Diffusion libgcrypt 581e04386d87

cipher: Use offsetof for allocation of gcry_md_context.
581e04386d87
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Description

cipher: Use offsetof for allocation of gcry_md_context.

* cipher/md.c (md_open): Allocate exact space for the allocation and
use offsetof for the calculation.

Also, use hd->buf to get the pointer for CTX, so that compiler can
detect it's flexible array (for GCC 11).

GnuPG-bug-id: T5556
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>

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Authored on Aug 23 2021, 4:48 AM

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rCc9acca865ba4: hmac: Don't have the second implementation of hmac256.

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T5556: Use of offsetof is better for allocation of flexible array

Event Timeline

• gniibe committed rC581e04386d87: cipher: Use offsetof for allocation of gcry_md_context. (authored by • gniibe).Aug 23 2021, 4:48 AM

• gniibe added a task: T5556: Use of offsetof is better for allocation of flexible array.Aug 23 2021, 4:52 AM

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cipher/

rC581e04386d87

cipher/md.c

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