From owner-freebsd-questions@freebsd.org Thu Sep 26 18:42:10 2019 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id B30EF131154 for ; Thu, 26 Sep 2019 18:42:10 +0000 (UTC) (envelope-from 4250.10.freebsd-questions=freebsd.org@email-od.com) Received: from s1-b0c6.socketlabs.email-od.com (s1-b0c6.socketlabs.email-od.com [142.0.176.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 46fP0x1bW2z3KHl for ; Thu, 26 Sep 2019 18:42:08 +0000 (UTC) (envelope-from 4250.10.freebsd-questions=freebsd.org@email-od.com) DKIM-Signature: v=1; a=rsa-sha256; d=email-od.com;i=@email-od.com;s=dkim; c=relaxed/relaxed; q=dns/txt; t=1569523329; x=1572115329; h=content-transfer-encoding:content-type:mime-version:references:in-reply-to:message-id:subject:cc:to:from:date:x-thread-info; bh=mZPPiAlJpJSjBYUeris6WU8U9VVZ5PXG2VlyMo5fozc=; b=RtohyzMWmz/8Pusx+aKr2ksChssHyWVrM1k7G06rZXhoGPqA+HwCYOPFlQKjDzJ2gVJDmKELB4UfCFbfWKuGQwtKAGmB9Oi2AhSUfYTsDc/Z/o1tKx/a7o2i9M3ahBoJRj8aqr8sN38lyG3kuDAGM54NLXnKE+WaHrmeiG91Ua0= X-Thread-Info: NDI1MC4xMi4xYzMwMDAwMDE5ZjJkNTguZnJlZWJzZC1xdWVzdGlvbnM9ZnJlZWJzZC5vcmc= Received: from r3.us-west-2.aws.in.socketlabs.com (r3.us-west-2.aws.in.socketlabs.com [142.0.190.3]) by mxsg2.email-od.com with ESMTP(version=Tls12 cipher=Aes256 bits=256); Thu, 26 Sep 2019 14:42:05 -0400 Received: from smtp.lan.sohara.org (EMTPY [185.202.17.215]) by r3.us-west-2.aws.in.socketlabs.com with ESMTP(version=Tls12 cipher=Aes256 bits=256); Thu, 26 Sep 2019 14:42:03 -0400 Received: from [192.168.63.1] (helo=steve.lan.sohara.org) by smtp.lan.sohara.org with smtp (Exim 4.91 (FreeBSD)) (envelope-from ) id 1iDYiH-000Amo-Fj; Thu, 26 Sep 2019 19:42:01 +0100 Date: Thu, 26 Sep 2019 19:42:01 +0100 From: Steve O'Hara-Smith To: byrnejb@harte-lyne.ca Cc: "James B. Byrne via freebsd-questions" Subject: Re: Strange sha256 results Message-Id: <20190926194201.98497191c54e42f449f5b58d@sohara.org> In-Reply-To: <96b84667d0a2d19650183b09504e319c.squirrel@webmail.harte-lyne.ca> References: <96b84667d0a2d19650183b09504e319c.squirrel@webmail.harte-lyne.ca> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.32; amd64-portbld-freebsd12.0) X-Clacks-Overhead: "GNU Terry Pratchett" Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 46fP0x1bW2z3KHl X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=email-od.com header.s=dkim header.b=RtohyzMW; dmarc=none; spf=pass (mx1.freebsd.org: domain of 4250.10.freebsd-questions=freebsd.org@email-od.com designates 142.0.176.198 as permitted sender) smtp.mailfrom=4250.10.freebsd-questions=freebsd.org@email-od.com X-Spamd-Result: default: False [-1.74 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.96)[-0.957,0]; R_DKIM_ALLOW(-0.20)[email-od.com:s=dkim]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:142.0.176.0/20]; MV_CASE(0.50)[]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[sohara.org]; FORGED_SENDER_VERP_SRS(0.00)[]; NEURAL_HAM_LONG(-1.00)[-0.997,0]; RCVD_COUNT_THREE(0.00)[4]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[email-od.com:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[198.176.0.142.list.dnswl.org : 127.0.15.0]; ENVFROM_VERP(0.00)[]; IP_SCORE(0.21)[ip: (-0.44), ipnet: 142.0.176.0/22(0.89), asn: 7381(0.67), country: US(-0.05)]; FORGED_SENDER(0.00)[steve@sohara.org,4250.10.freebsd-questions=freebsd.org@email-od.com]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:7381, ipnet:142.0.176.0/22, country:US]; FROM_NEQ_ENVFROM(0.00)[steve@sohara.org,4250.10.freebsd-questions=freebsd.org@email-od.com]; MID_RHS_MATCH_FROM(0.00)[] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Sep 2019 18:42:10 -0000 On Thu, 26 Sep 2019 13:00:24 -0400 "James B. Byrne via freebsd-questions" wrote: > When I connect via ssh from a FreeBSD host to a recently created > CentOS-6.10 host I get this message: > > The fingerprint for the RSA key sent by the remote host is > SHA256:EKfevqVDSBpuq1TBFf/vRtEqVsP4gUjGoc5OGVtnntg > > > I have never seen a hash value in anything other than hexadecimal, Ssh uses base64 for SHA256 fingerprints because it is shorter (44 characters instead of 64 to represent 32 bytes) than the hex representation, the old md5 fingerprints were shorter (16 bytes) so hex was OK. -- Steve O'Hara-Smith