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IOTA Identity for Rebased is currently in alpha and may still be subject to significant changes

SelectiveDisclosurePresentation

@iota/identity-wasm API documentation

Class: SelectiveDisclosurePresentation

Used to construct a JwpPresentedBuilder and handle the selective disclosure of attributes​

Context​

MUST NOT be blinded

  • id MUST be blinded
  • type MUST NOT be blinded
  • issuer MUST NOT be blinded
  • issuanceDate MUST be blinded (if Timeframe Revocation mechanism is used)
  • expirationDate MUST be blinded (if Timeframe Revocation mechanism is used)
  • credentialSubject (User have to choose which attribute must be blinded)
  • credentialSchema MUST NOT be blinded
  • credentialStatus MUST NOT be blinded
  • refreshService MUST NOT be blinded (probably will be used for Timeslot Revocation mechanism)
  • termsOfUse NO reason to use it in ZK VC (will be in any case blinded)
  • evidence (User have to choose which attribute must be blinded)

Constructors​

new SelectiveDisclosurePresentation()​

new SelectiveDisclosurePresentation(issued_jwp): SelectiveDisclosurePresentation

Initialize a presentation starting from an Issued JWP. The properties jti, nbf, issuanceDate, expirationDate and termsOfUse are concealed by default.

Parameters​

issued_jwp​

JwpIssued

Returns​

SelectiveDisclosurePresentation

Methods​

concealInSubject()​

concealInSubject(path): void

Selectively disclose "credentialSubject" attributes.

Example

{
    "id": 1234,
    "name": "Alice",
    "mainCourses": ["Object-oriented Programming", "Mathematics"],
    "degree": {
        "type": "BachelorDegree",
        "name": "Bachelor of Science and Arts",
    },
    "GPA": "4.0",
}

If you want to undisclose for example the Mathematics course and the name of the degree:

undisclose_subject("mainCourses[1]");
undisclose_subject("degree.name");

Parameters​

path​

string

Returns​

void

concealInEvidence()​

concealInEvidence(path): void

Undiscloses "evidence" attributes.

Parameters​

path​

string

Returns​

void

setPresentationHeader()​

setPresentationHeader(header): void

Sets presentation protected header.

Parameters​

PresentationProtectedHeader

Returns​

void