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Update - OpenSSL 1.1.1-pre7-dev

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Hakase
2018-05-23 23:52:41 +09:00
parent e8a0afd4a0
commit ef253190c7
624 changed files with 189420 additions and 8064 deletions
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crypto/bn/bn_mont.c
+17 -10
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@@ -95,6 +95,8 @@ static int BN_from_montgomery_word(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mont)
/* clear the top words of T */
i = max - r->top;
if (i < 0)
return 0;
if (i)
memset(&rp[r->top], 0, sizeof(*rp) * i);
@@ -197,8 +199,10 @@ BN_MONT_CTX *BN_MONT_CTX_new(void)
{
BN_MONT_CTX *ret;
if ((ret = OPENSSL_malloc(sizeof(*ret))) == NULL)
if ((ret = OPENSSL_malloc(sizeof(*ret))) == NULL) {
BNerr(BN_F_BN_MONT_CTX_NEW, ERR_R_MALLOC_FAILURE);
return NULL;
}
BN_MONT_CTX_init(ret);
ret->flags = BN_FLG_MALLOCED;
@@ -208,9 +212,9 @@ BN_MONT_CTX *BN_MONT_CTX_new(void)
void BN_MONT_CTX_init(BN_MONT_CTX *ctx)
{
ctx->ri = 0;
bn_init(&(ctx->RR));
bn_init(&(ctx->N));
bn_init(&(ctx->Ni));
bn_init(&ctx->RR);
bn_init(&ctx->N);
bn_init(&ctx->Ni);
ctx->n0[0] = ctx->n0[1] = 0;
ctx->flags = 0;
}
@@ -219,10 +223,9 @@ void BN_MONT_CTX_free(BN_MONT_CTX *mont)
{
if (mont == NULL)
return;
BN_clear_free(&(mont->RR));
BN_clear_free(&(mont->N));
BN_clear_free(&(mont->Ni));
BN_clear_free(&mont->RR);
BN_clear_free(&mont->N);
BN_clear_free(&mont->Ni);
if (mont->flags & BN_FLG_MALLOCED)
OPENSSL_free(mont);
}
@@ -278,7 +281,9 @@ int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))
tmod.top = 2;
if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)
if (BN_is_one(&tmod))
BN_zero(Ri);
else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)
goto err;
if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))
goto err; /* R*Ri */
@@ -311,7 +316,9 @@ int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
buf[1] = 0;
tmod.top = buf[0] != 0 ? 1 : 0;
/* Ri = R^-1 mod N */
if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)
if (BN_is_one(&tmod))
BN_zero(Ri);
else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)
goto err;
if (!BN_lshift(Ri, Ri, BN_BITS2))
goto err; /* R*Ri */