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DiffDaff enables easy comparison of files, folder comparison and the detection of differences between two web pages. The variations are classified as changes, deleted, non existing, and identical content. The variations are also color marked. The source code is accessible and parallel scrolling through the results is possible. Numerous options facilitate the work and simplify the location of differences. Additionally, the results can be numbered line by line or the line-breaks can be eliminated. DiffDaff is suitable for searches involving version differences, differences between websites, debugging source code, help with the version administration, comparison of backups, folder relations and much more. A learning curve is not necessary since the software and the results are self explanatory.
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fix xls file
hiding contents
change file times
compare xls
hiding PDF contents
A Speeder
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DiffDaff: http://www.diff-daff.com/download/diffdaff.exe
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Hermetic Stego is a steganography program which allows you to encrypt and hide the contents of any data file in another file so that the addition of the data to the container file will not noticeably change the appearance of that file. If the file which has been hidden is deleted then there is no indication that it even exists, but it can still be recovered when you need to get at it.
This program allows hiding a file of any size in one or more BMP image files, with or without the use of a user-specified stego/encryption key, so that (i) the presence of the hidden file is undetectable (even by forensic software using statistical methods) and (ii) if a user-specified stego key is used then the hidden file can be extracted only by someone, using this software, who knows that stego key.
Hermetic Stego allows two operations: (i) hiding a message file in single BMP image file or in a set of BMP images and (ii) extracting a message file from a single BMP image file or a set of them.
This program differs from others of this sort in two respects:
1. There is no limit on the size of the data file to be hidden because Hermetic Stego can hide a data file, not just in a single BMP image file, but in a set of them -- as many images as needed to contain the data file.
2. The bits of the data are inserted into the bytes of the image files randomly and in such a way as to defeat the use of statistical tests to reveal the presence of a hidden message.
3. The program can be used with a user-specified stego key or with a default stego key; use of a default stego key allows sending hidden data to another person who does not know what that stego key is.
Hermetic Stego: http://www.hermetic.ch/hst/hst_setup.zip
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