diff options
| author | Bodo Möller <bodo@openssl.org> | 2007-03-28 00:15:28 +0000 |
|---|---|---|
| committer | Bodo Möller <bodo@openssl.org> | 2007-03-28 00:15:28 +0000 |
| commit | bd31fb21454609b125ade1ad569ebcc2a2b9b73c (patch) | |
| tree | 812dbe6bff6096ca490e26dd48a6bc3fee51b320 /crypto/bn/bn_lib.c | |
| parent | b506821d43f0b0114d91b74398f0ead4b51cc32b (diff) | |
Change to mitigate branch prediction attacks
Submitted by: Matthew D Wood
Reviewed by: Bodo Moeller
Diffstat (limited to 'crypto/bn/bn_lib.c')
| -rw-r--r-- | crypto/bn/bn_lib.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/bn/bn_lib.c b/crypto/bn/bn_lib.c index 244a430d72..63cdc34c59 100644 --- a/crypto/bn/bn_lib.c +++ b/crypto/bn/bn_lib.c @@ -763,7 +763,7 @@ int BN_is_bit_set(const BIGNUM *a, int n) i=n/BN_BITS2; j=n%BN_BITS2; if (a->top <= i) return 0; - return((a->d[i]&(((BN_ULONG)1)<<j))?1:0); + return(((a->d[i])>>j)&((BN_ULONG)1)); } int BN_mask_bits(BIGNUM *a, int n) |