Encryption result with iPhone 14 devices

Question

OJDee OP

Created Nov ’22

Replies 3

Boosts 0

Views 1.2k

Participants 4

Hi

I have code that uses SecKeyEncrypt to encrypt a string.

SecKeyEncrypt(publickeysi!, SecPadding.PKCS1, aString, aString.count, &messageEncrypted, &messageEncryptedSize)

This works across all devices, given identical source string, except the recently released iPhone 14 and Pro models. Simulator works across the board.

Is there any reason why these devices would result in a B64 encoded string along the lines of

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

where all other devices return an appropriate B64 string, such as

DNfdGmJW8DOeuwB9DZxMjY/qcJHgKCewMd/Hi3m1vkHxdRaeQbYvFbmnJwtcudnqm9cRiT/cee1ls5Hm6bcmVtGPf23O4SnOha97MhrJIaUWOumUdRfKd5PYVd74NVuWPfQ+VHlKFQtiVjBNvNntiZmadBEV95BwRcxFWSVLDG7tfgzM2tNvYsDG+ZwN0r3F1AX4IH/Ggor9Dk//26c5WZ50HzwfkeY122qMDIj2LDCUGXXhXzkvSyEYFReJhscwtXdDk1nN49jrDB5bEUD9Xn1xZzlghpcSNC4DKqP/3TSuwqcHZ7g/BfYcRVtXeWGqUxeeQcaTNulUggCWWGdtJw==

It appears that SecKeyEncrypt is deprecated in iOS 15 but I am struggling to find an appropriate alternative if that is even the issue.

Thanks

Boost

Answer 1

endecotp OP

Nov ’22

Do you check the OSStatus return value of SecKeyEncrypt ?

0

Answer 2

Oli Dainton OP

Nov ’22

Not able to since don't have access to iPhone14 device to debug.

Now trying SecKeyCreateEncryptedData(:,:,:,:) and pushing through TestFlight to test

0

Answer 3

Gudni OP

Dec ’22

Hi have you found out what's going on. I'm having the same issue.

0