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1# 证书链对象的创建和校验
2
3<!--Kit: Device Certificate Kit-->
4<!--Subsystem: Security-->
5<!--Owner: @zxz--3-->
6<!--Designer: @lanming-->
7<!--Tester: @PAFT-->
8<!--Adviser: @zengyawen-->
9
10以校验证书链为例，完成证书链对象的创建，获取证书链中的证书列表以及使用信任锚对证书链进行校验。
11
12## 开发步骤
13
141. 导入[证书算法库框架模块](../../reference/apis-device-certificate-kit/js-apis-cert.md)。
15
16   ```ts
17   import { cert } from '@kit.DeviceCertificateKit';
18   ```
19
202. 基于已有的证书数据，调用[cert.createX509CertChain](../../reference/apis-device-certificate-kit/js-apis-cert.md#certcreatex509certchain11)创建X509证书链对象，并返回结果。
21
223. 调用[x509CertChain.getCertList](../../reference/apis-device-certificate-kit/js-apis-cert.md#getcertlist11)获取证书链中的X509证书列表。
23
244. 调用[x509CertChain.validate](../../reference/apis-device-certificate-kit/js-apis-cert.md#validate11)使用校验参数校验证书链并返回结果。
25
26```ts
27import { cert } from '@kit.DeviceCertificateKit';
28import { BusinessError } from '@kit.BasicServicesKit';
29import { util } from '@kit.ArkTS';
30
31let certChainData = "-----BEGIN CERTIFICATE-----\n" +
32  "MIID6jCCAtKgAwIBAgIIIM2q/TmRoLcwDQYJKoZIhvcNAQELBQAwWjELMAkGA1UE\n" +
33  "BhMCRU4xEDAOBgNVBAgTB0VuZ2xhbmQxDzANBgNVBAcTBkxvbmRvbjEMMAoGA1UE\n" +
34  "ChMDdHMyMQwwCgYDVQQLEwN0czIxDDAKBgNVBAMTA3RzMjAeFw0yMzEyMDUwNzM5\n" +
35  "MDBaFw0yNDEwMzEyMzU5MDBaMGExCzAJBgNVBAYTAkNOMRAwDgYDVQQIEwdKaWFu\n" +
36  "Z3N1MRAwDgYDVQQHEwdOYW5qaW5nMQwwCgYDVQQKEwN0czMxDDAKBgNVBAsTA3Rz\n" +
37  "MzESMBAGA1UEAxMJMTI3LjAuMC4xMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB\n" +
38  "CgKCAQEAtt+2QxUevbolYLp51QGcUpageI4fwGLIqv4fj4aoVnHFOOBqVOVpfCLR\n" +
39  "p26LFV/F8ebwPyo8YEBKSwXzMD1573rMSbaH9BalscH5lZYAbetXoio6YRvzlcmc\n" +
40  "rVvLBNMeVnxY86xHpo0MTNyP7W024rZsxWO98xFQVdoiaBC+7+midlisx2Y+7u0j\n" +
41  "zT9GjeUP6JLdLFUZJKUPSTK3jVzw9v1eZQZKYoNfU6vFMd6ndtwW6qEnwpzmmX/U\n" +
42  "T+p5ThAMH593zszlz330nTSXBjIsGkyvOz9gSB0Z0LAuJj06XUNhGL5xKJYKbdI3\n" +
43  "8MFQFJKvRHfgTAvVsvAvpBUM2DuBKwIDAQABo4GsMIGpMAkGA1UdEwQCMAAwHQYD\n" +
44  "VR0OBBYEFDfsHTMZwoA6eaDFlBUyDpka+sYtMAsGA1UdDwQEAwID+DAnBgNVHSUE\n" +
45  "IDAeBggrBgEFBQcDAQYIKwYBBQUHAwIGCCsGAQUFBwMEMBQGA1UdEQQNMAuCCTEy\n" +
46  "Ny4wLjAuMTARBglghkgBhvhCAQEEBAMCBkAwHgYJYIZIAYb4QgENBBEWD3hjYSBj\n" +
47  "ZXJ0aWZpY2F0ZTANBgkqhkiG9w0BAQsFAAOCAQEAp5vTvXrt8ZpgRJVtzv9ss0lJ\n" +
