Added derivation code

Polycarpik · Polycarpik · commit fe182673db27 · 2015-12-07T17:27:27.000+02:00
diff --git a/src/main/java/hello/KeyGenerator.java b/src/main/java/hello/KeyGenerator.java
@@ -22,12 +22,15 @@ public KeyGenerator(String masterKey, String chainCode) {
         }
         this.masterKey = new BigInteger(masterKey,16).toByteArray();
         this.chainCode = md.digest(chainCode.getBytes());
-
+        
         generatePrivateKey();
     }
 
     private void generatePrivateKey(){
-        // TODO some derivation here
+        DeterministicKey dk = HDKeyDerivation.createMasterPrivKeyFromBytes(masterKey,chainCode);
+        dk = HDKeyDerivation.deriveChildKey(dk,0);
+        privateKey = dk.getPrivateKeyAsHex();
+//        System.out.println(dk.getPrivateKeyAsHex());
     }
 
     public String getPrivateKey() {

Original file line number	Diff line number	Diff line change
`@@ -22,12 +22,15 @@ public KeyGenerator(String masterKey, String chainCode) {`
`22`	`22`	`}`
`23`	`23`	`this.masterKey = new BigInteger(masterKey,16).toByteArray();`
`24`	`24`	`this.chainCode = md.digest(chainCode.getBytes());`
`25`		`-`
	`25`	`+`
`26`	`26`	`generatePrivateKey();`
`27`	`27`	`}`
`28`	`28`
`29`	`29`	`private void generatePrivateKey(){`
`30`		`- // TODO some derivation here`
	`30`	`+ DeterministicKey dk = HDKeyDerivation.createMasterPrivKeyFromBytes(masterKey,chainCode);`
	`31`	`+ dk = HDKeyDerivation.deriveChildKey(dk,0);`
	`32`	`+ privateKey = dk.getPrivateKeyAsHex();`
	`33`	`+// System.out.println(dk.getPrivateKeyAsHex());`
`31`	`34`	`}`
`32`	`35`
`33`	`36`	`public String getPrivateKey() {`