输出文件的名称,以及保存位置。
  15. iSteg will once again do its thing, and this time a summary window of the decoding process will be displayed. isteg将再次尽自己的事,这个时候的概要的窗口,解码过程中会被显示。

  16. click to enlarge点击放大

  17. When they open the file that iSteg created, it will contain your secret hidden message.当他们打开该文件指出, isteg建立,它将包含您的秘密隐藏的讯息。
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