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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@273 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Björn Groenvall
1996-02-21 15:20:49 +00:00
parent bdbc25951c
commit 72f3d8e36a
2 changed files with 17 additions and 6 deletions
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1
lib/des/des.h
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@@ -72,6 +72,7 @@ int des_string_to_2keys __P((char *str,des_cblock *key1,des_cblock *key2));
void des_set_random_generator_seed __P((des_cblock *seed));
int des_new_random_key __P((des_cblock *key));
void des_init_random_number_generator __P((des_cblock *seed));
void des_set_sequence_number __P((unsigned char *ll));
int des_random_key __P((des_cblock ret));
int des_read_password __P((des_cblock *key,char *prompt,int verify));
int des_read_2passwords __P((des_cblock *key1,des_cblock *key2,char *prompt,int verify));

22
lib/des/rnd_keys.c
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@@ -57,11 +57,21 @@ do_initialize(void)
#define incr_long_long(ll) do { if (++ll[0] == 0) ++ll[1]; } while (0)
#define des_set_sequence_number(ll) \
do { \
memcpy((char *)sequence_index, (ll), sizeof(sequence_index)); \
} while (0)
#define set_sequence_number(ll) \
memcpy((char *)sequence_index, (ll), sizeof(sequence_index));
/*
* Set the sequnce number to this value (a long long).
*/
void
des_set_sequence_number(unsigned char *ll)
{
set_sequence_number(ll);
}
/*
* Set the generator seed and reset the sequence number to 0.
*/
void
des_set_random_generator_seed(des_cblock *seed)
{
@@ -129,14 +139,14 @@ des_init_random_number_generator(des_cblock *seed)
/* Pick a unique random key from the shared sequence. */
des_set_random_generator_seed(seed);
des_set_sequence_number((unsigned char *)uniq);
set_sequence_number((unsigned char *)uniq);
des_new_random_key(&new_key);
/* Select a new nonshared sequence, */
des_set_random_generator_seed(&new_key);
/* and use the current time to pick a key for the new sequence. */
des_set_sequence_number((unsigned char *)&now);
set_sequence_number((unsigned char *)&now);
des_new_random_key(&new_key);
des_set_random_generator_seed(&new_key);
}