Java source Hash key 얻기

오픈API를 사용하다보면 HashKey가 필요할게 될 때 private void getHashKey() { try { PackageInfo info = getPackageManager().getPackageInfo(getPackageName(), PackageManager.GET_SIGNATURES); for (Signature signature : info.signatures) { MessageDigest md; md = MessageDigest.getInstance("SHA"); md.update(signature.toByteArray()); String something = new String(Base64.encode(md.digest(), 0)); Log.d("Hash key", something); } } catch (Exception e) { // TODO Auto-generated catch block Log.e("name not found", e.toString()); } }