From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: util-linux-owner@vger.kernel.org Received: from mailgw02.dd24.net ([193.46.215.43]:36690 "EHLO mailgw02.dd24.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754497AbaA1VmI (ORCPT ); Tue, 28 Jan 2014 16:42:08 -0500 Received: from localhost (amavis01.dd24.net [192.168.1.111]) by mailgw02.dd24.net (Postfix) with ESMTP id BC777356C01 for ; Tue, 28 Jan 2014 21:42:05 +0000 (GMT) Received: from mailgw02.dd24.net ([192.168.1.197]) by localhost (amavis01.dd24.net [192.168.1.105]) (amavisd-new, port 10197) with ESMTP id 3DpALMRTchxG for ; Tue, 28 Jan 2014 21:42:04 +0000 (GMT) Received: from [192.168.0.102] (ppp-88-217-95-172.dynamic.mnet-online.de [88.217.95.172]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mailgw02.dd24.net (Postfix) with ESMTPSA id 1C640356BFF for ; Tue, 28 Jan 2014 21:42:04 +0000 (GMT) Message-ID: <1390945287.7021.16.camel@heisenberg.scientia.net> Subject: Re: fdisk: add GPT partition types for plain dm-crypt and LUKS From: Christoph Anton Mitterer To: util-linux@vger.kernel.org Date: Tue, 28 Jan 2014 22:41:27 +0100 In-Reply-To: <52E8210F.2000007@ubuntu.com> References: <1390934933.15213.17.camel@heisenberg.scientia.net> <52E819BF.4090503@ubuntu.com> <1390943356.7021.7.camel@heisenberg.scientia.net> <52E8210F.2000007@ubuntu.com> Content-Type: multipart/signed; micalg="sha-512"; protocol="application/x-pkcs7-signature"; boundary="=-XvI1ILt28VI6x1r5kA7W" Mime-Version: 1.0 Sender: util-linux-owner@vger.kernel.org List-ID: --=-XvI1ILt28VI6x1r5kA7W Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, 2014-01-28 at 16:28 -0500, Phillip Susi wrote: > On 01/28/2014 04:09 PM, Christoph Anton Mitterer wrote: > > - for plain dm-crypt it's a "good" way to make it recognisable > Or use LUKS instead. Well some people don't want to do so... whether that makes sense or not.. is probably up to them :) > The problem with hints is that they often tend to be wrong, which is > why Linux ignores them and goes straight to looking at what is in the > partition. Sure and that's likely the best approach,... but there is not only Linux ;-) > If it isn't used then why have it? All