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57 lines
1.1 KiB
57 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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