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Diffstat (limited to 'crypt')
-rw-r--r--crypt/crypt_util.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/crypt/crypt_util.c b/crypt/crypt_util.c
index 2576ccb..04b262d 100644
--- a/crypt/crypt_util.c
+++ b/crypt/crypt_util.c
@@ -492,10 +492,20 @@ small_tables_done:
*
*/
- _ufc_clearmem((char*)__data->sb0, (int)sizeof(__data->sb0));
- _ufc_clearmem((char*)__data->sb1, (int)sizeof(__data->sb1));
- _ufc_clearmem((char*)__data->sb2, (int)sizeof(__data->sb2));
- _ufc_clearmem((char*)__data->sb3, (int)sizeof(__data->sb3));
+ if (__data->sb0 + sizeof (__data->sb0) == __data->sb1
+ && __data->sb1 + sizeof (__data->sb1) == __data->sb2
+ && __data->sb2 + sizeof (__data->sb2) == __data->sb3)
+ _ufc_clearmem(__data->sb0,
+ (int)sizeof(__data->sb0)
+ + (int)sizeof(__data->sb1)
+ + (int)sizeof(__data->sb2)
+ + (int)sizeof(__data->sb3));
+ else {
+ _ufc_clearmem(__data->sb0, (int)sizeof(__data->sb0));
+ _ufc_clearmem(__data->sb1, (int)sizeof(__data->sb1));
+ _ufc_clearmem(__data->sb2, (int)sizeof(__data->sb2));
+ _ufc_clearmem(__data->sb3, (int)sizeof(__data->sb3));
+ }
for(sg = 0; sg < 4; sg++) {
int j1, j2;