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Code Issues Releases Wiki Activity

Allow to sign and specify passphrase on decrypting

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This commit is contained in:
Markus Doits 2011-01-17 22:16:49 +00:00
parent 7bf8649d95
commit f9ee141ce1
1 changed files with 35 additions and 13 deletions
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48
src/org/thialfihar/android/apg/ApgService.java
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@ -48,8 +48,9 @@ public class ApgService extends Service {
HASH_ALGO, // hash algorithm
ARMORED, // whether to armor output
FORCE_V3_SIG, // whether to force v3 signature
COMPRESSION
// what compression to use for encrypted output
COMPRESSION, // what compression to use for encrypted output
SIGNATURE_KEY, // key for signing
PRIVATE_KEY_PASS, // passphrase for encrypted private key
}
/** all things that might be returned */
@ -57,8 +58,7 @@ public class ApgService extends Service {
ERRORS, // string array list with errors
WARNINGS, // string array list with warnings
ERROR, // numeric error
RESULT
// en-/decrypted test
RESULT, // en-/decrypted test
}
/** required arguments for each AIDL function */
@ -89,12 +89,15 @@ public class ApgService extends Service {
args.add(arg.ARMORED);
args.add(arg.FORCE_V3_SIG);
args.add(arg.COMPRESSION);
args.add(arg.PRIVATE_KEY_PASS);
args.add(arg.SIGNATURE_KEY);
FUNCTIONS_OPTIONAL_ARGS.put("encrypt_with_passphrase", args);
FUNCTIONS_OPTIONAL_ARGS.put("encrypt_with_public_key", args);
args = new HashSet<arg>();
args.add(arg.SYM_KEY);
args.add(arg.PUBLIC_KEYS);
args.add(arg.PRIVATE_KEY_PASS);
FUNCTIONS_OPTIONAL_ARGS.put("decrypt", args);
}
@ -136,6 +139,23 @@ public class ApgService extends Service {
}
}
/**
* maps a fingerprint or user id of a key to as master key in database
*
* @param search_key
* fingerprint or user id to search for
* @return master key if found, or 0
*/
private static long get_master_key(String search_key) {
ArrayList<String> tmp = new ArrayList<String>();
tmp.add(search_key);
long[] _keys = get_master_key(tmp);
if (_keys.length > 0)
return _keys[0];
else
return 0;
}
/**
* maps fingerprints or user ids of keys to master keys in database
*
@ -164,7 +184,9 @@ public class ApgService extends Service {
"(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Keys.TABLE_NAME + " AS tmp WHERE " + "tmp." + Keys.KEY_RING_ID + " = " + KeyRings.TABLE_NAME
+ "." + KeyRings._ID + " AND " + "tmp." + Keys.IS_REVOKED + " = '0' AND " + "tmp." + Keys.CAN_ENCRYPT + " = '1' AND " + "tmp."
+ Keys.CREATION + " <= '" + now + "' AND " + "(tmp." + Keys.EXPIRY + " IS NULL OR " + "tmp." + Keys.EXPIRY + " >= '" + now + "'))", // 4
}, KeyRings.TABLE_NAME + "." + KeyRings.TYPE + " = ?", new String[] { "" + Id.database.type_public }, null, null, orderBy);
}, KeyRings.TABLE_NAME + "." + KeyRings.TYPE + " = ?", new String[] {
"" + Id.database.type_public
}, null, null, orderBy);
ArrayList<Long> _master_keys = new ArrayList<Long>();
while (mCursor.moveToNext()) {
@ -191,7 +213,6 @@ public class ApgService extends Service {
*
* @param args
* the bundle to add default parameters to if missing
*
*/
private void add_default_arguments(String call, Bundle args) {
Preferences _mPreferences = Preferences.getPreferences(getBaseContext(), true);
@ -333,8 +354,7 @@ public class ApgService extends Service {
}
InputStream _inStream = new ByteArrayInputStream(pArgs.getString(arg.MSG.name()).getBytes());
InputData _in = new InputData(_inStream, 0); // XXX Size second
// param?
InputData _in = new InputData(_inStream, 0); // XXX Size second param?
OutputStream _out = new ByteArrayOutputStream();
try {
@ -343,8 +363,8 @@ public class ApgService extends Service {
_out, // output stream
pArgs.getBoolean(arg.ARMORED.name()), // armored
_pub_master_keys, // encryption keys
0, // signature key
null, // signature passphrase
get_master_key(pArgs.getString(arg.SIGNATURE_KEY.name())), // signature key
pArgs.getString(arg.PRIVATE_KEY_PASS.name()), // signature passphrase
null, // progress
pArgs.getInt(arg.ENCRYPTION_ALGO.name()), // encryption
pArgs.getInt(arg.HASH_ALGO.name()), // hash
@ -388,12 +408,14 @@ public class ApgService extends Service {
return false;
}
String _passphrase = pArgs.getString(arg.SYM_KEY.name()) != null ? pArgs.getString(arg.SYM_KEY.name()) : pArgs.getString(arg.PRIVATE_KEY_PASS
.name());
InputStream inStream = new ByteArrayInputStream(pArgs.getString(arg.MSG.name()).getBytes());
InputData in = new InputData(inStream, 0); // XXX what size in
// second parameter?
InputData in = new InputData(inStream, 0); // XXX what size in second parameter?
OutputStream out = new ByteArrayOutputStream();
try {
Apg.decrypt(getBaseContext(), in, out, pArgs.getString(arg.SYM_KEY.name()), null, // progress
Apg.decrypt(getBaseContext(), in, out, _passphrase, null, // progress
pArgs.getString(arg.SYM_KEY.name()) != null // symmetric
);
} catch (Exception e) {