Re: [RFC] Partial support for reading DiskCryptor volumes
Mateusz Jończyk <[email protected]> Tue, 2 Nov 2021 21:23:56 +0100
| Newsgroups | gmane.linux.kernel.device-mapper.dm-crypt |
|---|---|
| Message-ID | <[email protected]> |
VyBkbml1IDAxLjExLjIwMjEgb8KgMTE6NTUsIE1pbGFuIEJyb3ogcGlzemU6DQoNCj4gSGksDQo+ DQo+IE9uIDMxLzEwLzIwMjEgMjM6MzYsIE1hdGV1c3ogSm/FhGN6eWsgd3JvdGU6DQo+PiBIZWxs bywNCj4+DQo+PiBCYWNrIGluIEp1bmUsIEkgd3JvdGUgdG8gdGhlIG1haWxpbmcgbGlzdCBzZWVr aW5nIHNvbWUgaGVscCB3aXRoDQo+PiByZXZlcnNlLWVuZ2luZWVyaW5nIHRoZSBEaXNrQ3J5cHRv ciB2b2x1bWUgZm9ybWF0IFsxXS4NCj4+DQo+PiBTaW5jZSB0aGVuLCBJIGhhdmUgaW1wbGVtZW50 ZWQgZGVjcnlwdGlvbiBvZiB0aGUgdm9sdW1lIGhlYWRlciAoZm9yIGFsbA0KPj4gY2lwaGVyIGNv bWJpbmF0aW9ucywgd2l0aCBhdXRvZGV0ZWN0aW9uKSBhbmQgd291bGQgbGlrZSB0byBrbm93IHdo ZXRoZXINCj4+IHlvdSB3b3VsZCBiZSBpbnRlcmVzdGVkIGluIG1lcmdpbmcgc3VwcG9ydCBmb3Ig b3BlbmluZyBEaXNrQ3J5cHRvcg0KPj4gdm9sdW1lcyBvbmNlIGl0IGlzIHJlYWR5Lg0KPj4NCj4+ IFRoZSBEaXNrQ3J5cHRvciBkZXZlbG9wbWVudCBoYXMgbGFyZ2VseSBzdGFsbGVkLCB3aXRoIHRo ZSBsYXN0IGJldGENCj4+IHJlbGVhc2UgaW4gQXByaWwgMjAyMC4gUmVsZWFzZXMgYnkgRGF2aWRY YW5hdG9zIGhhdmUgdGhlIGZvbGxvd2luZw0KPj4gcHJvYmxlbSBbM106DQo+Pg0KPj4+IMKgwqDC oMKgwqDCoMKgIFRoZSBEaXNrIENyeXB0b3IgZHJpdmVyIG5lZWRlZCB0byBiZSB1cGRhdGVkLCBh bmQgc2luY2UgdGhlDQo+Pj4gwqDCoMKgwqDCoMKgwqAgUmVhY3RPUyBmb3VuZGF0aW9uIG5vIGxv bmdlciBvZmZlciBhIGRyaXZlciBzaWduaW5nIHNlcnZpY2UsIEkNCj4+PiDCoMKgwqDCoMKgwqDC oCBoZWFkIHRvIHVzZSBhIGxlYWtlZCBjb2RlIHNpZ25pbmcgY2VydGlmaWNhdGUgSSBmb3VuZCBs YXlpbmcNCj4+PiDCoMKgwqDCoMKgwqDCoCBhcm91bmQgdGhlIEludGVybmV0cy4gVGhpcyBtZWFu cyBzb21lIGFudGkgbWFsd2FyZSBhcHBsaWNhdGlvbnMNCj4+PiDCoMKgwqDCoMKgwqDCoCBtYXkg d3JvbmdmdWxseSBmbGFnIGl0IGFzIHBvdGVudGlhbGx5IGRhbmdlcm91cy4NCj4gSG93IG11Y2gg aXMgRGlza0NyeXB0b3IgdXNlZCBpbiByZWFsaXR5PyBUaGUgbm90ZSBhYm92ZSB3b3VsZCBxdWFs aWZ5DQo+IGl0IGFzIGEgcmVndWxhciBtYWx3YXJlIGZvciBtZSBJIHdvdWxkIGxpa2UgdG8gaGF2 