[Message Deleted] [modified]
-
then create a font that holds the ASCII char set twice, and make it the default font. :)
Luc Pattyn [Forum Guidelines] [My Articles]
This month's tips: - before you ask a question here, search CodeProject, then Google; - the quality and detail of your question reflects on the effectiveness of the help you are likely to get; - use PRE tags to preserve formatting when showing multi-line code snippets.
-
pmarfleet wrote:
How can you make this claim? In order to hide the data, you are going to have to modify some characters in the file. If I use a diff tool to compare the old and new versions of the file, it's going to flag up some differences. If you make changes to a file, they're going to be noticed.
You're wrong. You wrote all the above because you're not aware of occultism superanatural powers. :-D
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke -
You read it wrong.I said AS FAR AS READING THE FILE IS CONCERNED,the file remains 100% unmodified.Ofcourse i have to make some modification but that does not affect the size of the file or for that matter the readability of the file even by a bit.
Do you know a text file contains just character codes?
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke -
Hi guys...I am from Bangladesh and my knowledge is very limited.I have developed an algorithm using which any data can be hidden in a text file.After hiding the data in the text file,the size of the text file remains absolutely unchanged and there is no change whatsoever in the file's content as far as reading the file is concerned.I know there r lots of data hiding techniques.Guys can you plse tell me if this techniq has already been implemented the way i have done it...I mean hiding the data in a text file without changing the file size even by a single byte and you wont see a single replacement/change/distortion in any of the letters of the file.As far as reading the file is concerned...the file will remain 100% unchanged even after hiding the data in it.
modified on Tuesday, March 18, 2008 8:42 PM
-
Do you know a text file contains just character codes?
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke -
Are you using NTFS Alternate Data Streams? http://support.microsoft.com/kb/105763[^]
-
Are you using NTFS Alternate Data Streams? http://support.microsoft.com/kb/105763[^]
-
possible hint: ASCII is a 7-bit code. :)
Luc Pattyn [Forum Guidelines] [My Articles]
This month's tips: - before you ask a question here, search CodeProject, then Google; - the quality and detail of your question reflects on the effectiveness of the help you are likely to get; - use PRE tags to preserve formatting when showing multi-line code snippets.
-
If you have done it with techniques like Alternate Data Stream[^] , then it's not really data hiding. Please describe your idea. Matthias
-
I know that a text file contains only character codes.And knowing that i am claiming that i can hide data in the text file without replacing/changing/distorting any of the readable letters.
Pallab_GT wrote:
i am claiming that i can hide data in the text file without replacing/changing/distorting any of the readable letters
Then your claim is obviously false. Common sense dictates that data cannot be hidden in a file without requiring the file to be modified. If the file is modified, a diff tool will pick up the changes. If you still believe your claim is true, you are more deluded than I first thought. If you want to perform miracles, maybe you should consider changing careers and become a magician instead of a software developer.
Paul Marfleet "No, his mind is not for rent To any God or government" Tom Sawyer - Rush
-
Pallab_GT wrote:
i am claiming that i can hide data in the text file without replacing/changing/distorting any of the readable letters
Then your claim is obviously false. Common sense dictates that data cannot be hidden in a file without requiring the file to be modified. If the file is modified, a diff tool will pick up the changes. If you still believe your claim is true, you are more deluded than I first thought. If you want to perform miracles, maybe you should consider changing careers and become a magician instead of a software developer.
Paul Marfleet "No, his mind is not for rent To any God or government" Tom Sawyer - Rush
You are missing one point again and again...i am insisting upon the fact that i am not going to change/replace/distort any of the READBLE CHARACTERS. Before u pass comment u should know that it is not necessary that you will know each and every trick of software development.There might be things beyond ur knowing.One more thing...No body in this world knows everything.
-
You are missing one point again and again...i am insisting upon the fact that i am not going to change/replace/distort any of the READBLE CHARACTERS. Before u pass comment u should know that it is not necessary that you will know each and every trick of software development.There might be things beyond ur knowing.One more thing...No body in this world knows everything.