it does is add confusion. Again... other systems may use it... there is the ID for the ESP, which is definitely used... and you never know which other system (other OS, bootloader) comes a long and tries to do something based on it. Anyway.. as I said... no one is forced to use it at all... it just sounds better to have something defined that to leave that open and have people choose anything... And this mail was merely to inform fdisk upstream that these values were now "chosen". > >> Linux doesn't use partition IDs. > > Phew... that's not fully true... not even for the kernel which I > > think still contains the code to do MD auto assembly with 0.9 > > superblocks when some MBR partition type is set... > That's the exception and is depreciated/legacy behavior from the days > before initrd/initramfs. Well but that exception just proves my point.. that feature was deprecated for good reason as it caused many issues... and you cannot guarantee that no one else (e.g. outside the FLOSS world) comes along and adds some other seemingly smart functionality... and at least one could hope that such someone wouldn't touch any IDs which clearly don't "belong" to him. > >> Also isn't plain dm-crypt depreciated? > > Why should it be? > For all of the reasons that LUKS was created. In particular, the lack > of the ability to identify the thing. Well I guess the main reason was rather to have the functionality with key slots, and have the cipher/hash/mode/etc. stored. Aprart from that one would usually rather try not to run around shouting that one has an encrypted container... Cheers, Chris. --=-XvI1ILt28VI6x1r5kA7W Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgMFADCABgkqhkiG9w0BBwEAAKCCEP4w ggV1MIIDXaADAgECAgMBAYIwDQYJKoZIhvcNAQEFBQAwVDEUMBIGA1UEChMLQ0FjZXJ0IEluYy4x HjAcBgNVBAsTFWh0dHA6Ly93d3cuQ0FjZXJ0Lm9yZzEcMBoGA1UEAxMTQ0FjZXJ0IENsYXNzIDMg Um9vdDAeFw0xMjA3MjMxNDU2NDVaFw0xNDA3MjMxNDU2NDVaMHwxITAfBgNVBAMTGENocmlzdG9w aCBBbnRvbiBNaXR0ZXJlcjEkMCIGCSqGSIb3DQEJARYVY2FsZXN0eW9Ac2NpZW50aWEubmV0MTEw LwYJKoZIhvcNAQkBFiJtYWlsQGNocmlzdG9waC5hbnRvbi5taXR0ZXJlci5uYW1lMIIBIjANBgkq hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqv+F91K5vyBwiGFMqj6wTehWdqZnfFeXqT8g5b3qrXWL