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Update on AnonCreds Happenings Discussion: Modularity in the Underlying Signature Schemes - Mike Lodder Understandable names for schema types Presentation Data Models Open Discussion

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Stephen Curran (BC Gov / Cloud Compass Computing Inc.) <swcurran@cloudcompass.ca>

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Update on AnonCreds Happenings
Discussion: Modularity in the Underlying Signature Schemes - Mike Lodder
- AnonCreds v2.0 could use one of four (CL, BLS, BBS, and PS) signatures schemes at the moment. How does that work?
Purposes/use cases for the Schema Types proposed for AnonCreds v2.0, with a goal of leading to same names for the different types:
- Enumeration
  - Hashed
  - Numeric
  - Scalar
- String
- Unsigned Byte/Binary
  - Hashed: claim data is hashed before signing
  - Numeric: claim data is zero centered before signing
  - Scalar: claim data is already a cryptographic value. Equivalent to a null hash
Proposed Presentation Data Models, based on what Mike Lodder has presented and documented here: https://hackmd.io/ZlsnLoclSveePJOZljgMfA

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