DataIntegrityEddsaJcsVerifier class

Verifies Data Integrity Proofs signed with the eddsa-jcs-2022 cryptosuite.

Canonicalizes using JCS and hashes the credential and proof separately, then verifies the combined hash against the provided proof signature using the issuer's DID key.

Inheritance
Implemented types

Constructors

DataIntegrityEddsaJcsVerifier({required String verifierDid, DateTime getNow()?, List<String>? domain, String? challenge, DocumentLoader? customDocumentLoader, DidResolver? didResolver})
Constructs a new DataIntegrityEddsaJcsVerifier.

Properties

challenge → String?
Optional challenge value.
finalinherited
contextUrl → String
The context URL for this proof type.
no setterinherited
customDocumentLoader → DocumentLoader
The document loader to use when verifying proofs.
finalinherited
didResolver → DidResolver?
Optional custom DID resolver for offline/test verification.
finalinherited
domain → List<String>?
Optional domain restriction.
finalinherited
expectedCryptosuite → String
The expected cryptographic suite.
no setterinherited
expectedJcsCryptosuite → String
The expected cryptosuite identifier for this verifier.
no setter
expectedProofType → String
The expected proof type.
no setterinherited
getNow → DateTime Function()
Function to get the current time.
finalinherited
hashCode → int
The hash code for this object.
no setterinherited
hashingAlgorithm → HashingAlgorithm
The hashing algorithm to use for this cryptosuite.
no setter
issuerDid → String
The DID of the issuer.
finalinherited
proofValueField → String
The field name containing the proof value.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

computeSignatureHash(Map<String, dynamic> proof, Map<String, dynamic> unsignedCredential, Future<RemoteDocument?> documentLoader(Uri url, LoadDocumentOptions? options)) → Future<Uint8List>
Computes the signature hash from proof and document.
inherited
getSignatureScheme(Uri verificationMethod) → Future<SignatureScheme>
Gets the signature scheme for signature verification.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
prepareProofForVerification(Map<String, dynamic> proof, Map<String, dynamic> document) → Map<String, dynamic>
Prepares proof structure for verification according to cryptosuite requirements.
inherited
toString() → String
A string representation of this object.
inherited
validateCryptosuite(Map<String, dynamic> document, Map<String, dynamic> proof) → Future<VerificationResult>
Validates cryptosuite-specific requirements.
inherited
verify(Map<String, dynamic> document, {DateTime getNow() = DateTime.now}) → Future<VerificationResult>
Verify the embedded proofs in the document
inherited
verifySignature(String proofValue, String issuerDid, Uri verificationMethod, Uint8List hash) → Future<bool>
Verifies the signature against the computed hash.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited