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* [legal] Relicense files under GPL2_OR_LATER_OR_UBDLMichael Brown2015-03-021-1/+1
| | | | | | | Relicense files for which I am the sole author (as identified by util/relicense.pl). Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [rng] Allow hash_df() to accept multiple underlying hash algorithmsMichael Brown2012-03-061-15/+3Star
| | | | Signed-off-by: Michael Brown <mcb30@ipxe.org>
* [rng] Add ANS X9.82 Approved Hash_df derivation functionMichael Brown2012-02-191-0/+30
ANS X9.82 specifies several Approved derivation functions for use in distributing entropy throughout a buffer. One such derivation function is Hash_df, which can be implemented using the existing iPXE SHA-1 functionality. Signed-off-by: Michael Brown <mcb30@ipxe.org>