Why can't I use SecKeyCreateDecryptedData in ios10.2.x

Hi friends

i want to use secure enclave to iPad mini2(ios 10.2.1)



ex:

CFErrorRef err=nil;

CFDataRef result = SecKeyCreateDecryptedData(privateKey.m_underlying,kSecKeyAlgorithmECIESEncryptionStandardX963SHA256AESGCM, (__bridge CFDataRef)digest, &err);



but i got err

Error Domain=NSOSStatusErrorDomain Code=-50 "algid:encrypt:ECIES:ECDH:KDFX963:SHA256:AESGCM: algorithm not supported by the key <SecKeyRef:('com.apple.setoken') 0x1740aa6e0>" UserInfo={NSDescription=algid:encrypt:ECIES:ECDH:KDFX963:SHA256:AESGCM: algorithm not supported by the key <SecKeyRef:('com.apple.setoken') 0x1740aa6e0>}



my question is kSecKeyAlgorithmECIESEncryptionStandardX963SHA256AESGCM only for ios 10.3? for SecKeyCreateDecryptedData?

Up vote post of iDGate Down vote post of iDGate
733 views
Posted by
iDGate
Reply
Add a Comment

Replies

Does this work if you use an EC key that’s not in the Secure Enclave?

Share and Enjoy
—
Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardware 

let myEmail = "eskimo" + "1" + "@apple.com"
Posted by
eskimo
Up vote reply of eskimo Down vote reply of eskimo
Add a Comment

Hi eskimo

Yes , it work to general an ECC key pair ,

but i can't use secure enclave to encrypt or decrypt when i use ipad mini2(ios10.2),

and it working to iphoneX(ios10.3)


so my question is secure enclave's encrypt or decrypt function is only for device has fingerprint/FaceID and ios10.3 above?

Posted by
iDGate
Up vote reply of iDGate Down vote reply of iDGate
Add a Comment