public BitString GetMacData(IKeyConfirmationParameters param)
{
var result = _keyConfirmationMacDataCreator.GetMacData(param);
result[0] += 2;
return(result);
}
public KeyConfirmationHmac(
IKeyConfirmationMacDataCreator macDataCreator,
IKeyConfirmationParameters keyConfirmationParameters,
IHmac iHmac)
: base(macDataCreator, keyConfirmationParameters)
{
_iHmac = iHmac;
_keyConfirmationParameters = keyConfirmationParameters;
}
public KeyConfirmationKmac(
IKeyConfirmationMacDataCreator macDataCreator,
IKeyConfirmationParameters keyConfirmationParameters,
IKmacFactory kmacFactory, int capacity) :
base(macDataCreator, keyConfirmationParameters)
{
_kmacFactory = kmacFactory;
_capacity = capacity;
}
public KeyConfirmationAesCcm(
IKeyConfirmationMacDataCreator macDataCreator,
IKeyConfirmationParameters keyConfirmationParameters,
IAeadModeBlockCipher ccm
)
: base(macDataCreator, keyConfirmationParameters)
{
_ccm = ccm;
_keyConfirmationParameters = keyConfirmationParameters;
}
public IKeyConfirmation GetInstance(IKeyConfirmationParameters parameters)
{
switch (parameters.MacType)
{
case KeyAgreementMacType.AesCcm:
ConfirmKeyLengthAesCcm(parameters.KeyLength);
return(new KeyConfirmationAesCcm(
_macDataCreator,
parameters,
new CcmBlockCipher(new AesEngine(), new ModeBlockCipherFactory(), new AES_CCMInternals())));
case KeyAgreementMacType.CmacAes:
var cmacEnum = MapCmacEnum(parameters.KeyLength);
return(new KeyConfirmationCmac(
_macDataCreator, parameters, _cmacFactory.GetCmacInstance(cmacEnum)));
case KeyAgreementMacType.HmacSha1:
case KeyAgreementMacType.HmacSha2D224:
case KeyAgreementMacType.HmacSha2D256:
case KeyAgreementMacType.HmacSha2D384:
case KeyAgreementMacType.HmacSha2D512:
case KeyAgreementMacType.HmacSha2D512_T224:
case KeyAgreementMacType.HmacSha2D512_T256:
case KeyAgreementMacType.HmacSha3D224:
case KeyAgreementMacType.HmacSha3D256:
case KeyAgreementMacType.HmacSha3D384:
case KeyAgreementMacType.HmacSha3D512:
ModeValues modeValue = ModeValues.SHA2;
DigestSizes digestSize = DigestSizes.NONE;
EnumMapping.GetHashFunctionOptions(parameters.MacType, ref modeValue, ref digestSize);
return(new KeyConfirmationHmac(
_macDataCreator, parameters, _hmacFactory.GetHmacInstance(new HashFunction(modeValue, digestSize))));
case KeyAgreementMacType.Kmac_128:
return(new KeyConfirmationKmac(_macDataCreator, parameters, _kmacFactory, 256));
case KeyAgreementMacType.Kmac_256:
return(new KeyConfirmationKmac(_macDataCreator, parameters, _kmacFactory, 512));
default:
throw new ArgumentException($"{GetType().Name}, {nameof(parameters.MacType)}");
}
}
public IKeyConfirmation GetInstance(IKeyConfirmationParameters parameters)
{
var keyConfirmation = _keyConfirmationFactory.GetInstance(parameters);
return(new FakeKeyConfirmation_BadMacData(keyConfirmation));
}
protected KeyConfirmationBase(IKeyConfirmationMacDataCreator macDataCreator, IKeyConfirmationParameters keyConfirmationParameters)
{
_macDataCreator = macDataCreator;
_keyConfirmationParameters = keyConfirmationParameters;
}
public FakeKeyConfirmationBase(IKeyConfirmationMacDataCreator macDataCreator, IKeyConfirmationParameters keyConfirmationParameters)
: base(macDataCreator, keyConfirmationParameters)
{
}
