public byte[] Decrypt(SymmetricEncryptionParameters parameters, byte[] inData)
{
using (MemoryStream inDataStream = new MemoryStream(inData), outDataStream = new MemoryStream())
{
this.Decrypt(parameters, inDataStream, outDataStream);
return(outDataStream.ToArray());
}
}
public void Decrypt(SymmetricEncryptionParameters parameters, Stream inStream, Stream outStream)
{
using (var algorithm = AlgorithmMap[parameters.Algorithm]())
{
var iv = ExtractIv(inStream, algorithm.IV.Length);
using (var cryptor = algorithm.CreateDecryptor(parameters.Key, iv))
using (var cryptoStream = new CryptoStream(outStream, cryptor, CryptoStreamMode.Write))
inStream.CopyTo(cryptoStream);
}
}
internal FileEncryptor(
ISymmetricEncryptor symmetricEncryptor,
IEncryptionKeyGenerator encryptionKeyGenerator,
IConfigurationProvider configurationProvider,
IFileNameManager fileNameManager,
EncryptionKeyInput encryptionKeyInput,
string vaultName)
{
var key = encryptionKeyGenerator.Generate(encryptionKeyInput);
this.parameters = new SymmetricEncryptionParameters
{
Algorithm = AlgorithmType.Aes,
Mode = CipherMode.CBC,
Padding = PaddingMode.PKCS7,
Key = key
};
this.symmetricEncryptor = symmetricEncryptor;
this.configurationProvider = configurationProvider;
this.fileNameManager = fileNameManager;
this.vaultName = vaultName;
}