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Miller" , "linux-crypto@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH 4/5] crypto: lib/sha256 - Unroll SHA256 loop 8 times intead of 64 Thread-Topic: [PATCH 4/5] crypto: lib/sha256 - Unroll SHA256 loop 8 times intead of 64 Thread-Index: AQHWpizLtR2ktKloi0KILMfFeYMjdqmgGc8ggABdwQCAABu2AA== Date: Tue, 20 Oct 2020 14:55:47 +0000 Message-ID: <6ee12f8fa3914fbcb5e4a1388e430acd@AcuMS.aculab.com> References: <20201019153016.2698303-1-nivedita@alum.mit.edu> <20201019153016.2698303-5-nivedita@alum.mit.edu> <1324eb3519d54ddd9469d30a94c11823@AcuMS.aculab.com> <20201020140726.GB2996696@rani.riverdale.lan> In-Reply-To: <20201020140726.GB2996696@rani.riverdale.lan> Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org RnJvbTogQXJ2aW5kIFNhbmthcg0KPiBTZW50OiAyMCBPY3RvYmVyIDIwMjAgMTU6MDcNCj4gVG86 IERhdmlkIExhaWdodCA8RGF2aWQuTGFpZ2h0QEFDVUxBQi5DT00+DQo+IA0KPiBPbiBUdWUsIE9j dCAyMCwgMjAyMCBhdCAwNzo0MTozM0FNICswMDAwLCBEYXZpZCBMYWlnaHQgd3JvdGU6DQo+ID4g RnJvbTogQXJ2aW5kIFNhbmthcj4gU2VudDogMTkgT2N0b2JlciAyMDIwIDE2OjMwDQo+ID4gPiBU bzogSGVyYmVydCBYdSA8aGVyYmVydEBnb25kb3IuYXBhbmEub3JnLmF1PjsgRGF2aWQgUy4gTWls bGVyIDxkYXZlbUBkYXZlbWxvZnQubmV0PjsgbGludXgtDQo+ID4gPiBjcnlwdG9Admdlci5rZXJu ZWwub3JnDQo+ID4gPiBDYzogbGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZw0KPiA+ID4gU3Vi amVjdDogW1BBVENIIDQvNV0gY3J5cHRvOiBsaWIvc2hhMjU2IC0gVW5yb2xsIFNIQTI1NiBsb29w IDggdGltZXMgaW50ZWFkIG9mIDY0DQo+ID4gPg0KPiA+ID4gVGhpcyByZWR1Y2VzIGNvZGUgc2l6 ZSBzdWJzdGFudGlhbGx5IChvbiB4ODZfNjQgd2l0aCBnY2MtMTAgdGhlIHNpemUgb2YNCj4gPiA+ IHNoYTI1Nl91cGRhdGUoKSBnb2VzIGZyb20gNzU5MyBieXRlcyB0byAxOTUyIGJ5dGVzIGluY2x1 ZGluZyB0aGUgbmV3DQo+ID4gPiBTSEEyNTZfSyBhcnJheSksIGFuZCBvbiB4ODYgaXMgc2xpZ2h0 bHkgZmFzdGVyIHRoYW4gdGhlIGZ1bGwgdW5yb2xsLg0KPiA+DQo+ID4gVGhlIHNwZWVkIHdpbGwg ZGVwZW5kIG9uIGV4YWN0bHkgd2hpY2ggY3B1IHR5cGUgaXMgdXNlZC4NCj4gPiBJdCBpcyBldmVu IHBvc3NpYmxlIHRoYXQgdGhlICdub3QgdW5yb2xsZWQgYXQgYWxsJyBsb29wDQo+ID4gKHdpdGgg dGhlIGFsbCB0aGUgZXh0cmEgcmVnaXN0ZXIgbW92ZXMpIGlzIGZhc3RlciBvbiBzb21lIHg4Ni02 