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Implements a TLS encrypted server with optional client certificate validation. See Server Class for general information and BearSSL Secure Client Class for basic server and BearSSL concepts.
Similar to the BearSSL::WiFiClientSecure method, sets the receive and transmit buffer sizes. Note that servers cannot request a buffer size from the client, so if these are shrunk and the client tries to send a chunk larger than the receive buffer, it will always fail. This must be called before the server is
TLS servers require a certificate identifying itself and containing its public key, and a private key they will use to encrypt information with. The application author is responsible for generating this certificate and key, either using a self-signed generator or using a commercial certification authority. Do not re-use the certificates included in the examples provided.
This example command will generate a RSA 2048-bit key and certificate:
openssl req -x509 -nodes -newkey rsa:2048 -keyout key.pem -out cert.pem -days 4096Again, it is up to the application author to generate this certificate and key and keep the private key safe and private.
Sets a RSA certificate and key to be used by the server when connections are received. Needs to be called before begin()
setECCert(const BearSSL::X509List *chain, unsigned cert_issuer_key_type, const BearSSL::PrivateKey *sk)
Sets an elliptic curve certificate and key for the server. Needs to be called before begin().
TLS servers can request the client to identify itself by transmitting a certificate during handshake. If the client cannot transmit the certificate, the connection will be dropped by the server.
Sets the trust anchor (normally a self-signing CA) that all received certificates will be verified against. Needs to be called before begin().