/// <summary>
/// 签名
/// </summary>
/// <param name="str">需要签名的字符串</param>
/// <param name="privateKey">私钥</param>
/// <param name="type"></param>
/// <returns></returns>
public static string RSASign(this string str, string privateKey, RSAType type = RSAType.RSA2)
{
RSAHelper helper = new RSAHelper(type, Encoding.UTF8, privateKey);
return(helper.Sign(str));
}
/// <summary>
/// 验证签名
/// </summary>
/// <param name="str">需要验签的字符串</param>
/// <param name="sign">签名</param>
/// <param name="publicKey">公钥</param>
/// <param name="type"></param>
/// <returns></returns>
public static bool RSAVerify(this string str, string sign, string publicKey, RSAType type = RSAType.RSA2)
{
RSAHelper helper = new RSAHelper(type, Encoding.UTF8, null, publicKey);
return(helper.Verify(str, sign));
}
/// <summary>
/// RSA加密
/// </summary>
/// <param name="str">需要加密的内容</param>
/// <param name="publicKey">公钥</param>
/// <param name="type">类型（加密算法类型 RSA SHA1 长度不限制，推荐使用2048位以上;RSA2 SHA256 密钥长度至少为2048）</param>
/// <returns></returns>
public static string RSAEncrypt(this string str, string publicKey, RSAType type = RSAType.RSA2)
{
RSAHelper helper = new RSAHelper(type, Encoding.UTF8, null, publicKey);
return(helper.Encrypt(str));
}