[Pkg-javascript-commits] [node-ripemd160] 43/71: standard
Bastien Roucariès
rouca at moszumanska.debian.org
Thu May 4 10:25:40 UTC 2017
This is an automated email from the git hooks/post-receive script.
rouca pushed a commit to branch master
in repository node-ripemd160.
commit 6a6f401bf855ac83f7237e7e2d0f43a201cda9b2
Author: JP Richardson <jprichardson at gmail.com>
Date: Tue May 5 07:18:37 2015 -0500
standard
---
lib/ripemd160.js | 166 +++++++++++++++++++++++++------------------------
test/ripemd160.test.js | 22 +++----
2 files changed, 96 insertions(+), 92 deletions(-)
diff --git a/lib/ripemd160.js b/lib/ripemd160.js
index 2e15af2..a96ac5b 100644
--- a/lib/ripemd160.js
+++ b/lib/ripemd160.js
@@ -17,38 +17,41 @@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// constants table
var zl = [
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
- 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
- 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
- 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13]
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
+ 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
+ 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
+ 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
+]
var zr = [
- 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
- 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
- 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
- 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
- 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11]
+ 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
+ 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
+ 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
+ 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
+ 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
+]
var sl = [
- 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
- 7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
- 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
- 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
- 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6 ]
+ 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
+ 7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
+ 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
+ 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
+ 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
+]
var sr = [
- 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
- 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
- 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
- 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
- 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11 ]
+ 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
+ 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
+ 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
+ 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
+ 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
+]
+var hl = [0x00000000, 0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xA953FD4E]
+var hr = [0x50A28BE6, 0x5C4DD124, 0x6D703EF3, 0x7A6D76E9, 0x00000000]
-var hl = [0x00000000, 0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xA953FD4E]
-var hr = [0x50A28BE6, 0x5C4DD124, 0x6D703EF3, 0x7A6D76E9, 0x00000000]
-
-function bytesToWords(bytes) {
+function bytesToWords (bytes) {
var words = []
for (var i = 0, b = 0; i < bytes.length; i++, b += 8) {
words[b >>> 5] |= bytes[i] << (24 - b % 32)
@@ -56,7 +59,7 @@ function bytesToWords(bytes) {
return words
}
-function wordsToBytes(words) {
+function wordsToBytes (words) {
var bytes = []
for (var b = 0; b < words.length * 32; b += 8) {
bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF)
@@ -64,16 +67,16 @@ function wordsToBytes(words) {
return bytes
}
-function processBlock(H, M, offset) {
+function processBlock (H, M, offset) {
// swap endian
for (var i = 0; i < 16; i++) {
- var offset_i = offset + i;
+ var offset_i = offset + i
var M_offset_i = M[offset_i]
// Swap
M[offset_i] = (
- (((M_offset_i << 8) | (M_offset_i >>> 24)) & 0x00ff00ff) |
- (((M_offset_i << 24) | (M_offset_i >>> 8)) & 0xff00ff00)
+ (((M_offset_i << 8) | (M_offset_i >>> 24)) & 0x00ff00ff) |
+ (((M_offset_i << 24) | (M_offset_i >>> 8)) & 0xff00ff00)
)
}
@@ -89,44 +92,44 @@ function processBlock(H, M, offset) {
// computation
var t
- for (var i = 0; i < 80; i += 1) {
- t = (al + M[offset+zl[i]])|0
- if (i<16){
- t += f1(bl,cl,dl) + hl[0]
- } else if (i<32) {
- t += f2(bl,cl,dl) + hl[1]
- } else if (i<48) {
- t += f3(bl,cl,dl) + hl[2]
- } else if (i<64) {
- t += f4(bl,cl,dl) + hl[3]
+ for (i = 0; i < 80; i += 1) {
+ t = (al + M[offset + zl[i]]) | 0
+ if (i < 16) {
+ t += f1(bl, cl, dl) + hl[0]
+ } else if (i < 32) {
+ t += f2(bl, cl, dl) + hl[1]
+ } else if (i < 48) {
+ t += f3(bl, cl, dl) + hl[2]
+ } else if (i < 64) {
+ t += f4(bl, cl, dl) + hl[3]
} else {// if (i<80) {
- t += f5(bl,cl,dl) + hl[4]
+ t += f5(bl, cl, dl) + hl[4]
}
- t = t|0
- t = rotl(t,sl[i])
- t = (t+el)|0
+ t = t | 0
+ t = rotl(t, sl[i])
+ t = (t + el) | 0
al = el
