ST X-CUBE-SBSFU - Symmetric Verification & Encryption

UM2262 Rev 6 73/94
UM2262 Cryptographic schemes handling
93
D.3 Symmetric verification and encryption scheme
This scheme (SECBOOT_AES128_GCM_AES128_GCM_AES128_GCM) is implemented
for firmware decryption and verification as illustrated in
Figure 40
Figure 40. Symmetric verification and encryption