Description
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57 lines
1.1 KiB

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