linux-kernel - Re: [PATCH] prng: fix a few misc bugs in prng

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Message-ID: <20080717074615.GA23621@gondor.apana.org.au>
Date:	Thu, 17 Jul 2008 15:46:15 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Neil Horman <nhorman@...driver.com>
Cc:	linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
	davem@...emloft.net
Subject: Re: [PATCH] prng: fix a few misc bugs in prng

On Wed, Jul 16, 2008 at 04:29:16PM -0400, Neil Horman wrote:
> 
>  Fixing a few misc bugs in prng.c:
>  - Remove prng_key/prng_iv from prng_context (both kept in tfm ptr)
>  - Making _get_more_prng_bytes return meaningful err codes (not just -1/0)
>     
>  Signed-off-by: Neil Horman <nhorman@...driver.com>

Applied to cryptodev-2.6.

> @@ -369,8 +362,7 @@ int reset_prng_context(struct prng_context *ctx,
>  
>  	ctx->rand_data_valid = DEFAULT_BLK_SZ;
>  
> -	ret = crypto_blkcipher_setkey(ctx->tfm, ctx->prng_key,
> -					strlen(ctx->prng_key));
> +	ret = crypto_blkcipher_setkey(ctx->tfm, prng_key, strlen(prng_key));

Please make the length a parameter instead as it's much more
convenient to use a blob as a key rather than a string.

> diff --git a/firmware/Makefile b/firmware/Makefile
> index 809a526..3515814 100644
> --- a/firmware/Makefile
> +++ b/firmware/Makefile
> @@ -34,8 +34,8 @@ fw-shipped-$(CONFIG_SND_SB16_CSP) += sb16/mulaw_main.csp sb16/alaw_main.csp \
>  				     sb16/ima_adpcm_capture.csp
>  fw-shipped-$(CONFIG_SND_YMFPCI) += yamaha/ds1_ctrl.fw yamaha/ds1_dsp.fw \
>  				   yamaha/ds1e_ctrl.fw
> -fw-shipped-$(CONFIG_TIGON3) += tigon/tg3.bin tigon/tg3_tso.bin \
> -			       tigon/tg3_tso5.bin
> +#fw-shipped-$(CONFIG_TIGON3) += tigon/tg3.bin tigon/tg3_tso.bin \
> +#			       tigon/tg3_tso5.bin
>  fw-shipped-$(CONFIG_USB_DABUSB) += dabusb/firmware.fw dabusb/bitstream.bin
>  fw-shipped-$(CONFIG_USB_EMI26) += emi26/loader.fw emi26/firmware.fw \
>  				  emi26/bitstream.fw

The dreaded firmware makes a comeback :)

Thanks,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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