diff options
| author | DesWurstes <DesWurstes@users.noreply.github.com> | 2018-07-07 12:10:53 +0300 |
|---|---|---|
| committer | Andy Polyakov <appro@openssl.org> | 2018-07-09 12:35:02 +0200 |
| commit | c118fb92386cc6f81aadf2a64473e94bac938cee (patch) | |
| tree | 227e0dda3311e5a931fd563d9acda77bd5a95415 /crypto/modes | |
| parent | 9e26532295c579afa91a3edf0864b380a5f0ec16 (diff) | |
modes/ocb128.c: improve the calculation of double mask
CLA: trivial
Reviewed-by: Andy Polyakov <appro@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6667)
Diffstat (limited to 'crypto/modes')
| -rw-r--r-- | crypto/modes/ocb128.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/modes/ocb128.c b/crypto/modes/ocb128.c index 76591e6992..72e6ea9b58 100644 --- a/crypto/modes/ocb128.c +++ b/crypto/modes/ocb128.c @@ -74,7 +74,7 @@ static void ocb_double(OCB_BLOCK *in, OCB_BLOCK *out) */ mask = in->c[0] & 0x80; mask >>= 7; - mask *= 135; + mask = (0 - mask) & 0x87; ocb_block_lshift(in->c, 1, out->c); |