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58 lines
1.1 KiB
58 lines
1.1 KiB
var inherits = require('inherits')
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var SHA512 = require('./sha512')
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var Hash = require('./hash')
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var Buffer = require('safe-buffer').Buffer
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var W = new Array(160)
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function Sha384 () {
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this.init()
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this._w = W
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Hash.call(this, 128, 112)
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}
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inherits(Sha384, SHA512)
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Sha384.prototype.init = function () {
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this._ah = 0xcbbb9d5d
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this._bh = 0x629a292a
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this._ch = 0x9159015a
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this._dh = 0x152fecd8
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this._eh = 0x67332667
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this._fh = 0x8eb44a87
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this._gh = 0xdb0c2e0d
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this._hh = 0x47b5481d
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this._al = 0xc1059ed8
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this._bl = 0x367cd507
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this._cl = 0x3070dd17
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this._dl = 0xf70e5939
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this._el = 0xffc00b31
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this._fl = 0x68581511
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this._gl = 0x64f98fa7
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this._hl = 0xbefa4fa4
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return this
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}
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Sha384.prototype._hash = function () {
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var H = Buffer.allocUnsafe(48)
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function writeInt64BE (h, l, offset) {
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H.writeInt32BE(h, offset)
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H.writeInt32BE(l, offset + 4)
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}
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writeInt64BE(this._ah, this._al, 0)
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writeInt64BE(this._bh, this._bl, 8)
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writeInt64BE(this._ch, this._cl, 16)
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writeInt64BE(this._dh, this._dl, 24)
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writeInt64BE(this._eh, this._el, 32)
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writeInt64BE(this._fh, this._fl, 40)
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return H
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}
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module.exports = Sha384
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