Describe the stages and mechanism of establishing a secure connection using SSL/TLS protocols.
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Answer from AI
The process of establishing a secure SSL/TLS connection involves several steps:
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Connection initiation: The client sends a request to the server to establish a secure connection (ClientHello), indicating supported protocol versions and cipher suites.
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Server response: The server responds (ServerHello), selecting encryption parameters and sending its digital certificate for authentication.
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Certificate verification: The client verifies the authenticity of the certificate, ensuring it is signed by a trusted certification authority.
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Key exchange: The client and server exchange information to generate a shared secret key (e.g., using Diffie-Hellman algorithms).
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Session key generation: Based on the key exchange, both parties generate a common secret for encrypting data.
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Handshake completion: The parties confirm the successful establishment of parameters and proceed to secure data transmission.
Thus, SSL/TLS ensures confidentiality, integrity, and authentication of data between the client and server.