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2014/10/15 ¤U¤È 10:05:06

iphone Programming Glossary: checksum

Compute a checksum on the iPhone from NSData

http://stackoverflow.com/questions/1028742/compute-a-checksum-on-the-iphone-from-nsdata

a checksum on the iPhone from NSData Using the iPhone SDK I'm having the user select images from the image picker. If the user selects.. to make sure other things work for now is to save the image to a file need to do this anyway for other reasons using a checksum of the NSData as the filename. Then when they select the same image later on the checksum will be the same and so I can.. for other reasons using a checksum of the NSData as the filename. Then when they select the same image later on the checksum will be the same and so I can see that a file with that name already exists hurrah However I've scoured the internet and..

Does Apple modify iOS application executables on apps submitted to the App Store?

http://stackoverflow.com/questions/5784169/does-apple-modify-ios-application-executables-on-apps-submitted-to-the-app-store

this question The application executable is encrypted by Apple when released on the App Store so self running a checksum on your own binary is not a good idea ”you cannot know the file size of the encrypted binary in advance Mind you the binary..

Xcode malloc error

http://stackoverflow.com/questions/7214175/xcode-malloc-error

It will usually be ignore if I wait a few seconds once the game is loaded malloc error for object 0x55ac484 incorrect checksum for freed object object was probably modified after being freed. set a breakpoint in malloc_error_break to debug 1 How can..

Encrypting SQLite Database file in iPhone OS

http://stackoverflow.com/questions/929744/encrypting-sqlite-database-file-in-iphone-os

are Make it non trivial to hack sensitive data Have a simple way to discover if data has been altered some kind of checksum iphone sqlite ios encryption checksum share improve this question You cannot trust the client period. If your standalone.. data Have a simple way to discover if data has been altered some kind of checksum iphone sqlite ios encryption checksum share improve this question You cannot trust the client period. If your standalone app can decrypt it so will they...