Decrypt the data

[praveen4554]

Hi,

I have exported the key the way you suggest and encrypt the text in server and sending UInt8 Array and i would like to decrypt the data in IOS but i am getting following error 2020-01-19 17:02:41.715863-0600 Security App[60859:4066663] -[__NSDictionaryI length]: unrecognized selector sent to instance 0x7fbbd486f000 2020-01-19 17:02:41.796399-0600 Security App[60859:4066663] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSDictionaryI length]: unrecognized selector sent to instance 0x7fbbd486f000' *** First throw call stack: ( 0 CoreFoundation 0x0000000110d5c8db exceptionPreprocess + 331 1 libobjc.A.dylib 0x000000010ef15ac5 objc_exception_throw + 48 2 CoreFoundation 0x0000000110d7ac94 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132 3 CoreFoundation 0x0000000110d61623 forwarding + 1443 4 CoreFoundation 0x0000000110d63418 CF_forwarding_prep_0 + 120 5 Security 0x000000010f8c9153 PerformWithBigEndianToCCUnit + 48 6 Security 0x000000010f8c8fb3 SecKeyRSACopyDecryptedWithPadding + 272 7 Security 0x000000010f8c5b0b SecKeyRunAlgorithmAndCopyResult + 1032 8 Security 0x000000010f8c60a6 SecKeyCreateDecryptedDataWithParameters + 113 9 Security App 0x000000010dfb08ce $s12Security_App14ViewControllerC17decryptAndDisplayyyF + 846 10 Security App 0x000000010dfafea1 $s12Security_App14ViewControllerC12generateKeysyyypFys5Int32VcfU_ySDySSypG_SStcfU + 897 11 Security App 0x000000010dfb206d $s12Security_App14ViewControllerC12generateKeysyyypFys5Int32VcfU_ySDySSypG_SStcfU_TA + 13 12 Security App 0x000000010dfad5e4 $s12Security_App10APIManagerC18fetchEncryptedData3url4data10onCompleteySS_AA12RequestModelVySDySSypG_SStctFZy9Alamofire0F8ResponseVy10Foundation0F0VGcfU + 2212 13 Security App 0x000000010dfae1e1 $s12Security_App10APIManagerC18fetchEncryptedData3url4data10onCompleteySS_AA12RequestModelVySDySSypG_SStctFZy9Alamofire0F8ResponseVy10Foundation0F0VGcfU_TA + 17 14 Alamofire 0x000000010e45d7ab $s9Alamofire11DataRequestC8response5queue0D10Serializer17completionHandlerACXDSo012OS_dispatch_E0CSg_xyAA0B8ResponseVy16SerializedObjectQzGctAA0bkF8ProtocolRzlFyycfU_yycfU + 411 15 Alamofire 0x000000010e466938 $s9Alamofire11DataRequestC8response5queue0D10Serializer17completionHandlerACXDSo012OS_dispatch_E0CSg_xyAA0B8ResponseVy16SerializedObjectQzGctAA0bkF8ProtocolRzlFyycfU_yycfU_TA + 40 16 Alamofire 0x000000010e4157ed $sIeg_IeyB_TR + 45 17 libdispatch.dylib 0x0000000111c9ad7f _dispatch_call_block_and_release + 12 18 libdispatch.dylib 0x0000000111c9bdb5 _dispatch_client_callout + 8 19 libdispatch.dylib 0x0000000111ca9080 _dispatch_main_queue_callback_4CF + 1540 20 CoreFoundation 0x0000000110cc3a79 CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE + 9 21 CoreFoundation 0x0000000110cbe126 __CFRunLoopRun + 2310 22 CoreFoundation 0x0000000110cbd4d2 CFRunLoopRunSpecific + 626 23 GraphicsServices 0x0000000115f342fe GSEventRunModal + 65 24 UIKitCore 0x000000011894bfc2 UIApplicationMain + 140 25 Security App 0x000000010dfb26bb main + 75 26 libdyld.dylib 0x0000000111d10541 start + 1 27 ??? 0x0000000000000001 0x0 + 1 ) libc++abi.dylib: terminating with uncaught exception of type NSException