How can i change the colour of the keys on my mac? is it possible to get them changed?

i was looking at a macbook i was today and it's keys on the keyboard were in a rainbow formation, with different colours. Is there a way to bring mine in to change the colours of the keys? or did i have to order it like that?

Ask the person who owned the computer or do a Google & Bing search.

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The .DS_Store file is normal. It holds certain settings related to the folder it is found in. Removing these files is futile, as they will come back, as you have observed.
If you are seeing them on your Mac, that means you have changed settings so that your Mac is showing invisible files in the Finder. To reverse that, run the following command in the Terminal:
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How can we remove the key from the dataset which has json

uid
id
Json
4588
51
{ "key": "1/0/234", "element1":{ "a":10 "b": "test1" } }
4589
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{ "key": "1/0/234", "element1":{ "a":10 "b": "test1" } }
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{ "key": "1/0/234", "element1":{ "a":10 "b": "test1" } }
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4589
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{ "element1":{ "a":10 "b": "test1" } }
4590
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{ "element1":{ "a":10 "b": "test1" } }
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Hello Mudassar,
In SQL Server / T-SQL we don't have a native JSON support, so you would have to implement a solution on your own = parsing the string and remove the "Key" + it's value.
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Sorry if that sounded not very helpful, but basically it comes down to that. Not much can improve the performance of machine of that vintage, to stand up to a current model, unless you spend almost as much on upgrades (some of which to consider are listed below).
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http://www.lowendmac.com/ppc/digital-audio-power-mac-g4.html
http://eshop.macsales.com/Descriptions/specs/Framework.cfm?page=g4da.html&title= Power%20Macintosh%20G4%20Digital%20Audio
or is it some other model?
Here are some CPU upgrades, for example:
http://eshop.macsales.com/MyOWC/Upgrades.cfm?sort=pop&model=162&type=Processor&T I=2420&shoupgrds=Show+Upgrades
you can even get a small rebate for your original CPU
http://eshop.macsales.com/Service/rebate-program/
Any of those CPUs should double your processing speed, but you may also need more RAM...or the CPU will just be waiting for data to be read from the virtual memory on the hard drive.
http://eshop.macsales.com/item/Other%20World%20Computing/133SD512328/
you could max it out with a whopping 1.5 GB, with 3 of these.
and you may need a better video card...
http://eshop.macsales.com/MyOWC/Upgrades.cfm?sort=pop&model=162&type=Video&TI=29 34&shoupgrds=Show+Upgrades
To add larger and faster hard drives than the original Ultra ATA/66 can handle you would need a PCI ATA133 or PCI SATA card...
http://eshop.macsales.com/item/ACARD/AEC6280MOB/
http://eshop.macsales.com/item/Sonnet%20Technology/TSATA/
And if you need to install OS X from a DVD, and want to burn your own DVD, you may need a new optical drive, if one hasn't been installed already, to replace the CD-RW:
http://eshop.macsales.com/MyOWC/Upgrades.cfm?Model=162&Type=InternalOpticalDrives&sort=pop
Also, check out the Power Macintosh G4 forums if you have any questions about that particular model, (if I guessed correctly)
http://discussions.apple.com/category.jspa?categoryID=113
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Are u trying to write a Spy program. :)

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Marc Bublitz wrote:
I thought that originally too, but that's all changed with the pool of apps that are out there now. So now what I'm trying to do is to prove that technology is progressing to the point where a tiny, handheld phone can produce images that are nearly as good as photos taken with much more expensive and bulky equipment. I've got my share of expensive bulky camera equipment, but I'm finding that I'm having much more enjoyment out of using my iPhone from initial capture, to editing, to publishing, and achieving results that are nearly as good.
I do think you're working under a bit of a handicap. For example, lens quality. Here's an iPhone photo example of some wild turkeys in the neighborhood masked by flare that would be much better controlled on an SLR lens (click to enlarge - the flare is obvious, the turkeys are not):
At the same time, working under a handicap can definitely spur creativity, similar to the oft-cited example of swapping out your zoom lens for a prime to force yourself to pay attention to composition.
It's an interesting concept - I wish you luck!

