DecryptMsg 消息解密
(appID, encryptedMsg, aesKey string)
| 79 | |
| 80 | // DecryptMsg 消息解密 |
| 81 | func DecryptMsg(appID, encryptedMsg, aesKey string) (random, rawMsgXMLBytes []byte, err error) { |
| 82 | defer func() { |
| 83 | if e := recover(); e != nil { |
| 84 | err = fmt.Errorf("panic error: err=%v", e) |
| 85 | return |
| 86 | } |
| 87 | }() |
| 88 | var encryptedMsgBytes, key, getAppIDBytes []byte |
| 89 | encryptedMsgBytes, err = base64.StdEncoding.DecodeString(encryptedMsg) |
| 90 | if err != nil { |
| 91 | return |
| 92 | } |
| 93 | key, err = aesKeyDecode(aesKey) |
| 94 | if err != nil { |
| 95 | panic(err) |
| 96 | } |
| 97 | random, rawMsgXMLBytes, getAppIDBytes, err = AESDecryptMsg(encryptedMsgBytes, key) |
| 98 | if err != nil { |
| 99 | err = fmt.Errorf("消息解密失败,%v", err) |
| 100 | return |
| 101 | } |
| 102 | if appID != string(getAppIDBytes) { |
| 103 | err = fmt.Errorf("消息解密校验APPID失败") |
| 104 | return |
| 105 | } |
| 106 | return |
| 107 | } |
| 108 | |
| 109 | func aesKeyDecode(encodedAESKey string) (key []byte, err error) { |
| 110 | if len(encodedAESKey) != 43 { |
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