From patchwork Tue Apr 21 02:46:39 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herbert Xu X-Patchwork-Id: 6245221 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: X-Original-To: patchwork-linux-crypto@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id C35BDBF4A7 for ; Tue, 21 Apr 2015 02:46:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0188E20445 for ; Tue, 21 Apr 2015 02:46:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EC1F620429 for ; Tue, 21 Apr 2015 02:46:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751907AbbDUCqm (ORCPT ); Mon, 20 Apr 2015 22:46:42 -0400 Received: from helcar.hengli.com.au ([209.40.204.226]:33086 "EHLO helcar.hengli.com.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751273AbbDUCqm (ORCPT ); Mon, 20 Apr 2015 22:46:42 -0400 Received: from gondolin.me.apana.org.au ([192.168.0.6]) by norbury.hengli.com.au with esmtp (Exim 4.80 #3 (Debian)) id 1YkOCt-0001lq-RZ; Tue, 21 Apr 2015 12:46:39 +1000 Received: from herbert by gondolin.me.apana.org.au with local (Exim 4.80) (envelope-from ) id 1YkOCt-0007K6-LM; Tue, 21 Apr 2015 10:46:39 +0800 Subject: [v2 PATCH 3/11] crypto: rng - Add crypto_rng_set_entropy References: <20150421024436.GA28057@gondor.apana.org.au> To: Linux Crypto Mailing List , Stephan Mueller Message-Id: From: Herbert Xu Date: Tue, 21 Apr 2015 10:46:39 +0800 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds the function crypto_rng_set_entropy. It is only meant to be used by testmgr when testing RNG implementations by providing fixed entropy data in order to verify test vectors. Signed-off-by: Herbert Xu --- include/crypto/internal/rng.h | 6 ++++++ include/crypto/rng.h | 4 ++++ 2 files changed, 10 insertions(+) -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/include/crypto/internal/rng.h b/include/crypto/internal/rng.h index 76f3c95..93d41bc 100644 --- a/include/crypto/internal/rng.h +++ b/include/crypto/internal/rng.h @@ -26,4 +26,10 @@ static inline void *crypto_rng_ctx(struct crypto_rng *tfm) return crypto_tfm_ctx(&tfm->base); } +static inline void crypto_rng_set_entropy(struct crypto_rng *tfm, + const u8 *data, unsigned int len) +{ + crypto_rng_alg(tfm)->set_ent(tfm, data, len); +} + #endif diff --git a/include/crypto/rng.h b/include/crypto/rng.h index 133f044..cc22e52 100644 --- a/include/crypto/rng.h +++ b/include/crypto/rng.h @@ -32,6 +32,8 @@ struct crypto_rng; * up a new state, the seed must be provided by the * consumer while invoking this function. The required * size of the seed is defined with @seedsize . + * @set_ent: Set entropy that would otherwise be obtained from + * entropy source. Internal use only. * @seedsize: The seed size required for a random number generator * initialization defined with this variable. Some * random number generators does not require a seed @@ -45,6 +47,8 @@ struct rng_alg { const u8 *src, unsigned int slen, u8 *dst, unsigned int dlen); int (*seed)(struct crypto_rng *tfm, const u8 *seed, unsigned int slen); + void (*set_ent)(struct crypto_rng *tfm, const u8 *data, + unsigned int len); unsigned int seedsize;