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Added AESMetadata.WriteMetadata()

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This commit is contained in:
h5p9sl 2018-12-05 18:30:35 -07:00
parent c155dc6d9c
commit 9841a0f16e
1 changed files with 10 additions and 5 deletions
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15
Crypto Notepad/AES.cs
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@ -53,6 +53,15 @@ private bool ReadData(byte[] rawData, int offset, ref byte[] dataOut)
return false;
}
public static void WriteMetadata(MemoryStream stream, byte[] IV, byte[] salt)
{
byte[] nullByte = { 0 };
stream.Write(IV, 0, IV.Length);
stream.Write(nullByte, 0, 1);
stream.Write(salt, 0, salt.Length);
stream.Write(nullByte, 0, 1);
}
public bool GetMetadata(byte[] rawData)
{
int offset = 0;
@ -114,11 +123,7 @@ public static string Encrypt(string plainText, string password,
using (MemoryStream memStream = new MemoryStream())
{
byte[] nullByte = { 0 };
memStream.Write(symmetricKey.IV, 0, symmetricKey.IV.Length);
memStream.Write(nullByte, 0, 1);
memStream.Write(saltValueBytes, 0, saltValueBytes.Length);
memStream.Write(nullByte, 0, 1);
AESMetadata.WriteMetadata(memStream, symmetricKey.IV, saltValueBytes);
using (ICryptoTransform encryptor = symmetricKey.CreateEncryptor
(keyBytes, symmetricKey.IV))