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deps: cherry-pick eca441b2 from OpenSSL

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Original commit message:

    bn_exp.c: fix x86_64-specific crash with one-word modulus.

    PR: #3397

Signed-off-by: Fedor Indutny <fedor@indutny.com>
This commit is contained in:
Fedor Indutny 2014-07-02 19:35:50 +02:00
parent e345253562
commit 20247064b6
2 changed files with 32 additions and 1 deletions
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2
deps/openssl/openssl/crypto/bn/bn_exp.c vendored
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@ -680,7 +680,7 @@ 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,

31
test/simple/test-crypto-dh-odd-key.js Normal file
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@ -0,0 +1,31 @@
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
var common = require('../common');
var assert = require('assert');
var crypto = require('crypto');
var odd = new Buffer(39);
odd.fill('A');
var c = crypto.createDiffieHellman(32);
c.setPrivateKey(odd);
c.generateKeys();