/// <summary>
/// Initializes a new instance of the CkSsl3KeyMatParams class.
/// </summary>
/// <param name='macSizeInBits'>The length (in bits) of the MACing keys agreed upon during the protocol handshake phase</param>
/// <param name='keySizeInBits'>The length (in bits) of the secret keys agreed upon during the protocol handshake phase</param>
/// <param name='ivSizeInBits'>The length (in bits) of the IV agreed upon during the protocol handshake phase or if no IV is required, the length should be set to 0</param>
/// <param name='isExport'>Flag indicating whether the keys have to be derived for an export version of the protocol</param>
/// <param name='randomInfo'>Client's and server's random data information</param>
public CkSsl3KeyMatParams(uint macSizeInBits, uint keySizeInBits, uint ivSizeInBits, bool isExport, CkSsl3RandomData randomInfo)
{
if (randomInfo == null)
{
throw new ArgumentNullException("randomInfo");
}
// Keep reference to randomInfo so GC will not free it while this object exists
_randomInfo = randomInfo;
if (ivSizeInBits % 8 != 0)
{
throw new ArgumentException("Value has to be a multiple of 8", "ivSizeInBits");
}
// GC will not free ReturnedKeyMaterial while this object exists
_returnedKeyMaterial = new CkSsl3KeyMatOut(ivSizeInBits / 8);
_lowLevelStruct.MacSizeInBits = macSizeInBits;
_lowLevelStruct.KeySizeInBits = keySizeInBits;
_lowLevelStruct.IVSizeInBits = ivSizeInBits;
_lowLevelStruct.IsExport = isExport;
_lowLevelStruct.RandomInfo = (CK_SSL3_RANDOM_DATA)_randomInfo.ToLowLevelParams();
// Abrakadabra :)
_lowLevelStruct.ReturnedKeyMaterial = UnmanagedMemory.Allocate(UnmanagedMemory.SizeOf(typeof(CK_SSL3_KEY_MAT_OUT)));
UnmanagedMemory.Write(_lowLevelStruct.ReturnedKeyMaterial, _returnedKeyMaterial._lowLevelStruct);
}
/// <summary>
/// Initializes a new instance of the CkSsl3MasterKeyDeriveParams class.
/// </summary>
/// <param name='randomInfo'>Client's and server's random data information</param>
/// <param name='dh'>Set to false for CKM_SSL3_MASTER_KEY_DERIVE mechanism and to true for CKM_SSL3_MASTER_KEY_DERIVE_DH mechanism</param>
public CkSsl3MasterKeyDeriveParams(CkSsl3RandomData randomInfo, bool dh)
{
if (randomInfo == null)
{
throw new ArgumentNullException("randomInfo");
}
// Keep reference to randomInfo so GC will not free it while this object exists
_randomInfo = randomInfo;
_lowLevelStruct.RandomInfo = (CK_SSL3_RANDOM_DATA)_randomInfo.ToLowLevelParams();
_lowLevelStruct.Version = (dh) ? IntPtr.Zero : UnmanagedMemory.Allocate(UnmanagedMemory.SizeOf(typeof(CK_VERSION)));
}
