/// <summary>
/// JavaRsa私钥签名RSAWithSHA256
/// </summary>
/// <param name="text"></param>
/// <param name="privateKey"></param>
/// <param name="signFormat"></param>
/// <returns></returns>
public static string JavaRsaSign(string text, string privateKey, RsaSignFormat signFormat = RsaSignFormat.Base64)
{
var rsaProvider = new RsaPkcs8Util(Encoding.UTF8, string.Empty, privateKey);
var sign = rsaProvider.SignDataGetBytes(text, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
return((signFormat == RsaSignFormat.Base64) ? Convert.ToBase64String(sign) : ToHexString(sign));
}
/// <summary>
/// JavaRsa私钥解密
/// </summary>
/// <param name="text"></param>
/// <param name="privateKey"></param>
/// <param name="signFormat"></param>
/// <returns></returns>
public static string JavaRsaDecrypt(string text, string privateKey, RsaSignFormat signFormat = RsaSignFormat.Base64)
{
var rsaProvider = new RsaPkcs8Util(Encoding.UTF8, string.Empty, privateKey);
if (signFormat == RsaSignFormat.Hex) // => byte => base64
{
text = Convert.ToBase64String(FromHexString(text));
}
return(rsaProvider.Decrypt(text, RSAEncryptionPadding.Pkcs1));
}
/// <summary>
/// JavaRsa公钥加密,SHA256,字符长度不能大于公钥长度
/// </summary>
/// <param name="text"></param>
/// <param name="publicKey"></param>
/// <param name="signFormat"></param>
/// <returns></returns>
public static string JavaRsaEncrypt(string text, string publicKey, RsaSignFormat signFormat = RsaSignFormat.Base64)
{
var rsaProvider = new RsaPkcs8Util(Encoding.UTF8, publicKey);
var encryptData = rsaProvider.Encrypt(text, RSAEncryptionPadding.Pkcs1);
if (signFormat == RsaSignFormat.Hex) // => byte => hex
{
encryptData = ToHexString(Convert.FromBase64String(encryptData));
}
return(encryptData);
}
/// <summary>
/// JavaRsa公钥签名验证RSAWithSHA256
/// </summary>
/// <param name="text">源数据</param>
/// <param name="sign">签名</param>
/// <param name="publicKey">java pem公钥</param>
/// <param name="signFormat">base64/hex</param>
public static bool JavaRsaSignVerify(string text, string sign, string publicKey, RsaSignFormat signFormat = RsaSignFormat.Base64)
{
var rsaProvider = new RsaPkcs8Util(Encoding.UTF8, publicKey);
if (signFormat == RsaSignFormat.Hex) // => byte => base64
{
sign = Convert.ToBase64String(FromHexString(sign));
}
return(rsaProvider.VerifyData(text, sign, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1));
}