public void AcceptBlock(ISBlock block)
{
if(HeadBlock == null)
{
HeadBlock = block;
HeadBlock.PreviousBlockHash = null;
}
CurrentBlock = block;
Blocks.Add(block);
}
public GostManager(byte[] key, byte[] iv, byte[] message, CipherTypes cipherType = CipherTypes.Substitution, SBlockTypes sBlockType = SBlockTypes.GOST)
{
released = false;
_subKeys = new List <uint>();
Key = key;
IV = iv;
Message = message;
GenerateSubKeys();
_sBlock = SBlockFactory.SBlock(sBlockType);
_cipher = CipherFactory.Cipher(_iv, _subKeys, cipherType, _sBlock);
}
public void SetBlockHash(ISBlock parent)
{
if (parent != null)
{
PreviousBlockHash = parent.BlockHash;
parent.NextBlock = this;
}
else
{
// Previous block is the genesis block.
PreviousBlockHash = null;
}
BlockHash = CalculateBlockHash(PreviousBlockHash);
}
protected virtual void Dispose(bool disposing)
{
if (!released)
{
if (disposing)
{
_sBlock = null;
_cipher = null;
_iv = null;
_key = null;
_message = null;
_subKeys = null;
}
released = true;
}
}
public SBlock(int blockNumber,
string claimNumber,
decimal settlementAmount,
DateTime settlementDate,
string carRegistration,
int mileage,
ClaimType claimType,
ISBlock parent)
{
BlockNumber = blockNumber;
ClaimNumber = claimNumber;
SettlementAmount = settlementAmount;
SettlementDate = settlementDate;
CarRegistration = carRegistration;
Mileage = mileage;
ClaimType = claimType;
CreatedDate = DateTime.UtcNow;
SetBlockHash(parent);
}
public SubstitutionCipher(ISBlock sBlock)
{
_sBlock = sBlock;
}
public CbfCipher(byte[] iv, ISBlock sblock) : base(sblock)
{
SetIV(iv);
}
public static ICipher Cipher(byte[] iv, List <uint> subKeys, CipherTypes cipher, ISBlock sBlock)
{
return(cipher switch
{
CipherTypes.Substitution => new SubstitutionCipher(sBlock),
CipherTypes.Cfb => new CbfCipher(iv, sBlock),
CipherTypes.Xor => new XorCipher(iv, subKeys, sBlock),
_ => throw new ArgumentException(nameof(cipher)),
});
public MacGenerator(ISBlock sBlock)
{
substitution = new SubstitutionCipher(sBlock);
}
public XorCipher(byte[] iv, List <uint> subKeys, ISBlock sBlock) : base(sBlock)
{
SetIV(iv, subKeys);
}
