Secure Socket Layer: Difference between revisions
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The Secure Socket Layer (SSL) is a cryptographic protocol designed to provide secure communication over the internet. By encrypting data and using digital certificates for authentication, SSL helps protect sensitive information and ensure the security of internet communication. | The Secure Socket Layer (SSL) is a cryptographic protocol designed to provide secure communication over the internet. By encrypting data and using digital certificates for authentication, SSL helps protect sensitive information and ensure the security of internet communication. | ||
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Latest revision as of 21:13, 7 May 2024
Secure Socket Layer (SSL)
The Secure Socket Layer (SSL) is a cryptographic protocol designed to provide secure communication over the internet. SSL encrypts data transmitted between a client and a server, ensuring that it remains confidential and protected from eavesdropping and tampering.
Operation
SSL uses a combination of asymmetric and symmetric encryption algorithms to secure data transmission. When a client connects to a server over SSL, the server sends its public key to the client. The client then generates a symmetric session key, encrypts it with the server's public key, and sends it back to the server. Both the client and server then use the session key to encrypt and decrypt data transmitted between them.
Evolution to TLS
SSL was first developed by Netscape in the mid-1990s but was later deprecated due to security vulnerabilities. The protocol was succeeded by Transport Layer Security (TLS), which is based on the SSL protocol but includes various improvements and enhancements. Despite being deprecated, the term "SSL" is still commonly used to refer to both SSL and TLS protocols.
Uses
SSL is used for various purposes, including:
- Secure Websites: SSL is used to secure websites and protect sensitive information, such as passwords and credit card numbers, transmitted over the internet.
- Email Encryption: SSL is used to encrypt email communication, ensuring that emails remain confidential and protected from unauthorized access.
- Virtual Private Networks (VPNs): SSL is used to create secure connections between remote users and corporate networks, allowing users to access network resources securely over the internet.
Benefits
SSL offers several benefits, including:
- Security: SSL encrypts data transmitted over the internet, protecting it from eavesdropping and tampering.
- Authentication: SSL uses digital certificates to verify the identity of servers and ensure that clients are connecting to legitimate servers.
- Trust: SSL helps build trust with users by demonstrating a commitment to security and protecting sensitive information.
Conclusion
The Secure Socket Layer (SSL) is a cryptographic protocol designed to provide secure communication over the internet. By encrypting data and using digital certificates for authentication, SSL helps protect sensitive information and ensure the security of internet communication.
