|  | #	$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 | 
|  |  |