Fixed incorrect result when file size >= 512M.

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Change Log
 
+## v0.6.0 / 2017-10-31
+### Fixed
+- incorrect result when file size >= 512M.
+
 ## v0.5.0 / 2017-10-07
 ### Added
 - support for web worker. #5

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "js-sha512",
-  "version": "0.5.0",
+  "version": "0.6.0",
   "main": ["src/sha512.js"],
   "ignore": [
     "samples",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "js-sha512",
-  "version": "0.5.0",
+  "version": "0.6.0",
   "description": "This is a simple SHA-512, SHA-384, SHA-512/224, SHA-512/256 hash functions for JavaScript supports UTF-8 encoding.",
   "main": "src/sha512.js",
   "devDependencies": {

src/sha512.js

@@ -1,7 +1,7 @@
 /*
  * [js-sha512]{@link https://github.com/emn178/js-sha512}
  *
- * @version 0.5.0
+ * @version 0.6.0
  * @author Chen, Yi-Cyuan [emn178@gmail.com]
  * @copyright Chen, Yi-Cyuan 2014-2017
  * @license MIT
@@ -195,7 +195,7 @@
     }
     this.bits = bits;
 
-    this.block = this.start = this.bytes = 0;
+    this.block = this.start = this.bytes = this.hBytes = 0;
     this.finalized = this.hashed = false;
   }
 
@@ -274,6 +274,10 @@
         this.start = i;
       }
     }
+    if (this.bytes > 4294967295) {
+      this.hBytes += this.bytes / 4294967296 << 0;
+      this.bytes = this.bytes % 4294967296;
+    }
     return this;
   };
 
@@ -300,6 +304,7 @@
       blocks[25] = blocks[26] = blocks[27] = blocks[28] =
       blocks[29] = blocks[30] = blocks[31] = blocks[32] = 0;
     }
+    blocks[30] = this.hBytes << 3 | this.bytes >> 29;
     blocks[31] = this.bytes << 3;
     this.hash();
   };

tests/test.js

@@ -316,6 +316,13 @@
           });
         });
       });
+
+      context('when large size', function () {
+        var hash = algorithm.create();
+        hash.bytes = 4294967295;
+        hash.update('any');
+        expect(hash.hBytes).to.be(1);
+      });
     });
   }