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94 lines
3.2 KiB
Plaintext
94 lines
3.2 KiB
Plaintext
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Google Inc.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Tony Chang <tc@google.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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#include "nsIKeyModule.idl"
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interface nsIInputStream;
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/**
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* Stream cipher interface. We're basically copying the interface from
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* nsICryptoHash interface.
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*/
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[scriptable, uuid(1d507cd6-1630-4710-af1b-4012dbcc514c)]
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interface nsIStreamCipher : nsISupports
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{
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/**
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* Initialize a stream cipher.
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* @param aKey nsIKeyObject
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*/
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void init(in nsIKeyObject aKey);
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/**
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* Initialize a stream cipher with an initialization vector.
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* @param aKey nsIKeyObject
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* @param aIV the initialization vector
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* @param aIVLen the length of the initialization vector
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*/
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void initWithIV(in nsIKeyObject aKey,
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[const, array, size_is(aIVLen)] in octet aIV,
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in unsigned long aIVLen);
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/**
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* Update from an array of bytes.
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*/
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void update([const, array, size_is(aLen)] in octet aData, in unsigned long aLen);
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/**
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* Update from a stream.
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*/
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void updateFromStream(in nsIInputStream aStream, in long aLen);
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/**
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* A more script friendly method (not in nsICryptoHash interface).
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*/
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void updateFromString(in ACString aInput);
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/**
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* @param aASCII if true then the returned value is a base-64
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* encoded string. if false, then the returned value is
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* binary data.
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*/
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ACString finish(in PRBool aASCII);
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/**
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* Discard aLen bytes of the keystream.
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* These days 1536 is considered a decent amount to drop to get
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* the key state warmed-up enough for secure usage.
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*/
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void discard(in long aLen);
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};
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