Elliptic-curve Diffie–Hellman (ECDH)

wikipedia:Elliptic-curve Diffie–Hellman Key Exchange

• TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 Weak

• ECDHE
• SSL/TLS Protocol: TLSv1.2,ECDHE-ECDSA-CHACHA20-POLY1305,256,256

• OpenSSH by default uses NTRU combined with the X25519 ECDH key exchange since August 2022, included in version 9.0.

Related

• ssh -Q kex

See also

• ECDH, Key Exchange, Key exchange method (KEX)
• KEX, KexAlgorithms, Diffie–Hellman, PSK, Elliptic-curve Diffie–Hellman (ECDH)
• Crypto, Cryptocurrency, Blockchain, Stablecoin, Cryptocurrency wallet, Cryptocurrency exchange, DeFi, ZK, Crypto companies, Litecoin, Thodex, Ripple, Chainlink, BAT, Qredo (Qredo protocol), AMM, MEV, Uniswap, PoW, PoS, Proof of authority, Polkadot, Zilliqa, CryptoCurrency Security Standard (CCSS), BlockFi, Riot, Xcoex, Web3, Gas, Transfer of Funds Regulation (TFR), NodeReal, Wert, Stellar, DeSo, UTXO, dApp, Token, Boson Protocol, DeversiFi, Paxos Trust Company, Consensus, BlockchainFonds, Block (Crypto), TVL, TTD, Execution Layer (EL), Digital asset, Hashrate, MiCA, Rosetta API, Sybil attack, MELD, Crypto timeline, Cryptocurrency nodes, Ports in crypto, TRUST, VASPs, Velmie, Railgun, Quantstamp, Nakamoto Consensus

https://ciphersuite.info/cs/TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384/

"Changes since OpenSSH 8.9 (OpenSSH 9.0 release notes)". OpenBSDs OpenSSH developers. 2022-04-08.