IKEV2_AUTH_ECDSA_256
method = IKEV2_AUTH_ECDSA_256;
case IKEV2_AUTH_ECDSA_256:
case IKEV2_AUTH_ECDSA_256:
case IKEV2_AUTH_ECDSA_256:
case IKEV2_AUTH_ECDSA_256:
case IKEV2_AUTH_ECDSA_256:
case IKEV2_AUTH_ECDSA_256:
case IKEV2_AUTH_ECDSA_256:
{ "ecdsa256", IKEV2_AUTH_ECDSA_256 },
case IKEV2_AUTH_ECDSA_256: