anon-identity/dist/zkp/bbs-selective-disclosure.d.ts

Decentralized identity framework with DIDs, Verifiable Credentials, and privacy-preserving selective disclosure

import { JsonLdProcessor } from '../ld/jsonld-processor';
import { VerifiableCredentialV2, Proof } from '../types/vc2';
/**
 * BBS+ based selective disclosure options
 */
export interface BbsSelectiveDisclosureOptions {
    attributesToReveal: string[];
    holderDID?: string;
    nonce?: string;
    jsonLdProcessor?: JsonLdProcessor;
}
/**
 * BBS+ based selective disclosure result
 */
export interface BbsSelectiveDisclosureResult {
    derivedCredential: VerifiableCredentialV2;
    derivedProof: Proof;
    revealedPaths: string[];
}
/**
 * BBS+ based selective disclosure for Verifiable Credentials
 */
export declare class BbsSelectiveDisclosure {
    private suite;
    private jsonLdProcessor;
    constructor(jsonLdProcessor?: JsonLdProcessor);
    /**
     * Create a derived credential with selective disclosure
     */
    deriveCredential(originalCredential: VerifiableCredentialV2, options: BbsSelectiveDisclosureOptions): Promise<BbsSelectiveDisclosureResult>;
    /**
     * Verify a derived credential
     */
    verifyDerivedCredential(derivedCredential: VerifiableCredentialV2, issuerPublicKey: Uint8Array, expectedNonce?: string): Promise<boolean>;
    /**
     * Create a JSON-LD frame for selective disclosure
     */
    private createFrame;
    /**
     * Extract revealed paths from original and framed credentials
     */
    private extractRevealedPaths;
    /**
     * Recursively extract paths
     */
    private extractPathsRecursive;
    /**
     * Check if proof is BBS+ signature
     */
    private isBbsProof;
    /**
     * Check if proof is BBS+ derived proof
     */
    private isBbsDerivedProof;
    /**
     * Estimate the privacy level of a selective disclosure
     * Returns a score from 0 (all revealed) to 1 (minimal revelation)
     */
    estimatePrivacyLevel(originalCredential: VerifiableCredentialV2, revealedPaths: string[]): Promise<number>;
    /**
     * Extract all attribute paths from a credential
     */
    private extractAllPaths;
    /**
     * Recursively extract all paths
     */
    private extractAllPathsRecursive;
}
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