How can we trape the Keys Pressed on the Keyboard and do action depending on the keys

I want to know how we can capture the keys pressed on the keyboard by the user and do necessary action depending on the key pressed by the user....
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Can anyone tell me how i can do this in Form 6i....
Please Help me out from this problem...
Thanks in Advance
Shan

Can somebody point me to what I need to use to
intercept all the 'keys' for an application.
At the moment I have set Focus to parts of the
application when the Mouse is over it, and then get
the Keys with a KeyListener.
Is there a way to get the keys, as long as the Java
app is active.
- Its an image display program, and I want to use keys
for - next image , zooom etc etc.
If soemone could just point me to the right part of
the API to look in?java.awt.Toolkit.addAWTEventListener()
then use the mask defined in AWTEvent.KEY_EVENT_MASK to listen to all the events.
Steve

In phone contact I don't get a keypad when trying to search, edit or add contacts how can I make the key pad appear?

Since updating with 7.1 I no longer get a keypad appearing when I try to search, edit or add contacts in the phone - how can I get the keypad to appear?

Hello there, English Springer Spaniel.
The following Knowledge Base article offers some great steps for troubleshooting an app that isn't performing as expected:
iOS: Understanding multitasking
http://support.apple.com/kb/ht4211
If an app doesn't respond to your input, or doesn't perform as expected, do the following, testing after each step:
Check for app updates.
Force the app to close.
Restart your device.
Update your iOS device.
Learn more about troubleshooting apps.
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

How Can i use the key file Generated by RSACryptoServiceProvider to encrypt with php?

