Diffusion libgcrypt 4e11e9d98818

Improve constant-time buffer compare
4e11e9d98818
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Description

Improve constant-time buffer compare

* cipher/bufhelp.h (buf_eq_const): Rewrite logic.

New implementation for constant-time buffer comparing that
avoids generating conditional code in comparison loop.

(cherry picked from commit a1127dbbada4302abf09eec90fbaceca87bfcdf0)

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>

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jukivili	Authored on Mar 22 2018, 8:42 PM
• werner	Committed on Apr 17 2018, 5:35 PM

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rC1900853f2aee: doc: Clarify the value range of the use-rsa-e parameter.

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Event Timeline

• werner committed rC4e11e9d98818: Improve constant-time buffer compare (authored by jukivili).Apr 17 2018, 5:35 PM

• werner committed rC4e11e9d98818: Improve constant-time buffer compare (authored by jukivili).

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cipher/

rC4e11e9d98818

cipher/bufhelp.h

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