48  "izp1fJf+ft5cDXrs7TSD5oHrSW2vk/ZieIMhexU4LFwhs4OE7jK6pgI48Dseqxx7\n" +
49  "B/KktxhVMJUmVXd9Ayjp6f+BtZlIk0cArPuoXToXjsV8caTGBXHRdzxpAk/w9syc\n" +
50  "GYrbH9TrdNMuTizOb+k268oKXUageZNxHmd7YvOXkcNgrd29jzwXKDYYiUa1DISz\n" +
51  "DnYaJOgPt0B/5izhoWNK7GhJDy9KEuLURcTSWFysbbnljwO9INPT9MmlS83PdAgN\n" +
52  "iS8VXF4pce1W9U5jH7d7k0JDVSXybebe1iPFphsZpYM/NE+jap+mPy1nTCbf9g==\n" +
53  "-----END CERTIFICATE-----\n" +
54  "-----BEGIN CERTIFICATE-----\n" +
55  "MIIC0zCCAoWgAwIBAgIIXpLoPpQVWnkwBQYDK2VwMFoxCzAJBgNVBAYTAkVOMRAw\n" +
56  "DgYDVQQIEwdFbmdsYW5kMQ8wDQYDVQQHEwZMb25kb24xDDAKBgNVBAoTA3RzMTEM\n" +
57  "MAoGA1UECxMDdHMxMQwwCgYDVQQDEwN0czEwHhcNMjMxMjA1MDczNzAwWhcNMjQw\n" +
58  "OTAxMjM1OTAwWjBaMQswCQYDVQQGEwJFTjEQMA4GA1UECBMHRW5nbGFuZDEPMA0G\n" +
59  "A1UEBxMGTG9uZG9uMQwwCgYDVQQKEwN0czIxDDAKBgNVBAsTA3RzMjEMMAoGA1UE\n" +
60  "AxMDdHMyMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtt+2QxUevbol\n" +
61  "YLp51QGcUpageI4fwGLIqv4fj4aoVnHFOOBqVOVpfCLRp26LFV/F8ebwPyo8YEBK\n" +
62  "SwXzMD1573rMSbaH9BalscH5lZYAbetXoio6YRvzlcmcrVvLBNMeVnxY86xHpo0M\n" +
63  "TNyP7W024rZsxWO98xFQVdoiaBC+7+midlisx2Y+7u0jzT9GjeUP6JLdLFUZJKUP\n" +
64  "STK3jVzw9v1eZQZKYoNfU6vFMd6ndtwW6qEnwpzmmX/UT+p5ThAMH593zszlz330\n" +
65  "nTSXBjIsGkyvOz9gSB0Z0LAuJj06XUNhGL5xKJYKbdI38MFQFJKvRHfgTAvVsvAv\n" +
66  "pBUM2DuBKwIDAQABo28wbTAMBgNVHRMEBTADAQH/MB0GA1UdDgQWBBQ37B0zGcKA\n" +
67  "OnmgxZQVMg6ZGvrGLTALBgNVHQ8EBAMCAQYwEQYJYIZIAYb4QgEBBAQDAgAHMB4G\n" +
68  "CWCGSAGG+EIBDQQRFg94Y2EgY2VydGlmaWNhdGUwBQYDK2VwA0EAuasLBe55YgvF\n" +
69  "b4wmHeohylc9r8cFGS1LNQ5UcSn3sGqMYf6ehnef16NLuCW6upHCs8Sui4iAMvsP\n" +
70  "uKPWR9dKBA==\n" +
71  "-----END CERTIFICATE-----\n" +
72  "-----BEGIN CERTIFICATE-----\n"  +
73  "MIIB3zCCAZGgAwIBAgIIWQvOEDl+ya4wBQYDK2VwMFoxCzAJBgNVBAYTAkVOMRAw\n" +
74  "DgYDVQQIEwdFbmdsYW5kMQ8wDQYDVQQHEwZMb25kb24xDDAKBgNVBAoTA3RzMTEM\n" +
75  "MAoGA1UECxMDdHMxMQwwCgYDVQQDEwN0czEwHhcNMjMxMjA1MDAwMDAwWhcNMjQx\n" +
76  "MjA0MjM1OTU5WjBaMQswCQYDVQQGEwJFTjEQMA4GA1UECBMHRW5nbGFuZDEPMA0G\n" +
77  "A1UEBxMGTG9uZG9uMQwwCgYDVQQKEwN0czExDDAKBgNVBAsTA3RzMTEMMAoGA1UE\n" +
78  "AxMDdHMxMCowBQYDK2VwAyEAuxadj1ww0LqPN24zr28jcSOlSWAe0QdLyRF+ZgG6\n" +
79  "klKjdTBzMBIGA1UdEwEB/wQIMAYBAf8CARQwHQYDVR0OBBYEFNSgpoQvfxR8A1Y4\n" +
80  "St8NjOHkRpm4MAsGA1UdDwQEAwIBBjARBglghkgBhvhCAQEEBAMCAAcwHgYJYIZI\n" +
81  "AYb4QgENBBEWD3hjYSBjZXJ0aWZpY2F0ZTAFBgMrZXADQQAblBgoa72X/K13WOvc\n" +
