topic Support for HMAC-SHA256? in Network Security https://community.cisco.com/t5/network-security/support-for-hmac-sha256/m-p/730772#M971689 <P>Hi,</P><P></P><P>I'm trying to find if any of the various flavours Cisco router/firewall would be capable of establishing an IPsec session that used HMAC-SHA256 in the Authentication field of the ESP header? So far I've drawn a blank and can only find support for SHA-1 implementations.</P><P></P><P>Regards,</P><P></P><P>GRAHAM.</P> Mon, 11 Mar 2019 10:54:34 GMT graham_costa 2019-03-11T10:54:34Z Support for HMAC-SHA256? https://community.cisco.com/t5/network-security/support-for-hmac-sha256/m-p/730772#M971689 <P>Hi,</P><P></P><P>I'm trying to find if any of the various flavours Cisco router/firewall would be capable of establishing an IPsec session that used HMAC-SHA256 in the Authentication field of the ESP header? So far I've drawn a blank and can only find support for SHA-1 implementations.</P><P></P><P>Regards,</P><P></P><P>GRAHAM.</P> Mon, 11 Mar 2019 10:54:34 GMT https://community.cisco.com/t5/network-security/support-for-hmac-sha256/m-p/730772#M971689 graham_costa 2019-03-11T10:54:34Z Re: Support for HMAC-SHA256? https://community.cisco.com/t5/network-security/support-for-hmac-sha256/m-p/730773#M971691 <HTML><HEAD></HEAD><BODY><P>I think PIX and ASA support HMAC-SHA with 256 bit key for ESP. Following link may help you</P><P><A class="jive-link-custom" href="http://www.cisco.com/en/US/products/sw/secursw/ps2308/products_configuration_example09186a00801e71c0.shtml" target="_blank">http://www.cisco.com/en/US/products/sw/secursw/ps2308/products_configuration_example09186a00801e71c0.shtml</A></P></BODY></HTML> Mon, 13 Aug 2007 17:24:53 GMT https://community.cisco.com/t5/network-security/support-for-hmac-sha256/m-p/730773#M971691 carenas123 2007-08-13T17:24:53Z Re: Support for HMAC-SHA256? https://community.cisco.com/t5/network-security/support-for-hmac-sha256/m-p/730774#M971693 <HTML><HEAD></HEAD><BODY><P>I don't believe Cisco support HMAC-SHA256 right now. They support HMAC-SHA1 with AES 256 for payload encryption.</P></BODY></HTML> Mon, 13 Aug 2007 19:55:03 GMT https://community.cisco.com/t5/network-security/support-for-hmac-sha256/m-p/730774#M971693 rigoberto.cintron 2007-08-13T19:55:03Z