public static byte[] EncryptRSA(string publicKeyAsPem, string payload, string passphrase = null)
{
var encoder = new UTF8Encoding();
byte[] byte_payload = encoder.GetBytes(payload);
CryptoKey d = CryptoKey.FromPublicKey(publicKeyAsPem, passphrase);
OpenSSL.Crypto.RSA rsa = d.GetRSA();
byte[] result = rsa.PublicEncrypt(byte_payload, OpenSSL.Crypto.RSA.Padding.PKCS1);
rsa.Dispose();
return(result);
}
public static string DecryptRSA(string privateKeyAsPem, byte[] payload, string passphrase = null)
{
var encoder = new UTF8Encoding();
byte[] byte_payload = payload;
CryptoKey d = CryptoKey.FromPrivateKey(privateKeyAsPem, passphrase);
OpenSSL.Crypto.RSA rsa = d.GetRSA();
byte[] result = rsa.PrivateDecrypt(byte_payload, OpenSSL.Crypto.RSA.Padding.PKCS1);
rsa.Dispose();
return(encoder.GetString(result));
}
/// <summary>
/// 公钥加密
/// </summary>
public static string PublicEncrypt(string publicKey, string text, Encoding encoding, int padding)
{
byte[] textBytes = encoding.GetBytes(text);
using (BIO bio = new BIO(publicKey))
{
using (OpenSSL.Crypto.RSA rsa = OpenSSL.Crypto.RSA.FromPublicKey(bio))
{
textBytes = rsa.PublicEncrypt(textBytes, (OpenSSL.Crypto.RSA.Padding)padding);
rsa.Dispose();
}
bio.Dispose();
}
return(Convert.ToBase64String(textBytes));
}