I need to be able to encrypt data in PHP using a public key generate by .NET(RSACryptoServiceProvider). I will then decrypt the data later in C# using the private key.
Code Snippet
<RSAKeyValue><Modulus>xU5JyaPNDKXI/h/uo5Vk89wZSz3zsB1+c+1IMYIQa+mCmuRCRPuoBI7ODSV2ndP6grfhdrWEzhpZtkI3SThbBh/3t+tfZ2PF8Iyv9ECN07V64nPCiJGhAnfENE+J9UD9Kw5czXHgZcBbpM5N0VfXmLSleaS65DDoNPtoStVy7ss=</Modulus><Exponent>AQAB</Exponent>4ScAjVrPZii/6lICAP2yDQiNEmNL74+5AcxNVDI0IombfDPIygrqEWmuDu0pngApQak7XnEnLbaDChILFiHPZQ==<Q>4FaYlse+cjrlPD/jk+GsTJeuP7yuQx8ztjVnQWVh6GKQP+uk1dAl6kcZOfLNR6LWwE3CSygt8PthTEw96Zbabw==</Q><DP>XvXtNLE9UjATqYeHEtXtV7Pok/3PVC3A8PIzFzTJaluxeXP51sU9rbRt1hvO9rXIsMnooU+GH7Cfmgq8JEyERQ==</DP><DQ>HXkC/vwq9xLpvuqd2XXSjxV2XQVK16Knxo5pjFvnawJX9S3eMADymj7Q/534firUj9snZXxX3MsJ015I3AFnnQ==</DQ><InverseQ>AM0fVCE3n2FKf2zb3CcDEge1Ko35VvMEL+LXgR87QwO2HScZSuLevGLi2SSAkB1vu8RSNzB028SZReeOZWnq4Q==</InverseQ><D>fI+GKdRNOTTYhQZnw8Im74T+OvArjf2wvUMJlqfD8jyDBYIhDCfL1MTK9KW4Er+moSuxHR5Pb0ZXaKa4/HKlk0aJ1jB2C+jg7zTSuPRNuS16BpVHaJYsQurCwZwElXMum+GxeXK/h3wXWq5HwebjqZr0aLUMZKRcweDPRoVFiRE=</D></RSAKeyValue>
As you see this code snippet is a xml format private key. at .net platform,which can use encrypt or dencrypt.
i have try the Extension Crypt RSA ( http://pear.php.net/reference/Crypt_RSA-1.0.0/elementindex_Crypt_RSA.html ) to help me encrypt data by php.but it haven't return a currect result. the data encrypted by php cann't dencrypt by c#.
does the RSA algorithm provider by Crypt_RSA can give a stand result as c#?
BTW :i just use the xmlkeystring like this.
Code Snippet
<?php
require_once("Crypt/RSA.php");
require_once("includes/Utils.class.php");
 $public_key_string = simplexml_load_string("<RSAKeyValue><Modulus>xU5JyaPNDKXI/h/uo5Vk89wZSz3zsB1+c+1IMYIQa+mCmuRCRPuoBI7ODSV2ndP6grfhdrWEzhpZtkI3SThbBh/3t+tfZ2PF8Iyv9ECN07V64nPCiJGhAnfENE+J9UD9Kw5czXHgZcBbpM5N0VfXmLSleaS65DDoNPtoStVy7ss=</Modulus><Exponent>AQAB</Exponent>4ScAjVrPZii/6lICAP2yDQiNEmNL74+5AcxNVDI0IombfDPIygrqEWmuDu0pngApQak7XnEnLbaDChILFiHPZQ==<Q>4FaYlse+cjrlPD/jk+GsTJeuP7yuQx8ztjVnQWVh6GKQP+uk1dAl6kcZOfLNR6LWwE3CSygt8PthTEw96Zbabw==</Q><DP>XvXtNLE9UjATqYeHEtXtV7Pok/3PVC3A8PIzFzTJaluxeXP51sU9rbRt1hvO9rXIsMnooU+GH7Cfmgq8JEyERQ==</DP><DQ>HXkC/vwq9xLpvuqd2XXSjxV2XQVK16Knxo5pjFvnawJX9S3eMADymj7Q/534firUj9snZXxX3MsJ015I3AFnnQ==</DQ><InverseQ>AM0fVCE3n2FKf2zb3CcDEge1Ko35VvMEL+LXgR87QwO2HScZSuLevGLi2SSAkB1vu8RSNzB028SZReeOZWnq4Q==</InverseQ><D>fI+GKdRNOTTYhQZnw8Im74T+OvArjf2wvUMJlqfD8jyDBYIhDCfL1MTK9KW4Er+moSuxHR5Pb0ZXaKa4/HKlk0aJ1jB2C+jg7zTSuPRNuS16BpVHaJYsQurCwZwElXMum+GxeXK/h3wXWq5HwebjqZr0aLUMZKRcweDPRoVFiRE=</D></RSAKeyValue>");
 $key =new Crypt_RSA_Key(base64_decode($public_key_string->Modulus),base64_decode($public_key_string->Exponent),"public");
 echo "<pre>";
 print_r($key);
 echo "</pre>";
 $rsa_obj = new Crypt_RSA();
 //try encrypt data
 echo "encrypted result is: ".$rsa_obj->encrypt("this is a smple text.",$key)
 ?>
but the encrypted data cann't decrypt by c#?where is the problem?what should i do with php codes?

