GSS-API

Generic Security Service Application Program Interface

A standard API that provides a common interface for accessing security services, such as authentication, integrity, and confidentiality, across different security mechanisms and protocols. Key aspects of GSS-API include:

• Protocol independence: GSS-API is designed to be independent of any specific security protocol, allowing applications to use various security mechanisms, such as Kerberos, NTLM, or PKI, without modifying the application code.
• Security services: GSS-API provides a set of security services, including authentication, integrity protection, and confidentiality, that applications can use to secure their communications.
• Portability: Application developers can use GSS-API to write portable code that works with different security mechanisms and across different platforms and environments.
• Modularity: GSS-API enables pluggable security modules, allowing system administrators to choose and configure the appropriate security mechanisms for their environment without modifying the applications.
• Interoperability: GSS-API promotes interoperability between different systems and applications by providing a standard interface for accessing security services, regardless of the underlying security infrastructure.

The main functions provided by GSS-API include:

• Credential management: GSS-API provides functions for creating, destroying, and manipulating security credentials, such as user identities and cryptographic keys.
• Context establishment: GSS-API defines functions for establishing and maintaining a secure context between two communicating parties, which includes authentication and negotiation of security parameters.
• Message protection: GSS-API offers functions for protecting the integrity and confidentiality of messages exchanged between communicating parties, using mechanisms like digital signatures and encryption.
• Name manipulation: GSS-API provides functions for manipulating and comparing principal names, representing the identities of the communicating parties.

GSS-API is widely used in various network protocols and applications, such as SSH (Secure Shell), SASL (Simple Authentication and Security Layer), and SOCKS5, to provide secure authentication and communication services. By using GSS-API, these protocols and applications can take advantage of the modular and portable nature of the API to support different security mechanisms and environments.

• Abbreviation: GSS-API