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Fri, 7 Jun 2024 16:05:23 +0000 Message-ID: Date: Fri, 7 Jun 2024 18:05:21 +0200 Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Confidential Computing call May 10: RTMR ABI & TEE I/O To: "Reshetova, Elena" , Dan Middleton , "linux-coco@lists.linux.dev" , "Kalra, Ashish" References: <61b65115-5945-4e27-89e4-bb6cba657f7f@linux.intel.com> <0ebfe6b4-ee5d-4909-8a3b-bbc1bd7623c7@amazon.com> Content-Language: en-US From: Alexander Graf In-Reply-To: X-ClientProxiedBy: EX19D037UWC001.ant.amazon.com (10.13.139.197) To EX19D020UWC004.ant.amazon.com (10.13.138.149) Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: base64 Ck9uIDA3LjA2LjI0IDE2OjQ2LCBSZXNoZXRvdmEsIEVsZW5hIHdyb3RlOgo+PiBIaSBEYW4sCj4+ Cj4+IE9uIDAzLjA1LjI0IDIxOjU1LCBEYW4gTWlkZGxldG9uIHdyb3RlOgo+Pj4gSGkKPj4+IE5l eHQgRnJpZGF5LCBNYXkgMTB0aCBhdCA5YW0gUERULCB3ZSBoYXZlIGEgQ29uZmlkZW50aWFsIENv bXB1dGluZwo+Pj4gZGV2c2VjIC8gQm9GIC8gRGlzY3Vzc2lvbiBHcm91cCAvIFNJRyBjYWxsLiBF dmVyeW9uZSBpcyB3ZWxjb21lLgo+Pj4KPj4+IFRlbnRhdGl2ZSBhZ2VuZGEgaW5jbHVkZXMgUlRN UiBBQkkgdjMgZGlyZWN0aW9uIGFuZCBURUUgSS9PIG5leHQgc3RlcHMuCj4+Cj4+IEkgaGF2ZW4n dCBzZWVuIGFuIGVtYWlsIGZvciB0b2RheSdzIGNhbGwsIHNvIGxldCBtZSB0aHJvdyBteSB0b3Bp Ywo+PiBzdWdnZXN0aW9uIGhlcmU6Cj4+Cj4+IEkgd291bGQgbGlrZSB0byB0YWxrIGFib3V0ICJj b25maWRlbnRpYWwga2V4ZWMiIHRvZGF5OiBBIGtleGVjIG1lY2hhbmlzbQo+PiB0aGF0IGFsbG93 cyB5b3UgdG8gZGVzdHJveSB0aGUgY29uZmlkZW50aWFsIFZNIHlvdSdyZSBpbiBhbmQgcmVjcmVh dGUgYQo+PiBuZXcgb25lIGJhc2VkIG9uIGEgcGF5bG9hZCBvZiB0aGUgb2xkIG9uZS4gV2l0aCB0 aGF0LCB3ZSB3b3VsZCBoYXZlIGEKPj4gdmVyeSBlYXN5IGFuZCBjbGVhbiBtZWNoYW5pc20gdG8g Ym9vdHN0cmFwIGEgVk0gaW50byBhIGZ1bGx5IG1lYXN1cmVkCj4+IG5ldyBleGVjdXRpb24gc3Rh Y2suCj4gSW50ZXJlc3RpbmcgdG9waWMsIEkgYW0gY3VyaW91cyBvZiB0aGUgcmVxdWlyZW1lbnRz IQo+IFNvdW5kcyBsaWtlIHlvdSB3YW50IGEgbG9jYWwgZmFzdCBtaWdyYXRpb24sIGkuZS4gYSBt aWdyYXRpb24gdG8gYSBuZXcKPiBDb0NvIFZNIG9uIHRoZSBzYW1lIHBsYXRmb3JtPyBJIGd1ZXNz