Mercurial > dropbear
diff bn_mp_clear.c @ 200:c5c969ed76f3 libtommath
propagate from branch 'au.asn.ucc.matt.ltm-orig' (head 7fa10cba9535de3461cedb14b877c24858826204)
to branch 'au.asn.ucc.matt.dropbear.ltm' (head fc26f60de0370ab0a281fa41a2d13fb17c9d90a8)
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Wed, 11 May 2005 16:15:27 +0000 |
parents | 8e94663164c6 |
children |
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--- a/bn_mp_clear.c Fri May 06 08:59:30 2005 +0000 +++ b/bn_mp_clear.c Wed May 11 16:15:27 2005 +0000 @@ -19,14 +19,17 @@ void mp_clear (mp_int * a) { - int i; + volatile mp_digit *p; + int len; /* only do anything if a hasn't been freed previously */ if (a->dp != NULL) { /* first zero the digits */ - for (i = 0; i < a->used; i++) { - a->dp[i] = 0; - } + len = a->alloc; + p = a->dp; + while (len--) { + *p++ = 0; + } /* free ram */ XFREE(a->dp);