cardano-crypto.js - npm Package Compare versions

Comparing version 3.0.0 to 3.1.0

index.js

 var Module = require('./lib.js')
 var bip39 = require('bip39')
-var crypto = require('crypto')
 
@@ -21,2 +20,8 @@ function validateDerivationMode(input) {
 
+function validateArray(input) {
+  if (typeof(input) !== typeof([])) {
+    throw new Error('not an array!')
+  }
+}
+
 function validateDerivationIndex(input) {
@@ -72,3 +77,3 @@ if (!Number.isInteger(input)) {
 
-  Module._sign(walletSecretArrPtr, msgArrPtr, msgLen, sigPtr)
+  Module._emscripten_sign(walletSecretArrPtr, msgArrPtr, msgLen, sigPtr)
   Module._free(msgArrPtr)
@@ -98,3 +103,3 @@ Module._free(walletSecretArrPtr)
 
-  var result = Module._verify(msgArrPtr, msgLen, publicKeyArrPtr, sigPtr) === 0
+  var result = Module._emscripten_verify(msgArrPtr, msgLen, publicKeyArrPtr, sigPtr) === 0
 
@@ -122,3 +127,3 @@ Module._free(msgArrPtr)
 
-  const returnCode = Module._wallet_secret_from_seed(seedArrPtr, chainCodeArrPtr, walletSecretArrPtr)
+  const returnCode = Module._emscripten_wallet_secret_from_seed(seedArrPtr, chainCodeArrPtr, walletSecretArrPtr)
 
@@ -157,9 +162,6 @@ Module._free(seedArrPtr)
     try {
-      var hmac = crypto.createHmac('sha512', hashSeed)
-      hmac.update(`Root Seed Chain ${i}`)
+      var digest = hmac_sha512(hashSeed, [Buffer.from(`Root Seed Chain ${i}`, 'ascii')])
+      var seed = digest.slice(0, 32)
+      var chainCode = digest.slice(32, 64)
 
-      var digest = hmac.digest('hex')
-      var seed = Buffer.from(digest.substr(0, 64), 'hex')
-      var chainCode = Buffer.from(digest.substr(64, 64), 'hex')
-
       result = walletSecretFromSeed(seed, chainCode)
@@ -194,6 +196,9 @@
   var childKeyArr = new Uint8Array(Module.HEAPU8.buffer, childKeyArrPtr, 128)
+
   parentKeyArr.set(parentKey)
-  Module._derive_private(parentKeyArrPtr, index, childKeyArrPtr, derivationMode)
+
+  Module._emscripten_derive_private(parentKeyArrPtr, index, childKeyArrPtr, derivationMode)
   Module._free(parentKeyArrPtr)
   Module._free(childKeyArrPtr)
+
   return new Buffer(childKeyArr)
@@ -223,3 +228,3 @@ }
 
-  Module._derive_public(parentPubKeyArrPtr, parentChainCodeArrPtr, index, childPubKeyArrPtr, childChainCodeArrPtr, derivationMode)
+  Module._emscripten_derive_public(parentPubKeyArrPtr, parentChainCodeArrPtr, index, childPubKeyArrPtr, childChainCodeArrPtr, derivationMode)
 
@@ -245,3 +250,3 @@ Module._free(parentPubKeyArrPtr)
 
-  Module._blake2b_emscripten(inputArrPtr, inputLen, outputArrPtr, outputLen)
+  Module._emscripten_blake2b(inputArrPtr, inputLen, outputArrPtr, outputLen)
 
@@ -266,3 +271,3 @@ Module._free(inputArrPtr)
 
-  Module._sha3_256(inputArrPtr, inputLen, outputArrPtr)
+  Module._emscripten_sha3_256(inputArrPtr, inputLen, outputArrPtr)
 
@@ -275,2 +280,44 @@ Module._free(inputArrPtr)
 
+function hmac_sha512(initKey, inputs) {
+  validateBuffer(initKey)
+  validateArray(inputs)
+  inputs.map(validateBuffer)
+
+  var ctxLen = Module._emscripten_size_of_hmac_sha512_ctx()
+  var ctxArrPtr = Module._malloc(ctxLen)
+  var ctxArr = new Uint8Array(Module.HEAPU8.buffer, ctxArrPtr, ctxLen)
+
+  var initKeyLen = initKey.length
+  var initKeyArrPtr = Module._malloc(ctxLen)
+  var initKeyArr = new Uint8Array(Module.HEAPU8.buffer, initKeyArrPtr, initKeyLen)
+
+  initKeyArr.set(initKey)
+  
+  Module._emscripten_hmac_sha512_init(ctxArrPtr, initKeyArrPtr, initKeyLen)
+
+  for (var i = 0; i < inputs.length; i++) {
+    var inputLen = inputs[i].length
+    var inputArrPtr = Module._malloc(inputLen)
+    var inputArr = new Uint8Array(Module.HEAPU8.buffer, inputArrPtr, inputLen)
+
+    inputArr.set(inputs[i])
+
+    Module._emscripten_hmac_sha512_update(ctxArrPtr, inputArrPtr, inputLen)
+
+    Module._free(inputArrPtr)
+  }
+
+  var outputLen = 64
+  var outputArrPtr = Module._malloc(outputLen)
+  var outputArr = new Uint8Array(Module.HEAPU8.buffer, outputArrPtr, outputLen)
+
+  Module._emscripten_hmac_sha512_final(ctxArrPtr, outputArrPtr)
+
+  Module._free(initKeyArrPtr)
+  Module._free(ctxArrPtr)
+  Module._free(outputArrPtr)
+
+  return Buffer.from(outputArr)
+}
+
 function cardanoMemoryCombine(input, password) {
@@ -299,3 +346,3 @@ validateString(password)
 
-  Module._cardano_memory_combine(transformedPasswordArrPtr, transformedPasswordLen, inputArrPtr, outputArrPtr, inputLen)
+  Module._emscripten_cardano_memory_combine(transformedPasswordArrPtr, transformedPasswordLen, inputArrPtr, outputArrPtr, inputLen)
 
@@ -335,3 +382,3 @@ Module._free(inputArrPtr)
 
-  var resultCode = Module._chacha20poly1305_enc(keyArrPtr, nonceArrPtr, inputArrPtr, inputLen, outputArrPtr, outputArrPtr + inputLen, tagLen, 1)
+  var resultCode = Module._emscripten_chacha20poly1305_enc(keyArrPtr, nonceArrPtr, inputArrPtr, inputLen, outputArrPtr, outputArrPtr + inputLen, tagLen, 1)
 
@@ -384,3 +431,3 @@ Module._free(inputArrPtr)
 
-  var resultCode = Module._chacha20poly1305_enc(keyArrPtr, nonceArrPtr, inputArrPtr, inputLen, outputArrPtr, tagArrPtr, tagLen, 0)
+  var resultCode = Module._emscripten_chacha20poly1305_enc(keyArrPtr, nonceArrPtr, inputArrPtr, inputLen, outputArrPtr, tagArrPtr, tagLen, 0)
 
@@ -387,0 +434,0 @@ Module._free(inputArrPtr)

package.json

 {
   "name": "cardano-crypto.js",
-  "version": "3.0.0",
+  "version": "3.1.0",
   "description": "input-output-hk/cardano-crypto compiled to pure javascript using Emscripten",
@@ -5,0 +5,0 @@ "main": "index.js",

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Improved metrics

Total package byte prevSize

244003

increased by0.91%

Lines of code

1339

increased by2.61%

No dependency changes