anon-identity/dist/ld/signature-suites/bbs-bls-signature-2020.d.ts

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

import { SignatureSuite, KeyType, SigningOptions, VerificationOptions, SelectiveDisclosureOptions, SignatureSuiteOptions } from './signature-suite';
import { Proof } from '../../types/vc2';
/**
 * BbsBlsSignature2020 implementation
 * Supports selective disclosure of attributes
 */
export declare class BbsBlsSignature2020Suite extends SignatureSuite {
    readonly type = "BbsBlsSignature2020";
    readonly requiredKeyType = KeyType.BLS12381G2;
    readonly supportsSelectiveDisclosure = true;
    constructor(options?: SignatureSuiteOptions);
    /**
     * Create a BBS+ signature proof
     */
    createProof(options: SigningOptions): Promise<Proof>;
    /**
     * Verify a BBS+ signature proof
     */
    verifyProof(options: VerificationOptions): Promise<boolean>;
    /**
     * Create a derived proof with selective disclosure
     */
    createDerivedProof(options: SelectiveDisclosureOptions): Promise<Proof>;
    /**
     * Verify a derived proof
     */
    verifyDerivedProof(options: VerificationOptions): Promise<boolean>;
    /**
     * Prepare messages from document for signing/verification
     */
    private prepareMessages;
    /**
     * Get indices of revealed attributes
     */
    private getRevealedIndices;
    /**
     * Prepare revealed messages for derived proof verification
     */
    private prepareRevealedMessages;
    /**
     * Extract public key from verification method
     */
    private extractPublicKey;
    /**
     * Generate a random nonce
     */
    private generateNonce;
    /**
     * Generate a BLS12-381 G2 key pair
     */
    static generateKeyPair(): Promise<{
        publicKey: Uint8Array;
        privateKey: Uint8Array;
    }>;
}
//# sourceMappingURL=bbs-bls-signature-2020.d.ts.map