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Questions tagged [objective-c]

Objective-C is a reflective, object-oriented programming language that adds Smalltalk-style messaging to the C programming language.

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Is Objective C (really) affected by buffer overflows?

I'm trying to find a buffer overflow sample code in Objective-C but the only samples I found are written in C (without "bracket style"). I understand that Objective-C is based on C, but are there any ...
2
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1answer
94 views

How to Manage Public Key with Asymmetric Cryptography

I'm working on an iOS chat project using Firebase RealTime Database. I want to use asymmetric cryptography for the management of messages between two users .. Browsing the net I found an excellent ...
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2answers
888 views

Can I store a pair of keys on iOS secure element?

I would like to know if I can use the iPhone's secure element to store a pair of keys. I need to store them in the safest emplacement, and I can't think of a better one than the secure element.
5
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1answer
371 views

How to encrypt data using the iOS secure element?

I would like to know if there's a way to encrypt/decrypt data using the iOS secure element chip (Java card). Or does the keychain already use it?
3
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2answers
2k views

Mitigating SSL bypassing on iOS

I am trying to mitigate SSL bypassing on a jailbroken iOS. I am unable to find any good work around as Mobile Substrate and SSL kill switch are able to bypass SSL. I have tried two things: SSL ...
2
votes
1answer
763 views

Code analyzer for Objective C? [closed]

Has anyone come across a code analyzer that could be run on OS other than Mac to scan for Objective C (for iOS) code?
2
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1answer
2k views

Which crypto-algorithem uses iOS in NSDataWritingFileProtection and what is the keysize?

I need to know the crypto algorithm and key strength of NSDataWritingFileProtection. I would like to know the same things for using the Keychain and NSFileManager. I searched the Apple Developer ...
10
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3answers
2k views

Are there any established secure coding guidelines available for mobile devices?

I am looking for secure coding guidelines especially for mobile devices (Android and iOS). The languages I am interested in are Objective-C, JAVA and HTML5. Would it be a good approach to use a "...