/// <summary>
/// Constructs Kas parameter information
/// </summary>
/// <param name="keyAgreementRole">This party's key agreement role</param>
/// <param name="kasMode">The mode of the KAS attempt</param>
/// <param name="keyConfirmationRole">This party's key confirmation role</param>
/// <param name="keyConfirmationDirection">This party's key confirmation direction</param>
/// <param name="kasAssurances">The assurances associated with the KAS</param>
/// <param name="thisPartyId">The ID associated with this party</param>
protected SchemeParametersBase(
TKasAlgoAttributes kasAlgoAttributes,
KeyAgreementRole keyAgreementRole,
KasMode kasMode,
KeyConfirmationRole keyConfirmationRole,
KeyConfirmationDirection keyConfirmationDirection,
KasAssurance kasAssurances,
BitString thisPartyId
)
{
if (kasMode != KasMode.NoKdfNoKc && BitString.IsZeroLengthOrNull(thisPartyId))
{
throw new ArgumentException(nameof(thisPartyId));
}
if (kasMode == KasMode.KdfKc)
{
if (keyConfirmationRole == KeyConfirmationRole.None ||
keyConfirmationDirection == KeyConfirmationDirection.None)
{
throw new ArgumentException(
$"{nameof(KasMode.KdfKc)} requires a valid (not None) value for both {nameof(keyConfirmationRole)} and {nameof(keyConfirmationDirection)}");
}
}
KasAlgoAttributes = kasAlgoAttributes;
KeyAgreementRole = keyAgreementRole;
KasMode = kasMode;
KeyConfirmationRole = keyConfirmationRole;
KeyConfirmationDirection = keyConfirmationDirection;
KasAssurances = kasAssurances;
ThisPartyId = thisPartyId;
}
public NoKeyConfirmationAesCcm(INoKeyConfirmationMacDataCreator macDataCreator,
INoKeyConfirmationParameters noKeyConfirmationParameters,
IAeadModeBlockCipher algo)
: base(macDataCreator, noKeyConfirmationParameters)
{
_algo = algo;
if (BitString.IsZeroLengthOrNull(noKeyConfirmationParameters.CcmNonce))
{
throw new ArgumentException(nameof(noKeyConfirmationParameters.CcmNonce));
}
}
protected NoKeyConfirmationBase(
INoKeyConfirmationMacDataCreator macDataCreator,
INoKeyConfirmationParameters noKeyConfirmationParameters)
{
_macDataCreator = macDataCreator;
NoKeyConfirmationParameters = noKeyConfirmationParameters;
if (BitString.IsZeroLengthOrNull(NoKeyConfirmationParameters.DerivedKeyingMaterial))
{
throw new ArgumentException(nameof(NoKeyConfirmationParameters.DerivedKeyingMaterial));
}
if (BitString.IsZeroLengthOrNull(NoKeyConfirmationParameters.Nonce))
{
throw new ArgumentException(nameof(NoKeyConfirmationParameters.Nonce));
}
}
/// <summary>
/// Constructor used for AES-CCM NoKeyConfirmation
/// </summary>
/// <param name="keyAgreementMacType">The MAC type used</param>
/// <param name="derivedKeyingMaterial">The keying material used as the MAC key</param>
/// <param name="macLength">The returned MAC length</param>
/// <param name="nonce">The nonce used (concatenated onto "Standard Test Message")</param>
/// <param name="ccmNonce">The Nonce used in AES-CCM</param>
public NoKeyConfirmationParameters(KeyAgreementMacType keyAgreementMacType, int macLength, BitString derivedKeyingMaterial, BitString nonce, BitString ccmNonce)
{
if (keyAgreementMacType != KeyAgreementMacType.AesCcm)
{
throw new ArgumentException(nameof(keyAgreementMacType));
}
if (BitString.IsZeroLengthOrNull(ccmNonce))
{
throw new ArgumentException(nameof(ccmNonce));
}
KeyAgreementMacType = keyAgreementMacType;
MacLength = macLength;
DerivedKeyingMaterial = derivedKeyingMaterial;
Nonce = nonce;
CcmNonce = ccmNonce;
}
/// <summary>
/// AES-CCM constructor
/// </summary>
/// <param name="thisPartyKeyAgreementRole"></param>
/// <param name="thisPartyKeyConfirmationRole"></param>
/// <param name="keyConfirmationType"></param>
/// <param name="macType"></param>
/// <param name="keyLength"></param>
/// <param name="macLength"></param>
/// <param name="thisPartyIdentifier"></param>
/// <param name="otherPartyIdentifier"></param>
/// <param name="thisPartyPublicKey"></param>
/// <param name="otherPartyPublicKey"></param>
/// <param name="derivedKeyingMaterial"></param>
/// <param name="ccmNonce"></param>
public KeyConfirmationParameters(
KeyAgreementRole thisPartyKeyAgreementRole,
KeyConfirmationRole thisPartyKeyConfirmationRole,
KeyConfirmationDirection keyConfirmationType,
KeyAgreementMacType macType,
int keyLength,
int macLength,
BitString thisPartyIdentifier,
BitString otherPartyIdentifier,
BitString thisPartyPublicKey,
BitString otherPartyPublicKey,
BitString derivedKeyingMaterial,
BitString ccmNonce)
{
if (macType != KeyAgreementMacType.AesCcm)
{
throw new ArgumentException(nameof(macType));
}
if (BitString.IsZeroLengthOrNull(ccmNonce))
{
throw new ArgumentException(nameof(ccmNonce));
}
ThisPartyKeyAgreementRole = thisPartyKeyAgreementRole;
ThisPartyKeyConfirmationRole = thisPartyKeyConfirmationRole;
KeyConfirmationType = keyConfirmationType;
MacType = macType;
KeyLength = keyLength;
MacLength = macLength;
ThisPartyIdentifier = thisPartyIdentifier;
OtherPartyIdentifier = otherPartyIdentifier;
ThisPartyPublicKey = thisPartyPublicKey;
OtherPartyPublicKey = otherPartyPublicKey;
DerivedKeyingMaterial = derivedKeyingMaterial;
KeyConfirmationType = keyConfirmationType;
CcmNonce = ccmNonce;
}