Pallab_GT wrote:
i am not going to change/replace/distort any of the READBLE CHARACTERS
All characters in a text file are readable. That's the whole point; data is stored in text files so it can be read by humans as well as computers. Have a look at the ASCII table[^]. Notice anything? That's right, all the characters are human-readable. Now ask yourself this: if all ASCII characters are readable, what changes can your algorithm make that won't be easily noticed?
Paul Marfleet "No, his mind is not for rent To any God or government" Tom Sawyer - Rush
-
You are missing one point again and again...i am insisting upon the fact that i am not going to change/replace/distort any of the READBLE CHARACTERS. Before u pass comment u should know that it is not necessary that you will know each and every trick of software development.There might be things beyond ur knowing.One more thing...No body in this world knows everything.
And what are the UNREADABLE CHARACTERS of a text file? I have to admit I know only a few tricks of software development :sigh: , but I'm striving to learn :rolleyes:
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke -
If you have done it with techniques like Alternate Data Stream[^] , then it's not really data hiding. Please describe your idea. Matthias
-
And what are the UNREADABLE CHARACTERS of a text file? I have to admit I know only a few tricks of software development :sigh: , but I'm striving to learn :rolleyes:
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain ClarkeSir,my knowledge of software development is very limited and you know a lot more than me. I will definitely share my idea...tell me...will it be something new if i can do what i claim? Aspects of my idea- 1.All readable/printable letters of the text file remains absolutely unchanged 2.The size of the file does not change even by a single byte after hiding the data.
-
Pallab_GT wrote:
i am not going to change/replace/distort any of the READBLE CHARACTERS
All characters in a text file are readable. That's the whole point; data is stored in text files so it can be read by humans as well as computers. Have a look at the ASCII table[^]. Notice anything? That's right, all the characters are human-readable. Now ask yourself this: if all ASCII characters are readable, what changes can your algorithm make that won't be easily noticed?
Paul Marfleet "No, his mind is not for rent To any God or government" Tom Sawyer - Rush
-
Sir,my knowledge of software development is very limted.I am a novice in comparison with u.I know u know a lot more than me. Can you plse tell me will it be something new if i can do what i am claiming to do?
Pallab_GT wrote:
Can you plse tell me will it be something new if i can do what i am claiming to do?
Not only will it be new, it will be a miracle :rolleyes: Haven't you learned anything from this discussion? You want to hide data in a text file without making noticeable changes. I have demonstrated to you that any change you make to the file is noticeable. Therefore your objective is impossible.
Paul Marfleet "No, his mind is not for rent To any God or government" Tom Sawyer - Rush
-
And what are the UNREADABLE CHARACTERS of a text file? I have to admit I know only a few tricks of software development :sigh: , but I'm striving to learn :rolleyes:
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarkeall the bytes between the logical end-of-file and the physical end-of-file is unreadable to the normal application associated with the file type. It can range up to an entire disk cluster (that is several sectors) without being noticed. :)
Luc Pattyn [Forum Guidelines] [My Articles]
This month's tips: - before you ask a question here, search CodeProject, then Google; - the quality and detail of your question reflects on the effectiveness of the help you are likely to get; - use PRE tags to preserve formatting when showing multi-line code snippets.
-
all the bytes between the logical end-of-file and the physical end-of-file is unreadable to the normal application associated with the file type. It can range up to an entire disk cluster (that is several sectors) without being noticed. :)
Luc Pattyn [Forum Guidelines] [My Articles]
This month's tips: - before you ask a question here, search CodeProject, then Google; - the quality and detail of your question reflects on the effectiveness of the help you are likely to get; - use PRE tags to preserve formatting when showing multi-line code snippets.
No Sir...i am not using that approach.I am usin a very simple but effective approach.And using this approach...i am being able to hide the data in a text file without any change/replacement/distortion whatsoever in the readable/printable letters of the file and without changing the file size.
-
all the bytes between the logical end-of-file and the physical end-of-file is unreadable to the normal application associated with the file type. It can range up to an entire disk cluster (that is several sectors) without being noticed. :)
Luc Pattyn [Forum Guidelines] [My Articles]
This month's tips: - before you ask a question here, search CodeProject, then Google; - the quality and detail of your question reflects on the effectiveness of the help you are likely to get; - use PRE tags to preserve formatting when showing multi-line code snippets.
OK, now put your text file on a floppy or perhaps transfer file content on a network. :)
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke