// helper method to reduce the amount of generate code for each cipher algorithm
static internal IntPtr Create(CCOperation operation, CCAlgorithm algorithm, CCOptions options, byte[] key, byte[] iv)
{
if (key == null)
{
throw new CryptographicException("A null key was provided");
}
// unlike the .NET framework CommonCrypto does not support two-keys triple-des (128 bits) ref: #6967
if ((algorithm == CCAlgorithm.TripleDES) && (key.Length == 16))
{
byte[] key3 = new byte [24];
Buffer.BlockCopy(key, 0, key3, 0, 16);
Buffer.BlockCopy(key, 0, key3, 16, 8);
key = key3;
}
IntPtr cryptor = IntPtr.Zero;
CCCryptorStatus status = Cryptor.CCCryptorCreate(operation, algorithm, options, key, (IntPtr)key.Length, iv, ref cryptor);
if (status != CCCryptorStatus.Success)
{
throw new CryptographicUnexpectedOperationException();
}
return(cryptor);
}
// helper method to reduce the amount of generate code for each cipher algorithm
static internal IntPtr Create (CCOperation operation, CCAlgorithm algorithm, CCOptions options, byte[] key, byte[] iv)
{
if (key == null)
throw new CryptographicException ("A null key was provided");
// unlike the .NET framework CommonCrypto does not support two-keys triple-des (128 bits) ref: #6967
if ((algorithm == CCAlgorithm.TripleDES) && (key.Length == 16)) {
byte[] key3 = new byte [24];
Buffer.BlockCopy (key, 0, key3, 0, 16);
Buffer.BlockCopy (key, 0, key3, 16, 8);
key = key3;
}
IntPtr cryptor = IntPtr.Zero;
CCCryptorStatus status = Cryptor.CCCryptorCreate (operation, algorithm, options, key, (IntPtr) key.Length, iv, ref cryptor);
if (status != CCCryptorStatus.Success)
throw new CryptographicUnexpectedOperationException ();
return cryptor;
}
public ATreeLayoutAlgorithm(Digraph <Node, Edge> graph,
Box2F boundingBox)
: base(graph, boundingBox)
{
this.mCCAlg = new CCAlgorithm <Node, Edge>(graph, false, false);
}
public ATreeLayoutAlgorithm(Digraph <Node, Edge> graph,
IClusterNode clusterNode)
: base(graph, clusterNode)
{
this.mCCAlg = new CCAlgorithm <Node, Edge>(graph, false, false);
}
extern internal static CCCryptorStatus CCCryptorCreate (CCOperation op, CCAlgorithm alg, CCOptions options, /* const void* */ byte[] key, /* size_t */ IntPtr keyLength, /* const void* */ byte[] iv, /* CCCryptorRef* */ ref IntPtr cryptorRef);
extern internal static CCCryptorStatus CCCryptorCreate(CCOperation op, CCAlgorithm alg, CCOptions options, /* const void* */ byte[] key, /* size_t */ IntPtr keyLength, /* const void* */ byte[] iv, /* CCCryptorRef* */ ref IntPtr cryptorRef);