NCBjcHUuDQo+IA0KPiBZZXMsIEkgc2hvdWxkIGhhdmUgbWVudGlvbmVkIHRoaXMgd2FzIHRlc3Rl ZCBvbiBhIEJyb2Fkd2VsbCBYZW9uLCBhdA0KPiBsZWFzdCBvbiB0aGF0IHByb2Nlc3Nvciwgbm8g dW5yb2xsaW5nIGlzIGEgbWVhc3VyYWJsZSBwZXJmb3JtYW5jZSBsb3NzLg0KPiBCdXQgdGhlIGhv cGUgaXMgdGhhdCA4eCB1bnJvbGwgc2hvdWxkIGJlIGdlbmVyYWxseSBlbm91Z2ggdW5yb2xsaW5n IHRoYXQNCj4gNjR4IGlzIHVubGlrZWx5IHRvIHNwZWVkIGl0IHVwIG1vcmUsIGFuZCBzbyBoYXMg bm8gYWR2YW50YWdlIG92ZXIgOHguDQoNCihJJ3ZlIGp1c3QgbG9va2VkIGF0IHRoZSBhY3R1YWwg Y29kZSwgbm90IGp1c3QgdGhlIHBhdGNoLikNCg0KWWVzIEkgZG91YnQgdGhlIDY0eCB1bnJvbGwg d2FzIGV2ZXIgYSBzaWduaWZpY2FudCBnYWluLg0KVW5yb2xsaW5nIGNvbXBsZXRlbHkgcmVxdWly ZXMgYSBsb2FkIG9mIHJlZ2lzdGVyIG1vdmVzL3JlbmFtZXM7DQpwcm9iYWJseSB0b28gbWFueSB0 byBiZSAnemVybyBjb3N0Jy4NCg0KV2l0aCBtb2Rlcm4gY3B1IHlvdSBjYW4gb2Z0ZW4gZ2V0IHRo ZSBsb29wIGNvbnRyb2wgaW5zdHJ1Y3Rpb25zDQonZm9yIGZyZWUnIHNvIHVucm9sbGluZyBqdXN0 IGtpbGxzIHRoZSBJLWNhY2hlLg0KU29tZSBvZiB0aGUgY3B1IGhhdmUgbG9vcCBidWZmZXJzIGZv ciBkZWNvZGVkIGluc3RydWN0aW9ucywNCnVucm9sbCBiZXlvbmQgdGhhdCBzaXplIGFuZCB5b3Ug c3VkZGVubHkgZ2V0IHRoZSBkZWNvZGVyIGNvc3RzDQpoaXR0aW5nIHlvdSBhZ2Fpbi4NCg0KLi4u DQo+ID4gSWYgeW91IGNhbiBwdXQgU0hBMjU2X0tbXSBhbmQgV1tdIGludG8gYSBzdHJ1Y3QgdGhl biB0aGUNCj4gPiBjb21waWxlciBjYW4gdXNlIHRoZSBzYW1lIHJlZ2lzdGVyIHRvIGFkZHJlc3Mg aW50byBib3RoDQo+ID4gYXJyYXlzICh1c2luZyBhbiBvZmZzZXQgb2YgNjQqNCBmb3IgdGhlIHNl Y29uZCBvbmUpLg0KPiA+IChpZSBrZWVwIHRoZSB0d28gYXJyYXlzLCBub3QgYW4gYXJyYXkgb2Yg c3RydWN0KS4NCj4gPiBUaGlzIHNob3VsZCByZWR1Y2UgdGhlIHJlZ2lzdGVyIHByZXNzdXJlIHNs aWdodGx5Lg0KPiANCj4gSSBjYW4gdHJ5IHRoYXQsIGNvdWxkIGNvcHkgdGhlIGRhdGEgaW4gc2hh MjU2X3VwZGF0ZSgpIHNvIGl0J3MgYW1vcnRpemVkDQo+IG92ZXIgdGhlIHdob2xlIGlucHV0Lg0K DQpIYXZpbmcgbG9va2VkIG1vcmUgY2xvc2VseSB0aGUgZXh0cmEgY29weSBuZWVkZWQgaXMgcHJv YmFibHkNCmJpZ2dlciB0aGFuIGFueSBzYXZpbmcuDQoNCldoYXQgdGhhdCBjb2RlIG5lZWRzIGlz IHNvbWUgc3BlY2lhbCAzLWlucHV0IGluc3RydWN0aW9ucyA6LSkNCkl0IHdvdWxkIHdvcmsgYSBs b3QgYmV0dGVyIHdyaXR0ZW4gaW4gVkhETCBmb3IgYW4gZnBnYS4NCg0KCURhdmlkDQoNCi0NClJl Z2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0 b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykN Cg==