ywSzcoD9xtyoRqAgOCX+PSmBpm6pPhe31VnBtc3HcBMe4rSico9/Z2H9h1l6IMVEnyhabWzoKbE3 BFrsYJGthJCbhK072G8AhCk+5p+L+knLhQXN0Ph7MJbdY26o3M4vjsXFNbJL8TOYxo80cGD1LIh2 SUZFqaIG24TVmTW8F4jD5Z9/NEwJa8kQK+VBNHUntXYNah4Reh0jSsGnq9Pg3Hf4KC+F0IR8QgBm SnwitMFUX9UnhLEvRQxjDI1tm+h6RxfjlV7moI68Ulh7bcdPhM/z2Q16XmaY12rc85pSRQIDAQAB o4IBJjCCASIwDAYDVR0TAQH/BAIwADBWBglghkgBhvhCAQ0ESRZHVG8gZ2V0IHlvdXIgb3duIGNl cnRpZmljYXRlIGZvciBGUkVFIGhlYWQgb3ZlciB0byBodHRwOi8vd3d3LkNBY2VydC5vcmcwQAYD VR0lBDkwNwYIKwYBBQUHAwQGCCsGAQUFBwMCBgorBgEEAYI3CgMEBgorBgEEAYI3CgMDBglghkgB hvhCBAEwMgYIKwYBBQUHAQEEJjAkMCIGCCsGAQUFBzABhhZodHRwOi8vb2NzcC5jYWNlcnQub3Jn MEQGA1UdEQQ9MDuBFWNhbGVzdHlvQHNjaWVudGlhLm5ldIEibWFpbEBjaHJpc3RvcGguYW50b24u bWl0dGVyZXIubmFtZTANBgkqhkiG9w0BAQUFAAOCAgEAFuI5vCapfV2DvqdRbCvVwCP0H6JV2QuH 1T+YDnyZzfM64jrOBlQnXE3oWjhRqPvmNqtbQsOF8WyNnnPjTnsIR9goOt+jfIeocRsNTP/ijFKe 8IuHuNj42Pl7J7msai56LiqwTq4idui6ar5WWOqFyo2FhIQa/WbZnclfAXDgzqgp5pKTq/SXdGR5 q1+XGLFomIyedgs9Gzr2z+3Kl5/OiH/3B1liquwCedPUno5E2QRIEn3SGEHC5yg/hFsKkL1uTxRs JYF5TCr/v0dH+gG6hy/ZCfrImersD0tZXDsb25tUJ1kyZ4rCfVLcBfoA1sQ3aIeQmuj02TM3Ej31 m9e3hZ9KW5sIrvcfoINpgQxkOWqoBKLlsgRmF9VqJHtUjmsWwOigmBdpP/TJSkH2ePNg6gP2HUnD WGIuC/1JgDAEZ4vAbldISdCeViS+vqs0WZ7WwTjul53xpAciCGmvXjx7Z3RchJLtJS/vvSHwuWBj 8Mod0YrkPdKpIssc/WKWpJUl9gYdu/vdmQJxe7wQvsvcbbwTmNwOiVLbZ7gIomCrlip1QxBVWeIU qux/jSNcPTB0nxcxPn1ONsMvG9hXYejK3P8l3c+Kg/LYeA35SvlRGvpiC6l1f29u4ubi5o3RjfV0 NmV8Tnsm/rCJSetHo2GK24RIFyahAWoJ2CGPkmk2DQIwggV1MIIDXaADAgECAgMBAYIwDQYJKoZI hvcNAQEFBQAwVDEUMBIGA1UEChMLQ0FjZXJ0IEluYy4xHjAcBgNVBAsTFWh0dHA6Ly93d3cuQ0Fj ZXJ0Lm9yZzEcMBoGA1UEAxMTQ0FjZXJ0IENsYXNzIDMgUm9vdDAeFw0xMjA3MjMxNDU2NDVaFw0x NDA3MjMxNDU2NDVaMHwxITAfBgNVBAMTGENocmlzdG9waCBBbnRvbiBNaXR0ZXJlcjEkMCIGCSqG SIb3DQEJARYVY2FsZXN0eW9Ac2NpZW50aWEubmV0MTEwLwYJKoZIhvcNAQkBFiJtYWlsQGNocmlz dG9waC5hbnRvbi5taXR0ZXJlci5uYW1lMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA qv+F91K5vyBwiGFMqj6wTehWdqZnfFeXqT8g5b3qrXWLywSzcoD9xtyoRqAgOCX+PSmBpm6pPhe3 1VnBtc3HcBMe4rSico9/Z2H9h1l6IMVEnyhabWzoKbE3BFrsYJGthJCbhK072G8AhCk+5p+L+knL hQXN0Ph7MJbdY26o3M4vjsXFNbJL8TOYxo80cGD1LIh2SUZFqaIG24TVmTW8F4jD5Z9/NEwJa8kQ K+VBNHUntXYNah4Reh0jSsGnq9Pg3Hf4KC+F0IR8QgBmSnwitMFUX9UnhLEvRQxjDI1tm+h6Rxfj