thank you for your reply, i also found this article by google.but this does not meet scene, thank you all the same.
i have already solved the problem now,i'd like to post the Solution .infact it's so easy to use rsakey file generated by .net .
-------------rsa.class.php-------------------
Code Snippet
<?php
* Some constants
define("BCCOMP_LARGER", 1);
class RSA
* PHP implementation of the RSA algorithm
* (C) Copyright 2004 Edsko de Vries, Ireland
* Licensed under the GNU Public License (GPL)
* This implementation has been verified against [3]
* (tested Java/PHP interoperability).
* References:
* [1] "Applied Cryptography", Bruce Schneier, John Wiley & Sons, 1996
* [2] "Prime Number Hide-and-Seek", Brian Raiter, Muppetlabs (online)
* [3] "The Bouncy Castle Crypto Package", Legion of the Bouncy Castle,
* (open source cryptography library for Java, online)
* [4] "PKCS #1: RSA Encryption Standard", RSA Laboratories Technical Note,
* version 1.5, revised November 1, 1993
* Functions that are meant to be used by the user of this PHP module.
* Notes:
* - $key and $modulus should be numbers in (decimal) string format
* - $message is expected to be binary data
* - $keylength should be a multiple of 8, and should be in bits
* - For rsa_encrypt/rsa_sign, the length of $message should not exceed
* ($keylength / 8) - 11 (as mandated by [4]).
* - rsa_encrypt and rsa_sign will automatically add padding to the message.
* For rsa_encrypt, this padding will consist of random values; for rsa_sign,
* padding will consist of the appropriate number of 0xFF values (see [4])
* - rsa_decrypt and rsa_verify will automatically remove message padding.
* - Blocks for decoding (rsa_decrypt, rsa_verify) should be exactly
* ($keylength / 8) bytes long.
* - rsa_encrypt and rsa_verify expect a public key; rsa_decrypt and rsa_sign
* expect a private key.
* rsa encrypt data
* @param binary string $message
* @param unknown_type $public_key
* @param numbers $modulus
* @param numbers $keylength
* @return binary data
function rsa_encrypt($message, $public_key, $modulus, $keylength)
 $padded = RSA::add_PKCS1_padding($message, true, $keylength / 8);
 $number = RSA::binary_to_number($padded);
 $encrypted = RSA::pow_mod($number, $public_key, $modulus);
 $result = RSA::number_to_binary($encrypted, $keylength / 8);
 return $result;
function rsa_decrypt($message, $private_key, $modulus, $keylength)
 $number = RSA::binary_to_number($message);
 $decrypted = RSA::pow_mod($number, $private_key, $modulus);
 $result = RSA::number_to_binary($decrypted, $keylength / 8);
 return RSA::remove_PKCS1_padding($result, $keylength / 8);
function rsa_sign($message, $private_key, $modulus, $keylength)
 $padded = RSA::add_PKCS1_padding($message, false, $keylength / 8);
 $number = RSA::binary_to_number($padded);
 $signed = RSA::pow_mod($number, $private_key, $modulus);
 $result = RSA::number_to_binary($signed, $keylength / 8);
 return $result;
function rsa_verify($message, $public_key, $modulus, $keylength)
 return RSA::rsa_decrypt($message, $public_key, $modulus, $keylength);
function rsa_kyp_verify($message, $public_key, $modulus, $keylength)
 $number = RSA::binary_to_number($message);
 $decrypted = RSA::pow_mod($number, $public_key, $modulus);
 $result = RSA::number_to_binary($decrypted, $keylength / 8);
 return RSA::remove_KYP_padding($result, $keylength / 8);
* The actual implementation.
* Requires BCMath support in PHP (compile with --enable-bcmath)
// Calculate (p ^ q) mod r
// We need some trickery to [2]:
// (a) Avoid calculating (p ^ q) before (p ^ q) mod r, because for typical RSA
