headsort: streaming sort + 2x faster than gnu sort
...In general headsort can sort in 1/2 the time sort(1) (mergesort) does in situations involving either pipes or mult column selection; less than 1/2 with both. Best case was about opposite that of sort(1)*.
NEW* hsort main algorithm speed improvement (applies to all; 27,29,31). Now faster than sort(1) (in all cases tested).
Using triangulation, hsort begins piped sorted output when 1st bin is done. This means it has new applications in distributed computing and in some cases makes dc un-necessary. (gnu sort must finish all bins)
Well compatible with gnu sort (not perfect).
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PAM_PKA is a a PAM authentication module, enabling the use of cheap removable media for token authentication. PAM_PKA uses the DSA algorithm to perform public key authentication to verify the identity of the user requesting access rights.
sha is a file hashing utility that uses the NIST's SHA-1, SHA-256, SHA-384, & SHA-512 hash algorithms. It can be used for file integrity checking, remote file comparisons, etc. The portable algorithm implementations can be useful in other projects too.