lV7moI68Ulh7bcdPhM/z2Q16XmaY12rc85pSRQIDAQABo4IBJjCCASIwDAYDVR0TAQH/BAIwADBW BglghkgBhvhCAQ0ESRZHVG8gZ2V0IHlvdXIgb3duIGNlcnRpZmljYXRlIGZvciBGUkVFIGhlYWQg b3ZlciB0byBodHRwOi8vd3d3LkNBY2VydC5vcmcwQAYDVR0lBDkwNwYIKwYBBQUHAwQGCCsGAQUF BwMCBgorBgEEAYI3CgMEBgorBgEEAYI3CgMDBglghkgBhvhCBAEwMgYIKwYBBQUHAQEEJjAkMCIG CCsGAQUFBzABhhZodHRwOi8vb2NzcC5jYWNlcnQub3JnMEQGA1UdEQQ9MDuBFWNhbGVzdHlvQHNj aWVudGlhLm5ldIEibWFpbEBjaHJpc3RvcGguYW50b24ubWl0dGVyZXIubmFtZTANBgkqhkiG9w0B AQUFAAOCAgEAFuI5vCapfV2DvqdRbCvVwCP0H6JV2QuH1T+YDnyZzfM64jrOBlQnXE3oWjhRqPvm NqtbQsOF8WyNnnPjTnsIR9goOt+jfIeocRsNTP/ijFKe8IuHuNj42Pl7J7msai56LiqwTq4idui6 ar5WWOqFyo2FhIQa/WbZnclfAXDgzqgp5pKTq/SXdGR5q1+XGLFomIyedgs9Gzr2z+3Kl5/OiH/3 B1liquwCedPUno5E2QRIEn3SGEHC5yg/hFsKkL1uTxRsJYF5TCr/v0dH+gG6hy/ZCfrImersD0tZ XDsb25tUJ1kyZ4rCfVLcBfoA1sQ3aIeQmuj02TM3Ej31m9e3hZ9KW5sIrvcfoINpgQxkOWqoBKLl sgRmF9VqJHtUjmsWwOigmBdpP/TJSkH2ePNg6gP2HUnDWGIuC/1JgDAEZ4vAbldISdCeViS+vqs0 WZ7WwTjul53xpAciCGmvXjx7Z3RchJLtJS/vvSHwuWBj8Mod0YrkPdKpIssc/WKWpJUl9gYdu/vd mQJxe7wQvsvcbbwTmNwOiVLbZ7gIomCrlip1QxBVWeIUqux/jSNcPTB0nxcxPn1ONsMvG9hXYejK 3P8l3c+Kg/LYeA35SvlRGvpiC6l1f29u4ubi5o3RjfV0NmV8Tnsm/rCJSetHo2GK24RIFyahAWoJ 2CGPkmk2DQIwggYIMIID8KADAgECAgEBMA0GCSqGSIb3DQEBBAUAMHkxEDAOBgNVBAoTB1Jvb3Qg Q0ExHjAcBgNVBAsTFWh0dHA6Ly93d3cuY2FjZXJ0Lm9yZzEiMCAGA1UEAxMZQ0EgQ2VydCBTaWdu aW5nIEF1dGhvcml0eTEhMB8GCSqGSIb3DQEJARYSc3VwcG9ydEBjYWNlcnQub3JnMB4XDTA1MTAx NDA3MzY1NVoXDTMzMDMyODA3MzY1NVowVDEUMBIGA1UEChMLQ0FjZXJ0IEluYy4xHjAcBgNVBAsT FWh0dHA6Ly93d3cuQ0FjZXJ0Lm9yZzEcMBoGA1UEAxMTQ0FjZXJ0IENsYXNzIDMgUm9vdDCCAiIw DQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAKtJNRFIfNImflOUz0Op3SjXQiqL84d4GVh8D57a iX3h++tykA10oZZkq5+gJJlz2uJVdscXe/UErEa4w75/ZI0QbCTzYZzA8pD6Ueb1aQFjww9W4kpC z+JEjCUoqMV5CX1GuYrz6fM0KQhF5Byfy5QEHIGoFLOYZcRD7E6CjQnRvapbjZLQ7N6QxX8KwuPr 5jFaXnQ+lzNZ6MMDPWAzv/fRb0fEze5ig1JuLgiapNkVGJGmhZJHsK5I6223IeyFGmhyNav/8BBd wPSUp2rVO5J+TJAFfpPBLIukjmJ0FXFuC3ED6q8VOJrU0gVyb4z5K+taciX5OUbjchs+BMNkJyIQ KopPWKcDrb60LhPtXapI19V91Cp7XPpGBFDkzA5CW4zt2/LP/JaT4NsRNlRiNDiPDGCbO5dWOK3z 0luLoFvqTpa4fNfVoIZwQNORKbeiPK31jLvPGpKK5DR7wNhsX+kKwsOnIJpa3yxdUly6R9Wb7yQo cDggL9V/KcCyQQNokszgnMyXS0XvOhAKq3A6mJVwrTWx6oUrpByAITGprmB6gCZIALgBwJNjVSKR