el = dl
dl = rotl(cl, 10)
cl = bl
bl = t
- t = (ar + M[offset+zr[i]])|0
- if (i<16) {
- t += f5(br,cr,dr) + hr[0]
- } else if (i<32) {
- t += f4(br,cr,dr) + hr[1]
- } else if (i<48) {
- t += f3(br,cr,dr) + hr[2]
- } else if (i<64) {
- t += f2(br,cr,dr) + hr[3]
+ t = (ar + M[offset + zr[i]]) | 0
+ if (i < 16) {
+ t += f5(br, cr, dr) + hr[0]
+ } else if (i < 32) {
+ t += f4(br, cr, dr) + hr[1]
+ } else if (i < 48) {
+ t += f3(br, cr, dr) + hr[2]
+ } else if (i < 64) {
+ t += f2(br, cr, dr) + hr[3]
} else {// if (i<80) {
- t += f1(br,cr,dr) + hr[4]
+ t += f1(br, cr, dr) + hr[4]
}
- t = t|0
- t = rotl(t,sr[i])
- t = (t+er)|0
+ t = t | 0
+ t = rotl(t, sr[i])
+ t = (t + er) | 0
ar = er
er = dr
dr = rotl(cr, 10)
@@ -135,43 +138,44 @@ function processBlock(H, M, offset) {
}
// intermediate hash value
- t = (H[1] + cl + dr)|0
- H[1] = (H[2] + dl + er)|0
- H[2] = (H[3] + el + ar)|0
- H[3] = (H[4] + al + br)|0
- H[4] = (H[0] + bl + cr)|0
- H[0] = t
+ t = (H[1] + cl + dr) | 0
+ H[1] = (H[2] + dl + er) | 0
+ H[2] = (H[3] + el + ar) | 0
+ H[3] = (H[4] + al + br) | 0
+ H[4] = (H[0] + bl + cr) | 0
+ H[0] = t
}
-function f1(x, y, z) {
+function f1 (x, y, z) {
return ((x) ^ (y) ^ (z))
}
-function f2(x, y, z) {
- return (((x)&(y)) | ((~x)&(z)))
+function f2 (x, y, z) {
+ return (((x) & (y)) | ((~x) & (z)))
}
-function f3(x, y, z) {
+function f3 (x, y, z) {
return (((x) | (~(y))) ^ (z))
}
-function f4(x, y, z) {
- return (((x) & (z)) | ((y)&(~(z))))
+function f4 (x, y, z) {
+ return (((x) & (z)) | ((y) & (~(z))))
}
-function f5(x, y, z) {
- return ((x) ^ ((y) |(~(z))))
+function f5 (x, y, z) {
+ return ((x) ^ ((y) | (~(z))))
}
-function rotl(x,n) {
- return (x<<n) | (x>>>(32-n))
+function rotl (x, n) {
+ return (x << n) | (x >>> (32 - n))
}
-function ripemd160(message) {
+function ripemd160 (message) {
var H = [0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0]
- if (typeof message == 'string')
+ if (typeof message === 'string') {
message = new Buffer(message, 'utf8')
+ }
var m = bytesToWords(message)
@@ -181,22 +185,22 @@ function ripemd160(message) {
// Add padding
m[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32)
m[(((nBitsLeft + 64) >>> 9) << 4) + 14] = (
- (((nBitsTotal << 8) | (nBitsTotal >>> 24)) & 0x00ff00ff) |
- (((nBitsTotal << 24) | (nBitsTotal >>> 8)) & 0xff00ff00)
+ (((nBitsTotal << 8) | (nBitsTotal >>> 24)) & 0x00ff00ff) |
+ (((nBitsTotal << 24) | (nBitsTotal >>> 8)) & 0xff00ff00)
)
- for (var i=0 ; i<m.length; i += 16) {
+ for (var i = 0; i < m.length; i += 16) {
processBlock(H, m, i)
}
// swap endian
- for (var i = 0; i < 5; i++) {
- // shortcut
+ for (i = 0; i < 5; i++) {
+ // shortcut
var H_i = H[i]
// Swap
- H[i] = (((H_i << 8) | (H_i >>> 24)) & 0x00ff00ff) |
- (((H_i << 24) | (H_i >>> 8)) & 0xff00ff00)
+ H[i] = (((H_i << 8) | (H_i >>> 24)) & 0x00ff00ff) |
+ (((H_i << 24) | (H_i >>> 8)) & 0xff00ff00)
}
var digestbytes = wordsToBytes(H)
diff --git a/test/ripemd160.test.js b/test/ripemd160.test.js
index e13fdce..a461c01 100644
--- a/test/ripemd160.test.js
+++ b/test/ripemd160.test.js
@@ -4,20 +4,22 @@ var ripemd160 = require('../')
// from http://homes.esat.kuleuven.be/~bosselae/ripemd160.html
var fixtures = require('./fixtures')
-describe('ripemd160(input)', function() {
- fixtures.valid.forEach(function(f) {
- if (typeof f.data == 'string') {
+/* global describe, it */
+
+describe('ripemd160(input)', function () {
+ fixtures.valid.forEach(function (f) {
+ if (typeof f.data === 'string') {
if (f.encoding === 'utf8') {
- describe('> when input (' + f.data + ') encoding is utf8', function() {
- it('should accept a native string and produce a result', function() {
+ describe('> when input (' + f.data + ') encoding is utf8', function () {
+ it('should accept a native string and produce a result', function () {
var result = ripemd160(f.data)
assert.equal(result.toString('hex'), (new Buffer(f.result, 'hex')).toString('hex'))
})
})
}
- describe('> when input ('+ (new Buffer(f.data, f.encoding)).toString('hex') + ')is any encoding', function() {
- it('should accept a buffer and produce a result', function() {
+ describe('> when input (' + (new Buffer(f.data, f.encoding)).toString('hex') + ')is any encoding', function () {
+ it('should accept a buffer and produce a result', function () {
var result = ripemd160(new Buffer(f.data, f.encoding))
assert.equal(result.toString('hex'), (new Buffer(f.result, 'hex')).toString('hex'))
})
@@ -25,8 +27,8 @@ describe('ripemd160(input)', function() {
}
if (Array.isArray(f.data)) {
- describe('> when input ('+ (new Buffer(f.data)).toString('hex') + ') is an array', function() {
- it('should accept a buffer and produce a result', function() {
+ describe('> when input (' + (new Buffer(f.data)).toString('hex') + ') is an array', function () {
+ it('should accept a buffer and produce a result', function () {
var result = ripemd160(f.data)
assert.equal(result.toString('hex'), (new Buffer(f.result, 'hex')).toString('hex'))
})
@@ -34,5 +36,3 @@ describe('ripemd160(input)', function() {
}
})
})
-
-
--
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