[gnutls-help] nettle_cfb8_decrypt and nettle 5.1

Andreas Metzler ametzler at bebt.de
Sat Dec 7 14:07:53 CET 2019


gnutls 3.6.11 introduces this change in
98ac6220bdef67ba1153dc515613e4582e1419a2 "nettle: use included CFB8
implementation if nettle is 3.5":

 # Check if nettle has CFB8 support
+if test -z "$ac_cv_func_nettle_cfb8_encrypt"; then
+	# nettle_cfb8_decrypt in nettle 3.5 is known to be broken
+	ver=`$PKG_CONFIG --modversion nettle`
+	if expr "$ver" : '^3\.5\b' >/dev/null; then
+		ac_cv_func_nettle_cfb8_encrypt=no
+	fi

Which versions of nettle are broken? Is there a fixed release?
The "expr" test hits not only for 3.5 but also for 3.5.1.

cu Andreas
`What a good friend you are to him, Dr. Maturin. His other friends are
so grateful to you.'
`I sew his ears on from time to time, sure'

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