a range of security services

TLS (Transport Layer Security) the IETF-standardized successor to the SSL protocol resides at the transport layer, effectively being "plugged" between the Web server/browser and TCP/IP. As a result, it also has the potential to protect other TCP services such as FTP, SMTP, and telnet.

SSL/TLS is composed of two sub-protocols called the record protocol and handshake protocol. The handshake protocol is used to exchange any information about cryptographic capabilities and keys used. The record protocol is used to exchange the actual data.

• Server authentication
• Client authentication (optional)
• Integrity
• Confidentiality

Standards Compliance

• SSL 3.0 and TLS 1.0
• 1024 bit key generation and Triple DES encryption
• RSA and Diffie-Hellman key exchange
• RC4 (128 bit) and Triple-DES (168 bit) cipher keys
• MD5 (128 bit hash) and SHA-1 (160 bit hash) Message Digests
• AES encryption

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