8+OpenSSL TLS v1.0 Proposed Internet Stan- dard (from IETF) [TLS1] Revision of SSL 3.0 to update the MAC layer to HMAC, add block padding for block ciphers, message order standard- ization and more alert Method • Cipher for Data Transfer • Message Digest for creating the Message Authentication Code (MAC) These three elements are described in the sections that follow. 5.2. SSL/TLS STRONG ENCRYPTION: Algorithm (SHA-1), a 160-bit hash The message digest is used to create a Message Authentication Code (MAC) which is encrypted with the message to provide integrity and to prevent against replay attacks. 154

8+OpenSSL TLS v1.0 Proposed Internet Standard (from IETF) [TLS1] Revision of SSL 3.0 to update the MAC layer to HMAC, add block padding for block ciphers, message order standardization and more alert messages Exchange Method Cipher for Data Transfer Message Digest for creating the Message Authentication Code (MAC) These three elements are described in the sections that follow. Key Exchange Method The key exchange Algorithm (SHA-1), a 160-bit hash The message digest is used to create a Message Authentication Code (MAC) which is encrypted with the message to verify integrity and to protect against replay attacks. Handshake

8+OpenSSL TLS v1.0 Proposed Internet Standard (from IETF) [TLS1] Revision of SSL 3.0 to update the MAC layer to HMAC, add block padding for block ciphers, message order standardization and more alert messages Exchange Method Cipher for Data Transfer Message Digest for creating the Message Authentication Code (MAC) These three elements are described in the sections that follow. Key Exchange Method The key exchange Algorithm (SHA-1), a 160-bit hash The message digest is used to create a Message Authentication Code (MAC) which is encrypted with the message to verify integrity and to protect against replay attacks. Handshake

8+OpenSSL TLS v1.0 Proposed Internet Standard (from IETF) [TLS1] Revision of SSL 3.0 to update the MAC layer to HMAC, add block padding for block ciphers, message order standardization and more alert messages Exchange Method Cipher for Data Transfer Message Digest for creating the Message Authentication Code (MAC) These three elements are described in the sections that follow. Key Exchange Method The key exchange Algorithm (SHA-1), a 160-bit hash The message digest is used to create a Message Authentication Code (MAC) which is encrypted with the message to verify integrity and to protect against replay attacks. Handshake

8+OpenSSL TLS v1.0 Proposed Internet Standard (from IETF) [TLS1] Revision of SSL 3.0 to update the MAC layer to HMAC, add block padding for block ciphers, message order standardization and more alert messages Exchange Method Cipher for Data Transfer Message Digest for creating the Message Authentication Code (MAC) These three elements are described in the sections that follow. Key Exchange Method The key exchange Algorithm (SHA-1), a 160-bit hash The message digest is used to create a Message Authentication Code (MAC) which is encrypted with the message to verify integrity and to protect against replay attacks. Handshake

8+OpenSSL TLS v1.0 Proposed Internet Stan- dard (from IETF) [TLS1] Revision of SSL 3.0 to update the MAC layer to HMAC, add block padding for block ciphers, message order standard- ization and more alert Method • Cipher for Data Transfer • Message Digest for creating the Message Authentication Code (MAC) These three elements are described in the sections that follow. Key Exchange Method The key exchange Algorithm (SHA-1), a 160-bit hash The message digest is used to create a Message Authentication Code (MAC) which is encrypted with the message to verify integrity and to protect against replay attacks. Handshake

particular platforms. This includes the various Linux distributions, various third-party Windows packages, Mac OS X, Solaris, and many more. Our software license not only permits, but encourages, this kind of MPM WINNT =⇒Here, ’Unix’ is used to mean Unix-like operating systems, such as Linux, BSD, Solaris, Mac OS X, etc. In the case of Unix, the decision as to which MPM is installed is based on two questions: chains TLS v1.0 Proposed Internet Stan- dard (from IETF) [TLS1] Revision of SSL 3.0 to update the MAC layer to HMAC, add block padding for block ciphers, message order standard- ization and more alert

particular platforms. This includes the various Linux distributions, various third-party Windows packages, Mac OS X, Solaris, and many more. Our software license not only permits, but encourages, this kind of MPM WINNT =⇒Here, ’Unix’ is used to mean Unix-like operating systems, such as Linux, BSD, Solaris, Mac OS X, etc. In the case of Unix, the decision as to which MPM is installed is based on two questions: chains TLS v1.0 Proposed Internet Stan- dard (from IETF) [TLS1] Revision of SSL 3.0 to update the MAC layer to HMAC, add block padding for block ciphers, message order standard- ization and more alert

particular platforms. This includes the various Linux distributions, various third- party Windows packages, Mac OS X, Solaris, and many more. Our software license not only permits, but encourages, this kind of chains TLS v1.0 Proposed Internet Standard (from IETF) [TLS1] Revision of SSL 3.0 to update the MAC layer to HMAC, add block padding for block ciphers, message order standardization and more alert messages Exchange Method Cipher for Data Transfer Message Digest for creating the Message Authentication Code (MAC) These three elements are described in the sections that follow. Key Exchange Method The key exchange

particular platforms. This includes the various Linux distributions, various third- party Windows packages, Mac OS X, Solaris, and many more. Our software license not only permits, but encourages, this kind of chains TLS v1.0 Proposed Internet Standard (from IETF) [TLS1] Revision of SSL 3.0 to update the MAC layer to HMAC, add block padding for block ciphers, message order standardization and more alert messages Exchange Method Cipher for Data Transfer Message Digest for creating the Message Authentication Code (MAC) These three elements are described in the sections that follow. Key Exchange Method The key exchange