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Build a signed index in jar format, to be used by the next version of the client

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This commit is contained in:
Ciaran Gultnieks 2011-01-29 09:32:21 +00:00
parent cbd42b2a62
commit f0fa241751
4 changed files with 69 additions and 14 deletions
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45
getsig/getsig.java
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@ -13,13 +13,23 @@ public class getsig {
public static void main(String[] args) {
if (args.length != 1) {
String apkPath = null;
boolean full = false;
if(args.length == 1) {
apkPath = args[0];
} else if (args.length == 2) {
if(!args[0].equals("-f")) {
System.out.println("Only -f is supported");
System.exit(1);
}
apkPath = args[1];
full = true;
} else {
System.out.println("Specify the APK file to get the signature from!");
System.exit(1);
}
String apkPath = args[0];
try {
JarFile apk = new JarFile(apkPath);
@ -64,17 +74,24 @@ public class getsig {
csig[j*2+1] = (byte)(d >= 10 ? ('a' + d - 10) : ('0' + d));
}
// Get the MD5 sum of that...
MessageDigest md;
md = MessageDigest.getInstance("MD5");
byte[] md5sum = new byte[32];
md.update(csig);
md5sum = md.digest();
BigInteger bigInt = new BigInteger(1, md5sum);
String md5hash = bigInt.toString(16);
while (md5hash.length() < 32)
md5hash = "0" + md5hash;
System.out.println("Result:" + md5hash);
String result;
if(full) {
result = new String(csig);
} else {
// Get the MD5 sum...
MessageDigest md;
md = MessageDigest.getInstance("MD5");
byte[] md5sum = new byte[32];
md.update(csig);
md5sum = md.digest();
BigInteger bigInt = new BigInteger(1, md5sum);
String md5hash = bigInt.toString(16);
while (md5hash.length() < 32)
md5hash = "0" + md5hash;
result = md5hash;
}
System.out.println("Result:" + result);
System.exit(0);
} catch (Exception e) {