// applications, (p ^ q) is going to be _WAY_ too large.
// (I mean, __WAY__ too large - won't fit in your computer's memory.)
// (b) Still be reasonably efficient.
// We assume p, q and r are all positive, and that r is non-zero.
// Note that the more simple algorithm of multiplying $p by itself $q times, and
// applying "mod $r" at every step is also valid, but is O($q), whereas this
// algorithm is O(log $q). Big difference.
// As far as I can see, the algorithm I use is optimal; there is no redundancy
// in the calculation of the partial results.
function pow_mod($p, $q, $r)
 // Extract powers of 2 from $q
 $factors = array();
 $div = $q;
 $power_of_two = 0;
 while(bccomp($div, "0") == BCCOMP_LARGER)
 $rem = bcmod($div, 2);
 $div = bcdiv($div, 2);
 if($rem) array_push($factors, $power_of_two);
 $power_of_two++;
 // Calculate partial results for each factor, using each partial result as a
 // starting point for the next. This depends of the factors of two being
 // generated in increasing order.
 $partial_results = array();
 $part_res = $p;
 $idx = 0;
 foreach($factors as $factor)
 while($idx < $factor)
 $part_res = bcpow($part_res, "2");
 $part_res = bcmod($part_res, $r);
 $idx++;
 array_push($partial_results, $part_res);
 // Calculate final result
 $result = "1";
 foreach($partial_results as $part_res)
 $result = bcmul($result, $part_res);
 $result = bcmod($result, $r);
 return $result;
// Function to add padding to a decrypted string
// We need to know if this is a private or a public key operation [4]
function add_PKCS1_padding($data, $isPublicKey, $blocksize)
 $pad_length = $blocksize - 3 - strlen($data);
 if($isPublicKey)
 $block_type = "\x02";
 $padding = "";
 for($i = 0; $i < $pad_length; $i++)
 $rnd = mt_rand(1, 255);
 $padding .= chr($rnd);
 else
 $block_type = "\x01";
 $padding = str_repeat("\xFF", $pad_length);
 return "\x00" . $block_type . $padding . "\x00" . $data;
// Remove padding from a decrypted string
// See [4] for more details.
function remove_PKCS1_padding($data, $blocksize)
 assert(strlen($data) == $blocksize);
 $data = substr($data, 1);
 // We cannot deal with block type 0
 if($data{0} == '\0')
 die("Block type 0 not implemented.");
 // Then the block type must be 1 or 2
 assert(($data{0} == "\x01") || ($data{0} == "\x02"));
 // Remove the padding
 $offset = strpos($data, "\0", 1);
 return substr($data, $offset + 1);
// Remove "kyp" padding
// (Non standard)
function remove_KYP_padding($data, $blocksize)
 assert(strlen($data) == $blocksize);
 $offset = strpos($data, "\0");
 return substr($data, 0, $offset);
// Convert binary data to a decimal number
function binary_to_number($data)
 $base = "256";
 $radix = "1";
 $result = "0";
 for($i = strlen($data) - 1; $i >= 0; $i--)
 $digit = ord($data{$i});
 $part_res = bcmul($digit, $radix);
 $result = bcadd($result, $part_res);
 $radix = bcmul($radix, $base);
 return $result;
// Convert a number back into binary form
function number_to_binary($number, $blocksize)
 $base = "256";
 $result = "";
 $div = $number;
 while($div > 0)
 $mod = bcmod($div, $base);
 $div = bcdiv($div, $base);
 $result = chr($mod) . $result;
 return str_pad($result, $blocksize, "\x00", STR_PAD_LEFT);
?>
-------------RSAProcessor.class.php------------------------
Code Snippet
<?php
require_once("rsa.class.php");
class RSAProcessor
private $public_key = null;
private $private_key = null;
private $modulus = null;
private $key_length = "1024";
public function __construct($xmlRsakey=null,$type=null)
 $xmlObj = null;
 if($xmlRsakey==null)
 $xmlObj = simplexml_load_file("xmlfile/RSAKey.xml");
