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  • 2 Post By mhart343
  1. mhart343's Avatar
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    Thread AuthorThread Author   #1  

    Default Secure your pin2pin messages on BlackBerry

    For the longest time I was told that using my BlackBerry 9930 on BIS, I would not be able to send secure text/email/pin2pin messages etc. Or at least not as secure as if I was on a BES. Recently I found a way to send a pin message from one blackberry to another using a password to encrypt the message. I'm not sure having just figured this out if this is a 9930 or 7.1 os only feature etc but figured I would share it in the general forum for those who don't yet know about it and are as security conscious/paranoid as me. Not sure how secure it actually is but has to be better then the regular pin2pin.

    1) Select contact from contact list that has a BlackBerry pin saved.
    2) Hit the menu button and select option to send a pin message to that contact.
    3) Go up to where it says encoding and select s/mime (encrypt)
    4) Once S/mime (encrypt) has been selected hit the BlackBerry button and select options. Scroll down to select use password based encryption, hit the BB button and save.
    5)Type message keeping in mind the subject line will not be encrypted.
    6) Hit the BB button and send
    7) Enter the password the recipient will need to enter upon receiving the message in order to decrypt an read it.
    8) Once password has been entered twice, select ok to send your encrypted message to your contact. Once they enter the password on their phone they will be able to read the body of the message.

    Happy Messaging!
    BocaJuniors and Ben1232 like this.
  2. #2  

    Default Re: Secure your pin2pin messages on BlackBerry

    Cool find. Works as far back as my 9700 / OS5.

    This deserves to go into the Tips, How To & FAQ Forum
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  3. belfastdispatcher's Avatar
    CrackBerry Genius of Geniuses

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    #3  

    Default Re: Secure your pin2pin messages on BlackBerry

    Very cool find, it's going in my memo pad.
  4. torrado Williams's Avatar
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    #4  

    Default

    Nice trick will test on my berry
  5. mhart343's Avatar
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    Thread AuthorThread Author   #5  

    Default

    Gold star to anyone who can figure out if there is a way to automatically use this every time you send a pin to pin without having to go to options all the time
  6. traveler20's Avatar
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    #6  

    Default

    Thereís one small problem with this. According to RIM, S/MIME is only supported within a BES environment (according to all of their support documentation). If your 9930 is also on a BES, this would explain it.

    However, I just checked my 9930 and found Iíve got the same encoding options and Iím NOT on a BES system. But I do have the BB Redirector running, so Iíve got the app-generated keys, as well as personal and work email keys loaded in this device, so Iím also puzzled.

    Iím at least as security conscious/paranoid as you, perhaps more so, so I would like to use this, too, assuming I can find anyone else I know who has a Blackberry (not easy these days).

    But also, donít you need to have a key exchange with the intended user so you can encrypt back to them? It appears that the 9930 can do that only with a PIN message (sign but donít encrypt), but thereís nothing documented about saving the key from an incoming message (or PIN).
  7. #7  

    Default

    Password is accepted as in the first post. If necessary you could use any out of band method to communicate the password you will use with each recipient.
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  8. traveler20's Avatar
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    #8  

    Default

    I think you have this confused with another service. SMIME never exchanges passwords, only public keys and encrypted content.

    Each recipient uses their own private key to decrypt something thatís been encrypted (for them) using the intended recipientís public key. This method allows you to freely give out your own public key through non-secure channels, since only you can de-crypt it. BES and the Blackberry Redirector do this automatically and the result is a fully secure channel that quite a few governments are not able to crack
  9. mhart343's Avatar
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    Thread AuthorThread Author   #9  

    Default

    Basically you are creating your own key. As I see my friends in person I have told them what the password will be as to not tell them over unsecured text etc. Just an option that happens to work over BIS...but as was pointed out it's hard finding BlackBerry users nowadays. My only security related question with this is the password you create for the other person to enter encrypted when it is being sent or could it be found in the first few lines of code.
  10. mhart343's Avatar
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    Thread AuthorThread Author   #10  

    Default

    I'm not sure if it uses the same type of smime encryption as in BES, I was only going by the fact that when I was doing this it says smime encrypt under the encoding type at the top of the message.
  11. calvinbensn's Avatar
    CrackBerry Newbie

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    #11  

    Default

    Is that really a system? Well I like to keep the files secured but am not as paranoid as You are. So I don't like taking much efforts for doing same. If there is some simple way out, its well and good. If not I can manage without. Anyways thanks for letting us know of that.
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