diff options
Diffstat (limited to 'src/include/k5-int.h')
| -rw-r--r-- | src/include/k5-int.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/include/k5-int.h b/src/include/k5-int.h index 2a4f1d8191..8a37e08e10 100644 --- a/src/include/k5-int.h +++ b/src/include/k5-int.h @@ -640,6 +640,16 @@ struct krb5_key_st { krb5_keyblock keyblock; int refcount; struct derived_key *derived; + /* + * Cache of data private to the cipher implementation, which we + * don't want to have to recompute for every operation. This may + * include key schedules, iteration counts, etc. + * + * The cipher implementation is responsible for setting this up + * whenever needed, and the enc_provider key_cleanup method must + * then be provided to dispose of it. + */ + void *cache; }; /* new encryption provider api */ @@ -668,6 +678,8 @@ struct krb5_enc_provider { krb5_data *out_state); krb5_error_code (*free_state)(krb5_data *state); + /* May be NULL if there is no key-derived data cached. */ + void (*key_cleanup)(krb5_key key); }; struct krb5_hash_provider { |