diff options
author | Andy Polyakov <appro@openssl.org> | 2014-07-02 19:35:50 +0200 |
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committer | Andy Polyakov <appro@openssl.org> | 2014-07-02 19:35:50 +0200 |
commit | eca441b2b4d33d2a18d163ef9b4b3aff14251c73 (patch) | |
tree | b9e97c1a8106b1f774a05819a3059c8dc0ef2798 /crypto/bn/bn_exp.c | |
parent | 5cc99c6cf5e908df6b00b04af7f08e99c0698c7b (diff) |
bn_exp.c: fix x86_64-specific crash with one-word modulus.
PR: #3397
Diffstat (limited to 'crypto/bn/bn_exp.c')
-rw-r--r-- | crypto/bn/bn_exp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/bn/bn_exp.c b/crypto/bn/bn_exp.c index c121122f3c..2d051b2c35 100644 --- a/crypto/bn/bn_exp.c +++ b/crypto/bn/bn_exp.c @@ -909,7 +909,7 @@ int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p, /* Dedicated window==4 case improves 512-bit RSA sign by ~15%, but as * 512-bit RSA is hardly relevant, we omit it to spare size... */ - if (window==5) + if (window==5 && top>1) { void bn_mul_mont_gather5(BN_ULONG *rp,const BN_ULONG *ap, const void *table,const BN_ULONG *np, |