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Hi, I am using openssl (3.2) in an application. Handshake works just fine but I get a very weird behavior when I receive a big certificate chain inside application data (TLS 1.3 but NOT using Post-Handshake Auth, this is some level-7 auth protocol on top of tls). The openssl error I get is error:0308010C:digital envelope routines::unsupported Which … seems to indicate that openssl is trying (and failing) to interpret the certificate chain…? I really don’t understand what is going on. I thought openssl would treat any application data sent using
SSL_write
following a completed handshake would be opaque for openssl – because why would it look inside and try to parse something? Does anyone have an explanation or have encountered something similar? Regards Jochen |
