Table 5 Analysis of Deployment based IDMSs
From: Cloud identity management security issues & solutions: a taxonomy
Categories | Cloud IDMSs | Authn | Authz | Identity Federation | Privacy | User-Centricity | Audit & Logging |
|---|---|---|---|---|---|---|---|
|  | An Identity-Based OTP Scheme with Anonymous Authentication (Luo et al. [2009]) | Smart card + OTP | – | Smart Card | Pseudonyms | Self-Service | – |
Anonymous IDMS | UIMM Based on Anonymous Credentials (Zhang and Chen[2010]) | – | Access Control Policy | – | Pseudonyms + Data Disclosure Prefer. | – | – |
|  | An Entity-centric Approach for Privacy & IDM in Coud Computing (Angin et al. [2010]) | – | – | – | Limited Disclosure | – | History Maintenance |
User-Centric IDMS | Enhancing Privacy and Dynamic Federation in IdM for Consumer Cloud Computing (Hoellrigl et al. [2010]) | PKI | OAUTH | – | – | – | – |
|  | User-Controlled Automated Identity Delegation (Sanchez et al. [2012]) | User name + Pwd | OAUTH + Access Control Policy | Multiple IdPs | Data Disclosure Prefer. | – | – |