LBRYCommunity/bitcoinjs-lib
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

crypto: use packages directly

Browse source
This commit is contained in:
Daniel Cousens 2015-03-17 12:31:53 +11:00
parent 03f3ccf06e
commit b5c42303ff
5 changed files with 23 additions and 20 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
package.json
View file

@ -46,8 +46,11 @@
},
"dependencies": {
"bigi": "^1.4.0",
"bs58check": "^1.0.4",
"bs58check": "^1.0.5",
"create-hash": "^1.1.0",
"create-hmac": "^1.1.3",
"ecurve": "^1.0.0",
"randombytes": "^2.0.1",
"typeforce": "^1.0.0"
},
"devDependencies": {

8
src/crypto.js
View file

@ -1,4 +1,4 @@
var crypto = require('crypto')
var createHash = require('create-hash')
function hash160 (buffer) {
return ripemd160(sha256(buffer))
@ -9,15 +9,15 @@ function hash256 (buffer) {
}
function ripemd160 (buffer) {
return crypto.createHash('rmd160').update(buffer).digest()
return createHash('rmd160').update(buffer).digest()
}
function sha1 (buffer) {
return crypto.createHash('sha1').update(buffer).digest()
return createHash('sha1').update(buffer).digest()
}
function sha256 (buffer) {
return crypto.createHash('sha256').update(buffer).digest()
return createHash('sha256').update(buffer).digest()
}
module.exports = {

18
src/ecdsa.js
View file

@ -1,5 +1,5 @@
var assert = require('assert')
var crypto = require('crypto')
var createHmac = require('create-hmac')
var typeForce = require('typeforce')
var BigInteger = require('bigi')
@ -29,7 +29,7 @@ function deterministicGenerateK (curve, hash, d, checkSig) {
k.fill(0)
// Step D
k = crypto.createHmac('sha256', k)
k = createHmac('sha256', k)
.update(v)
.update(ZERO)
.update(x)
@ -37,10 +37,10 @@ function deterministicGenerateK (curve, hash, d, checkSig) {
.digest()
// Step E
v = crypto.createHmac('sha256', k).update(v).digest()
v = createHmac('sha256', k).update(v).digest()
// Step F
k = crypto.createHmac('sha256', k)
k = createHmac('sha256', k)
.update(v)
.update(ONE)
.update(x)
@ -48,26 +48,26 @@ function deterministicGenerateK (curve, hash, d, checkSig) {
.digest()
// Step G
v = crypto.createHmac('sha256', k).update(v).digest()
v = createHmac('sha256', k).update(v).digest()
// Step H1/H2a, ignored as tlen === qlen (256 bit)
// Step H2b
v = crypto.createHmac('sha256', k).update(v).digest()
v = createHmac('sha256', k).update(v).digest()
var T = BigInteger.fromBuffer(v)
// Step H3, repeat until T is within the interval [1, n - 1] and is suitable for ECDSA
while ((T.signum() <= 0) || (T.compareTo(curve.n) >= 0) || !checkSig(T)) {
k = crypto.createHmac('sha256', k)
k = createHmac('sha256', k)
.update(v)
.update(ZERO)
.digest()
v = crypto.createHmac('sha256', k).update(v).digest()
v = createHmac('sha256', k).update(v).digest()
// Step H1/H2a, again, ignored as tlen === qlen (256 bit)
// Step H2b again
v = crypto.createHmac('sha256', k).update(v).digest()
v = createHmac('sha256', k).update(v).digest()
T = BigInteger.fromBuffer(v)
}

6
src/eckey.js
View file

@ -1,9 +1,9 @@
var assert = require('assert')
var base58check = require('bs58check')
var crypto = require('crypto')
var ecdsa = require('./ecdsa')
var typeForce = require('typeforce')
var networks = require('./networks')
var randomBytes = require('randombytes')
var typeForce = require('typeforce')
var BigInteger = require('bigi')
var ECPubKey = require('./ecpubkey')
@ -47,7 +47,7 @@ ECKey.fromWIF = function (string) {
}
ECKey.makeRandom = function (compressed, rng) {
rng = rng || crypto.randomBytes
rng = rng || randomBytes
var buffer = rng(32)
typeForce('Buffer', buffer)

6
src/hdnode.js
View file

@ -1,7 +1,7 @@
var assert = require('assert')
var base58check = require('bs58check')
var bcrypto = require('./crypto')
var crypto = require('crypto')
var createHmac = require('create-hmac')
var typeForce = require('typeforce')
var networks = require('./networks')
@ -62,7 +62,7 @@ HDNode.fromSeedBuffer = function (seed, network) {
assert(seed.length >= 16, 'Seed should be at least 128 bits')
assert(seed.length <= 64, 'Seed should be at most 512 bits')
var I = crypto.createHmac('sha512', HDNode.MASTER_SECRET).update(seed).digest()
var I = createHmac('sha512', HDNode.MASTER_SECRET).update(seed).digest()
var IL = I.slice(0, 32)
var IR = I.slice(32)
@ -225,7 +225,7 @@ HDNode.prototype.derive = function (index) {
])
}
var I = crypto.createHmac('sha512', this.chainCode).update(data).digest()
var I = createHmac('sha512', this.chainCode).update(data).digest()
var IL = I.slice(0, 32)
var IR = I.slice(32)