Sets the authentication method for the digital signature.
    Important: If RSASSA-PKCS1-v1_5 is selected, a check is made to see whether the remote site also supports the superior RSASSA-PSS method and switches to it if necessary. If RSASSA-PSS is selected, then a fallback to the older RSASSA-PKCS1-v1_5 is not provided.
- SNMP ID:
 - 2.19.36.3.4.2
 - Console path:
 - Setup > VPN > IKEv2 > Digital-Signature-Profiles
 - Possible values:
 - Default:
 - RSASSA-PSS