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Commit b04c67a9 authored by Max Bires's avatar Max Bires
Browse files

Change the language for SB AES key sizes 

This alters the HAL documentation to specify that StrongBox must ONLY
support AES 128 and 256 keys.

Bug: 191736606
Test: Read the documentation and confirm that it is clear.
Change-Id: I484d51700df28eb073b7928b6dc7a3b52c59caee
parent 334a6134

security/keymint/aidl/android/hardware/security/keymint/IKeyMintDevice.aidl

+2 −1
Original line number Diff line number Diff line
@@ -96,7 +96,8 @@ import android.hardware.security.secureclock.TimeStampToken; 
 *

 * o   AES

 *

 *      - 128 and 256-bit keys

 *      - TRUSTED_ENVIRONMENT IKeyMintDevices must support 128, 192 and 256-bit keys.

 *        STRONGBOX IKeyMintDevices must only support 128 and 256-bit keys.

 *      - CBC, CTR, ECB and GCM modes.  The GCM mode must not allow the use of tags smaller than 96

 *        bits or nonce lengths other than 96 bits.

 *      - CBC and ECB modes must support unpadded and PKCS7 padding modes.  With no padding CBC and