// получить ключи с помощью бекдора
public void ExtractKeysFromBackdoor(RsaKeyParameters _key)
{
//RsaKeyParameters _key = new RsaKeyParameters(false, N, e);
byte[] payload = RsaBackdoor.ExtractPayload(_key);
var restoredKey = RsaBackdoor.BuildKeyFromPayload(payload);
e = ((RsaKeyParameters)restoredKey.Public).Exponent;
N = ((RsaKeyParameters)restoredKey.Public).Modulus;
p = ((RsaPrivateCrtKeyParameters)restoredKey.Private).P;
q = ((RsaPrivateCrtKeyParameters)restoredKey.Private).Q;
dp = ((RsaPrivateCrtKeyParameters)restoredKey.Private).DP;
dq = ((RsaPrivateCrtKeyParameters)restoredKey.Private).DQ;
qinv = ((RsaPrivateCrtKeyParameters)restoredKey.Private).QInv;
}
// внедрить бекдор
public void InsertBackdoor()
{
byte[] seed, payload;
RsaBackdoor.MakeSeedAndPayload(out seed, out payload);
var randomKeyPair = RsaBackdoor.BuildKey(seed, payload);
key = randomKeyPair;
e = ((RsaKeyParameters)randomKeyPair.Public).Exponent;
N = ((RsaKeyParameters)randomKeyPair.Public).Modulus;
p = ((RsaPrivateCrtKeyParameters)randomKeyPair.Private).P;
q = ((RsaPrivateCrtKeyParameters)randomKeyPair.Private).Q;
dp = ((RsaPrivateCrtKeyParameters)randomKeyPair.Private).DP;
dq = ((RsaPrivateCrtKeyParameters)randomKeyPair.Private).DQ;
qinv = ((RsaPrivateCrtKeyParameters)randomKeyPair.Private).QInv;
}
