Notes - MCS
Identification, Authentication and Authorization
Notes - MCS
Identification, Authentication and Authorization
  • Identification, Authentication and Authorization
  • Access Control Models
    • Access types
    • Least privilege principle
    • Access control models
      • Access control kinds
    • Access control kinds
    • Separation of duties
    • Segregation of duties
    • Information flow models
    • Multilevel security
    • Windows mandatory integrity control
    • Clark-Wilson Integrity Model
  • OAuth 2.0 Authorization Framework
    • Goal
    • Roles (RFC 6749)
    • Communication endpoints
    • Application (client)
    • OAuth tokens
    • OAuth flows
      • Code flow
      • Implicit flow
      • Resource owner password flow
      • Client credentials flow
    • Proof Key for Code Exchange (PKCE, RFC 7636)
    • Device authorization grant (RFC 8628)
    • Actual protocol flow
  • Linux Security Mechanisms
    • Mechanisms
    • Linux management privileges
    • Privilege Elevation
    • Capabilities
    • Files extended attributes (xattr)
    • File capabilities
    • Capability transfer across exec
    • Control groups (cgroups)
    • Linux Security Modules (LSM)
    • AppArmor
    • Confinement
  • Authentication Protocols
    • Identity attributes
    • Authentication
    • Authentication interactions
    • Authentication of people
      • Biometrics
      • Token-based OTP generators
      • PAP & CHAP (RFC 1334, 1992, RFC 1994, 1996)
      • S/Key (RFC 2289, 1998)
      • GSM
    • Host authentication
    • Service/server authentication
    • TLS (Transport Layer Security, RFC 8446)
    • SSH (Secure Shell, RFC 4251)
    • Single Sign-On (SSO)
    • Authentication metaprotocols
    • Authentication services
    • Key distribution services
  • PAM (Pluggable Authentication Modules)
    • Motivation
    • PAM
    • PAM APIs
    • Orchestration of PAM actions
    • Module invocation
    • Configuration files
    • PAM orchestration files
    • Scenario 1 – Local authentication
    • Scenario 2 – LDAP auth with local backoff
    • Scenario 3 – MS AD auth with local backoff
  • FIDO and FIDO2 framework
    • FIDO (Fast Identity Online) Alliance
    • Universal 2nd Factor (U2F) protocol
    • WebAuthn
    • Client to Authenticator Protocol (CTAP)
    • Passkeys
  • Authentication with Trusted Third Parties / KDCs
    • Shared-key authentication
    • Key Distribution Center (KDC) concept
    • Kerberos
  • Identity Management
    • Digital Identity
    • Identity Manager (IdM)
    • Identity Provider (IdP)
    • Authoritative source
    • Identity claim
    • Approachs
    • Credential
    • Privacy issues
    • Verifiable credential (VC)
    • Self-Sovereign Identity (SSI)
    • Interoperability
    • eIDAS
  • Anonymity and Privacy
    • Privacy
    • IEEE Digital Privacy Model
    • Privacy with computing technology
    • Privacy and companies
    • Privacy and IAA
    • Identification
    • Authentication
    • Anonymity
    • Microdata privacy issues
    • Microdata privacy enhancing
    • L-Diversity
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  • Resource owner
  • Resource server
  • Client
  • Authorization server
  1. OAuth 2.0 Authorization Framework

Roles (RFC 6749)

Last updated 1 year ago

Resource owner

  • An entity capable of granting access to a protected resource.

  • End-user: a resource owner that is a person.

Resource server

  • The server hosting protected resources.

  • Capable of accepting and responding to protected resource requests using access tokens.

Client

  • An application makes requests for protected resources on behalf of the resource owner and with its authorization.

Authorization server

  • The server issues access tokens to the client after successfully authenticating the resource owner and obtaining its authorization for the client to access one of its resources.

Abstract protocol flow (RFC 6749)
Common protocol flow