autdb

Authenticate Data Address (Key B)

AUTDB <Xd>, <Xn>

Authenticates a data address signed with Key B.

Details

The Authenticate Data Address instruction authenticates a data address signed with Key B.

Pseudocode Operation

Xd ← Xn + SRC2
// Flags affected: N, Z, C, V

Example

AUTDB x0, x1

Encoding

Binary Layout
11011010
110
Xn
000111
11111
Xd
 
Format Data Processing
Opcode 0xDAC11C00
Extension PAC (Security)

Operands

  • Xd
    Destination 64-bit integer register
  • Xn
    Modifier