The class for SSL errors corresponding to SSL_ERROR_WANT_X509_LOOKUP.
SSL_ERROR_WANT_X509_LOOKUP
comm
ssl-condition
The condition class ssl-x509-lookup corresponds to SSL_ERROR_WANT_X509_LOOKUP. It happens when a certificate is rejected by a user callback.
ssl-x509-lookup
LispWorks User Guide and Reference Manual - 20 Sep 2017