One more thing - don't forget to decode before you decrypt.
On Sat, Apr 26, 2014 at 9:52 AM, Mike Kerner <mikeker...@roadrunner.com>wrote: > Jim, > > There are two ways to do encryption on ios in LC: > 1) Monte has an encryption external in his mergEXT suite > 2) You can use the native code. The native code uses OpenSSL. Due to > some technical issues it CAN be less secure than the libraries that Monte > is using, but that is something for you to decide. > > You should also encode the encrypted data (AFTER encryption) to ensure > that it transports properly. > > The syntax looks like this, assuming: > * The data you want to encrypt is in "what" > * The cipher you want to use is aes-256 > * The key you want to use to do the encryption is in "theKey" > > > encrypt what using "aes-256-cbc" with theKey > put base64encode(it) into what #v. 1.6 was bit16 > > > From here you would either embed "what" into an email or write to a file > and attach the file. > > > If it was me, and I was helping you, I would suggest that you do not send > email from ios, but that you use dropbox, because if you send email, your > user will get a chance to see the email and thus screw something up, maybe > by sending the encrypted data to somewhere else, or if you are directly > embedding the "what" container in an email, by accidentally deleting or > adding a character, or maybe a helpful introduction like "Here's the > email", which will screw up your decryption, of course. > > Dropbox integration is fairly straightforward. Monte has a couple of > externals in the mergEXT suite, and there is also an open-source library > that several of us have worked on that works (but it is arguably not as > fast as Monte's external, because it relies on Dropbox's REST API, so your > app will, in effect, have to sit there while the file(s) transfer). > > > > On Sat, Apr 26, 2014 at 3:16 AM, Jim sims <s...@ezpzapps.com> wrote: > >> Am trying to figure out how to use the new Encrypt/Decrypt with iOS. >> >> I want to encrypt a few hundred words of data then send as a file >> attachment via email. I have zero idea what PEM format and such are. >> >> Anyone have a stack that shows how this is done? >> >> Would be great to have example stacks for new commands and features when >> new versions come out. >> >> sims >> _______________________________________________ >> use-livecode mailing list >> use-livecode@lists.runrev.com >> Please visit this url to subscribe, unsubscribe and manage your >> subscription preferences: >> http://lists.runrev.com/mailman/listinfo/use-livecode >> > > > > -- > On the first day, God created the heavens and the Earth > On the second day, God created the oceans. > On the third day, God put the animals on hold for a few hours, > and did a little diving. > And God said, "This is good." > -- On the first day, God created the heavens and the Earth On the second day, God created the oceans. On the third day, God put the animals on hold for a few hours, and did a little diving. And God said, "This is good." _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
