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[digest] Add HMAC-SHA1 based pseudorandom function and PBKDF2

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Both of these routines are used by 802.11 WPA, but they are generic
and could be needed by other protocols as well.

Signed-off-by: Marty Connor <mdc@etherboot.org>
This commit is contained in:
Joshua Oreman
2009-06-26 00:03:12 -07:00
committed by Marty Connor
parent 05d3be1048
commit 59b7d00c06
2 changed files with 174 additions and 0 deletions
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9
src/include/gpxe/sha1.h
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@@ -12,4 +12,13 @@ struct digest_algorithm;
extern struct digest_algorithm sha1_algorithm;
/* SHA1-wrapping functions defined in sha1extra.c: */
void prf_sha1 ( const void *key, size_t key_len, const char *label,
const void *data, size_t data_len, void *prf, size_t prf_len );
void pbkdf2_sha1 ( const void *passphrase, size_t pass_len,
const void *salt, size_t salt_len,
int iterations, void *key, size_t key_len );
#endif /* _GPXE_SHA1_H */