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This is version 2.5a of Snefru. Version 2.5a implements the same algorithm as Versions 2.0, 2.1, 2.2, and 2.3. Version 2.5a allows 8 passes, and includes the necessary tables for 8 passes. The use of 4 passes for production use is not recommended at this time. While 4 pass Snefru has not been broken as of 90.11.30, the use of additional passes seems advisable in view of the break of 2 pass Snefru. Snefru reads from the standard input, hashes whatever is read, and writes the hash result (in hex) to the standard output. While 2.5a has not been optimized for speed, it should provide reasonable performance. At the same time, the implementation should be relatively easy to understand. One C source file has been provided: snefru.c To compile, simply say: cc -o snefru snefru.c The shell script "testSnefru" is provided, along with the correct output values in "correctSnefruOutput". Simply execute testSnefru to test the hash function. To generate a version of Snefru that produces 256-bit output, say: cc -o snefru256 -DOUTPUT_BLOCK_SIZE=8 snefru.c To test this version, execute the shell file "testSnefru256".
Name Last modified Size
Parent Directory - README 14-Jun-2000 00:00 1.1K README.local 14-Jun-2000 00:00 1.1K correctSnefru256Output 14-Jun-2000 00:00 803 correctSnefruOutput 14-Jun-2000 00:00 407 snefru 14-Jun-2000 00:00 48K snefru.c 14-Jun-2000 00:00 78K snefru.shar 14-Jun-2000 00:00 88K snefru.shar.gz 14-Jun-2000 00:00 36K snefru.tar 14-Jun-2000 00:00 96K snefru.tar.gz 14-Jun-2000 00:00 35K snefru.uu 14-Jun-2000 00:00 59K snefru256 14-Jun-2000 00:00 48K snefru256Output 14-Jun-2000 00:00 803 snefruOutput 14-Jun-2000 00:00 407 testSnefru 14-Jun-2000 00:00 1.6K testSnefru256 14-Jun-2000 00:00 1.7K
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