Re: [PATCH] prng; bring prng into better alignment with specification

From: Herbert Xu
Date: Thu Jul 17 2008 - 03:49:18 EST


On Wed, Jul 16, 2008 at 04:32:00PM -0400, Neil Horman wrote:
> Bring prng into better alignment with specificaion:
>
> - Convert to using Generic AES 128 bit cipher
> - Convert DT to be a non-shifted counter, increasing counter period
>
> Signed-off-by: Neil Horman <nhorman@xxxxxxxxxxxxx>

Applied to cryptodev-2.6.
>
> @@ -325,17 +306,13 @@ int reset_prng_context(struct prng_context *ctx,
> unsigned char *V, unsigned char *DT)
> int ret;
> - int iv_len;
> int rc = -EFAULT;
> unsigned char *prng_key;
> - unsigned char *prng_iv;
> spin_lock(&ctx->prng_lock);
> ctx->flags |= PRNG_NEED_RESET;
>
> prng_key = (key != NULL) ? key : (unsigned char *)DEFAULT_PRNG_KEY;
>
> - prng_iv = iv ? iv : (unsigned char *)DEFAULT_PRNG_IV;

We can now kill the iv parameter too.

Thanks,
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