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# $OpenBSD: try-ciphers.sh,v 1.20 2013/05/17 10:16:26 dtucker Exp $
# Placed in the Public Domain.
tid="try ciphers"
ciphers="aes128-cbc 3des-cbc blowfish-cbc cast128-cbc
arcfour128 arcfour256 arcfour
aes192-cbc aes256-cbc rijndael-cbc@lysator.liu.se
aes128-ctr aes192-ctr aes256-ctr"
config_defined OPENSSL_HAVE_EVPGCM && \
ciphers="$ciphers aes128-gcm@openssh.com aes256-gcm@openssh.com"
macs="hmac-sha1 hmac-md5 umac-64@openssh.com umac-128@openssh.com
hmac-sha1-96 hmac-md5-96
hmac-sha1-etm@openssh.com hmac-md5-etm@openssh.com
umac-64-etm@openssh.com umac-128-etm@openssh.com
hmac-sha1-96-etm@openssh.com hmac-md5-96-etm@openssh.com
hmac-ripemd160-etm@openssh.com"
config_defined HAVE_EVP_SHA256 &&
macs="$macs hmac-sha2-256 hmac-sha2-512
hmac-sha2-256-etm@openssh.com hmac-sha2-512-etm@openssh.com"
for c in $ciphers; do
n=0
for m in $macs; do
trace "proto 2 cipher $c mac $m"
verbose "test $tid: proto 2 cipher $c mac $m"
${SSH} -F $OBJ/ssh_proxy -2 -m $m -c $c somehost true
if [ $? -ne 0 ]; then
fail "ssh -2 failed with mac $m cipher $c"
fi
# No point trying all MACs for GCM since they are ignored.
case $c in
aes*-gcm@openssh.com) test $n -gt 0 && break;;
esac
n=`expr $n + 1`
done
done
ciphers="3des blowfish"
for c in $ciphers; do
trace "proto 1 cipher $c"
verbose "test $tid: proto 1 cipher $c"
${SSH} -F $OBJ/ssh_proxy -1 -c $c somehost true
if [ $? -ne 0 ]; then
fail "ssh -1 failed with cipher $c"
fi
done
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