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github.com/anoncreds/anoncreds-rs @v0.2.3

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README

anoncreds-rs

Rust library and reference implementation of the Anoncreds V1.0 specification.

The AnonCreds (Anonymous Credentials) specification is based on the open source verifiable credential implementation of AnonCreds that has been in use since 2017, initially as part of the Hyperledger Indy open source project and now in the Hyperledger AnonCreds project. The extensive use of AnonCreds around the world has made it a de facto standard for ZKP-based verifiable credentials, and this specification is the formalization of that implementation.

Library

Anoncreds-rs exposes three main parts: issuer, prover and verifier.

Issuer

Create a schema
Create a credential definition
Create a revocation registry definition
Create a revocation status list
Update a revocation status list
Update a revocation status list's timestamp
Create a credential offer
Create a credential

Prover / Holder

Create a credential request
Process an incoming credential
Create a presentation
Create, and update, a revocation state
Create, and update, a revocation state with a witness

Verifier

Verify a presentation
generate a nonce

Wrappers

Anoncreds is, soon, available as a standalone library in Rust, but also via wrappers.

Language	Location	Status
Node.js	javascript	✅
React Native	javascript	✅
Python	python	✅

Credit

The initial implementation of anoncreds-rs is derived from indy-shared-rs that was developed by the Verifiable Organizations Network (VON) team based at the Province of British Columbia, and derives largely from the implementations within Hyperledger Indy-SDK. To learn more about VON and what's happening with decentralized identity in British Columbia, please go to https://vonx.io.

Contributing

Pull requests are welcome! Please read our contributions guide and submit your PRs. We enforce developer certificate of origin (DCO) commit signing. See guidance here.

We also welcome issues submitted about problems you encounter in using anoncreds-rs or any of the wrappers.

License

Apache License Version 2.0

Extension points exported contracts — how you extend this code

Validatable (Interface)

Trait for data types which need validation after being loaded from external sources TODO: this should not default to Ok( [16 …

src/utils/validation.rs

ToJson (Interface)

(no doc) [2 implementers]

src/ffi/object.rs

RevocableCredential (Interface)

(no doc) [2 implementers]

tests/utils/mock.rs

TailsWriter (Interface)

(no doc) [1 implementers]

src/services/tails.rs

AnyAnoncredsObject (Interface)

(no doc)

src/ffi/object.rs

Core symbols most depended-on inside this repo

src/data_types/w3c/context.rs

as_ref

called by 67

src/data_types/nonce.rs

try_into

called by 61

src/data_types/link_secret.rs

load

called by 51

wrappers/python/anoncreds/types.py

load

called by 44

src/ffi/object.rs

Shape

Function 478

Method 351

Class 145

Enum 23

Interface 5

Languages

Rust80%

Python19%

C++1%

Modules by API surface

src/utils/query.rs148 symbols

wrappers/python/anoncreds/bindings.py100 symbols

wrappers/python/anoncreds/types.py85 symbols

src/services/verifier.rs52 symbols

tests/utils/mock.rs50 symbols

src/services/w3c/verifier.rs45 symbols

src/services/prover.rs37 symbols

src/data_types/w3c/proof.rs35 symbols

src/data_types/pres_request.rs27 symbols

src/data_types/nonce.rs26 symbols

src/services/types.rs23 symbols

src/ffi/object.rs21 symbols

For agents

$ claude mcp add anoncreds-rs \
  -- python -m otcore.mcp_server <graph>

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github.com/anoncreds/anoncreds-rs @v0.2.3

anoncreds-rs

Library

Issuer

Prover / Holder

Verifier

Wrappers

Credit

Contributing

License

Extension points exported contracts — how you extend this code

Core symbols most depended-on inside this repo

Shape

Languages

Modules by API surface

For agents

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