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microsoft/crescent-credentials

Run CI on Windows and MacOS

To avoid regressions if/once https://github.com/microsoft/crescent-credentials/pull/143 is merged

• jeswr
·
• Opened 
  on Jun 29
·
• #144

microsoft/crescent-credentials

Underconstrained Length Input of Sha256Bytes Enables Forged Proofs

I would like to report a security vulnerability related to missing range checks inside JWTVerify template, which internally uses the Sha256Bytes template. Issue Description The Sha256Bytes internally ...

• ArmanKolozyan
·
• Opened 
  on Jun 5
·
• #133

microsoft/crescent-credentials

Underconstrained Length Input of Sha256General Enables Forged Proofs

I would like to report a security vulnerability related to missing range checks inside HashRevealClaimValue template, which internally uses the Sha256General template. Issue Description The Sha256General ...

• ArmanKolozyan
·
• Opened 
  on Jun 5
·
• #131

microsoft/crescent-credentials

Missing Range Constraint in RemoveValue Template Allows Comparator Overflow

I would like to report a security vulnerability in the RemoveValue template. This template relies on the GreaterEqThan comparator from circomlib, which assumes bounded inputs, yet it only enforces this ...

• ArmanKolozyan
·
• 1
·
• Opened 
  on Jun 5
·
• #128

microsoft/crescent-credentials

Missing Range Constraints in MatchClaimName Allows Comparator Overflow and Slice Mismatch

I would like to report a security vulnerability related to missing range checks in the MatchClaimName template, which relies on the LessThan comparator from circomlib without ensuring its inputs are properly ...

• ArmanKolozyan
·
• Opened 
  on Jun 5
·
• #125

microsoft/crescent-credentials

potential Circom issues

Hi! First of all, this is a very interesting project, and I really enjoyed exploring the code. I have identified several potential issues in the Circom templates. Since the repository notes that the code ...

• ArmanKolozyan
·
• 2
·
• Opened 
  on May 26
·
• #123

microsoft/crescent-credentials

`zksetup` fails due to version conflict of `owo-colors`

Thank you for the excellent work! I found that running zksetup currently results in the following error: $ cargo run --bin crescent --release --features print-trace zksetup --name rs256 ... Compiling ...

• yamdan
·
• 2
·
• Opened 
  on May 12
·
• #119

microsoft/crescent-credentials

Add context to range proof

Add support for a context value for the range proof. Then when calling it during show, pass the challenge from the DLEQ proof we create in show_groth16 (the challenge is in the struct ShowProof.show_groth16.pok_inputs.c). ...

• zaverucha
·
• Opened 
  on Feb 20
·
• #98

microsoft/crescent-credentials

Add presentation message

Add a presentation challenge to the proof transcript to encode a verifier challenge for interactive presentations, or a timestamp+verifier UID for non-interactive ones. This could also encode payload to ...

enhancement

• christianpaquin
·
• Opened 
  on Jan 16
·
• #89

microsoft/crescent-credentials

Add unit tests to the samples

Old tests were testing things end-to-end, which was long and hard to do given the inter-dependent nature of the components. It would be nice to have long lived test vectors that could simply be passed ...

• christianpaquin
·
• Opened 
  on Dec 5, 2024
·
• #75

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