public static void Encrypt(Stream input, Stream output, string password, string filename = null, Action <double> progress = null, Func <bool> isCanceled = null)
{
var derivationSettings = PasswordDerivationSettings.Create();
var secretKey = Hasher.CreateAesKeyFromPassword(password, derivationSettings.Salt, derivationSettings.Iterations);
var parameter = new EncryptInternalParameter
{
Filename = filename,
PasswordDerivationSettings = derivationSettings,
EllipticCurveEncryptionInformation = null,
Progress = progress,
IsCanceled = isCanceled,
};
EncryptInternal(input, output, secretKey, parameter);
}
public static void Encrypt(string inputPath, string outputPath, string password, string filename = null, Action <double> progress = null, Func <bool> isCanceled = null)
{
var derivationSettings = PasswordDerivationSettings.Create();
var secretKey = Hasher.CreateAesKeyFromPassword(password, derivationSettings.Salt, derivationSettings.Iterations);
var parameter = new EncryptInternalParameter
{
Filename = filename,
PasswordDerivationSettings = derivationSettings,
EllipticCurveEncryptionInformation = null,
Progress = progress,
IsCanceled = isCanceled,
};
using (var input = File.OpenRead(inputPath))
using (var output = File.Open(outputPath, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite))
{
EncryptInternal(input, output, secretKey, parameter);
}
}
public static void Encrypt(string inputPath, string outputPath, byte[] secret, string filename = null, Action <double> progress = null, Func <bool> isCanceled = null)
{
if (secret.Length < AesKeyLength + HmacKeyLength)
{
throw new Exception($"length of secret must be {AesKeyLength + HmacKeyLength} or more.");
}
var parameter = new EncryptInternalParameter
{
Filename = filename,
PasswordDerivationSettings = null,
EllipticCurveEncryptionInformation = null,
Progress = progress,
IsCanceled = isCanceled,
};
using (var input = File.OpenRead(inputPath))
using (var output = File.Open(outputPath, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite))
{
EncryptInternal(input, output, secret, parameter);
}
}
public static void Encrypt(Stream input, Stream output, byte[] secret, string filename = null, Action <double> progress = null, Func <bool> isCanceled = null)
{
if (secret.Length < AesKeyLength + HmacKeyLength)
{
throw new Exception($"length of secret must be {AesKeyLength + HmacKeyLength} or more.");
}
if (!(output.CanRead && output.CanWrite))
{
throw new Exception("Strean must support read and write operations");
}
var parameter = new EncryptInternalParameter
{
Filename = filename,
PasswordDerivationSettings = null,
EllipticCurveEncryptionInformation = null,
Progress = progress,
IsCanceled = isCanceled,
};
EncryptInternal(input, output, secret, parameter);
}
internal static void EncryptInternal(Stream input, Stream output, byte[] secretKey, EncryptInternalParameter parameter = null)
{
byte[] secretInformationEncryptedData = null;
if (parameter?.Filename != null)
{
var secretInformation = new SecretInformation
{
Filename = parameter.Filename,
};
secretInformationEncryptedData = secretInformation.ToEncyptedData(secretKey);
}
var metaInformation = new MetaInformation
{
PasswordDerivationSettings = parameter?.PasswordDerivationSettings,
SecretInformationEncrypted = secretInformationEncryptedData,
EllipticCurveEncryptionInformation = parameter?.EllipticCurveEncryptionInformation,
};
RawFileAccessor.Init(output);
RawFileAccessor.WriteMeta(output, metaInformation);
RawFileAccessor.SeekToMainData(output);
var result = EncryptRaw(input, output, secretKey, parameter?.Progress, parameter?.IsCanceled);
RawFileAccessor.Write(output, result.iv, RawFileAccessor.Field.InitializationVector);
RawFileAccessor.Write(output, result.hmacHash, RawFileAccessor.Field.Hmac);
output.Dispose();
}
