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// Copyright 2014 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview SHA-384 cryptographic hash.
*
* Usage:
* var sha384 = new goog.crypt.Sha384();
* sha384.update(bytes);
* var hash = sha384.digest();
*
* @author fy@google.com (Frank Yellin)
*/
goog.provide('goog.crypt.Sha384');
goog.require('goog.crypt.Sha2_64bit');
/**
* Constructs a SHA-384 cryptographic hash.
*
* @constructor
* @extends {goog.crypt.Sha2_64bit}
* @final
* @struct
*/
goog.crypt.Sha384 = function() {
goog.crypt.Sha384.base(
this, 'constructor', 6 /* numHashBlocks */,
goog.crypt.Sha384.INIT_HASH_BLOCK_);
};
goog.inherits(goog.crypt.Sha384, goog.crypt.Sha2_64bit);
/** @private {!Array<number>} */
goog.crypt.Sha384.INIT_HASH_BLOCK_ = [
// Section 5.3.4 of
// csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf
0xcbbb9d5d, 0xc1059ed8, // H0
0x629a292a, 0x367cd507, // H1
0x9159015a, 0x3070dd17, // H2
0x152fecd8, 0xf70e5939, // H3
0x67332667, 0xffc00b31, // H4
0x8eb44a87, 0x68581511, // H5
0xdb0c2e0d, 0x64f98fa7, // H6
0x47b5481d, 0xbefa4fa4 // H7
];
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