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I was creating self-signed certificate with OpenSSL and had to choose encryption and hash algorithm.

Are those algorithms used for encryption between client and a server?

If not, then what are these algorithms for?

John
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  • The protocols and ciphersuites that will be used in the TLS connection between the client and your server are only loosely related (at most) to the key in your certificate and the hashing/signing algorithm used to sign your certifciate. See https://security.stackexchange.com/questions/133409/link-between-cipher-suites-and-certificate-key and https://security.stackexchange.com/questions/90422/ssl-certificates-and-cipher-suites-correspondence for more info. – mti2935 Mar 20 '22 at 15:56

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