[Pkg-javascript-commits] [node-sha.js] 164/237: sha224 and 384

[Bastien Roucariès]

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rouca pushed a commit to branch master
in repository node-sha.js.

commit 56694e5db70844f11a6a4082a549339d3b24ea95
Author: Calvin Metcalf <cmetcalf at appgeo.com>
Date:   Mon Nov 17 14:34:18 2014 -0500

    sha224 and 384
---
 index.js        |  2 ++
 sha224.js       | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 sha384.js       | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 test/vectors.js |  2 ++
 4 files changed, 126 insertions(+)

diff --git a/index.js b/index.js
index c947f3e..6a094af 100644
--- a/index.js
+++ b/index.js
@@ -8,5 +8,7 @@ var Buffer = require('buffer').Buffer
 var Hash   = require('./hash')(Buffer)
 
 exports.sha1 = require('./sha1')(Buffer, Hash)
+exports.sha224 = require('./sha224')(Buffer, Hash)
 exports.sha256 = require('./sha256')(Buffer, Hash)
+exports.sha384 = require('./sha384')(Buffer, Hash)
 exports.sha512 = require('./sha512')(Buffer, Hash)
diff --git a/sha224.js b/sha224.js
new file mode 100644
index 0000000..f7f3c56
--- /dev/null
+++ b/sha224.js
@@ -0,0 +1,59 @@
+
+/**
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
+ * in FIPS 180-2
+ * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ *
+ */
+
+var inherits = require('util').inherits
+var SHA256 = require('./sha256')
+module.exports = function (Buffer, Hash) {
+
+  var W = new Array(64)
+
+  function Sha224() {
+    this.init()
+
+    this._w = W //new Array(64)
+
+    Hash.call(this, 16*4, 14*4)
+  }
+
+  inherits(Sha224, SHA256(Buffer, Hash))
+
+  Sha224.prototype.init = function () {
+
+    this._a = 0xc1059ed8|0
+    this._b = 0x367cd507|0
+    this._c = 0x3070dd17|0
+    this._d = 0xf70e5939|0
+    this._e = 0xffc00b31|0
+    this._f = 0x68581511|0
+    this._g = 0x64f98fa7|0
+    this._h = 0xbefa4fa4|0
+
+    this._len = this._s = 0
+
+    return this
+  }
+
+
+  Sha224.prototype._hash = function () {
+    var H = new Buffer(28)
+
+    H.writeInt32BE(this._a,  0)
+    H.writeInt32BE(this._b,  4)
+    H.writeInt32BE(this._c,  8)
+    H.writeInt32BE(this._d, 12)
+    H.writeInt32BE(this._e, 16)
+    H.writeInt32BE(this._f, 20)
+    H.writeInt32BE(this._g, 24)
+
+    return H
+  }
+
+  return Sha224
+
+}
diff --git a/sha384.js b/sha384.js
new file mode 100644
index 0000000..6f6e65e
--- /dev/null
+++ b/sha384.js
@@ -0,0 +1,63 @@
+var inherits = require('util').inherits
+var SHA512 = require('./sha512');
+module.exports = function (Buffer, Hash) {
+
+  var W = new Array(160)
+
+  function Sha384() {
+    this.init()
+    this._w = W
+
+    Hash.call(this, 128, 112)
+  }
+
+  inherits(Sha384, SHA512(Buffer, Hash))
+
+  Sha384.prototype.init = function () {
+
+    this._a = 0xcbbb9d5d|0
+    this._b = 0x629a292a|0
+    this._c = 0x9159015a|0
+    this._d = 0x152fecd8|0
+    this._e = 0x67332667|0
+    this._f = 0x8eb44a87|0
+    this._g = 0xdb0c2e0d|0
+    this._h = 0x47b5481d|0
+
+    this._al = 0xc1059ed8|0
+    this._bl = 0x367cd507|0
+    this._cl = 0x3070dd17|0
+    this._dl = 0xf70e5939|0
+    this._el = 0xffc00b31|0
+    this._fl = 0x68581511|0
+    this._gl = 0x64f98fa7|0
+    this._hl = 0xbefa4fa4|0
+
+    this._len = this._s = 0
+
+    return this
+  }
+
+
+
+  Sha384.prototype._hash = function () {
+    var H = new Buffer(48)
+
+    function writeInt64BE(h, l, offset) {
+      H.writeInt32BE(h, offset)
+      H.writeInt32BE(l, offset + 4)
+    }
+
+    writeInt64BE(this._a, this._al, 0)
+    writeInt64BE(this._b, this._bl, 8)
+    writeInt64BE(this._c, this._cl, 16)
+    writeInt64BE(this._d, this._dl, 24)
+    writeInt64BE(this._e, this._el, 32)
+    writeInt64BE(this._f, this._fl, 40)
+
+    return H
+  }
+
+  return Sha384
+
+}
diff --git a/test/vectors.js b/test/vectors.js
index 248e5b9..b718eb6 100644
--- a/test/vectors.js
+++ b/test/vectors.js
@@ -66,7 +66,9 @@ if(process.argv[2])
 else
   vectors.forEach(function (v, i) {
     makeTest('sha1', i)
+    makeTest('sha224', i)
     makeTest('sha256', i)
+    makeTest('sha384', i)
     makeTest('sha512', i)
   })
 

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