67 lines
1.9 KiB
TypeScript
67 lines
1.9 KiB
TypeScript
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import { logger } from '../../utils/logger';
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import * as crypto from 'crypto';
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export interface ComputationProof {
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proofId: string;
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nodeId: string;
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timestamp: number;
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inputHash: string;
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outputHash: string;
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zkpPayload: string; // 模拟 ZKP 证明
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}
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/**
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* [CORE_SEC_14] 跨节点机密计算证明链 (Proof of Computation)
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* @description 建立分布式 TEE 计算结果的可信存证与追溯链，确保计算逻辑在跨节点传输中未被篡改且来源可信。
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*/
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export class ProofOfComputationService {
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private static proofChain: ComputationProof[] = [];
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/**
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* 生成计算证明
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* @param input 计算输入
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* @param output 计算输出
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* @param nodeId 执行节点 ID
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*/
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static generateProof(input: any, output: any, nodeId: string): ComputationProof {
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logger.info(`[PoC] Generating computation proof for node: ${nodeId}`);
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const inputHash = crypto.createHash('sha256').update(JSON.stringify(input)).digest('hex');
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const outputHash = crypto.createHash('sha256').update(JSON.stringify(output)).digest('hex');
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const proof: ComputationProof = {
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proofId: `poc-${Date.now()}-${Math.random().toString(36).substr(2, 5)}`,
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nodeId,
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timestamp: Date.now(),
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inputHash,
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outputHash,
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zkpPayload: `zkp_signature_${crypto.randomBytes(16).toString('hex')}`
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};
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this.proofChain.push(proof);
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return proof;
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}
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/**
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* 验证证明链完整性
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*/
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static async verifyProof(proof: ComputationProof): Promise<boolean> {
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logger.debug(`[PoC] Verifying computation proof: ${proof.proofId}`);
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// 1. 模拟 ZKP 校验
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const isZkpValid = proof.zkpPayload.startsWith('zkp_signature_');
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// 2. 模拟节点身份校验 (NodeIdentityService)
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const isNodeTrusted = true;
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return isZkpValid && isNodeTrusted;
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}
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/**
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* 获取溯源记录
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*/
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static getProofHistory(): ComputationProof[] {
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return this.proofChain;
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}
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}
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