import com.dalsemi.onewire.utils.IOHelper;
import com.dalsemi.onewire.*;
import com.dalsemi.onewire.adapter.*;
import com.dalsemi.onewire.container.*;
import com.dalsemi.onewire.application.sha.*;
import java.util.Vector;
import java.io.*;
import com.dalsemi.onewire.utils.*;
import java.util.*;
public class initcopr
{
static boolean EMULATE_COPR = false;
static String SHA_COPR_FILENAME = "sha_copr";
final static byte[] DEFAULT_COPR_ROMID
= new byte[]{(byte)0x18,(byte)0xFB,(byte)0x13,0,0,0,0,(byte)0xB2};
ここからmainメソッドが始まる。
/**
* Method main
*
*
* 入力: args
*
* OneWireExceptionをthrowする
* OneWireIOExceptionをthrowsする
*
*/
public static void main (String[] args)
throws OneWireIOException, OneWireException, IOException
{
// プロパティファイルthe sha.properties を開きプロパティを読み込む
try
{
FileInputStream prop_file
= new FileInputStream("sha.properties");
sha_properties = new Properties();
sha_properties.load(prop_file);
}
catch(Exception e)
{
sha_properties = null;
}
プロパティファイルの構成の簡単な説明
// ------------------------------------------------------------
// コプロセッサのコンテナを初期化する
// ------------------------------------------------------------
SHAiButtonCopr copr = null;
OneWireContainer18 copr18 = new OneWireContainer18();
copr18.setSpeed(DSPortAdapter.SPEED_OVERDRIVE, false);
copr18.setSpeedCheck(false);
OneWireContainer18クラスはこの実験で用いるSHAのiButton1963Sに対応する
クラスである。このクラスは1963Sをコントロールするメソッドなどを持っている。
コプロセッサに対するアダプタを設定する。
// ------------------------------------------------------------
// コプロセッサに対するアダプタを設定する
// ------------------------------------------------------------
DSPortAdapter coprAdapter = null;
String coprAdapterName = null, coprPort = null;
try
{
coprAdapterName = getProperty("copr.adapter");
coprPort = getProperty("copr.port");
if(coprPort==null || coprAdapterName==null)
{
coprAdapter = OneWireAccessProvider.getDefaultAdapter();
}
else
{
coprAdapter
= OneWireAccessProvider.getAdapter(coprAdapterName, coprPort);
}
IOHelper.writeLine("Coprocessor adapter loaded, adapter: " +
coprAdapter.getAdapterName() +
" port: " + coprAdapter.getPortName());
coprAdapter.adapterDetected();
coprAdapter.targetFamily(0x18); // 1963Sのみを探すようにする
coprAdapter.beginExclusive(true); // 排他制御ON
coprAdapter.reset();
coprAdapter.setSearchAllDevices();// Alarm状態も解除して探す
coprAdapter.reset();
coprAdapter.putByte(0x3c);
coprAdapter.setSpeed(coprAdapter.SPEED_OVERDRIVE);//高速度に設定
}
catch(Exception e)
{
IOHelper.writeLine("Error initializing coprocessor adapter");
e.printStackTrace();
System.exit(1);
}
(1)のmainメソッドの最後に下記を挿入する。つまり、下記はmainメソッドの続き
// ---------------------------------------------------------
// Get the name of the coprocessor service file
// ---------------------------------------------------------
String filename = getProperty("copr.filename","COPR.0");
boolean next = false;
boolean vmSaveSecrets = true;
String coprVMfilename = null;
// ------------------------------------------------------------
// Find the coprocessor
// ------------------------------------------------------------
if(getPropertyBoolean("copr.simulated.isSimulated", false))
{
coprVMfilename = getProperty("copr.simulated.filename");
