W3C: Reworked predicates representation - no mapping #303
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Signed-off-by: artem.ivanov <artem.ivanov@dsr-corporation.com>
…sentation Signed-off-by: artem.ivanov <artem.ivanov@dsr-corporation.com> # Conflicts: # src/data_types/w3c/proof.rs
Signed-off-by: artem.ivanov <artem.ivanov@dsr-corporation.com>
TimoGlastra
approved these changes
Jan 16, 2024
Cargo.toml
Outdated
| @@ -27,7 +27,7 @@ vendored = ["anoncreds-clsignatures/openssl_vendored"] | |||
| w3c = ["base64", "chrono", "rmp-serde"] | |||
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| [dependencies] | |||
| anoncreds-clsignatures = "0.3.0" | |||
| anoncreds-clsignatures = { git = "https://github.com/DSRCorporation/anoncreds-clsignatures-rs.git", branch = "feat/expose-proof-predicates" } | |||
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0.3.1 has been released
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| anoncreds-clsignatures = { git = "https://github.com/DSRCorporation/anoncreds-clsignatures-rs.git", branch = "feat/expose-proof-predicates" } | |
| anoncreds-clsignatures = "0.3.1" |
Signed-off-by: artem.ivanov <artem.ivanov@dsr-corporation.com>
Signed-off-by: artem.ivanov <artem.ivanov@dsr-corporation.com>
…sentation-no-mapping
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Merging for now so we can create a pre-release. @andrewwhitehead if you have any comments, we can addreess them in a follow up pr |
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@TimoGlastra @andrewwhitehead @swcurran
This is an alternative implementation for w3c predicate representation as boolean values to using explicit mapping like was done in PR: #302
I feel like it should work and we can close another PR.
anoncreds-clsignaturesrequires passing of predicate name, type, value for doing verification of each cl sub-proof.If we pass a different predicate value, verification will fail.
It can cause an issue when a request contains multiple predicates with the same attribute name. Due to this, we used an explicit mapping.
In proper way, this information (predicate name /type/value) should be taken from the proof request.
But as we do verification for each request attribute/predicate that presentation contains a verifiable credential providing requested data, we can just take
attributes/predicatesfrom inside of sub proof itself at the sub proof verification step .The function to verify requested predicate check the following:
sub_proofcontains sub_proof for the requested predicate (same name, value, type)This PR: depends on this change in CL AnonCreds library: hyperledger/anoncreds-clsignatures-rs#38