PFbnr9s6JfOPMVTqJouBWfmh0VMRxXudA/Z0EeBtsSw/LIaRmXGapneLNGDRFLQsrJ2vjBDTn8Rq +G8T/HNZ92ZCdB6K4/jc0m+YnMtHmJVABfvpAgMBAAGjgb8wgbwwDwYDVR0TAQH/BAUwAwEB/zBd BggrBgEFBQcBAQRRME8wIwYIKwYBBQUHMAGGF2h0dHA6Ly9vY3NwLkNBY2VydC5vcmcvMCgGCCsG AQUFBzAChhxodHRwOi8vd3d3LkNBY2VydC5vcmcvY2EuY3J0MEoGA1UdIARDMEEwPwYIKwYBBAGB kEowMzAxBggrBgEFBQcCARYlaHR0cDovL3d3dy5DQWNlcnQub3JnL2luZGV4LnBocD9pZD0xMDAN BgkqhkiG9w0BAQQFAAOCAgEAfwiIodoaUEnaifuhCHLzivcexDq0eVsgMLFF3sJd02Vp8cJdVFQ8 hV+5e0KRwpn9G1Gbq0aloRBTnm2IrHNuLDOm8PSe4HXBPohFqeFmQ/5WWtF6QXj3QNpKOvELW6W7 FgbmwueTuYVNl0+xHjhDgO+bDYzvuKdgAIdXfR5EHMsj75s8mZ2vtSkcRXkWlk0nbfEcbMPCVWSz vBTi86QfHjL8JxUFz90urj6CYXvwIRAY9kTqUzn53NCaIODGu+C7Wk/EmcgHvbW9otsuYg1CNEG8 /4uK9VEiqogwAOKw1Ly+ZbrVA1d5m+jcyE34UO2RpVIooqz7Nlg+6ZQrkVCHG9Ze1ozM9w8QDFJO 0BZh5eUKbL8Xx3JGV5yY9WxgY3pvXrlOL8i5ubtqhbyYDe35PpeENJSuAK+h5eeSbk698+LZFItc 0usBbKAXpS0Q65x6Sr297s797SJAq3A4iPUKh2rCqwVgyUgF2lPB3kR3arPzPDztgLymOEopJF/+ WTubJXpWYwBkuV2kYn1XNk+tg+8fklOgjndX3eVhET0jAJBMPPqjYJMEo6819g5qj09KYKeFBWxG oY/0x3bjoVlX93GyxG4UXG1tQWbfG5Ox1ADD7svPPD0hgKlfY2X83eBfpPQr8IVxQdRnJfsasZeu 1pmCE0HSbqUbmSeA5wupqAAxggLtMIIC6QIBATBbMFQxFDASBgNVBAoTC0NBY2VydCBJbmMuMR4w HAYDVQQLExVodHRwOi8vd3d3LkNBY2VydC5vcmcxHDAaBgNVBAMTE0NBY2VydCBDbGFzcyAzIFJv b3QCAwEBgjANBglghkgBZQMEAgMFAKCCAWMwGAYJKoZIhvcNAQkDMQsGCSqGSIb3DQEHATAcBgkq hkiG9w0BCQUxDxcNMTQwMTI4MjE0MTI3WjBPBgkqhkiG9w0BCQQxQgRAgcbc6Iw5Jvkbkt4j71RK YYWF0l0T/FnEph7cyCPHPPM8SB2xJ7ndFqZHjdwbxW+RbOEvpl7g6KI7wbPP1tR7pjBqBgkrBgEE AYI3EAQxXTBbMFQxFDASBgNVBAoTC0NBY2VydCBJbmMuMR4wHAYDVQQLExVodHRwOi8vd3d3LkNB Y2VydC5vcmcxHDAaBgNVBAMTE0NBY2VydCBDbGFzcyAzIFJvb3QCAwEBgjBsBgsqhkiG9w0BCRAC CzFdoFswVDEUMBIGA1UEChMLQ0FjZXJ0IEluYy4xHjAcBgNVBAsTFWh0dHA6Ly93d3cuQ0FjZXJ0 Lm9yZzEcMBoGA1UEAxMTQ0FjZXJ0IENsYXNzIDMgUm9vdAIDAQGCMA0GCSqGSIb3DQEBAQUABIIB AErI4rOYL6mt9AvhZ79GYR5fVtjQLVgkrR44tm/HLddQi8oxLFc+0toKzAqILGUTeocN1yGmOWNp g3RqjjWOH/hebbKEg4JDUiSS9DfoM+s/AUCIFy0hLf1QHrLo5coObe9+qWTXeAfC6PWqdywAEOVu 8KMUWCRdy9+RThR7TsBzTki6L1bA0f+oLSdWmeDa1gdh6w1pyn53K2k2BeYl2NmxG3utc4Sq85Bz ybsNdKrAeqRSeuVAN5BLm1aS8r3cX/9jOhvSP8d/8g102wiB1NeF1P1Y3NRfWI6ANAGizfobch8J ACZuqohjOPBr7BbaW8qsJKi/b3UHgmuLWfwnHyQAAAAAAAA= --=-XvI1ILt28VI6x1r5kA7W--