node: add option to use self signed certs - #4114
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Request client certificates on TLS endpoints and use their keys to authenticate unsigned one-hop object requests. Closes #4088. Signed-off-by: Andrey Butusov <andrey@nspcc.io>
Require and verify client certificates from inter-node TLS peers against the network map. Track connections that completed mutual TLS and omit request signatures for forwarded TTL=1 HEAD, GET, RANGE, PUT, and SEARCH requests over them. Keep signing when TLS is unavailable, mutual authentication is incomplete, or the request TTL is not one. Closes #4089. Signed-off-by: Andrey Butusov <andrey@nspcc.io>
Use the SDK local request signing status to omit signatures from TTL=1 object requests sent over a mutually authenticated connection. Keep signatures for plain connections, TLS connections without mutual authentication, and requests with other TTL values. Update SDK to the version providing this API. Signed-off-by: Andrey Butusov <andrey@nspcc.io>
Add `grpc.tls.self_signed` to generate a TLS certificate from the node key. Use the generated certificate for inter-node client authentication and validate self-signed candidate certificates against the public key announced in the network map. Closes #4090. Signed-off-by: Andrey Butusov <andrey@nspcc.io>
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Closes #4090.