cthrace/open-keychain
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

some playing with content stream decryption and providing the result as content stream

Browse Source
This commit is contained in:
Thialfihar
2010-07-09 11:28:39 +00:00
parent f03b349057
commit 3ac472125a
3 changed files with 116 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
src/org/thialfihar/android/apg/Apg.java
View File

@@ -37,7 +37,6 @@ import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Vector;
import java.util.regex.Pattern;
@@ -118,7 +117,8 @@ public class Apg {
public static final String EXTRA_STATUS = "status";
public static final String EXTRA_ERROR = "error";
public static final String EXTRA_DECRYPTED_MESSAGE = "decryptedMessage";
public static final String EXTRA_ENCRYPTED_MESSAGE = "decryptedMessage";
public static final String EXTRA_ENCRYPTED_MESSAGE = "encryptedMessage";
public static final String EXTRA_RESULT_URI = "resultUri";
public static final String EXTRA_SIGNATURE = "signature";
public static final String EXTRA_SIGNATURE_KEY_ID = "signatureKeyId";
public static final String EXTRA_SIGNATURE_USER_ID = "signatureUserId";
@@ -1851,4 +1851,43 @@ public class Apg {
public static String getFullVersion(Context context) {
return "APG v" + getVersion(context);
}
public static String generateRandomString(int length) {
SecureRandom random = new SecureRandom();
/*
try {
random = SecureRandom.getInstance("SHA1PRNG", new BouncyCastleProvider());
} catch (NoSuchAlgorithmException e) {
// TODO: need to handle this case somehow
return null;
}*/
byte bytes[] = new byte[length];
random.nextBytes(bytes);
String result = "";
for (int i = 0; i < length; ++i) {
int v = ((int)bytes[i] + 256) % 64;
if (v < 10) {
result += (char)((int)'0' + v);
} else if (v < 36) {
result += (char)((int)'A' + v - 10);
} else if (v < 62) {
result += (char)((int)'a' + v - 36);
} else if (v == 62) {
result += '_';
} else if (v == 63) {
result += '.';
}
}
return result;
}
static long getLengthOfStream(InputStream in) throws IOException {
long size = 0;
long n = 0;
byte dummy[] = new byte[0x10000];
while ((n = in.read(dummy)) > 0) {
size += n;
}
return size;
}
}