lsm/DotNetCore.SKIT.FlurlHttpClient.Wechat
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fix(wxapi): fix typo

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This commit is contained in:
Fu Diwei
2021-07-30 19:57:25 +08:00
parent ddfdd85f61
commit 6518ad135b
1 changed files with 12 additions and 12 deletions
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24
src/SKIT.FlurlHttpClient.Wechat.Api/Utilities/WxBizMsgCryptor.cs
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@@ -75,11 +75,11 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Utilities
return res;
}
private static byte[] AESDecrypt(byte[] keyBytes, byte[] ivBytes, byte[] chiperBytes)
private static byte[] AESDecrypt(byte[] keyBytes, byte[] ivBytes, byte[] ciperBytes)
{
if (keyBytes == null) throw new ArgumentNullException(nameof(keyBytes));
if (ivBytes == null) throw new ArgumentNullException(nameof(ivBytes));
if (chiperBytes == null) throw new ArgumentNullException(nameof(chiperBytes));
if (ciperBytes == null) throw new ArgumentNullException(nameof(ciperBytes));
using RijndaelManaged aes = new RijndaelManaged();
aes.KeySize = 256;
@@ -94,9 +94,9 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Utilities
using (var ms = new MemoryStream())
using (var cs = new CryptoStream(ms, decryptor, CryptoStreamMode.Write))
{
byte[] bMsg = new byte[chiperBytes.Length + 32 - chiperBytes.Length % 32];
Array.Copy(chiperBytes, bMsg, chiperBytes.Length);
cs.Write(chiperBytes, 0, chiperBytes.Length);
byte[] bMsg = new byte[ciperBytes.Length + 32 - ciperBytes.Length % 32];
Array.Copy(ciperBytes, bMsg, ciperBytes.Length);
cs.Write(ciperBytes, 0, ciperBytes.Length);
byte[] plainBytes = Decode2(ms.ToArray());
return plainBytes;
@@ -128,28 +128,28 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Utilities
using (var cs = new CryptoStream(ms, encryptor, CryptoStreamMode.Write))
{
cs.Write(msgBytes, 0, msgBytes.Length);
byte[] chiperBytes = ms.ToArray();
return Convert.ToBase64String(chiperBytes);
byte[] cipherBytes = ms.ToArray();
return Convert.ToBase64String(cipherBytes);
}
}
/// <summary>
/// AES 解密微信回调加密数据。
/// </summary>
/// <param name="chiperText">微信推送来的加密文本内容（即 `Encrypt` 字段的值）。</param>
/// <param name="cipherText">微信推送来的加密文本内容（即 `Encrypt` 字段的值）。</param>
/// <param name="encodingAESKey">微信后台设置的 EncodingAESKey。</param>
/// <param name="appId">微信 AppId。</param>
/// <returns>解密后的文本内容。</returns>
public static string AESDecrypt(string chiperText, string encodingAESKey, out string appId)
public static string AESDecrypt(string cipherText, string encodingAESKey, out string appId)
{
if (chiperText == null) throw new ArgumentNullException(nameof(chiperText));
if (cipherText == null) throw new ArgumentNullException(nameof(cipherText));
if (encodingAESKey == null) throw new ArgumentNullException(nameof(encodingAESKey));
byte[] chiperBytes = Convert.FromBase64String(chiperText);
byte[] cipherBytes = Convert.FromBase64String(cipherText);
byte[] keyBytes = Convert.FromBase64String(encodingAESKey + "=");
byte[] ivBytes = new byte[16];
Array.Copy(keyBytes, ivBytes, 16);
byte[] btmpMsg = AESDecrypt(chiperBytes: chiperBytes, ivBytes: ivBytes, keyBytes: keyBytes);
byte[] btmpMsg = AESDecrypt(ciperBytes: cipherBytes, ivBytes: ivBytes, keyBytes: keyBytes);
int len = BitConverter.ToInt32(btmpMsg, 16);
len = IPAddress.NetworkToHostOrder(len);