vmSaveSecrets = getPropertyBoolean("copr.simulated.saveSecrets",true);
// ---------------------------------------------------------
// Load emulated coprocessor
// ---------------------------------------------------------
System.out.println("Setting up simulated Copressor.");
System.out.println("Would you like to emulate another coprocessor? (y)");
if(IOHelper.readLine().toUpperCase().charAt(0)=='Y')
{
OneWireContainer18 ibc = new OneWireContainer18();
ibc.setSpeedCheck(false);
try
{
next = coprAdapter.findFirstDevice();
while(next && copr==null)
{
try
{
System.out.println(coprAdapter.getAddressAsLong());
ibc.setupContainer(coprAdapter, coprAdapter.getAddressAsLong());
copr = new SHAiButtonCopr(ibc, filename);
}
catch(Exception e){e.printStackTrace();}
next = coprAdapter.findNextDevice();
}
}
catch(Exception e){;}
if(copr==null)
{
System.out.println("No coprocessor found to emulate");
return;
}
System.out.println();
System.out.println("Emulating Coprocessor: "+ibc.getAddressAsString());
System.out.println();
//now that we got all that, we need a signing secret and an authentication secret
System.out.println(
"How would you like to enter the signing secret (unlimited bytes)? ");
byte[] sign_secret = getBytes(0);
IOHelper.writeBytes(sign_secret);
System.out.println();
System.out.println(
"How would you like to enter the authentication secret (unlimited bytes)? ");
byte[] auth_secret = getBytes(0);
IOHelper.writeBytes(auth_secret);
System.out.println();
if(copr.isDS1961Scompatible())
{
//reformat the auth_secret
auth_secret = SHAiButtonCopr.reformatFor1961S(auth_secret);
IOHelper.writeBytes(auth_secret);
}
System.out.println();
copr = new SHAiButtonCoprVM(ibc, filename, sign_secret, auth_secret);
((SHAiButtonCoprVM)copr).save(coprVMfilename, true);
System.out.println(copr);
return;
}
}
else
{
// ---------------------------------------------------------
// Check for hardcoded coprocessor address
// ---------------------------------------------------------
byte[] coprAddress = getPropertyBytes("copr.address",null);
long lookupID = 0, coprID = -1;
if(coprAddress!=null)
{
lookupID = Address.toLong(coprAddress);
IOHelper.write("Looking for coprocessor: ");
IOHelper.writeLineHex(lookupID);
}
// ---------------------------------------------------------
// Find hardware coprocessor
// ---------------------------------------------------------
try
{
next = coprAdapter.findFirstDevice();
while(copr==null && next)
{
try
{
long tmpCoprID = coprAdapter.getAddressAsLong();
if(coprAddress==null || tmpCoprID==lookupID)
{
IOHelper.write("Loading coprocessor file: " + filename +
" from device: ");
IOHelper.writeLineHex(tmpCoprID);
copr18.setupContainer(coprAdapter, tmpCoprID);
//save coprocessor ID
coprID = tmpCoprID;
}
}
catch(Exception e)
{
IOHelper.writeLine(e);
}
next = coprAdapter.findNextDevice();
}
}
catch(Exception e)
{;}
if(coprID==-1)
{
IOHelper.writeLine("No Coprocessor found!");
System.exit(1);
}
System.out.println("Setting up DS1963S as Coprocessor: " +
Address.toString(copr18.getAddress()));
}
// Now that we've got a suitable button for creating a coprocessor,
// let's ask the user for all the necessary paramters.
