From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Shankar, Uma" Subject: RE: [PATCH v6 27/35] misc/mei/hdcp: Verify H_prime Date: Wed, 1 Aug 2018 13:21:46 +0000 Message-ID: References: <1531538117-1606-1-git-send-email-ramalingam.c@intel.com> <1531538117-1606-28-git-send-email-ramalingam.c@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1531538117-1606-28-git-send-email-ramalingam.c@intel.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: "C, Ramalingam" , "intel-gfx@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "daniel@ffwll.ch" , "seanpaul@chromium.org" , "Winkler, Tomas" , "Usyskin, Alexander" List-Id: dri-devel@lists.freedesktop.org Cgo+LS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0KPkZyb206IEMsIFJhbWFsaW5nYW0KPlNlbnQ6 IFNhdHVyZGF5LCBKdWx5IDE0LCAyMDE4IDg6NDUgQU0KPlRvOiBpbnRlbC1nZnhAbGlzdHMuZnJl ZWRlc2t0b3Aub3JnOyBkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnOwo+ZGFuaWVsQGZm d2xsLmNoOyBzZWFucGF1bEBjaHJvbWl1bS5vcmc7IFdpbmtsZXIsIFRvbWFzCj48dG9tYXMud2lu a2xlckBpbnRlbC5jb20+OyBVc3lza2luLCBBbGV4YW5kZXIgPGFsZXhhbmRlci51c3lza2luQGlu dGVsLmNvbT47Cj5TaGFua2FyLCBVbWEgPHVtYS5zaGFua2FyQGludGVsLmNvbT4KPkNjOiBTaGFy bWEsIFNoYXNoYW5rIDxzaGFzaGFuay5zaGFybWFAaW50ZWwuY29tPjsgQywgUmFtYWxpbmdhbQo+ PHJhbWFsaW5nYW0uY0BpbnRlbC5jb20+Cj5TdWJqZWN0OiBbUEFUQ0ggdjYgMjcvMzVdIG1pc2Mv bWVpL2hkY3A6IFZlcmlmeSBIX3ByaW1lCj4KPlJlcXVlc3RzIGZvciB0aGUgdmVyaWZpY2F0aW9u IG9mIEFLRV9TZW5kX0hfcHJpbWUuCj4KPk1FIHdpbGwgY2FsY3VsYXRlIHRoZSBIIGFuZCBjb21w YXJpbmcgaXQgd2l0aCByZWNlaXZlZCBIX1ByaW1lLgo+VGhlIHJlc3VsdCB3aWxsIGJlIHJldHVy bmVkIGFzIHN0YXR1cy4KPgo+SGVyZSBBS0VfU2VuZF9IX3ByaW1lIGlzIGEgSERDUDIuMiBBdXRo ZW50aWNhdGlvbiBtc2cuCj4KPnYyOgo+ICBSZWJhc2VkLgo+djM6Cj4gIGNsZGV2IGlzIHBhc3Nl ZCBhcyBmaXJzdCBwYXJhbWV0ZXIgW1RvbWFzXQo+ICBSZWR1bmRhbnQgY29tbWVudHMgYW5kIGNh c3QgYXJlIHJlbW92ZWQgW1RvbWFzXQo+djQ6Cj4gICV6ZCBmb3Igc3NpemVfdCBbQWxleGFuZGVy XQo+ICAlcy9yZXR1cm4gLTEvcmV0dXJuIC1FSU8gW0FsZXhhbmRlcl0KPiAgU3R5bGVzIGFuZCB0 eXBvcyBmaXhlZCBbVW1hXQo+djU6Cj4gIFJlYmFzZWQuCj52NjoKPiAgTm8gY2hhbmdlLgo+CgpM