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Stripwire
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Hits: 21 |
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Date added: 12/13/2004 |
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Stripwire is a tool which demonstrates vulnerabilities in md5 checks described in this paper. Contains a perl script which proves that if md5(x) == md5(y), then md5(x+q) == md5(y+q) (assuming length(x) and length(y) are 0 mod 64, and q is any arbitrary data). This is true because once two blocks converge upon the same hash, the nature of them being different has thereafter been lost. |
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Stenographied File Transfer
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Hits: 10 |
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Date added: 12/13/2004 |
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Stenographied File Transfer Using Posix File Locks - How to transfer information to other users on secure systems by communicating with locked files. Includes some sample code that uses 32 locked files to transfer data on Posix systems. |
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SHA-256 Source Code
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Hits: 0 |
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Date added: 10/15/2005 |
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This optimized SHA-256 implementation conforms to FIPS-180-2. |
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