From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4020F21D3E4; Thu, 26 Mar 2026 00:16:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774484205; cv=none; b=IIuGrv8asW/geH3iPGU/f2JxoLzXkWv1RUmHwLDEY9p8fGNDI2MQv0mrPH31jnK9woS7vBxzLv/gTj2b+thncHVSg358rWTJY/8EBDhCzjEoLmYKDIYsiq4iz+Y3QKrL4PrVzZ3Fs3VdvoYzYGa/FrKNJP+OLYGv/emo6wge2MY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774484205; c=relaxed/simple; bh=8RXRQarUEH5v46Pvke7LgdMNRlK7yH/04VpO240qSdY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gLu1AkBDoRLGKofH9OZvb8djA6HqiHqsQMSxX+SIJa+/cY6ueY18T+vpFMiua1jI3Ynzbyeu76hGmJzIOElnhsYDjkimnXe7KEeUU+BRX14ohOZOwznE6KwHpmCDIydRAytU1Za5L6oXGviluGMM22NyJB60YqXFweXtviu1RHI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FqhazUoT; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="FqhazUoT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 26978C4CEF7; Thu, 26 Mar 2026 00:16:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774484205; bh=8RXRQarUEH5v46Pvke7LgdMNRlK7yH/04VpO240qSdY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FqhazUoTcDANuwlR0ubP5mgbR77uZCK281aBYKQrHpu1PTu8FdHXW7/83zylTM5dg qv5jfNNJVUGgJgxC24bqFSMV5ejFeWUjltDawJcrgYYaQrMa27zG1WbE4ywFkkVkcF ACWqgxZlKCa76XQhbxz6mMuve9yDq3am4+oNxIl0jeyvSUV13zyf6D45wyMVVeUYjL wf6+zaI01Ab8Duizg0OIPDd+IEB9ORIyLNLplCB3owwyRnSLMG/NYGLaDKYKoBBMOf 27q2kmqF4+peqIxAt2b37m4oV5G7ALOOXWdztsb9q6k0BSSIpwZ1RYUD7+fJkDcpeV BMM7EHM3O/cdA== From: Eric Biggers To: linux-crypto@vger.kernel.org, Herbert Xu Cc: linux-kernel@vger.kernel.org, "Jason A . Donenfeld" , Stephan Mueller , Eric Biggers Subject: [PATCH 02/11] crypto: dh - Use crypto_stdrng_get_bytes() Date: Wed, 25 Mar 2026 17:14:58 -0700 Message-ID: <20260326001507.66500-3-ebiggers@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260326001507.66500-1-ebiggers@kernel.org> References: <20260326001507.66500-1-ebiggers@kernel.org> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Replace the sequence of crypto_get_default_rng(), crypto_rng_get_bytes(), and crypto_put_default_rng() with the equivalent helper function crypto_stdrng_get_bytes(). Signed-off-by: Eric Biggers --- crypto/dh.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/crypto/dh.c b/crypto/dh.c index 8250eeeebd0f..7ad4768716c8 100644 --- a/crypto/dh.c +++ b/crypto/dh.c @@ -386,17 +386,11 @@ static void *dh_safe_prime_gen_privkey(const struct dh_safe_prime *safe_prime, /* * 5.6.1.1.3, step 3 (and implicitly step 4): obtain N + 64 * random bits and interpret them as a big endian integer. */ - err = -EFAULT; - if (crypto_get_default_rng()) - goto out_err; - - err = crypto_rng_get_bytes(crypto_default_rng, (u8 *)key, - oversampling_size); - crypto_put_default_rng(); + err = crypto_stdrng_get_bytes(key, oversampling_size); if (err) goto out_err; /* * 5.6.1.1.3, step 5 is implicit: 2^N < q and thus, -- 2.53.0