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kdc: Add krb5_is_enctype_old() to determine whether an enctype is older

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AES256 and AES128 are newer enctypes because they are officially
specified in RFC4120 and RFC8009, while enctypes not officially
specified since RFC4120 are considered older. This function differs from
older_enctype() in that it does not report unknown or non-existent
enctypes as being 'newer'.

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
This commit is contained in:
Joseph Sutton
2021-10-08 15:59:42 +13:00
committed by Luke Howard
parent 87348cf27a
commit 91e86460cd
9 changed files with 44 additions and 43 deletions
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2
lib/krb5/crypto-arcfour.c
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@@ -360,7 +360,7 @@ struct _krb5_encryption_type _krb5_enctype_arcfour_hmac_md5 = {
&keytype_arcfour,
&_krb5_checksum_hmac_md5,
&_krb5_checksum_hmac_md5,
F_SPECIAL | F_WEAK,
F_SPECIAL | F_WEAK | F_OLD,
ARCFOUR_encrypt,
NULL,
0,