AES64ES

AES-64 Encryption Schedule

AES64ES rd, rs1, rs2

Performs one round of AES-128 encryption key schedule generation.

Encoding

Binary Layout

0011001

31:25

rs2

24:20

rs1

19:15

000

14:12

rd

11:7

0110011

6:0

 

Format R-Type

Opcode 0x32000033

Extension Zkne

Operands

• rd
  Destination register (integer)
• rs1
  Source register 1 (integer)
• rs2
  Source register 2 (integer)

Example

AES64ES x10, x11, x12

// AES Key Gen.

Related

More in Zkne

Reference

View in RISC-V Unprivileged ISA Specification ↗ RISC-V ISA Manual

Description

AES64ES performs two phases of the AES forward SubBytes and ShiftRows transformation. Used in AES encryption.

Operation

R[rd] = aes_encrypt_schedule(R[rs1], R[rs2]);