//
#define CIPHER_BLOCK(Vin, Vxor, Vout, vcipher, vciphel, label10, label12) \
	VXOR	Vin, Vxor, Vout \
	BEQ	CR1, label10 \
	BEQ	CR2, label12 \
	vcipher	Vout, V7, Vout \
	vcipher	Vout, V8, Vout \
	label12: \
	vcipher	Vout, V9, Vout \
	vcipher	Vout, V10, Vout \
	label10: \
	vcipher	Vout, V11, Vout \
	vcipher	Vout, V12, Vout \
	vcipher	Vout, V13, Vout \
	vcipher	Vout, V14, Vout \
	vcipher	Vout, V15, Vout \

	XXLOR VS4, VS4, V26; \
	XXLOR VS5, VS5, V27; \
	VCIPHER vin, V23, vin; \
	VCIPHER vin, V24, vin; \
	VCIPHER vin, V25, vin; \
	VCIPHER vin, V26, vin; \
	VCIPHER vin, V27, vin; \
	XXLOR VS6, VS6, V23; \
	XXLOR VS7, VS7, V24; \
	XXLOR VS8, VS8, V25; \
	XXLOR VS9, VS9, V26; \
	VCIPHER vin, V23, vin; \
	VCIPHER vin, V24, vin; \
	VCIPHER vin, V25, vin; \
	VCIPHER	vin, V26, vin

// Encrypt 1 value (vin) with

	"VPERM",
	"VPERMXOR",
	"VPERMR",
	"VBPERMQ",
	"VBPERMD",
	"VSEL",
	"VSPLTB",
	"VSPLTH",
	"VSPLTW",
	"VSPLTISB",
	"VSPLTISH",
	"VSPLTISW",
	"VCIPH",
	"VCIPHER",
	"VCIPHERLAST",
	"VNCIPH",
	"VNCIPHER",
	"VNCIPHERLAST",
	"VSBOX",
	"VSHASIGMA",
	"VSHASIGMAW",
	"VSHASIGMAD",
	"VMRGEW",
	"VMRGOW",
	"VCLZLSBB",
	"VCTZLSBB",
	"LXV",
	"LXVL",
	"LXVLL",

type tripleDESCipher struct {
	cipher1, cipher2, cipher3 desCipher
}

// NewTripleDESCipher creates and returns a new [cipher.Block].
func NewTripleDESCipher(key []byte) (cipher.Block, error) {
	if len(key) != 24 {
		return nil, KeySizeError(len(key))
	}

	c := new(tripleDESCipher)
	c.cipher1.generateSubkeys(key[:8])
	c.cipher2.generateSubkeys(key[8:16])
	c.cipher3.generateSubkeys(key[16:])
	return c, nil
}

	VSPLTISB $1, V1                 // 1021030c
	VSPLTISW $1, V1                 // 1021038c
	VSPLTISH $1, V1                 // 1021034c
	VCIPHER V1, V2, V3              // 10611508
	VCIPHERLAST V1, V2, V3          // 10611509
	VNCIPHER V1, V2, V3             // 10611548
	VNCIPHERLAST V1, V2, V3         // 10611549
	VSBOX V1, V2                    // 104105c8
	VSHASIGMAW $1, V1, $15, V2      // 10418e82

		[6]*argField{ap_VecReg_6_10, ap_VecReg_11_15, ap_VecReg_16_20}},
	{VCIPHER, 0xfc0007ff00000000, 0x1000050800000000, 0x0, // Vector AES Cipher VX-form (vcipher VRT,VRA,VRB)
		[6]*argField{ap_VecReg_6_10, ap_VecReg_11_15, ap_VecReg_16_20}},
	{VCIPHERLAST, 0xfc0007ff00000000, 0x1000050900000000, 0x0, // Vector AES Cipher Last VX-form (vcipherlast VRT,VRA,VRB)
		[6]*argField{ap_VecReg_6_10, ap_VecReg_11_15, ap_VecReg_16_20}},

// license that can be found in the LICENSE file.

// Package cipher implements standard block cipher modes that can be wrapped
// around low-level block cipher implementations.
// See https://csrc.nist.gov/groups/ST/toolkit/BCM/current_modes.html
// and NIST Special Publication 800-38A.
package cipher

// A Block represents an implementation of block cipher
// using a given key. It provides the capability to encrypt

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package aes

import (
	"crypto/cipher"
	"crypto/internal/alias"
	"crypto/internal/boring"
	"strconv"
)

// The AES block size in bytes.
const BlockSize = 16

// A cipher is an instance of AES encryption using a particular key.
type aesCipher struct {
	l   uint8 // only this length of the enc and dec array is actually used

		// Default (unset) cipher suites field in the FIPS build of Envoy uses only the FIPS ciphers.
		// Therefore, we only filter this field when it is set.
		if len(ctx.TlsParams.CipherSuites) > 0 {
			ciphers := []string{}
			for _, cipher := range ctx.TlsParams.CipherSuites {
				if _, ok := fipsCipherIndex[cipher]; ok {
					ciphers = append(ciphers, cipher)
				}
			}
			ctx.TlsParams.CipherSuites = ciphers

		case AVSPLTISB: /* vspltisb, vspltish, vspltisw */
			opset(AVSPLTISH, r0)
			opset(AVSPLTISW, r0)

		case AVCIPH: /* vcipher, vcipherlast */
			opset(AVCIPHER, r0)
			opset(AVCIPHERLAST, r0)

		case AVNCIPH: /* vncipher, vncipherlast */
			opset(AVNCIPHER, r0)
			opset(AVNCIPHERLAST, r0)

		case AVSBOX: /* vsbox */
			opset(AVSBOX, r0)