82  "KW0fqBgFKvLy85hWD6Ufi61k4ProQiZzMK+0+y9jReKelPx/zRdCCgSbQroAR2mV\n" +
83  "xjoE\n" +
84  "-----END CERTIFICATE-----\n";
85
86async function sample() {
87  let textEncoder = new util.TextEncoder();
88  // 证书链二进制数据，需业务自行赋值。
89  const encodingBlob: cert.EncodingBlob = {
90    data: textEncoder.encodeInto(certChainData),
91    // 根据encodingData的格式进行赋值，支持FORMAT_PEM、FORMAT_DER和FORMAT_PKCS7。
92    encodingFormat: cert.EncodingFormat.FORMAT_PEM
93  };
94  let x509CertChain: cert.X509CertChain = {} as cert.X509CertChain;
95  try {
96    x509CertChain = await cert.createX509CertChain(encodingBlob);
97  } catch (err) {
98    let e: BusinessError = err as BusinessError;
99    console.error(`createX509CertChain failed, errCode: ${e.code}, errMsg: ${e.message}`);
100  }
101
102  try {
103    let certList = x509CertChain.getCertList();
104  } catch (err) {
105    let e: BusinessError = err as BusinessError;
106    console.error(`X509CertChain getCertList failed, errCode: ${e.code}, errMsg: ${e.message}`);
107  }
108
109  // 证书链校验数据，需业务自行赋值。
110  const param: cert.CertChainValidationParameters = {
111    date: '20231212080000Z',
112    trustAnchors: [{
113      CAPubKey: new Uint8Array([0x30, 0x2a, 0x30, 0x05, 0x06, 0x03, 0x2b, 0x65, 0x70, 0x03, 0x21, 0x00, 0xbb, 0x16,0x9d, 0x8f, 0x5c, 0x30, 0xd0, 0xba, 0x8f, 0x37, 0x6e, 0x33, 0xaf, 0x6f, 0x23, 0x71, 0x23, 0xa5, 0x49, 0x60,0x1e, 0xd1, 0x07, 0x4b, 0xc9, 0x11, 0x7e, 0x66, 0x01, 0xba, 0x92, 0x52]),
114      CASubject: new Uint8Array([0x30, 0x5a, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x45,0x4e, 0x31, 0x10, 0x30, 0x0e, 0x06, 0x03, 0x55, 0x04, 0x08, 0x13, 0x07, 0x45, 0x6e, 0x67, 0x6c, 0x61, 0x6e,0x64, 0x31, 0x0f, 0x30, 0x0d, 0x06, 0x03, 0x55, 0x04, 0x07, 0x13, 0x06, 0x4c, 0x6f, 0x6e, 0x64, 0x6f, 0x6e,0x31, 0x0c, 0x30, 0x0a, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x03, 0x74, 0x73, 0x31, 0x31, 0x0c, 0x30, 0x0a,0x06, 0x03, 0x55, 0x04, 0x0b, 0x13, 0x03, 0x74, 0x73, 0x31, 0x31, 0x0c, 0x30, 0x0a, 0x06, 0x03, 0x55, 0x04,0x03, 0x13, 0x03, 0x74, 0x73, 0x31]),
115    }]
116  };
117  try {
118    const validationRes = await x509CertChain.validate(param);
119    console.log('X509CertChain validate success');
120  } catch (err) {
121    console.error('X509CertChain validate failed');
122  }
123}
124```
125