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openssl: Sync with upstream 1.0.2l

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(cherry picked from commit 67305d1b0a)
This commit is contained in:
Rémi Verschelde
2017-05-27 17:50:43 +02:00
parent 22e1512638
commit 1fea09bfeb
208 changed files with 3126 additions and 1711 deletions
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7
thirdparty/openssl/crypto/dsa/dsa_ossl.c vendored
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@@ -247,11 +247,13 @@ static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp,
do
if (!BN_rand_range(&k, dsa->q))
goto err;
while (BN_is_zero(&k)) ;
while (BN_is_zero(&k));
if ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0) {
BN_set_flags(&k, BN_FLG_CONSTTIME);
}
if (dsa->flags & DSA_FLAG_CACHE_MONT_P) {
if (!BN_MONT_CTX_set_locked(&dsa->method_mont_p,
CRYPTO_LOCK_DSA, dsa->p, ctx))
@@ -264,6 +266,8 @@ static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp,
if (!BN_copy(&kq, &k))
goto err;
BN_set_flags(&kq, BN_FLG_CONSTTIME);
/*
* We do not want timing information to leak the length of k, so we
* compute g^k using an equivalent exponent of fixed length. (This
@@ -282,6 +286,7 @@ static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp,
} else {
K = &k;
}
DSA_BN_MOD_EXP(goto err, dsa, r, dsa->g, K, dsa->p, ctx,
dsa->method_mont_p);
if (!BN_mod(r, r, dsa->q, ctx))