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1/*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16import cipher from '@system.cipher'
17import Logger from './Logger'
18
19const TAG: string = '[CipherModel]'
20const AES_ENCRYPT_KEY: string = 'NDM5Qjk2UjAzMEE0NzVCRjlFMkQwQkVGOFc1NkM1QkQ='
21const RSA_ENCRYPT_KEY: string = 'MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCx414QSP3RsYWYzf9mkBMiBAXo\n' +
22'6S7Lpva1fKlcuVxjoFC1iMnzD4mC0uiL4k5MNi43J64c7dbqi3qAJjdAtuwQ6NZJ\n' +
23'+Enz0RzmVFh/4yk6lmqRzuEFQqhQqSZzaLq6sq2N2G0Sv2Xl3sLvqAfe2HNm2oBw\n' +
24'jBpApTJ3TeneOo6Z5QIDAQAB'
25const RSA_DECRYPT_KEY: string = 'MIICXgIBAAKBgQCx414QSP3RsYWYzf9mkBMiBAXo6S7Lpva1fKlcuVxjoFC1iMnz\n' +
26'D4mC0uiL4k5MNi43J64c7dbqi3qAJjdAtuwQ6NZJ+Enz0RzmVFh/4yk6lmqRzuEF\n' +
27'QqhQqSZzaLq6sq2N2G0Sv2Xl3sLvqAfe2HNm2oBwjBpApTJ3TeneOo6Z5QIDAQAB\n' +
28'AoGBAKPNtoRQcklxqo+2wQP0j2m3Qqnib1DggjVEgb/8f/LNYQSI3U2QdROemryU\n' +
29'u3y6N3xacZ359PktTrRKfH5+8ohmHGhIuPAnefp6bLvAFUcl4t1xm74Cow62Kyw3\n' +
30'aSbmuTG98dxPA1sXD0jiprdtsq2wQ9CoKNyY7/d/pKoqxNuBAkEA4GytZ60NCTj9\n' +
31'w24jACFeko5YqCFY/TTLoc4SQvWtFMnimRPclLZhtUIK0P8dib71UFedx+AxklgL\n' +
32'A5gjcfo+2QJBAMrqiwyCh3OQ5DhyRPDwt87x1/jg5fy4hhete2ufSf2FoQCVqO+w\n' +
33'PKoljdXmJeS6rGgzGibstuHLrP3tcIho4+0CQD3ZFWzF/xq0jxKlrpWhnJuNCRfE\n' +
34'oO6e9yNvVA8J/5oEDSOcmqSNIp4+RhbUx8InUxnCG6Ryv5aSFu71pYcKrPkCQQCL\n' +
35'RUGcm3ZGTnslduB0knNF+V2ndwzDUQ7P74UXT+PjurTPhujFYiuxCEd6ORVnEOzG\n' +
36'M9TORIgdH8MjIbWsGnndAkEAw9yURDaorE8IYPLF2IEn09g1uzvWPs3phDb6smVx\n' +
37'8GfqIdUNf+aCG5TZK/kXBF1sqcsi7jXMAf4jBlejVbSVZg=='
38
39export class CipherModel {
40  rsaEncrypt(message: string, callback) {
41    let result: Object | string = undefined
42    cipher.rsa({
43      // 加密
44      action: 'encrypt',
45      // 待加密的文本内容
46      text: message,
47      // base64编码后的加密公钥
48      key: RSA_ENCRYPT_KEY,
49      transformation: 'RSA/None/OAEPWithSHA256AndMGF1Padding',
50      success: (info) => {
51        result = info
52        Logger.info(TAG, `result = ${JSON.stringify(result)}`)
53        callback(result)
54      },
55      fail: (data, code) => {
56        result = 'Error!'
57        Logger.debug(TAG, `cipher.rsa encrypt fail ${JSON.stringify(code)}: ${JSON.stringify(data)}`)
58        callback(result)
59      },
60      complete: () => {
61        Logger.info(TAG, `encrypt is success`)
62      }
63    })
64  }
65
66  rsaDecrypt(message: string, callback) {
67    let result: Object | string = undefined
68    cipher.rsa({
69      // 解密：
70      action: 'decrypt',
71      // 待解密的内容
72      text: message,
73      // base64编码后的解密私钥
74      key: RSA_DECRYPT_KEY,
75      success: (info) => {
76        result = info
77        Logger.info(TAG, `result = ${JSON.stringify(result)}`)
78        callback(result)
79      },
80      fail: (data, code) => {
81        result = 'Error!'
82        Logger.debug(TAG, `cipher.rsa decrypt fail ${JSON.stringify(code)}: ${JSON.stringify(data)}`)
83        callback(result)
84      },
85      complete: () => {
86        Logger.info(TAG, `encrypt is success`)
87      }
88    })
89  }
90
91  aesEncrypt(message: string, callback) {
92    let result: Object | string = undefined
93    cipher.aes({
94      // 加密
95      action: 'encrypt',
96      // 待加密的文本内容
97      text: message,
98      // base64编码后的密钥
99      key: AES_ENCRYPT_KEY,
100      transformation: 'AES/CBC/PKCS5Padding',
101      ivOffset: '0',
102      ivLen: '16',
103      success: (info) => {
104        result = info
105        Logger.info(TAG, `result = ${JSON.stringify(result)}`)
106        callback(result)
107      },
108      fail: (data, code) => {
109        result = 'Error!'
110        Logger.debug(TAG, `cipher.aes encrypt fail ${JSON.stringify(code)}: ${JSON.stringify(data)}`)
111        callback(result)
112      },
113      complete: () => {
114        Logger.info(TAG, `encrypt is success`)
115      }
116    })
117  }
118
119  aesDecrypt(message: string, callback) {
120    let result: Object | string = undefined
121    cipher.aes({
122      // 解密：
123      action: 'decrypt',
124      // 待解密的内容，是base64编码后的一段二进制值
125      text: message,
126      // base64编码后的密钥
127      key: AES_ENCRYPT_KEY,
128      transformation: 'AES/CBC/PKCS5Padding',
129      ivOffset: '0',
130      ivLen: '16',
131      success: (info) => {
132        result = info
133        Logger.info(TAG, `data = ${JSON.stringify(result)}`)
134        callback(result)
135      },
136      fail: (data, code) => {
137        result = 'Error!'
138        Logger.debug(TAG, `cipher.aes encrypt fail ${JSON.stringify(code)}: ${JSON.stringify(data)}`)
139        callback(result)
140      },
141      complete: () => {
142        Logger.info(TAG, `encrypt is success`)
143      }
144    })
145  }
146}