Selective disclosure for JWTs #94
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Signed-off-by: Greg Zaverucha <gregz@microsoft.com>
Attributes that are larger than a field element can be hashed to fit, then disclosed by revealing the preimage. Completes the core work for selective disclosure. Added support for basic proof specifications encoding a description of attribute data to disclose. Signed-off-by: Greg Zaverucha <gregz@microsoft.com>
Signed-off-by: Greg Zaverucha <gregz@microsoft.com>
Callers do not have to specify whether a revaled attribute is hashed or not, we can figure that out from the config.json file. The Groth16 params were being saved twice, once on their own and once in the prover params, as they can be large, we only save them once in the prover params. Signed-off-by: Greg Zaverucha <gregz@microsoft.com>
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