From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr1-f52.google.com (mail-wr1-f52.google.com [209.85.221.52]) by sourceware.org (Postfix) with ESMTPS id 7962038515F7 for ; Thu, 31 Mar 2022 21:57:48 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 7962038515F7 Received: by mail-wr1-f52.google.com with SMTP id a1so1567603wrh.10 for ; Thu, 31 Mar 2022 14:57:48 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Oj3InDsaOtTC/YLSjbMymjGt+xUkpHxFMwxRJFuu5cE=; b=pxAclU2dC9BMP0bCkZV3hSC+2jv0YV82n60iqW0Am5ywyIFjA3s0LYKTpTOuTSgVcf /yCOEkGEpaXJohTmW3/VwGpp5d9usbsK+VJC95lQaTHWH+xHfymHfxfUzDHe0z8v4yZY RYLK61FYWnZV0yoENu2eGu7KM8QUeQiGG02c8mplWd6h91svFmyUc4Cc7FEjTJcP4jUH VAigZP1XuToBbj8wps/sktHkZdTP63CSyjBnbSCj6RsEz1tl9paM8UoXuqMCDQhvfjl5 S0jRr9pKn9lCxtVIiiHojtc3qOPlFlIjclhfTLPbQmPDH+aCYNlH5ZqFrexd9fsPenL+ b0/w== X-Gm-Message-State: AOAM530PgDmAd5AiISk4HFKbCGD34ASXlOL7XjDUFLRSTojaQPJTi3Dp XILQB2pg4f+Ic+a2PYuCupFoYftqJLk7ULFVNZ8h8J4ayto= X-Google-Smtp-Source: ABdhPJyPnEaGwmbWAZZCZgUKfi28SZJGfloDxY1Myyoba7NpFsq2RxomfRceueGoAcjmxloq6UQaVm/w+OujgWtmgKQ= X-Received: by 2002:adf:fcce:0:b0:203:dcdb:dd80 with SMTP id f14-20020adffcce000000b00203dcdbdd80mr5767907wrs.455.1648763867503; Thu, 31 Mar 2022 14:57:47 -0700 (PDT) MIME-Version: 1.0 References: <20220328220936.2724834-1-goldstein.w.n@gmail.com> <7b48ece6-392a-0850-c136-01ab751273ef@linaro.org> <72332228-093c-5186-789f-8616cfb93793@linaro.org> <0198ce75-8a8e-4355-eed1-f69dfb6f40f0@linaro.org> In-Reply-To: From: =?UTF-8?Q?Cristian_Rodr=C3=ADguez?= Date: Thu, 31 Mar 2022 18:57:35 -0300 Message-ID: Subject: Re: [PATCH v1 1/2] random-bits: Factor out entropy generating function To: "Jason A. Donenfeld" Cc: Adhemerval Zanella , Noah Goldstein , GNU C Library , Florian Weimer Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-2.9 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, KAM_DMARC_STATUS, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 Mar 2022 21:57:50 -0000 On Thu, Mar 31, 2022 at 12:32 PM Jason A. Donenfeld wrote: > > Just so we're on the same page here, is this a discussion about > optimizing https://code.woboq.org/userspace/glibc/include/random-bits.h.html > ? > > You just need a super fast random uint32_t for some future pthread changes? > > If so, I can send a patch to return moderately secure integers here really fast. > > Jason That would be great if is better than the current solution.