Hi,<br> I am trying to form a tunnel using RSA authentication in Strongswan with CISCO as peer, but<br>I am getting the below error message.<br><br>Aug 22 12:03:34 uxcasxxx charon: 08[CFG] selected peer config 'site-site'<br>
Aug 22 12:03:34 uxcasxxx charon: 08[CFG] using certificate "C=IN, O=CAS"<br>Aug 22 12:03:34 uxcasxxx charon: 08[CFG] using trusted ca certificate "C=IN, ST=TN, L=CH, O=CAS, E=<a href="mailto:saravanan@strongswan.org">saravanan@strongswan.org</a>"<br>
Aug 22 12:03:34 uxcasxxx charon: 08[CFG] checking certificate status of "C=IN, O=CAS"<br>Aug 22 12:03:34 uxcasxxx charon: 08[CFG] certificate status is not available<br>Aug 22 12:03:34 uxcasxxx charon: 08[CFG] reached self-signed root ca with a path length of 0<br>
<b style="background-color:rgb(255,0,0)">Aug 22 12:03:34 uxcasxxx charon: 08[LIB] expected hash algorithm HASH_SHA1, but found HASH_SHA256 (OID: 30:0d:06:09:60:86:48:01:65:03:04:02:01:05:00)</b><span style><span style="background-color:rgb(255,255,0)"></span></span><br>
Aug 22 12:03:34 uxcasxxx charon: 08[IKE] signature validation failed, looking for another key<br>Aug 22 12:03:34 uxcasxxx charon: 08[ENC] generating IKE_AUTH response 1 [ N(AUTH_FAILED) ]<br><br>Please find my configurations below .<br>
<br>ca vpnca<br> cacert=ikeca_email.crt<br> auto=add<br><br>config setup<br> plutostart=yes<br> plutodebug=all<br> charonstart=yes<br> charondebug=all<br> nat_traversal=yes<br>
crlcheckinterval=10m<br> strictcrlpolicy=no<br><br>conn %default<br> ikelifetime=8h<br> lifetime = 8h<br> rekeyfuzz = 100%<br> keyingtries=1<br><br>conn site-site<br> left=172.31.114.227<br>
leftcert=LeftGty_email.crt<br> ike=aes128-sha256-modp1536!<br> esp=aes128-sha256!<br> leftid=<a href="mailto:carol@strongswan.org">carol@strongswan.org</a><br> rightsubnet=<a href="http://0.0.0.0/0">0.0.0.0/0</a><br>
leftfirewall=yes<br> right=%any<br> rightid=<a href="mailto:saravanan@strongswan.org">saravanan@strongswan.org</a><br> keyexchange=ikev2<br> auto=add<br><br>ipsec.secrets<br>: RSA LeftGty_email.key<br><br>
I am suspecting the problem in configurations.If so, please help me to correct the configuration or else <br>what could be the reason for the failure?.<br><br>Regards,<br>Saravanan N<br>