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AES single round encryption.
AES single round encryption.
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | Rn | Rd | ||||||||
D |
integer d = UInt(Rd);
integer n = UInt(Rn);
if !HaveAESExtHaveCryptoExt() then UnallocatedEncoding();
boolean decrypt = (D == '1');
<Vd> | Is the name of the SIMD&FP source and destination register, encoded in the "Rd" field. |
<Vn> | Is the name of the second SIMD&FP source register, encoded in the "Rn" field. |
AArch64.CheckFPAdvSIMDEnabledCheckCryptoEnabled64();
bits(128) operand1 = V[d];
bits(128) operand2 = V[n];
bits(128) result;
result = operand1 EOR operand2;
if decrypt then
result = AESInvSubBytes(AESInvShiftRows(result));
else
result = AESSubBytes(AESShiftRows(result));
V[d] = result;
If PSTATE.DIT is 1:
Internal version only: isa v29.05v27.02, AdvSIMD v26.0, pseudocode v35.3v34.2.2
; Build timestamp: 2018-06-16T092018-03-28T19:4555
Copyright © 2010-2018 ARM Limited or its affiliates. All rights reserved. This document is Non-Confidential.
ISA_v83A_A64_xml_00bet6.1 (old) | htmldiff from-ISA_v83A_A64_xml_00bet6.1 | (new) ISA_v84A_A64_xml_00bet7 |