public void CryptoBlob_BasicUsage()
{
try
{
byte[] bytes = new ByteGenerator().GenerateBytes(10);
// Create Credentials
CryptoCredentials credentials = new CryptoCredentials
{
Passphrase = new CryptoString("My Passphrase"),
Pin = 2222
};
// Create the Blob object and assign Encrypt some Bytes
CryptoBlob blob = new CryptoBlob(credentials, bytes);
// Retrieve the Decrypted Bytes
byte[] decryptedBytes = blob.Decrypt();
// Get the Encrypted Data - Perhaps you want to store it in a Database for example
byte[] encryptedBytes = blob.GetEncryptedBytes();
// Set the Encrypted Bytes - Perhaps you pulled them from a Database or in another file
blob.SetEncryptedBytes(encryptedBytes);
// Validates the Checksum of the blob and throws an exception if the Blob fails the integrity check
blob.ValidateChecksum();
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
throw;
}
}
/// <summary>
/// Loads the File from the FileSystem based on the FileName property
/// </summary>
public virtual void Load()
{
byte[] bytes;
if (EncryptFile)
{
CryptoCredentials credentials = GetCredentials();
byte[] encryptedBytes = File.ReadAllBytes(FullFileName);
CryptoBlob blob = new CryptoBlob(credentials);
blob.SetEncryptedBytes(encryptedBytes);
bytes = blob.Decrypt(true);
}
else
{
bytes = File.ReadAllBytes(FullFileName);
}
LoadFromBytes(bytes);
}
public void CryptoBlob_StressTest()
{
int iterations = 200;
int blocksize = 100;
byte[] bytes = new ByteGenerator().GenerateBytes(blocksize);
for (int i = 0; i < iterations; i++)
{
try
{
// Create Credentials
CryptoCredentials credentials = new CryptoCredentials
{
Passphrase = new CryptoString("My Passphrase"),
Pin = 2222
};
// Create the Blob object and assign Encrypt some Bytes
CryptoBlob blob = new CryptoBlob(credentials, bytes);
// Retrieve the Decrypted Bytes
byte[] decryptedBytes = blob.Decrypt();
// Get the Encrypted Data - Perhaps you want to store it in a Database for example
byte[] encryptedBytes = blob.GetEncryptedBytes();
// Set the Encrypted Bytes - Perhaps you pulled them from a Database or in another file
blob.SetEncryptedBytes(encryptedBytes);
// Validates the Checksum of the blob and throws an exception if the Blob fails the integrity check
blob.ValidateChecksum();
Assert.IsTrue(decryptedBytes.SequenceEqual(bytes));
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
throw;
}
}
}
/// <summary>
/// Saves the File to the FileSystem based on the FileName. If the EncryptFile property is set then this file will be encrypted with a checksum at the end.
/// </summary>
public virtual void Save()
{
byte[] bytesToWrite;
if (EncryptFile)
{
byte[] unencryptedBytes = SaveToBytes();
CryptoBlob blob = new CryptoBlob(GetCredentials(), unencryptedBytes);
bytesToWrite = blob.GetEncryptedBytes();
}
else
{
bytesToWrite = SaveToBytes();
}
using (FileStream fileStream = new FileStream(FullFileName, FileMode.Create))
{
fileStream.Write(bytesToWrite, 0, bytesToWrite.Length);
}
}
public void CryptoBlob_AdvancedUsage()
{
try
{
//byte[] bytes = new ByteGenerator().GenerateBytes(10);
byte[] bytes = new byte[] { 0x00, 0x00 };
// Create Credentials
CryptoCredentials credentials = new CryptoCredentials
{
Passphrase = new CryptoString("My Passphrase"),
Pin = 2222
};
CryptoBlob blob = new CryptoBlob(credentials, bytes);
byte[] encryptedBytes = blob.GetEncryptedBytes();
blob.SetEncryptedBytes(encryptedBytes);
byte[] decryptedBytes = blob.Decrypt(true);
CryptoBlob blob2 = new CryptoBlob(credentials, decryptedBytes);
byte[] encryptedBytes2 = blob2.GetEncryptedBytes();
byte[] decryptedBytes2 = blob.Decrypt(true);
bool diff = encryptedBytes.SequenceEqual(encryptedBytes2);
//byte[] decryptedBytes = blob.Decrypt();
//byte[] encryptedBytes = blob.GetEncryptedBytes();
//blob.SetEncryptedBytes(encryptedBytes);
// Validates the Checksum of the blob and throws an exception if the Blob fails the integrity check
blob.ValidateChecksum();
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
throw;
}
}
