public bool VerifyData(byte[] data, byte[] signature)
{
using (RSACryptoServiceProvider rsaCryptoServiceProvider = RSAContainerFactory.CreateFromPublicKey(_publicKey))
{
return(rsaCryptoServiceProvider.VerifyData(data, signature, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1));
}
}
public byte[] SignData(byte[] data)
{
using (RSACryptoServiceProvider rsaCryptoServiceProvider = RSAContainerFactory.CreateFromContainer(_containerName))
{
return(rsaCryptoServiceProvider.SignData(data, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1));
}
}
public byte[] DecryptData(byte[] data)
{
using (RSACryptoServiceProvider rsaCryptoServiceProvider = RSAContainerFactory.CreateFromContainer(_containerName))
{
return(rsaCryptoServiceProvider.Decrypt(data, RSAEncryptionPadding.Pkcs1));
}
}
public string ExportKey(bool includePrivate)
{
using (RSACryptoServiceProvider rsaCryptoServiceProvider = RSAContainerFactory.CreateFromContainer(_containerName))
{
return(rsaCryptoServiceProvider.ToXmlString(includePrivate));
}
}
public RSAEncryption(string containerName, string username)
{
_containerName = containerName;
_username = username;
RSAContainerFactory.Create(containerName, username)
.Dispose();
}
public byte[] EncryptData(byte[] data)
{
if (_publicKey == null)
{
using (RSACryptoServiceProvider rsaCryptoServiceProvider = RSAContainerFactory.Create(_containerName, _username))
{
return(rsaCryptoServiceProvider.Encrypt(data, RSAEncryptionPadding.Pkcs1));
}
}
using (RSACryptoServiceProvider rsaCryptoServiceProvider = RSAContainerFactory.CreateFromPublicKey(_publicKey))
{
return(rsaCryptoServiceProvider.Encrypt(data, RSAEncryptionPadding.Pkcs1));
}
}
