AESKEYS AES Key Registers. 0x40007800 0x00 0x400 registers KEY0 AES Key 0. 0x00 32 KEY1 AES Key 1. 0x04 32 KEY2 AES Key 2. 0x08 32 KEY3 AES Key 3. 0x0C 32 KEY4 AES Key 4. 0x10 32 KEY5 AES Key 5. 0x14 32 KEY6 AES Key 6. 0x18 32 KEY7 AES Key 7. 0x1C 32