ZSBzdXBwb3J0IGZvciB2YXJpb3VzIGZvcm1hdHMsIGJ1dCB0aGUgbGluZSB3aGVyZQ0KPiBpdCBi ZWNvbWVzIGJsb2F0d2FyZSBpcyB2ZXJ5IHRoaW4uLi4NCj4NCj4gQW55d2F5LCBpZg0KPiDCoC0g Y29kZSBpcyBsaWNlbnNlZCB1bmRlciBMR1BMIChubyBuZXcgR1BMLW9ubHkgY29kZSBpbiBsaWJj cnlwdHNldHVwKQ0KDQpZdXANCg0KPiDCoC0gaXQgb25seSBhbGxvd3MgdG8gb3BlbiBleGlzdGlu ZyBmb3JtYXRzIChubyBjb2RlIHRvIG1vZGlmeSBtZXRhZGF0YTsNCj4gwqDCoCBvdXIgcHJpbWFy eSBmb3JtYXQgaXMgTFVLUyBhbmQgaXQgd2lsbCBzdGF5IHRoaXMgd2F5KQ0KDQpPSw0KDQo+IMKg LSBpdCBkb2VzIG5vdCBhZGQgY29tcGxpY2F0ZWQgZGVwZW5kZW5jZXMNCj4gwqDCoCAoSSB0aGlu ayB3ZSBzaG91bGQgY2FyZSBhYm91dCBtZW1vcnkgZm9vdHByaW50IG1vcmUgbm93KQ0KDQp0aGF0 J3MgY29ycmVjdCAoaXQgd29uJ3QgYWRkIGFueSBleHRlcm5hbCBkZXBlbmRlbmNpZXMpLg0KDQo+ IHRoZW4gdGhlIGJlc3QgaXMgcGVyaGFwcyBvcGVuIG1lcmdlIHJlcXVlc3QgKG9yIGlzc3VlKSBv biB0aGUgcHJvamVjdA0KPiBwYWdlIGFuZCBkaXNjdXNzIGl0IHRoZXJlLg0KPiAoRm9yIG5vdywg dGhlIGNvZGUgbG9va3Mgc2ltcGxlIGVub3VnaC4pDQoNCllvdSBtZWFuIG9wZW4gbm93LCBvciBv bmNlIHRoZSBjb2RlIGlzIHJlYWR5Pw0KDQo+IFdoYXQgaXMgbWlzc2luZyB0byBtb3JlICJzdGFi bGUiIGNvZGU/IE9ubHkgdGhlIHBhcnRzIG1hcmtlZCBUT0RPLA0KPiBvciBzb21ldGhpbmcgY3J1 Y2lhbCBmb3IgZm9ybWF0IHBhcnNpbmc/DQoNClRoZSBtYWpvciBwYXJ0cyBtaXNzaW5nIGluIHRo ZSBjb2RlIEkgcG9zdGVkOg0KDQotIHNldHRpbmcgdXAgbWFwcGluZyBpbiB0aGUgZGV2aWNlIG1h cHBlciwNCg0KLSBsaWJjcnlwdHNldHVwOiBzdXBwb3J0IGZvciAqZG1fZXJyb3JfdGFyZ2V0X3Nl dCgpKiB0aGF0IHdvdWxkIGJlDQpzaW1pbGFyIHRvICpkbV96ZXJvX3RhcmdldF9zZXQoKSogdG8g Y3JlYXRlIGEgcmVnaW9uIGluIHRoZSBibG9jaw0KZGV2aWNlIHRoYXQgZXJyb3JzIG91dCByZWFk cyBhbmQgd3JpdGVzLiBUaGlzIGlzIG5lY2Vzc2FyeSBhcyBzb21ldGltZXMNCnRoZSBmaXJzdCAy MDQ4IGJ5dGVzIG9mIHRoZSBlbmNyeXB0ZWQgZmlsZXN5c3RlbSBhcmUgcmVsb2NhdGVkIHRvIGFu b3RoZXINCnBsYWNlIGluIHRoZSBpbWFnZSAoIGh0dHBzOi8vZGlza2NyeXB0b3Iub3JnL3ZvbHVt ZS8gKToNCg0KPiBSZWxvY2F0aW9uIGFyZWEgLSBpcyBhIGNvbnRpZ3VvdXMgc2VxdWVuY2Ugb2Yg c2VjdG9ycyB3aGVyZSB0aGUgZmlyc3QgMjA0OA0KPiBieXRlcyBvZiBwYXJ0aXRpb24gYXJlIHN0 