System.out.print(
"Enter the name of the coprocessor file (usually 'COPR') : ");
byte[] coprname = IOHelper.readBytesAsc(4,' ');
System.out.print(
"Enter the file extension of the coprocessor file (0) : ");
int coprext = IOHelper.readInt(0);
System.out.print(
"Enter the name of the service file (4 characters) : ");
byte[] name = IOHelper.readBytesAsc(4,' ');
System.out.print(
"Enter the file extension of the service file (102 for Money) : ");
byte ext = (byte)IOHelper.readInt(102);
System.out.print("Enter authentication page number (7) : ");
int auth_page = IOHelper.readInt(7);
if (auth_page < 7)
{
System.out.println("Authentication page too low, default to 7");
auth_page = 7;
}
if (auth_page == 8)
{
System.out.println("Page already taken, default to 7");
auth_page = 7;
}
System.out.print("Enter workspace page number (9) : ");
int work_page = IOHelper.readInt(9);
if (work_page < 7)
{
System.out.println("Workspace page too low, default to 9");
work_page = 9;
}
if ((work_page == 8) || (work_page == auth_page))
{
System.out.println("Page already taken, default to 9");
work_page = 9;
}
System.out.print("Enter version number (1) : ");
int version = IOHelper.readInt(1);
System.out.println(
"How would you like to enter the binding data (32 bytes)? ");
byte[] bind_data = getBytes(32);
System.out.println(
"How would you like to enter the binding code (7 bytes)? ");
byte[] bind_code = getBytes(7);
// This could be done on the button
//java.util.Random random = new java.util.Random();
//random.nextBytes(chlg);
// Need to know what the challenge is so that I can reproduce it!
byte[] chlg = new byte []{0x00,0x00,0x00};
System.out.println("Enter a human-readable provider name: ");
String provider_name = IOHelper.readLine();
System.out.println(
"Enter an initial signature in HEX (all 0' default): ");
byte[] sig_ini = IOHelper.readBytesHex(20, 0);
System.out.println(
"Enter any additional text you would like store on the coprocessor: ");
String aux_data = IOHelper.readLine();
System.out.println("Enter an encryption code (0): ");
int enc_code = IOHelper.readInt(0);
//now that we got all that, we need a signing secret and an authentication secret
System.out.println(
"How would you like to enter the signing secret (unlimited bytes)? ");
byte[] sign_secret = getBytes(0);
IOHelper.writeBytes(sign_secret);
System.out.println();
System.out.println(
"How would you like to enter the authentication secret (unlimited bytes)? ");
byte[] auth_secret = getBytes(0);
IOHelper.writeBytes(auth_secret);
System.out.println();
System.out.println(
"Would you like to reformat the authentication secret for the 1961S? (y or n)");
String s = IOHelper.readLine();
if(s.toUpperCase().charAt(0)=='Y')
{
//reformat the auth_secret
auth_secret = SHAiButtonCopr.reformatFor1961S(auth_secret);
IOHelper.writeLine("authentication secret");
IOHelper.writeBytes(auth_secret);
IOHelper.writeLine();
}
// signing page must be 8, using secret 0
int sign_page = 8;
if(coprVMfilename!=null)
{
byte[] RomID = new byte[]
{ (byte)0x18,(byte)0x20,(byte)0xAF,(byte)0x02,
(byte)0x00,(byte)0x00,(byte)0x00,(byte)0xE7 };
RomID = getPropertyBytes("copr.simulated.address",RomID);
copr = new SHAiButtonCoprVM(RomID,
sign_page, auth_page, work_page, version, enc_code,
ext, name, provider_name.getBytes(), bind_data, bind_code,
aux_data.getBytes(), sig_ini, chlg,
sign_secret, auth_secret);
((SHAiButtonCoprVM)copr).save(coprVMfilename, vmSaveSecrets);
}
else
{
String coprFilename = new String(coprname) + "." + coprext;
// initialize this OneWireContainer18 as a valid coprocessor
copr = new SHAiButtonCopr(copr18, coprFilename, true,
sign_page, auth_page, work_page, version, enc_code,