b29rcyBvayB0byBtZS4KUmV2aWV3ZWQtYnk6IFVtYSBTaGFua2FyIDx1bWEuc2hhbmthckBpbnRl bC5jb20+Cgo+U2lnbmVkLW9mZi1ieTogUmFtYWxpbmdhbSBDIDxyYW1hbGluZ2FtLmNAaW50ZWwu Y29tPgo+LS0tCj4gZHJpdmVycy9taXNjL21laS9oZGNwL21laV9oZGNwLmMgfCA2MQo+KysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrLQo+IDEgZmlsZSBjaGFuZ2VkLCA2MCBp bnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4KPmRpZmYgLS1naXQgYS9kcml2ZXJzL21pc2Mv bWVpL2hkY3AvbWVpX2hkY3AuYwo+Yi9kcml2ZXJzL21pc2MvbWVpL2hkY3AvbWVpX2hkY3AuYwo+ aW5kZXggN2QzNTA2NmYyMWUyLi5kNDU1ZDRlNTRmNDYgMTAwNjQ0Cj4tLS0gYS9kcml2ZXJzL21p c2MvbWVpL2hkY3AvbWVpX2hkY3AuYwo+KysrIGIvZHJpdmVycy9taXNjL21laS9oZGNwL21laV9o ZGNwLmMKPkBAIC0xODcsMTIgKzE4Nyw3MSBAQCBtZWlfdmVyaWZ5X3JlY2VpdmVyX2NlcnRfcHJl cGFyZV9rbShzdHJ1Y3QKPm1laV9jbF9kZXZpY2UgKmNsZGV2LAo+IAlyZXR1cm4gMDsKPiB9Cj4K PisvKgo+KyAqIG1laV92ZXJpZnlfaHByaW1lOgo+KyAqCUZ1bmN0aW9uIHRvIHZlcmlmeSBBS0Vf U2VuZF9IX3ByaW1lIHJlY2VpdmVkLCB0aHJvdWdoIE1FIEZXLgo+KyAqCj4rICogY2xkZXYJCTog UG9pbnRlciBmb3IgbWVpIGNsaWVudCBkZXZpY2UKPisgKiBkYXRhCQkJOiBJbnRlbCBIVyBzcGVj aWZpYyBEYXRhCj4rICogcnhfaHByaW1lCQk6IFBvaW50ZXIgZm9yIEFLRV9TZW5kX0hfcHJpbWUK PisgKiBocHJpbWVfc3oJCTogSW5wdXQgYnVmZmVyIHNpemUKPisgKgo+KyAqIFJldHVybnMgMCBv biBTdWNjZXNzLCA8MCBvbiBGYWlsdXJlCj4rICovCj4rc3RhdGljIGludCBtZWlfdmVyaWZ5X2hw cmltZShzdHJ1Y3QgbWVpX2NsX2RldmljZSAqY2xkZXYsCj4rCQkJICAgICBzdHJ1Y3QgbWVpX2hk Y3BfZGF0YSAqZGF0YSwKPisJCQkgICAgIHN0cnVjdCBoZGNwMl9ha2Vfc2VuZF9ocHJpbWUgKnJ4 X2hwcmltZSkgewo+KwlzdHJ1Y3Qgd2lyZWRfY21kX2FrZV9zZW5kX2hwcmltZV9pbiBzZW5kX2hw cmltZV9pbiA9IHsgeyAwIH0gfTsKPisJc3RydWN0IHdpcmVkX2NtZF9ha2Vfc2VuZF9ocHJpbWVf b3V0IHNlbmRfaHByaW1lX291dCA9IHsgeyAwIH0gfTsKPisJc3RydWN0IGRldmljZSAqZGV2Owo+ Kwlzc2l6ZV90IGJ5dGU7Cj4rCj4rCWlmICghZGF0YSB8fCAhcnhfaHByaW1lKQo+KwkJcmV0dXJu IC1FSU5WQUw7Cj4rCj4rCWRldiA9ICZjbGRldi0+ZGV2Owo+Kwo+KwlzZW5kX2hwcmltZV9pbi5o ZWFkZXIuYXBpX3ZlcnNpb24gPSBIRENQX0FQSV9WRVJTSU9OOwo+KwlzZW5kX2hwcmltZV9pbi5o ZWFkZXIuY29tbWFuZF9pZCA9IFdJUkVEX0FLRV9TRU5EX0hQUklNRTsKPisJc2VuZF9ocHJpbWVf