IHRoZSBkaWZmZXJlbmNlIHdvdWxkIGJlIHRoZSBhYnNlbmNlCj4gb2YgdGhlIG9ubGluZSBtaWdy YXRpb24gcGhhc2Ugc2luY2UgeW91IGFyZSBwcm9iYWJseSBvayBzdG9wcGluZyB0aGUKPiBvcmln aW5hbCBDb0NvIFZNIGZpcnN0LgoKCkFsbW9zdC4gSSBiYXNpY2FsbHkgd2FudCB0aGUgVk0gdG8g YmUgYWJsZSB0byBwcm92aWRlIGEgbmV3IGVhcmx5IAptZWFzdXJlbWVudC4gU28gdGhlIG9wcG9z aXRlIG9mIG1pZ3JhdGlvbjogV2l0aCBtaWdyYXRpb24sIEkgd2FudCB0byAKcHJlc2VydmUgcHJl dmlvdXMgc3RhdGUuIEhlcmUsIHRoZSBtYWluIG1vdGl2YXRpb24gaXMgdG8gZ2V0IHJpZCBvZiBh bnkgCnByZXZpb3VzIHN0YXRlIGV4Y2VwdCB0aGUgbmV3ICJzZWVkIiBmb3IgdGhlIHRhcmdldCBW TS4KClRoZXJlIGFyZSAyIG1haW4gdXNlIGNhc2VzIGZvciB0aGlzOgoKMSkgTWVhc3VyZW1lbnQg cHVyZWx5IGJhc2VkIG9uIGluaXRpYWwgbGF1bmNoIG1lYXN1cmVtZW50cy4gSWYgdGhlIGZ1bGwg Ck9TIGlzIGluc2lkZSBhbiBpbml0cmFtZnMsIHdlIGNhbiBwcm92aWRlIGZpcm13YXJlK2tlcm5l bCtpbml0cmFtZnMgYXMgCiJzZWVkIi4gVGhlIENvQ28gZW52IHdvdWxkIG1lYXN1cmUgZXZlcnl0 aGluZyBhbmQgSSBoYXZlIGFuIGVhc3kgcGF0aCB0byAKdmFsaWRhdGUgYXV0aGVudGljaXR5IG9m IG15IHRhcmdldCBlbnZpcm9ubWVudC4gSSBhbHNvIGhhdmUgYW4gZWFzeSBwYXRoIAp0byB1cGRh dGUgdGhlIFZNIGFuZCB0aGVuIG1lYXN1cmUgd2l0aG91dCByZXBsYXlpbmcgYW55IGV2ZW50IGxv Z3MuCgoyKSBVcGRhdGUgU1ZTTSAob3Igc2ltaWxhcikuIE9mdGVuIHRvZGF5LCB5b3Ugd2FudCB0 byBpbXBsZW1lbnQgVFBNcyBhbmQgCmluc2lkZSBhIGhpZ2hlciBwcml2aWxlZ2VkIGNvbXBvbmVu dCB0aGF0IGlzIHJlYWxseSBwYXJ0IG9mIHRoZSBWTS4gVG8gCnVwZGF0ZSBpdCwgeW91IGNvdWxk IHVzZSBpbi1WTSBtZWNoYW5pc21zLCBidXQgdGhhdCBsZWF2ZXMgYSBwYXRoIHdoZXJlIAp5b3Ug Ym9vdCB3aXRoIGFuIG9sZCB2ZXJzaW9uIC0+IGV4cGxvaXQgLT4gdXBkYXRlIHRvIHRoZSBuZXcu IElmIHdlIApjb3VsZCAicmVib290Ii9rZXhlYyBpbnRvIGEgbmV3IFNWU00sIHdlIGNvdWxkIHJl YXNvbiBhYm91dCBpdHMgCmNvbmZpZGVudGlhbGl0eSB3aXRoIGEgMTAwJSBndWFyYW50ZWUuCgoK QWxleAoKCgoKQW1hem9uIFdlYiBTZXJ2aWNlcyBEZXZlbG9wbWVudCBDZW50ZXIgR2VybWFueSBH bWJICktyYXVzZW5zdHIuIDM4CjEwMTE3IEJlcmxpbgpHZXNjaGFlZnRzZnVlaHJ1bmc6IENocmlz dGlhbiBTY2hsYWVnZXIsIEpvbmF0aGFuIFdlaXNzCkVpbmdldHJhZ2VuIGFtIEFtdHNnZXJpY2h0 IENoYXJsb3R0ZW5idXJnIHVudGVyIEhSQiAyNTc3NjQgQgpTaXR6OiBCZXJsaW4KVXN0LUlEOiBE RSAzNjUgNTM4IDU5Nwo=