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author | jkim <jkim@FreeBSD.org> | 2015-12-03 17:22:58 +0000 |
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committer | jkim <jkim@FreeBSD.org> | 2015-12-03 17:22:58 +0000 |
commit | afd52a5fc90e70242dbb0e7d29987c976eb993e0 (patch) | |
tree | b0284af4e4144e27eb9f39e88c53868060774b16 /crypto/bn/bn_exp.c | |
parent | 64cb0c902e312216cdc4c826fc0be9ba9e1bf4da (diff) | |
download | FreeBSD-src-afd52a5fc90e70242dbb0e7d29987c976eb993e0.zip FreeBSD-src-afd52a5fc90e70242dbb0e7d29987c976eb993e0.tar.gz |
Import OpenSSL 1.0.2e.
Diffstat (limited to 'crypto/bn/bn_exp.c')
-rw-r--r-- | crypto/bn/bn_exp.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/crypto/bn/bn_exp.c b/crypto/bn/bn_exp.c index 24afdd6..50cf323 100644 --- a/crypto/bn/bn_exp.c +++ b/crypto/bn/bn_exp.c @@ -662,12 +662,13 @@ int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p, bn_check_top(p); bn_check_top(m); - top = m->top; - - if (!(m->d[0] & 1)) { + if (!BN_is_odd(m)) { BNerr(BN_F_BN_MOD_EXP_MONT_CONSTTIME, BN_R_CALLED_WITH_EVEN_MODULUS); return (0); } + + top = m->top; + bits = BN_num_bits(p); if (bits == 0) { ret = BN_one(rr); |