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early-access version 2698

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pineappleEA
2022-04-24 22:29:35 +02:00
parent c96f949832
commit caa0c2911b
486 changed files with 37806 additions and 14362 deletions
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40
externals/libressl/crypto/bn/bn_gcd.c vendored
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@@ -1,4 +1,4 @@
/* $OpenBSD: bn_gcd.c,v 1.15 2017/01/29 17:49:22 beck Exp $ */
/* $OpenBSD: bn_gcd.c,v 1.16 2021/12/26 15:16:50 tb Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@@ -576,6 +576,9 @@ BN_mod_inverse_no_branch(BIGNUM *in, const BIGNUM *a, const BIGNUM *n,
bn_check_top(a);
bn_check_top(n);
BN_init(&local_A);
BN_init(&local_B);
BN_CTX_start(ctx);
if ((A = BN_CTX_get(ctx)) == NULL)
goto err;
@@ -608,10 +611,12 @@ BN_mod_inverse_no_branch(BIGNUM *in, const BIGNUM *a, const BIGNUM *n,
A->neg = 0;
if (B->neg || (BN_ucmp(B, A) >= 0)) {
/* Turn BN_FLG_CONSTTIME flag on, so that when BN_div is invoked,
* BN_div_no_branch will be called eventually.
*/
/*
* Turn BN_FLG_CONSTTIME flag on, so that when BN_div is invoked,
* BN_div_no_branch will be called eventually.
*/
pB = &local_B;
/* BN_init() done at the top of the function. */
BN_with_flags(pB, B, BN_FLG_CONSTTIME);
if (!BN_nnmod(B, pB, A, ctx))
goto err;
@@ -633,10 +638,12 @@ BN_mod_inverse_no_branch(BIGNUM *in, const BIGNUM *a, const BIGNUM *n,
* sign*Y*a == A (mod |n|)
*/
/* Turn BN_FLG_CONSTTIME flag on, so that when BN_div is invoked,
* BN_div_no_branch will be called eventually.
*/
/*
* Turn BN_FLG_CONSTTIME flag on, so that when BN_div is invoked,
* BN_div_no_branch will be called eventually.
*/
pA = &local_A;
/* BN_init() done at the top of the function. */
BN_with_flags(pA, A, BN_FLG_CONSTTIME);
/* (D, M) := (A/B, A%B) ... */
@@ -740,6 +747,9 @@ BN_gcd_no_branch(BIGNUM *in, const BIGNUM *a, const BIGNUM *n,
goto err;
R = in;
BN_init(&local_A);
BN_init(&local_B);
bn_check_top(a);
bn_check_top(n);
@@ -768,10 +778,12 @@ BN_gcd_no_branch(BIGNUM *in, const BIGNUM *a, const BIGNUM *n,
A->neg = 0;
if (B->neg || (BN_ucmp(B, A) >= 0)) {
/* Turn BN_FLG_CONSTTIME flag on, so that when BN_div is invoked,
* BN_div_no_branch will be called eventually.
*/
/*
* Turn BN_FLG_CONSTTIME flag on, so that when BN_div is invoked,
* BN_div_no_branch will be called eventually.
*/
pB = &local_B;
/* BN_init() done at the top of the function. */
BN_with_flags(pB, B, BN_FLG_CONSTTIME);
if (!BN_nnmod(B, pB, A, ctx))
goto err;
@@ -793,10 +805,12 @@ BN_gcd_no_branch(BIGNUM *in, const BIGNUM *a, const BIGNUM *n,
* sign*Y*a == A (mod |n|)
*/
/* Turn BN_FLG_CONSTTIME flag on, so that when BN_div is invoked,
* BN_div_no_branch will be called eventually.
*/
/*
* Turn BN_FLG_CONSTTIME flag on, so that when BN_div is invoked,
* BN_div_no_branch will be called eventually.
*/
pA = &local_A;
/* BN_init() done at the top of the function. */
BN_with_flags(pA, A, BN_FLG_CONSTTIME);
/* (D, M) := (A/B, A%B) ... */