81 lines
2.9 KiB
TypeScript
81 lines
2.9 KiB
TypeScript
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import { logger } from '../../utils/logger';
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import { PrivateAuditService } from './PrivateAuditService';
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export interface PrivacyBridgeProof {
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proofId: string;
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tenantId: string;
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zkpPayload: any;
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teeEnclaveId: string;
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verifiedAt: Date;
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status: 'VERIFIED' | 'FAILED';
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}
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/**
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* [CORE_SEC_50] ZKP + TEE 隐私桥梁 (Privacy Bridge)
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* @description 核心逻辑：建立零知识证明 (ZKP) 与可信执行环境 (TEE) 之间的信任桥梁。
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* 系统利用 ZKP 在不泄露敏感数据的前提下证明交易的合法性，并利用 TEE (如 Intel SGX)
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* 在受硬件保护的隔离环境中执行最终的清算与对账逻辑。
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* 这种双重加密方案确保了跨主权贸易中的“数据主权”与“计算完整性”。
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*/
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export class PrivacyBridgeService {
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/**
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* 执行 ZKP -> TEE 隐私对账 (Privacy Reconciliation)
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*/
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static async reconcileInEnclave(params: {
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tenantId: string;
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encryptedTransaction: string;
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zkpProof: string;
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}): Promise<PrivacyBridgeProof> {
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logger.info(`[PrivacyBridge] Starting secure reconciliation for Tenant: ${params.tenantId}`);
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try {
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// 1. 在 TEE 外部验证 ZKP 证明的有效性 (利用 PrivateAuditService)
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const isZkpValid = await PrivateAuditService.verifyProof(params.zkpProof, 'TEE_BRIDGE_AUDITOR');
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if (!isZkpValid) {
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throw new Error('ZKP Proof verification failed before entering TEE enclave.');
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}
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// 2. 模拟进入 TEE Enclave 执行计算
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const teeEnclaveId = `sgx-enclave-${Math.random().toString(36).substr(2, 10)}`;
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logger.info(`[PrivacyBridge] [TEE] Data moved to secure enclave: ${teeEnclaveId}`);
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// 3. 在 Enclave 内部执行敏感计算 (模拟)
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// 在真实场景中，这里会调用硬件指令或特定的 TEE SDK (如 Open Enclave)
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const reconciliationResult = {
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isMatch: true,
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discrepancy: 0,
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integrityHash: `tee-hash-${Date.now()}`
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};
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if (!reconciliationResult.isMatch) {
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throw new Error('Data integrity mismatch detected inside TEE enclave.');
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}
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const proof: PrivacyBridgeProof = {
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proofId: `PB-${Date.now()}`,
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tenantId: params.tenantId,
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zkpPayload: params.encryptedTransaction,
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teeEnclaveId,
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verifiedAt: new Date(),
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status: 'VERIFIED'
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};
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logger.info(`[PrivacyBridge] Secure reconciliation completed. Proof generated: ${proof.proofId}`);
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return proof;
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} catch (err: any) {
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logger.error(`[PrivacyBridge] Secure computation failed: ${err.message}`);
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throw err;
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}
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}
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/**
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* 远程度量 (Remote Attestation)
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* @description 验证 TEE 环境的真实性与代码完整性
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*/
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static async performRemoteAttestation(enclaveId: string): Promise<boolean> {
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logger.info(`[PrivacyBridge] Performing remote attestation for Enclave: ${enclaveId}`);
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// 模拟调用 Intel IAS (Intel Attestation Service) 或类似服务
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return true;
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}
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}
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