public virtual void Init(IDerivationParameters param) { DHKdfParameters dHKdfParameters = (DHKdfParameters)param; this.algorithm = dHKdfParameters.Algorithm; this.keySize = dHKdfParameters.KeySize; this.z = dHKdfParameters.GetZ(); }
public virtual void Init(IDerivationParameters param) { DHKdfParameters parameters = (DHKdfParameters)param; this.algorithm = parameters.Algorithm; this.keySize = parameters.KeySize; this.z = parameters.GetZ(); // TODO Clone? this.partyAInfo = parameters.GetExtraInfo(); // TODO Clone? }
public void Init( IDerivationParameters param) { DHKdfParameters parameters = (DHKdfParameters)param; this.algorithm = parameters.Algorithm; this.keySize = parameters.KeySize; this.z = parameters.GetZ(); // TODO Clone? }
public virtual void Init(IDerivationParameters param) { DHKdfParameters dHKdfParameters = (DHKdfParameters)param; algorithm = dHKdfParameters.Algorithm; keySize = dHKdfParameters.KeySize; z = dHKdfParameters.GetZ(); partyAInfo = dHKdfParameters.GetExtraInfo(); }
public override BigInteger CalculateAgreement( ICipherParameters pubKey) { BigInteger result = base.CalculateAgreement(pubKey); int keySize = (int) algorithms[algorithm]; DHKdfParameters dhKdfParams = new DHKdfParameters( new DerObjectIdentifier(algorithm), keySize, result.ToByteArrayUnsigned()); kdf.Init(dhKdfParams); byte[] keyBytes = new byte[keySize / 8]; kdf.GenerateBytes(keyBytes, 0, keyBytes.Length); return new BigInteger(1, keyBytes); }
public override IBigInteger CalculateAgreement(ICipherParameters pubKey) { // Note that the ec.KeyAgreement class in JCE only uses kdf in one // of the engineGenerateSecret methods. var result = base.CalculateAgreement(pubKey); var keySize = GeneratorUtilities.GetDefaultKeySize(_algorithm); var dhKdfParams = new DHKdfParameters( new DerObjectIdentifier(_algorithm), keySize, BigIntToBytes(result)); _kdf.Init(dhKdfParams); var keyBytes = new byte[keySize / 8]; _kdf.GenerateBytes(keyBytes, 0, keyBytes.Length); return new BigInteger(1, keyBytes); }