Newer eccrypto

README.md

@@ -14,17 +14,17 @@ API documentation is available [here](https://bitchan.github.io/bitmessage/docs/
 
 ## Feature matrix (both Browser and Node)
 
-- [ ] crypto
+- [x] crypto
   - [x] SHA-512
   - [x] SHA-256
   - [x] RIPEMD-160
   - [x] PRNG
   - [x] ECC keys manipulation
   - [x] ECDSA
-  - [ ] ECDH
+  - [x] ECDH
-  - [ ] ECIES
+  - [x] ECIES
-  - [ ] AES-256-CBC
+  - [x] AES-256-CBC
-  - [ ] HMAC-SHA-256
+  - [x] HMAC-SHA-256
 - [x] Common structures
   - [x] message
   - [x] var_int

lib/structs.js

@@ -442,14 +442,14 @@ exports.encrypted = {
     buf.copy(ephemPublicKey, 33, 54, 86);
     // NOTE(Kagami): We do copy instead of slice to protect against
     // possible source buffer modification by user.
-    var cipherText = new Buffer(buf.length - 118);
+    var ciphertext = new Buffer(buf.length - 118);
-    buf.copy(cipherText, 0, 86, buf.length - 32);
+    buf.copy(ciphertext, 0, 86, buf.length - 32);
     var mac = new Buffer(32);
     buf.copy(mac, 0, buf.length - 32);
     return {
       iv: iv,
       ephemPublicKey: ephemPublicKey,
-      cipherText: cipherText,
+      ciphertext: ciphertext,
       mac: mac,
     };
   },
@@ -464,15 +464,15 @@ exports.encrypted = {
     assert(opts.ephemPublicKey.length === 65, "Bad public key");
     assert(opts.mac.length === 32, "Bad MAC");
     // 16 + 2 + 2 + 32 + 2 + 32 + ? + 32
-    var buf = new Buffer(118 + opts.cipherText.length);
+    var buf = new Buffer(118 + opts.ciphertext.length);
     opts.iv.copy(buf);
     buf.writeUInt16BE(SECP256K1_TYPE, 16, true);  // Curve type
     buf.writeUInt16BE(32, 18, true);  // Rx length
     opts.ephemPublicKey.copy(buf, 20, 1, 33);  // Rx
     buf.writeUInt16BE(32, 52, true);  // Ry length
     opts.ephemPublicKey.copy(buf, 54, 33);  // Ry
-    opts.cipherText.copy(buf, 86);
+    opts.ciphertext.copy(buf, 86);
-    opts.mac.copy(buf, 86 + opts.cipherText.length);
+    opts.mac.copy(buf, 86 + opts.ciphertext.length);
     return buf;
   },
 };

package.json

@@ -50,7 +50,7 @@
     "bn.js": "^1.0.0",
     "bs58": "^2.0.0",
     "buffer-equal": "~0.0.1",
-    "eccrypto": "^0.1.2",
+    "eccrypto": "^0.9.0",
     "es6-promise": "^2.0.1",
     "hash.js": "^1.0.2",
     "nan": "^1.4.1",

test.js

@@ -223,12 +223,12 @@ describe("Common structures", function() {
       var iv = Buffer(16);
       var ephemPublicKey = Buffer(65);
       ephemPublicKey[0] = 0x04;
-      var cipherText = Buffer("test");
+      var ciphertext = Buffer("test");
       var mac = Buffer(32);
       var inopts = {
         iv: iv,
         ephemPublicKey: ephemPublicKey,
-        cipherText: cipherText,
+        ciphertext: ciphertext,
         mac: mac,
       };
 
@@ -237,7 +237,7 @@ describe("Common structures", function() {
       var outopts = encrypted.decode(encoded);
       expect(bufferEqual(iv, outopts.iv)).to.be.true;
       expect(bufferEqual(ephemPublicKey, outopts.ephemPublicKey)).to.be.true;
-      expect(cipherText.toString()).to.equal("test");
+      expect(ciphertext.toString()).to.equal("test");
       expect(bufferEqual(mac, outopts.mac)).to.be.true;
     });
   });