I am getting the same problem as OP on few public quite big websites in EU country. However in console under trustd I see something different: SecKeyVerifySignature failed: Error Domain=NSOSStatusErrorDomain Code=-67808 "RSA signature verification failed, no match" UserInfo={numberOfErrorsDeep=0, NSDescription=RSA signature verification failed, no match}

I am getting the same problem as OP on few public quite big websites in EU country. However in trustd I see something different: