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// Copyright 2014 The Closure Library Authors. All Rights Reserved.
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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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 * @fileoverview SHA-384  cryptographic hash.
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 *
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 * Usage:
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 *   var sha384 = new goog.crypt.Sha384();
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 *   sha384.update(bytes);
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 *   var hash = sha384.digest();
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 *
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 * @author [email protected] (Frank Yellin)
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 */
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goog.provide('goog.crypt.Sha384');
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goog.require('goog.crypt.Sha2_64bit');
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/**
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 * Constructs a SHA-384 cryptographic hash.
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 *
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 * @constructor
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 * @extends {goog.crypt.Sha2_64bit}
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 * @final
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 * @struct
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 */
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goog.crypt.Sha384 = function() {
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  goog.crypt.Sha384.base(
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      this, 'constructor', 6 /* numHashBlocks */,
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      goog.crypt.Sha384.INIT_HASH_BLOCK_);
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};
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goog.inherits(goog.crypt.Sha384, goog.crypt.Sha2_64bit);
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/** @private {!Array<number>} */
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goog.crypt.Sha384.INIT_HASH_BLOCK_ = [
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  // Section 5.3.4 of
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  // csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf
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  0xcbbb9d5d, 0xc1059ed8,  // H0
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  0x629a292a, 0x367cd507,  // H1
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  0x9159015a, 0x3070dd17,  // H2
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  0x152fecd8, 0xf70e5939,  // H3
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  0x67332667, 0xffc00b31,  // H4
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  0x8eb44a87, 0x68581511,  // H5
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  0xdb0c2e0d, 0x64f98fa7,  // H6
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  0x47b5481d, 0xbefa4fa4   // H7
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];
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