Re: [Cfrg] Adopting "AES-GCM-SIV: Nonce Misuse-Resistant Authenticated Encryption" as a CFRG document ---- Some clarifications

["Gueron, Shay" <[e-mail]>]

Hello everyone -

I uploaded an asm code version for MAC OS. It is in the Github 
repository (https://github.com/Shay-Gueron/AES-GCM-SIV).

Now it is the code for the 128-bit key variant (the 256-bit key variant 
will be uploaded next week).

Regards, Shay

------ Original Message ------
From: "Blumenthal, Uri - 0553 - MITLL" <[e-mail]>
To: "Gueron, Shay" <[e-mail]>
Cc: "[e-mail]" <[e-mail]>
Sent: 4/10/2016 10:55:48 AM
Subject: Re: Re[2]: [Cfrg] Adopting "AES-GCM-SIV: Nonce Misuse-Resistant 
Authenticated Encryption" as a CFRG document ---- Some clarifications

>If it was only the native Mac OS X assembler (whose GAS is known to be 
>much behind the standard) it wouldn't be so bad.
>
>But as I said - I've tried most every other assembler, including the 
>"all-powerful" YASM that usually can process whatever I throw at it. 
>YASM failed as well.
>
>I'd appreciate if you could release a "more portable" hand-tuned 
>version that could compile, e.g., under Yasm-1.3.0 (the current stable 
>version).
>
>C intrinsics would also be great - but hopefully not at the cost of 
>hand-tuned code.
>
>Thanks!
>
>Sent from my BlackBerry 10 smartphone on the Verizon Wireless 4G LTE 
>network.
>From: Gueron, Shay
>Sent: Sunday, April 10, 2016 09:39
>To: Blumenthal, Uri - 0553 - MITLL; Adam Langley; Andy Lutomirski
>Reply To: Gueron, Shay
>Cc: Yehuda Lindell; [e-mail]; Adam Langley; Shay Gueron
>Subject: Re[2]: [Cfrg] Adopting "AES-GCM-SIV: Nonce Misuse-Resistant 
>Authenticated Encryption" as a CFRG document ---- Some clarifications
>
>
> >>> BTW, what assembler is the optimized code supposed to work with?
>
>The code that is currently posted was compiled and tested under Red Hat 
>Linux, Fedora release 23, using GCC 4.8.2 & GNU assembly version 2.25.
>
>MAC OS does not easily chew this assembler syntax, and some work needs 
>to be done around it. However, I will soon post a C (intrinsics) 
>version of the code, that should compile on all platforms (of course, 
>at the cost of giving up some performance that hand tuned assembler 
>achieves).
>
>Regards, Shay
>
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>------ Original Message ------
>From: "Blumenthal, Uri - 0553 - MITLL" <[e-mail]>
>To: "Adam Langley" <[e-mail]>; "Andy Lutomirski" 
><[e-mail]>
>Cc: "Yehuda Lindell" <[e-mail]>; "[e-mail]" 
><[e-mail]>; "Adam Langley" <[e-mail]>
>Sent: 4/8/2016 5:40:27 AM
>Subject: Re: [Cfrg] Adopting "AES-GCM-SIV: Nonce Misuse-Resistant 
>Authenticated Encryption" as a CFRG document ---- Some clarifications
>
>>BTW, what assembler is the optimized code supposed to work with?
>>
>>I'm on Mac OSX (10.10.5 and 10.11.4) using Xcode 7.2.1 and 7.3 
>>correspondingly. Both systems also have gcc-5.3 and clang-3.7. I also 
>>t‎ried nasm, yasm. Nothing works. Would like some guidance.
>>
>>Sent from my BlackBerry 10 smartphone on the Verizon Wireless 4G LTE 
>>network.
>>   Original Message
>>From: Adam Langley
>>Sent: Thursday, April 7, 2016 19:55
>>To: Andy Lutomirski
>>Cc: Yehuda Lindell; [e-mail]; Adam Langley
>>Subject: Re: [Cfrg] Adopting "AES-GCM-SIV: Nonce Misuse-Resistant 
>>Authenticated Encryption" as a CFRG document ---- Some clarifications
>>
>>On Fri, Apr 8, 2016 at 8:16 AM, Andy Lutomirski <[e-mail]> 
>>wrote:
>>>  Can you clarify the draft?
>>
>>Will do as soon as I'm able (which should be next week).
>>
>>
>>Cheers
>>
>>AGL
>>
>>--
>>Adam Langley [e-mail]://www.imperialviolet.org
>>
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>