Linux cryptographic layer development
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From: Herbert Xu <herbert@gondor.apana.org.au>
To: Salvatore Benedetto <salvatore.benedetto@intel.com>
Cc: linux-crypto@vger.kernel.org
Subject: Re: [PATCH v5 3/3] crypto: kpp - Add ECDH software support
Date: Tue, 31 May 2016 14:55:25 +0800	[thread overview]
Message-ID: <20160531065525.GC13948@gondor.apana.org.au> (raw)
In-Reply-To: <1462830041-7582-4-git-send-email-salvatore.benedetto@intel.com>

On Mon, May 09, 2016 at 10:40:41PM +0100, Salvatore Benedetto wrote:
>
> +	do {
> +		if (tries++ >= MAX_TRIES)
> +			goto err_retries;
> +
> +		ecc_point_mult(pk, &curve->g, priv, NULL, curve->p, ndigits);
> +
> +	} while (ecc_point_is_zero(pk));

You might want to read this again.  The original code did this
because it changed the private key in the loop, in your code
priv is constant...

Cheers,
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

  reply	other threads:[~2016-05-31  7:38 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-09 21:40 [PATCH v5 0/3] Key-agreement Protocol Primitives (KPP) API Salvatore Benedetto
2016-05-09 21:40 ` [PATCH v5 1/3] crypto: Key-agreement Protocol Primitives API (KPP) Salvatore Benedetto
2016-05-31  6:42   ` Herbert Xu
2016-06-02 12:06     ` Benedetto, Salvatore
2016-06-08  2:54       ` Herbert Xu
2016-06-08 11:45         ` Salvatore Benedetto
2016-06-13  8:59           ` Herbert Xu
2016-05-09 21:40 ` [PATCH v5 2/3] crypto: kpp - Add DH software implementation Salvatore Benedetto
2016-05-31  6:52   ` Herbert Xu
2016-05-31  8:56     ` Benedetto, Salvatore
2016-05-09 21:40 ` [PATCH v5 3/3] crypto: kpp - Add ECDH software support Salvatore Benedetto
2016-05-31  6:55   ` Herbert Xu [this message]
2016-05-31  8:41     ` Benedetto, Salvatore
2016-05-10  7:02 ` [PATCH v5 0/3] Key-agreement Protocol Primitives (KPP) API Stephan Mueller
2016-05-10 12:49   ` Benedetto, Salvatore

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