/// <summary>
/// 从支付宝公钥证书中提取支付宝公钥
/// </summary>
/// <param name="certPath">证书路径</param>
/// <returns>公钥字符串</returns>
public static string ExtractPemPublicKeyFromCert(string certPath)
{
ArgumentValidator.CheckArgument(!String.IsNullOrEmpty(certPath), "证书文件路径不可为空。");
X509Certificate alipayPublicKeyCert = AntCertificationUtil.ParseCert(File.ReadAllText(certPath));
return(AntCertificationUtil.ExtractPemPublicKeyFromCert(alipayPublicKeyCert));
}
/// <summary>
/// 初始化证书所需运行时参数
/// </summary>
/// <param name="certParams">用户传入的证书相关参数</param>
/// <param name="signType">算法类型</param>
public CertEnvironment(CertParams certParams, string signType)
{
//解析支付宝根证书序列号
this.RootCertContent = File.ReadAllText(certParams.RootCertPath);
this.RootCertSN = AntCertificationUtil.GetRootCertSN(RootCertContent, signType);
//解析应用证书序列号
X509Certificate appCert = AntCertificationUtil.ParseCert(File.ReadAllText(certParams.AppCertPath));
this.AppCertSN = AntCertificationUtil.GetCertSN(appCert);
//解析支付宝公钥证书序列号
X509Certificate alipayPublicKeyCert = AntCertificationUtil.ParseCert(File.ReadAllText(certParams.AlipayPublicCertPath));
string alipayPublicKeyCertSN = AntCertificationUtil.GetCertSN(alipayPublicKeyCert);
//解析支付宝公钥
string alipayPublicKey = AntCertificationUtil.ExtractPemPublicKeyFromCert(alipayPublicKeyCert);
//缓存支付宝公钥证书序号对应的支付宝公钥
AddNewAlipayPublicKey(alipayPublicKeyCertSN, alipayPublicKey);
}
/// <summary>
/// 获取公钥证书序列号
/// </summary>
/// <param name="certPath">公钥证书路径</param>
/// <returns>公钥证书序列号</returns>
public static String GetCertSN(String certPath)
{
X509Certificate cert = AntCertificationUtil.ParseCert(File.ReadAllText(certPath));
return(AntCertificationUtil.GetCertSN(cert));
}