ext, name, provider_name.getBytes(), bind_data, bind_code,
aux_data.getBytes(), sig_ini, chlg,
sign_secret, auth_secret);
}
System.out.println("Initialized Coprocessor");
System.out.println(copr.toString());
System.out.println("done");
}
mainメソッド終了
public static byte[] getBytes(int cnt)
{
System.out.println(" 1 HEX");
System.out.println(" 2 ASCII");
System.out.print(" ? ");
int choice = IOHelper.readInt(2);
if(choice==1)
return IOHelper.readBytesHex(cnt,0x00);
else
return IOHelper.readBytesAsc(cnt,0x00);
}
static Properties sha_properties = null;
/**
* 示されたonewireのプロパティを得る
* 次の場所からプロパティを探す:
* System.propertiesの中
* カレントディレクトリの中のonewire.propertiesファイル
* あるいは < java.home >/lib/ (Desktop) or /etc/ (TINI)
* プロパティが 'onewire.adapter.default'あるいは'onewire.port.default'
* だとスマートである
*
* 入力: propName 読み込むプロパティの名前のstring
*
* 戻り値: プロパティ値を表すstringかみつからなかったらnullを返す
* (onewire.adapter.defaultとonewire.port.defaultは
* プロパティが存在していなくとも'smart'を返す。
*/
public static String getProperty (String propName)
{
// first, try system properties
try
{
String ret_str = System.getProperty(propName, null);
if(ret_str!=null)
return ret_str;
}
catch (Exception e)
{ ; }
// if defaults not found then try sha.properties file
if(sha_properties==null)
{
//try to load sha_propreties file
FileInputStream prop_file = null;
// loop to attempt to open the sha.properties file in two locations
// .\sha.properties or<java.home>\lib\sha.properties
String path = "";
for (int i = 0; i <= 1; i++)
{
// attempt to open the sha.properties file
try
{
prop_file = new FileInputStream(path + "sha.properties");
// attempt to read the onewire.properties
try
{
sha_properties = new Properties();
sha_properties.load(prop_file);
}
catch (Exception e)
{
//so we remember that it failed
sha_properties = null;
}
}
catch (IOException e)
{
prop_file = null;
}
// check to see if we now have the properties loaded
if (sha_properties != null)
break;
// try the second path
path = System.getProperty("java.home") + File.separator + "lib"
+ File.separator;
}
}
if(sha_properties==null)
{
IOHelper.writeLine("Can't find sha.properties file");
return null;
}
else
{
Object ret = sha_properties.get(propName);
if(ret==null)
return null;
else
return ret.toString();
}
}
プロパティの値が設定されていなかった場合、第二引数をデフォールトとして使う。
public static String getProperty (String propName, String defValue)
{
String ret = getProperty(propName);
return (ret==null) ? defValue : ret;
}
同様のもう一つのメソッド
public static boolean getPropertyBoolean(String propName, boolean defValue)
{
String strValue = getProperty(propName);
if(strValue!=null)
defValue = Boolean.valueOf(strValue).booleanValue();
return defValue;
}
同様のもう一つのメソッド
public static byte[] getPropertyBytes(String propName, byte[] defValue)
{
String strValue = getProperty(propName);
if(strValue!=null)
{
//only supports up to 128 bytes of data
byte[] tmp = new byte[128];
//split the string on commas and spaces
StringTokenizer strtok = new StringTokenizer(strValue,", ");
//how many bytes we got
int i = 0;
while(strtok.hasMoreElements())
{
//this string could have more than one byte in it
String multiByteStr = strtok.nextToken();
int strLen = multiByteStr.length();
for(int j=0; j<strLen; j+=2)
{
//get just two nibbles at a time
String byteStr
= multiByteStr.substring(j, Math.min(j+2, strLen));
long lng = 0;
try
{
//parse the two nibbles into a byte
lng = Long.parseLong(byteStr, 16);
}
catch(NumberFormatException nfe)
{
nfe.printStackTrace();
//no mercy!
return defValue;
}
//store the byte and increment the counter
if(i<tmp.length)
tmp[i++] = (byte)(lng&0x0FF);
}
}
if(i>0)
{
byte[] retVal = new byte[i];
System.arraycopy(tmp, 0, retVal, 0, i);
return retVal;
}
}
return defValue;
}
}
注: nibbleは4bitの単位「ニブル」