85 lines
2.2 KiB
TypeScript
85 lines
2.2 KiB
TypeScript
/**
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* @license
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* Copyright 2017 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview SHA-1 cryptographic hash.
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* Variable names follow the notation in FIPS PUB 180-3:
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* http://csrc.nist.gov/publications/fips/fips180-3/fips180-3_final.pdf.
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*
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* Usage:
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* var sha1 = new sha1();
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* sha1.update(bytes);
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* var hash = sha1.digest();
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*
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* Performance:
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* Chrome 23: ~400 Mbit/s
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* Firefox 16: ~250 Mbit/s
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*
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*/
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/**
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* SHA-1 cryptographic hash constructor.
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*
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* The properties declared here are discussed in the above algorithm document.
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* @constructor
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* @final
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* @struct
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*/
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export declare class Sha1 {
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/**
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* Holds the previous values of accumulated variables a-e in the compress_
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* function.
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* @private
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*/
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private chain_;
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/**
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* A buffer holding the partially computed hash result.
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* @private
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*/
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private buf_;
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/**
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* An array of 80 bytes, each a part of the message to be hashed. Referred to
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* as the message schedule in the docs.
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* @private
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*/
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private W_;
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/**
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* Contains data needed to pad messages less than 64 bytes.
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* @private
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*/
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private pad_;
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/**
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* @private {number}
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*/
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private inbuf_;
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/**
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* @private {number}
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*/
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private total_;
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blockSize: number;
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constructor();
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reset(): void;
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/**
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* Internal compress helper function.
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* @param buf Block to compress.
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* @param offset Offset of the block in the buffer.
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* @private
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*/
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compress_(buf: number[] | Uint8Array | string, offset?: number): void;
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update(bytes?: number[] | Uint8Array | string, length?: number): void;
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/** @override */
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digest(): number[];
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}
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