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| author | Rich Salz <rsalz@akamai.com> | 2015-07-22 06:44:50 -0400 |
|---|---|---|
| committer | Rich Salz <rsalz@openssl.org> | 2015-07-22 14:43:05 -0400 |
| commit | 9f040d6decca7930e978784c917f731e5c45e8f0 (patch) | |
| tree | c3e09cfde8f467f10f63ce01e787cd10d4c95bdd /crypto/bn/bn_mont.c | |
| parent | 4445704f912495227e9e99835e94219d7e79684c (diff) | |
Some cleanups for crypto/bn
Create bn_free_d utility routine and use it.
Fix RT3950
Also a missing cleanse, from Loganaden Velvindron (loganaden@gmail.com),
who noticed it in a Cloudflare patch.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Diffstat (limited to 'crypto/bn/bn_mont.c')
| -rw-r--r-- | crypto/bn/bn_mont.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/crypto/bn/bn_mont.c b/crypto/bn/bn_mont.c index c869101384..e3955fe475 100644 --- a/crypto/bn/bn_mont.c +++ b/crypto/bn/bn_mont.c @@ -196,7 +196,9 @@ static int BN_from_montgomery_word(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mont) rp = r->d; /* clear the top words of T */ - memset(&rp[r->top], 0, sizeof(*rp) * (max - r->top)); + i = max - r->top; + if (i) + memset(&rp[r->top], 0, sizeof(*rp) * i); r->top = max; n0 = mont->n0[0]; |