b3JlZC4NCj4NCj4gQ3VycmVudGx5IHRoZXJlIGFyZSB0d28gbWV0aG9kcyBvZiBwbGFjZW1lbnQg b2YgdGhpcyBhcmVhIHRoYXQgYXJlIGJlaW5nIHVzZWQ6IGluICRkY3N5cyQgZmlsZSwgb3IgYXQg dGhlIGVuZCBvZiBwYXJ0aXRpb24uIE9uIGVuY3J5cHRpb24gb2YgcGFydGl0aW9uIHRoYXQgaGFz IGRhdGEgb24gaXQsIHRoaXMgYXJlYSBpcyBiZWluZyBwbGFjZWQgaW4gJGRjc3lzJCBmaWxlIFtp dHMgbmFtZSBjb250YWlucyB0aGUgZG9sbGFyIHNpZ25zXSAsIHdoaWNoIGlzIGxvY2F0ZWQgaW4g YSBjb250aWd1b3VzIHNlcXVlbmNlIG9mIGNsdXN0ZXJzLiBPbiBmb3JtYXR0aW5nIGEgbmV3IHBh cnRpdGlvbiwgdGhpcyBhcmVhIGlzIGJlaW5nIHBsYWNlZCBhdCB0aGUgZW5kIG9mIHBhcnRpdGlv biwgYWZ0ZXIgdXNlciBkYXRhLg0KPg0KPiBJbiBvcmRlciB0byBwcm90ZWN0IHRoZSAkZGNzeXMk IGZpbGUgZnJvbSBiZWluZyBkZWxldGVkLCBmcmFnbWVudGVkIG9yIG1vdmVkLCBpdHMgYWNjZXNz IGlzIGZvcmJpZGRlbiBieSB0aGUgZHJpdmVyLg0KDQpJdCB3aWxsIGJlIG5lY2Vzc2FyeSB0byBq dXN0IGluZm9ybSB0aGUgdXNlciBub3QgdG8gZGVsZXRlIHRoZSAkZGNzeXMkDQpmaWxlIGFzIHRo ZXJlIGlzIG5vIG90aGVyIHdvcmthYmxlIHdheSB0byBwcm90ZWN0IGl0Lg0KDQotIHNvbWUgYm9p bGVycGxhdGUgaW4gbGliL3NldHVwLmMgYW5kIHNyYy9jcnlwdHNldHVwLmMgKGFuZCBwZXJoYXBz DQpzb21lIGNvZGUgdG8gcmVxdWlyZSBhIGNvbmZpcm1hdGlvbiBhYm91dCB0aGUgJGRjc3lzJCBm aWxlIGZyb20gdGhlIHVzZXIpLg0KDQotIGRvY3VtZW50YXRpb24sDQoNCi0gdGVzdHMsDQoNCi0g dW5sb2NraW5nIHdpdGgga2V5ZmlsZXMgKHNob3VsZCBub3QgYmUgY29tcGxpY2F0ZWQpLg0KDQoN CkkgaGF2ZSByZWJhc2VkIHRoZSBjb2RlIG9uIGNyeXB0c2V0dXAgdjIuNC4xIGFuZCBkaWQgc29t ZSBmdXJ0aGVyDQpkZXZlbG9wbWVudCAoYmVnYW4gd29yayBvbiBkZXZpY2VtYXBwZXIgc2V0dXAp LiBJdCBjYW4gYmUgZm91bmQgb24gYSBuZXcgYnJhbmNoOg0KDQpodHRwczovL2dpdGh1Yi5jb20v bWF0am9uL2NyeXB0c2V0dXAvdHJlZS9kY3J5cHRvcl9zdXBwb3J0X29uXzIuNC4xL2xpYi9kY3J5 cHRvcg0KDQo+IFRoYW5rcywNCj4gTWlsYW4NCg0KR3JlZXRpbmdzLA0KDQpNYXRldXN6DQoNCg0K X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZG0tY3J5cHQg bWFpbGluZyBsaXN0IC0tIGRtLWNyeXB0QHNhb3V0LmRlClRvIHVuc3Vic2NyaWJlIHNlbmQgYW4g ZW1haWwgdG8gZG0tY3J5cHQtbGVhdmVAc2FvdXQuZGUK