Gpg for iPhone or iPad

Sascha Kiefer sk at
Sun Jan 23 18:13:33 CET 2011

I am (slowly) working on a Mono Pgp Library to use it in a MonoTouch
I'm doing it from scratch, using the RFC as a reference only.
Anybody interested to participate, just message me and I will get you access
on the github rep.


-----Original Message-----
From: gnupg-users-bounces at [mailto:gnupg-users-bounces at]
On Behalf Of Charly Avital
Sent: Sunday, January 23, 2011 5:48 PM
To: Benjamin Donnachie
Cc: gnupg-users at; Michael Dansie
Subject: Re: Gpg for iPhone or iPad

Benjamin Donnachie wrote the following on 1/23/11 7:08 AM:
> There's oPenPG Lite available from the App Store but it doesn't work
> with my private key! YMMV of course!
> Ben

oPenGP Lite (couldn't find any version without the 'Lite').
This version works one way, it decrypts only, doesn't encrypt.
This is a PGP Corporation (owned by Symantec now) App, hence the upper
case PGP in oPenGP.

I don't know whether there is, or will be, a Mobile GnuPG what will work
under iPhone or iPad iOS.

I generated on my Mac a new key pair (default RSA/RSA 2048). I didn't
want to use my "regular" key.

Exported the secret key to the Mac's Desktop.

Connected the iPhone via iTunes (hardwired USB)

Imported the secret key to the iPhone via iTunes and an App called
'Files' <>.

In 'Files' I could see the key block, select all/copy.

Back to oPenGP, Import clipboard, ascertained that the key is now in the

Back to 'Files', set an access locked code. Checked that it works.
Deleted the secret key keyblock.

Sent myself a test message encrypted with the public key of the above

Downloaded the e-mail in iPhone, select all/copy.

Back to oPenGP, Import/Decrypt Clipboard, enter the passphrase.

It works.

I don't feel at ease having my secret key in my iPhone, but i can learn
to live with it, if I really want to use this iPhone feature.
I'm not sure I want to.


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