public byte[] Generate(EncryptionKeyInput input)
{
var seed = $"{input.FullName}|{input.DateOfBirth}|{input.SocialSecurityNumber}|{input.PassPhrase}";
var seedBinary = Encoding.ASCII.GetBytes(seed);
using (var sha1 = SHA256.Create())
return(sha1.ComputeHash(seedBinary));
}
/// <summary>
/// Creates an IFileEncryptor based on the given encryption key input structure.
/// </summary>
/// <param name="encryptionKeyInput">Encryption key input structure.</param>
/// <param name="vaultName">Vault name.</param>
/// <returns>IFileEncryptor instance.</returns>
public static IFileEncryptor CreateFileEncryptor(
EncryptionKeyInput encryptionKeyInput, string vaultName)
{
return(new FileEncryptor(
AppContainer.SymmetricEncryptor,
AppContainer.EncryptionKeyGenerator,
AppContainer.ConfigurationProvider,
AppContainer.FileNameManager,
encryptionKeyInput,
vaultName));
}
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;
}
