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gpg: For de-vs use SHA-256 instead of SHA-1 as implicit preference.

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* g10/pkclist.c (select_algo_from_prefs): Change implicit hash
algorithm.
--

GnuPG-bug-id: 6043
This commit is contained in:
Werner Koch 2022-07-28 10:39:45 +02:00
parent 6d9c8a1cbc
commit eb675fbc4e
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
1 changed files with 10 additions and 2 deletions
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12
g10/pkclist.c
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@ -1519,9 +1519,17 @@ select_algo_from_prefs(PK_LIST pk_list, int preftype,
code will never even be called. Even if the hash wasn't
locked at MD5, we don't support sign+encrypt in --pgp2
mode, and that's the only time PREFTYPE_HASH is used
anyway. -dms */
anyway. -dms
implicit=DIGEST_ALGO_SHA1;
Because "de-vs" compliance does not allow SHA-1 it does
not make sense to assign SHA-1 as implicit algorithm.
Instead it is better to use SHA-256 as implicit algorithm
(which will be the case for rfc4880bis anyway). */
if (opt.compliance == CO_DE_VS)
implicit = DIGEST_ALGO_SHA256;
else
implicit = DIGEST_ALGO_SHA1;
break;