39 lines
1.3 KiB
TypeScript
39 lines
1.3 KiB
TypeScript
import { describe, expect, it } from 'vitest';
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import { decrypt, decryptIdCard, encrypt, hash } from './id-card-cipher.js';
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describe('id-card-cipher', () => {
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it('加密后可解密回原文（roundtrip）', () => {
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const plain = '530102199001011231';
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expect(decrypt(encrypt(plain))).toBe(plain);
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});
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it('同一明文两次加密产生不同密文（随机 IV）', () => {
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const plain = '530102199001011231';
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expect(encrypt(plain)).not.toBe(encrypt(plain));
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});
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it('密文为 base64(iv || authTag || ciphertext)，长度稳定且不含明文', () => {
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const plain = '530102199001011231';
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const enc = encrypt(plain);
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const buf = Buffer.from(enc, 'base64');
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// 12 IV + 16 authTag + 18 ciphertext（AES-GCM 不增补长度）
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expect(buf.length).toBe(12 + 16 + 18);
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expect(enc).not.toContain(plain);
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});
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it('hash 输出 64 位 hex 且稳定', () => {
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const plain = '530102199001011231';
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const h = hash(plain);
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expect(h).toMatch(/^[0-9a-f]{64}$/);
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expect(hash(plain)).toBe(h);
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expect(hash('530102199001011232')).not.toBe(h);
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});
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it('decryptIdCard 空值/非法值返回空串而不抛错', () => {
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expect(decryptIdCard('')).toBe('');
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expect(decryptIdCard(null)).toBe('');
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expect(decryptIdCard(undefined)).toBe('');
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expect(decryptIdCard('not-base64!!!')).toBe('');
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});
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});
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