aW4uaGVhZGVyLnN0YXR1cyA9IE1FX0hEQ1BfU1RBVFVTX1NVQ0NFU1M7Cj4rCXNlbmRfaHByaW1l X2luLmhlYWRlci5idWZmZXJfbGVuID0KPitXSVJFRF9DTURfQlVGX0xFTl9BS0VfU0VORF9IUFJJ TUVfSU47Cj4rCj4rCXNlbmRfaHByaW1lX2luLnBvcnQuaW50ZWdyYXRlZF9wb3J0X3R5cGUgPSBk YXRhLT5wb3J0X3R5cGU7Cj4rCXNlbmRfaHByaW1lX2luLnBvcnQucGh5c2ljYWxfcG9ydCA9IGRh dGEtPnBvcnQ7Cj4rCj4rCW1lbWNweShzZW5kX2hwcmltZV9pbi5oX3ByaW1lLCByeF9ocHJpbWUt PmhfcHJpbWUsCj4rCSAgICAgICBzaXplb2YocnhfaHByaW1lLT5oX3ByaW1lKSk7Cj4rCj4rCWJ5 dGUgPSBtZWlfY2xkZXZfc2VuZChjbGRldiwgKHU4ICopJnNlbmRfaHByaW1lX2luLAo+KwkJCSAg ICAgIHNpemVvZihzZW5kX2hwcmltZV9pbikpOwo+KwlpZiAoYnl0ZSA8IDApIHsKPisJCWRldl9k YmcoZGV2LCAibWVpX2NsZGV2X3NlbmQgZmFpbGVkLiAlemRcbiIsIGJ5dGUpOwo+KwkJcmV0dXJu IGJ5dGU7Cj4rCX0KPisKPisJYnl0ZSA9IG1laV9jbGRldl9yZWN2KGNsZGV2LCAodTggKikmc2Vu ZF9ocHJpbWVfb3V0LAo+KwkJCSAgICAgIHNpemVvZihzZW5kX2hwcmltZV9vdXQpKTsKPisJaWYg KGJ5dGUgPCAwKSB7Cj4rCQlkZXZfZGJnKGRldiwgIm1laV9jbGRldl9yZWN2IGZhaWxlZC4gJXpk XG4iLCBieXRlKTsKPisJCXJldHVybiBieXRlOwo+Kwl9Cj4rCj4rCWlmIChzZW5kX2hwcmltZV9v dXQuaGVhZGVyLnN0YXR1cyAhPSBNRV9IRENQX1NUQVRVU19TVUNDRVNTKSB7Cj4rCQlkZXZfZGJn KGRldiwgIk1FIGNtZCAweCUwOFggRmFpbGVkLiBTdGF0dXM6IDB4JVhcbiIsCj4rCQkJV0lSRURf QUtFX1NFTkRfSFBSSU1FLAo+c2VuZF9ocHJpbWVfb3V0LmhlYWRlci5zdGF0dXMpOwo+KwkJcmV0 dXJuIC1FSU87Cj4rCX0KPisKPisJcmV0dXJuIDA7Cj4rfQo+Kwo+IHN0cnVjdCBpOTE1X2hkY3Bf Y29tcG9uZW50X29wcyBtZWlfaGRjcF9jb21wb25lbnRfb3BzID0gewo+IAkub3duZXIJCQkJCT0g VEhJU19NT0RVTEUsCj4gCS5pbml0aWF0ZV9oZGNwMl9zZXNzaW9uCQkJPSBtZWlfaW5pdGlhdGVf aGRjcDJfc2Vzc2lvbiwKPiAJLnZlcmlmeV9yZWNlaXZlcl9jZXJ0X3ByZXBhcmVfa20JPQo+IAkJ CQkJbWVpX3ZlcmlmeV9yZWNlaXZlcl9jZXJ0X3ByZXBhcmVfa20sCj4tCS52ZXJpZnlfaHByaW1l CQkJCT0gTlVMTCwKPisJLnZlcmlmeV9ocHJpbWUJCQkJPSBtZWlfdmVyaWZ5X2hwcmltZSwKPiAJ LnN0b3JlX3BhaXJpbmdfaW5mbwkJCT0gTlVMTCwKPiAJLmluaXRpYXRlX2xvY2FsaXR5X2NoZWNr CQk9IE5VTEwsCj4gCS52ZXJpZnlfbHByaW1lCQkJCT0gTlVMTCwKPi0tCj4yLjcuNAoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxp bmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJl ZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==