/// <summary>
/// 加密 用的是PEM格式的密钥
/// </summary>
/// <param name="plaintext">要加密的数据</param>
/// <param name="publicPEMKey">PEM格式的公钥</param>
/// <returns></returns>
public static string Encrypt_PEMKey(string plaintext, string publicPEMKey)
{
using (RSACryptoServiceProvider RSA = RSA_PEM.FromPEM(publicPEMKey))
{
return(Encrypt(plaintext, RSA));
}
}
/// <summary>
/// 导出PEM PKCS#8格式密钥对，返回数组第一个是私钥,第二个是公钥.
/// </summary>
/// <param name="size">密钥长度,默认1024,可以为2048</param>
/// <returns></returns>
public static string[] CreateKey_PEM_PKCS8(int size = 1024)
{
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(size);
string privateKey = RSA_PEM.ToPEM(rsa, false, true);
string publicKey = RSA_PEM.ToPEM(rsa, true, true);
return(new string[] { privateKey, publicKey });
}
/// <summary>
/// 解密 用的是PEM格式的密钥
/// </summary>
/// <param name="ciphertext">密文</param>
/// <param name="privatePEMKey">密钥</param>
/// <returns></returns>
public static string Decrypt_PEMKey(string ciphertext, string privatePEMKey)
{
//using (var RSA = new RSACryptoServiceProvider())
using (var RSA = RSA_PEM.FromPEM(privatePEMKey))
{
return(Decrypt(ciphertext, RSA));
}
}
