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Diffstat (limited to 'src/lib/des425/key_parity.c')
| -rw-r--r-- | src/lib/des425/key_parity.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/lib/des425/key_parity.c b/src/lib/des425/key_parity.c new file mode 100644 index 0000000000..42420a6413 --- /dev/null +++ b/src/lib/des425/key_parity.c @@ -0,0 +1,51 @@ +/* + * $Source$ + * $Author$ + * + * Copyright 1989, 1990 by the Massachusetts Institute of Technology. + * All Rights Reserved. + * + * For copying and distribution information, please see the file + * <krb5/copyright.h>. + * + * These routines check and fix parity of encryption keys for the DES + * algorithm. + * + * Under U.S. law, this software may not be exported outside the US + * without license from the U.S. Commerce department. + * + * These routines form the library interface to the DES facilities. + * + */ + +#if !defined(lint) && !defined(SABER) +static char rcsid_key_parity_c[] = +"$Id$"; +#endif /* !lint & !SABER */ + +#include "des.h" + +/* + * des_fixup_key_parity: Forces odd parity per byte; parity is bits + * 8,16,...64 in des order, implies 0, 8, 16, ... + * vax order. + */ +void +des_fixup_key_parity(key) + register mit_des_cblock key; +{ + mit_des_fixup_key_parity(key); +} + +/* + * des_check_key_parity: returns true iff key has the correct des parity. + * See des_fix_key_parity for the definition of + * correct des parity. + */ +int +des_check_key_parity(key) + register mit_des_cblock key; +{ + return(mit_des_check_key_parity(key)); +} + |