/// <summary>
/// 验证签名
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="pObj"></param>
/// <returns></returns>
public static bool CheckSecuritySign <T>(this T pObj)
{
bool flag = false;
string signStr = string.Empty;
Type type = pObj.GetType();
PropertyInfo[] pro = type.GetProperties();
Dictionary <string, string> dic = new Dictionary <string, string>();
foreach (PropertyInfo p in pro)
{
// 获取签名字段的签名值
if (p.GetCustomAttributes(typeof(SignatureFieldAttribute), false).Any())
{
signStr = p.GetValue(pObj, null).ToString();
}
// 可以采用特性来进行需要签名或者不需要签名的字段排除
if (p.GetCustomAttributes(typeof(IgnoreSignatureAttribute), false).Any())
{
continue;
}
if (p.GetValue(pObj, null) == null)
{
dic.Add(p.Name, string.Empty);
}
else
{
dic.Add(p.Name, p.GetValue(pObj, null).ToString());
}
}
if (dic.Count == 0)
{
return(flag);
}
// 排序
IOrderedEnumerable <KeyValuePair <string, string> > keys = dic.OrderBy(d => d.Key);
string signValue = string.Empty;
foreach (KeyValuePair <string, string> d in keys)
{
signValue += string.Format("{0}={1}&", d.Key, d.Value);
}
signValue = signValue.Substring(0, signValue.Length - 1);
// sha256加密
string sha256SignValue = HashEncryptHelper.SHA256Encrypt(signValue);
// RSA签名解密出来的值
string rsaSginValue = BouncyCastleHelper.PublicKeyDecrypt(signStr, System.Configuration.ConfigurationManager.AppSettings["PAPublicKey"]);
// 用自己SHA256加密后跟签名里面的做对比是否一样防止串改
return(sha256SignValue.Equals(rsaSginValue));
}
/// <summary>
/// 获取签名
/// </summary>
/// <typeparam name="T">请求实体类型</typeparam>
/// <param name="pObj">请求实体</param>
/// <param name="pIgnoreAttr">不需要拼接的属性名,多个用逗号隔开</param>
/// <returns></returns>
public static void GetSecuritySign <T>(this T pObj)
{
Type type = pObj.GetType();
PropertyInfo[] pro = type.GetProperties();
PropertyInfo signProp = null;
Dictionary <string, string> dic = new Dictionary <string, string>();
foreach (PropertyInfo p in pro)
{
// 获取签名的字段
if (p.GetCustomAttributes(typeof(SignatureFieldAttribute), false).Any())
{
signProp = p;
}
// 可以采用特性来进行需要签名或者不需要签名的字段排除
if (p.GetCustomAttributes(typeof(IgnoreSignatureAttribute), false).Any())
{
continue;
}
if (p.GetValue(pObj, null) == null)
{
dic.Add(p.Name, string.Empty);
}
else
{
dic.Add(p.Name, p.GetValue(pObj, null).ToString());
}
}
if (dic.Count == 0)
{
return;
}
// 排序
IOrderedEnumerable <KeyValuePair <string, string> > keys = dic.OrderBy(d => d.Key);
string signValue = string.Empty;
foreach (KeyValuePair <string, string> d in keys)
{
signValue += string.Format("{0}={1}&", d.Key, d.Value);
}
signValue = signValue.Substring(0, signValue.Length - 1);
// sha256加密
byte[] sha256SignValue = HashEncryptHelper.SHA256EncryptOutByte(signValue);
// RSA签名
string rsaSginValue = BouncyCastleHelper.PrivateKeyEncrypt(sha256SignValue, System.Configuration.ConfigurationManager.AppSettings["PrivateKey"]);
// 签名
signProp.SetValue(pObj, rsaSginValue, null);
}