[Serusers] Issue with auth_identity

Hello, I am trying to put in place auth_identity between 2 SER proxies and it doesn't work well. The first one manages to add identity and identity_info fields and to send the INVITE to the other proxy. But when the other proxy receive the message and does his tests there is an issue. It sends back a 436 Bad Identity Info. The error happens during the "vrfy_get_certificate" function (function which downloads the certificate thanks to identity_info URL). On my proxy logs, I can see this : AUTH_IDENTITY:retrieve_x509: DER Certificate error:0D0680A8:asn1 encoding routines:ASN1_CHECK_TLEN:wrong tag I really don't know what to do, do you have any idea? Thanks, Regards, Jérôme HERVE