public byte[] EncryptRSA(byte[] data, RSA publicKey)
{
var cipher = CipherUtilities.GetCipher(RSA_CRYPTO_CIPHER);
cipher.Init(true, BouncyCastleUtilities.GetRsaPublicKey(publicKey));
cipher.ProcessBytes(data);
return(cipher.DoFinal());
}
public string GeneratePublicKeyFingerprintFromPrivateKey(RSA privateKey)
{
if (privateKey == null)
{
throw new ArgumentNullException(nameof(privateKey));
}
var keyInfo = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(BouncyCastleUtilities.GetRsaPublicKey(privateKey));
var keyBytes = keyInfo.ToAsn1Object().GetDerEncoded();
var hash = DoHash(keyBytes, new MD5Digest());
var hashString = ByteArrayUtils.ByteArrayToHexString(hash, ":");
return(hashString);
}