103 lines
2.9 KiB
TypeScript
103 lines
2.9 KiB
TypeScript
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export * from 'zkgroup';
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import {
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ClientZkProfileOperations,
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FFICompatArray,
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FFICompatArrayType,
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ProfileKey,
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ProfileKeyCredentialRequestContext,
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ProfileKeyCredentialResponse,
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ServerPublicParams,
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} from 'zkgroup';
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import {
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arrayBufferToBase64,
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arrayBufferToHex,
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base64ToArrayBuffer,
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typedArrayToArrayBuffer,
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} from '../Crypto';
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export function arrayBufferToCompatArray(
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arrayBuffer: ArrayBuffer
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): FFICompatArrayType {
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const buffer = Buffer.from(arrayBuffer);
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return new FFICompatArray(buffer);
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}
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export function compatArrayToArrayBuffer(
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compatArray: FFICompatArrayType
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): ArrayBuffer {
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return typedArrayToArrayBuffer(compatArray.buffer);
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}
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export function base64ToCompatArray(base64: string): FFICompatArrayType {
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return arrayBufferToCompatArray(base64ToArrayBuffer(base64));
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}
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export function compatArrayToBase64(compatArray: FFICompatArrayType): string {
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return arrayBufferToBase64(compatArrayToArrayBuffer(compatArray));
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}
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export function compatArrayToHex(compatArray: FFICompatArrayType): string {
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return arrayBufferToHex(compatArrayToArrayBuffer(compatArray));
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}
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export function deriveProfileKeyVersion(
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profileKeyBase64: string,
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uuid: string
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) {
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const profileKeyArray = base64ToCompatArray(profileKeyBase64);
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const profileKey = new ProfileKey(profileKeyArray);
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const profileKeyVersion = profileKey.getProfileKeyVersion(uuid);
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return profileKeyVersion.toString();
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}
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export function getClientZkProfileOperations(
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serverPublicParamsBase64: string
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): ClientZkProfileOperations {
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const serverPublicParamsArray = base64ToCompatArray(serverPublicParamsBase64);
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const serverPublicParams = new ServerPublicParams(serverPublicParamsArray);
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return new ClientZkProfileOperations(serverPublicParams);
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}
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export function generateProfileKeyCredentialRequest(
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clientZkProfileCipher: ClientZkProfileOperations,
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uuid: string,
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profileKeyBase64: string
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): { context: ProfileKeyCredentialRequestContext; requestHex: string } {
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const profileKeyArray = base64ToCompatArray(profileKeyBase64);
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const profileKey = new ProfileKey(profileKeyArray);
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const context = clientZkProfileCipher.createProfileKeyCredentialRequestContext(
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uuid,
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profileKey
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);
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const request = context.getRequest();
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const requestArray = request.serialize();
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return {
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context,
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requestHex: compatArrayToHex(requestArray),
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};
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}
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export function handleProfileKeyCredential(
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clientZkProfileCipher: ClientZkProfileOperations,
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context: ProfileKeyCredentialRequestContext,
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responseBase64: string
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): string {
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const responseArray = base64ToCompatArray(responseBase64);
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const response = new ProfileKeyCredentialResponse(responseArray);
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const profileKeyCredential = clientZkProfileCipher.receiveProfileKeyCredential(
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context,
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response
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);
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const credentialArray = profileKeyCredential.serialize();
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return compatArrayToBase64(credentialArray);
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}
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