private string CalcHMACSHA256Hash(string plaintext, string salt)
{
string result = "";
var enc = Encoding.Default;
byte[]
baText2BeHashed = enc.GetBytes(plaintext),
baSalt = enc.GetBytes(salt);
System.Security.Cryptography.HMACSHA256 hasher = new HMACSHA256(baSalt);
byte[] baHashedText = hasher.ComputeHash(baText2BeHashed);
result = string.Join("", baHashedText.ToList().Select(b => b.ToString("x2")).ToArray());
return result;
}
Encoding.Default; 改成 Encoding.UTF8;
if (cal_sign == return_sign)
{
return true;
}
Log.Error(this.GetType().ToString(), "WxPayData签名验证错误!");
throw new WxPayException("WxPayData签名验证错误!");
改成
if (cal_sign.ToUpper() == return_sign.ToUpper())
{
return true;
}
Log.Error(this.GetType().ToString(), "WxPayData签名验证错误!");
throw new WxPayException("WxPayData签名验证错误!");
}
一直以为 api密钥不对,重置了好几次。。。。