public static Encryptor CreateEncryptorWithGivenSalt(
[NotNull] this SymmetricAlgorithm algorithm,
[NotNull] string secretKey,
[NotNull] string salt,
ByteArrayStringEncoding saltEncoding = ConvertByteArray.DefaultStringEncoding,
EncryptionOptions options = DefaultOptions)
{
Contract.Requires <ArgumentNullException>(algorithm != null);
Contract.Requires <ArgumentNullException>(secretKey != null);
Contract.Requires <ArgumentNullException>(salt != null);
return(algorithm.CreateEncryptorWithGivenSalt(secretKey, salt.ToByteArray(saltEncoding), options));
}
public static Encryptor CreateEncryptorWithGivenSalt(
[NotNull] this SymmetricAlgorithm algorithm,
[NotNull] string secretKey,
[NotNull] byte[] salt,
EncryptionOptions options = DefaultOptions)
{
Contract.Requires <ArgumentNullException>(algorithm != null);
Contract.Requires <ArgumentNullException>(secretKey != null);
Contract.Requires <ArgumentNullException>(salt != null);
return(algorithm.CreateEncryptorWithGivenSalt(
DeriveEncryptionKeyFromPasswordAndSalt(secretKey, algorithm.KeySize, salt),
salt,
options));
}
public static EncryptorWithChecksum CreateEncryptorWithGivenSalt(
[NotNull] this SymmetricAlgorithm algorithm,
[NotNull] KeyedHashAlgorithm checksumHasher,
[NotNull] string password,
[NotNull] string salt,
ByteArrayStringEncoding saltEncoding = ConvertByteArray.DefaultStringEncoding,
EncryptionOptions options = DefaultOptions)
{
Contract.Requires <ArgumentNullException>(algorithm != null);
Contract.Requires <ArgumentNullException>(checksumHasher != null);
Contract.Requires <ArgumentNullException>(password != null);
Contract.Requires <ArgumentNullException>(salt != null);
return(algorithm.CreateEncryptorWithGivenSalt(
checksumHasher, password, salt.ToByteArray(saltEncoding), options));
}
public static Encryptor CreateEncryptor(
[NotNull] this SymmetricAlgorithm algorithm,
[NotNull] string secretKey,
out byte[] randomSalt,
EncryptionOptions options = DefaultOptions)
{
Contract.Requires <ArgumentNullException>(algorithm != null);
Contract.Requires <ArgumentNullException>(secretKey != null);
// In this case, use the more robustly random
// key derivation algorithm to create the salt,
// instead of the SymmetricAlgorithm.
return(algorithm.CreateEncryptorWithGivenSalt(
DeriveEncryptionKeyAndSaltFromPassword(secretKey, algorithm.KeySize, algorithm.BlockSize, out randomSalt),
randomSalt,
options));
}
public static EncryptorWithChecksum CreateEncryptorWithGivenSalt(
[NotNull] this SymmetricAlgorithm algorithm,
[NotNull] KeyedHashAlgorithm checksumHasher,
[NotNull] string password,
[NotNull] byte[] salt,
EncryptionOptions options = DefaultOptions)
{
Contract.Requires <ArgumentNullException>(algorithm != null);
Contract.Requires <ArgumentNullException>(checksumHasher != null);
Contract.Requires <ArgumentNullException>(password != null);
Contract.Requires <ArgumentNullException>(salt != null);
return(algorithm.CreateEncryptorWithGivenSalt(
checksumHasher,
DeriveEncryptionKeyFromPasswordAndSalt(password, algorithm.KeySize, salt),
salt,
options));
}
