зеркало из https://github.com/mozilla/pjs.git
138 строки
5.1 KiB
Plaintext
Executable File
138 строки
5.1 KiB
Plaintext
Executable File
/* ***** 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
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* Doug Turner <dougt@meer.net>.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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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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interface nsIInputStream;
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/**
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* nsICryptoHash
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* This interface provides crytographic hashing algorithms.
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*/
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[scriptable, uuid(1e5b7c43-4688-45ce-92e1-77ed931e3bbe)]
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interface nsICryptoHash : nsISupports
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{
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/**
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* Hashing Algorithms. These values are to be used by the
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* |init| method to indicate which hashing function to
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* use. These values map directly onto the values defined
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* in mozilla/security/nss/lib/cryptohi/hasht.h.
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*/
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const short MD2 = 1; /* String value: "md2" */
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const short MD5 = 2; /* String value: "md5" */
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const short SHA1 = 3; /* String value: "sha1" */
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const short SHA256 = 4; /* String value: "sha256" */
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const short SHA384 = 5; /* String value: "sha384" */
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const short SHA512 = 6; /* String value: "sha512" */
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/**
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* Initialize the hashing object. This method may be
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* called multiple times with different algorithm types.
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*
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* @param aAlgorithm the algorithm type to be used.
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* This value must be one of the above valid
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* algorithm types.
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*
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* @throws NS_ERROR_INVALID_ARG if an unsupported algorithm
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* type is passed.
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*
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* NOTE: This method or initWithString must be called
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* before any other method on this interface is called.
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*/
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void init(in unsigned long aAlgorithm);
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/**
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* Initialize the hashing object. This method may be
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* called multiple times with different algorithm types.
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*
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* @param aAlgorithm the algorithm type to be used.
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*
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* @throws NS_ERROR_INVALID_ARG if an unsupported algorithm
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* type is passed.
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*
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* NOTE: This method or init must be called before any
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* other method on this interface is called.
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*/
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void initWithString(in ACString aAlgorithm);
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/**
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* @param aData a buffer to calculate the hash over
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*
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* @param aLen the length of the buffer |aData|
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*
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* @throws NS_ERROR_NOT_INITIALIZED if |init| has not been
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* called.
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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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* Calculates and updates a new hash based on a given data stream.
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*
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* @param aStream an input stream to read from.
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*
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* @param aLen how much to read from the given |aStream|. Passing
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* PR_UINT32_MAX indicates that all data available will be used
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* to update the hash.
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*
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* @throws NS_ERROR_NOT_INITIALIZED if |init| has not been
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* called.
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*
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* @throws NS_ERROR_NOT_AVAILABLE if the requested amount of
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* data to be calculated into the hash is not available.
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*
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*/
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void updateFromStream(in nsIInputStream aStream, in unsigned long aLen);
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/**
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* Completes this hash object and produces the actual hash data.
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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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* @return a hash of the data that was read by this object. This can
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* be either binary data or base 64 encoded.
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*
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* @throws NS_ERROR_NOT_INITIALIZED if |init| has not been
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* called.
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*
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* NOTE: This method may be called any time after |init|
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* is called. This call resets the object to its
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* pre-init state.
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*/
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ACString finish(in PRBool aASCII);
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};
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