220 35482 <11540330.oQhaAa5Rg9@tjmaciei-mobl1> article Path: news.gmane.org!.POSTED!not-for-mail From: Thiago Macieira Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Re: On P0829 - a freestanding implementation Date: Thu, 23 Nov 2017 09:45:31 -0800 Lines: 21 Approved: news@gmane.org Message-ID: <11540330.oQhaAa5Rg9@tjmaciei-mobl1> References: <32147114.z48B4pQc9d@tjmaciei-mobl1> <2405194.zksCxUNAzK@tjmaciei-mobl1> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" X-Trace: blaine.gmane.org 1511459145 16402 195.159.176.226 (23 Nov 2017 17:45:45 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 23 Nov 2017 17:45:45 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCB4TK757YBRBQ4S3TIAKGQEWFV3WPI@isocpp.org Thu Nov 23 18:45:41 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-wm0-f69.google.com ([74.125.82.69]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eHvZ6-0003X1-Sr for gclcip-std-proposals@m.gmane.org; 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[78.47.120.188]) by mx.google.com with ESMTP id 91si15654568wrf.176.2017.11.23.09.45.39 for ; Thu, 23 Nov 2017 09:45:39 -0800 (PST) Received-SPF: pass (google.com: domain of thiago@macieira.org designates 78.47.120.188 as permitted sender) client-ip=78.47.120.188; Original-Received: from tjmaciei-mobl1.localnet (unknown [IPv6:2601:1c0:4501:5f9f:151a:2a2c:c27b:d69a]) by gondolin.macieira.info (Postfix) with ESMTPSA id 0B5A311A451 for ; Thu, 23 Nov 2017 09:45:39 -0800 (PST) In-Reply-To: X-Original-Sender: thiago@macieira.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of thiago@macieira.org designates 78.47.120.188 as permitted sender) smtp.mailfrom=thiago@macieira.org Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Google-Group-Id: 399137483710 List-Post: , List-Help: , List-Archive: List-Subscribe: , List-Unsubscribe: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:35482 Archived-At: On quarta-feira, 22 de novembro de 2017 22:19:23 PST Arthur O'Dwyer wrote: > For another example: I would be leery of code that claimed to seed a > "cryptographically secure" PRNG with nothing but the std::seed_seq > algorithm. The smarts for how to appopriately seed a PRNG engine (such as > the need to avoid all-bits-zero for the Mersenne Twister) *need* to be > programmed into the engine's own e.seed(q) method. And once the engine has > these smarts, it is pointless and stupid for q.generate() to do its *own* > "scrambling" on top of that. In other words, deprecate std::seed_seq? -- Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org Software Architect - Intel Open Source Technology Center -- You received this message because you are subscribed to the Google Groups "ISO C++ Standard - Future Proposals" group. To unsubscribe from this group and stop receiving emails from it, send an email to std-proposals+unsubscribe@isocpp.org. To post to this group, send email to std-proposals@isocpp.org. To view this discussion on the web visit https://groups.google.com/a/isocpp.org/d/msgid/std-proposals/11540330.oQhaAa5Rg9%40tjmaciei-mobl1. .