 elseif($type==RSAKeyType::XMLFile)
 $xmlObj = simplexml_load_file($xmlRsakey);
 else
 $xmlObj = simplexml_load_string($xmlRsakey);
 $this->modulus = RSA::binary_to_number(base64_decode($xmlObj->Modulus));
 $this->public_key = RSA::binary_to_number(base64_decode($xmlObj->Exponent));
 $this->key_length = strlen(base64_decode($xmlObj->Modulus))*8;
* get public key
* @return string public key
public function getPublicKey()
 //return base64_encode(RSA::number_to_binary($this->public_key,($this->key_length)/8));
 return $this->public_key;
public function getPrivateKey()
 //return base64_encode(RSA::number_to_binary($this->private_key,($this->key_length)/8));
 return $this->private_key;
public function getKeyLength()
 return $this->key_length;
public function getModulus()
 return $this->modulus;
* encrypt data
* @param string $data
* @return base64 encoded binary string
public function encrypt($data)
 return base64_encode(RSA::rsa_encrypt($data,$this->public_key,$this->modulus,$this->key_length));
public function dencrypt($data)
 return RSA::rsa_decrypt($data,$this->private_key,$this->modulus,$this->key_length);
public function sign($data)
 return RSA::rsa_sign($data,$this->private_key,$this->modulus,$this->key_length);
public function verify($data)
 return RSA::rsa_verify($data,$this->public_key,$this->modulus,$this->key_length);
class RSAKeyType
const XMLFile = 0;
const XMLString = 1;
?>
-------------- encrypt data with public key-----------------
Code Snippet
<?php
require_once("RSAProcessor.class.php");
$processor = new RSAProcessor
("<RSAKeyValue><Modulus>m6ljoeWhmnd0oRnsVEH5iNw3B8+vKVu7v7CVfMyf6bnKEzHa62TRmT/baJiSevoI/vgm2ph/s1JrQQTaGiErHicigwSC
Aw7+i05WFbnz7tOyiiJJVMfsdd+v7Xan9Hiud05FzxoMbM8vpiMHPEIDbGJ1MiXyupTVkz2WcMHyBoJ4S189opktZ43pviUhy0PeuWkyoU7zR54akPmK
Yg+z5Zr1r7K8lUZ1a3TThfJGxTQR/uZMtZz/q8QF0AANVQ/eyahTv9icBzBoDuncS0Y5l3vqogW1C/ltJvhJpvSn/OgjbRjuixCAptOUmRd13sDWU95/
x0bMq+Lg68lj2OjJ1Q==</Modulus><Exponent>AQAB</Exponent>zfvdBsMLlmo+4PAUYLgSV2xyyVa7ZqFjkJaAE4EbYuH24EoZjrzeiJR++D
FUT/GUhjfZ5eZ/5e29dXwk0sKUw6nHzBdBtOPp5fr4t5SKLEcWY+J+zLUSOlhG9NUkohFf6+Miy2Y7BLpXVrcl6UwXV0ak8KkTPB2l/aIMwYj5dgc=<Q>wXV0sA3nDzoSDQA/4QSu/WIlBhkA3jZ7K7G9Z9rpP1A0vH+bZeyCIyo52u8ahGuYbubaizF1XMp+Xv3Mh2KmRbt7+UptwEwbFAUiiad2a312mqm
j7IJd7gRjGkyzKEm+6fpNeY3NFLNVNhccBqzhNkRoM22xnvQcImD10XVAakM=</Q><DP>wd1HdCLEWCfc0DYE59a2pINUMXyo2foRTDbpifHcRZ+ojAY
Rsc6+nsssCQnccXVMNVqBgSgEvfGYe+eAfMBX5SN5APPuioJrVGF2DsoFlZC+WPoGH0JYSoNlHO8yEDrMDaXzzH2GFHgQ1XOAged0nFbHzB1FFjJNVL5
cxRXWu6c=</DP><DQ>QDKuCk5SwubOXqoaiJ15RHRxPNjHRPZnYVSWOgSXKn9/QJ5H/0bA2NKGaHS4JAFgkEzjcRV0kNpRnUwztymxa6qPtWZRjWK0Ca
y6jVuZHIqB9UkeMLoCWZ3zFSMmwNPYGuUJGLFJwPjR6iU5E64C/nMs8QQR0WHIhFAQwvVZ7uk=</DQ><InverseQ>JckMSlJR10VZdnp83VPjrZ/Z+63
CGu3tWHm7f4DJ8IwjJWr8FlCpbSwiP6a4e9Upv6bUn/tOj2gY6MMq5G5yTKm2SCRvpUKRu4NCmWAt7vlFv0Z6pkXlTOpzvVjv3v16+dIZOA5Zn+v7+r1
xbdYdH20KRAbiBO3MfQP7s+VJJvM=</InverseQ><D>W1xrBr2hQOj1wgxWAgoK7IHbprEFrK+TnWmGA46SGPsbmHJ9fAVbY6fwHg7Wgmk4WHXLUCeLY
/Nu0eWIISfwh60Oe3ls2WC2k4qxyeSvQDBuLNb81U7WAUT9m9E1uK4QMCP3oxs1ybM80zTh7UMNgVK0WG+fbFUomVffcWTTqW+Fu12PEIO+UR/85oq+x
qVlTzYAEzt1OE9IhkYiRzi99ePXeH2gFltzJ/fb/7jLsDTkhM2eiYTGyOTZmBnen6c6a8b9LFTY4Bc0bGpk5ezHkub6F8p2ZgL/JgIOJMyRZICjDjs+9
k9PTmMTFsCF6xzHY15Fg25xIDYzIyx1rrRUjQ==</D></RSAKeyValue>",RSAKeyType::XMLString);
$rs = $processor->encrypt("Hello,It's Works.");
echo $rs;
?>
with the front codes.you can easy to encrypt data by public key generate by .net programe.

How can i change the colour of the keys on my mac? is it possible to get them changed?

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