DecryptHash() public method

Decrypts the hash. don't forget to run ClearHash afterwards
public DecryptHash ( ) : void
return void
ProtectedPasswordStorage Class Documentation
Beispiel #1
0
        public void TakeOwnership(ProtectedPasswordStorage ownerSecret, ProtectedPasswordStorage srkSecret)
        {
            _tpmSession.SetValue ("secret_" + TPMSession.PARAM_AUTH_OWNER, ownerSecret);
            _tpmSession.SetValue ("secret_" + TPMSession.PARAM_AUTH_SRK, srkSecret);

            IAsymmetricBlockCipher ekEncryptor = _tpmSession.EndorsementKeyHandling.PublicKey.CreateRSAEncrypter ();

            ownerSecret.DecryptHash ();
            byte[] encOwnerSecret = ekEncryptor.ProcessBlock (ownerSecret.HashValue, 0,  ownerSecret.HashValue.Length);
            ownerSecret.ClearHash ();

            srkSecret.DecryptHash ();
            byte[] encSrkSecret = ekEncryptor.ProcessBlock (srkSecret.HashValue, 0, srkSecret.HashValue.Length);
            srkSecret.ClearHash ();

            Parameters parameters = new Parameters ();
            parameters.AddPrimitiveType (PARAM_OWNERAUTH, encOwnerSecret);
            parameters.AddPrimitiveType (PARAM_SRKAUTH, encSrkSecret);

            /*TPMCommandResponse response = */BuildDoVerifyRequest (TPMCommandNames.TPM_CMD_TakeOwnership, parameters);
        }
Beispiel #2
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 public HMACProvider(ProtectedPasswordStorage key)
     : base("HMACSHA1")
 {
     key.DecryptHash();
     HMACAlgorithm.Key = key.HashValue;
 }
Beispiel #3
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 public HMACProvider(ProtectedPasswordStorage key)
     : base("HMACSHA1")
 {
     key.DecryptHash();
     HMACAlgorithm.Key = key.HashValue;
 }