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Date: Tue, 31 Mar 2015 15:04:43 +0100
From: Samuel Neves <>
Subject: Re: [PHC] Argon2

On 31-03-2015 14:30, Solar Designer wrote:
>>>         blake2b_update(&BlakeHash, (const uint8_t*)&lanes, sizeof(lanes));
> [...]
> Surely blake2b_update() then uses its own choice of integer or SIMD
> types for this data.

The BLAKE2 code does not treat input bytes as anything other than bytes. Whenever there is a need to convert bytes to
integers, this is done in a standards-compliant way (using either memcpy to a local variable, or plain load-shift-or).

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