// because they have reached the end of their useful life.
// https://cs.opensource.google/go/x/crypto/+/refs/tags/v0.22.0:ssh/common.go;l=85
var supportedMACs = []string{
	"hmac-sha2******@****.***", "hmac-sha2******@****.***", "hmac-sha2-256", "hmac-sha2-512", "hmac-sha1", "hmac-sha1-96",
}

func sshPubKeyAuth(c ssh.ConnMetadata, key ssh.PublicKey) (*ssh.Permissions, error) {
	return authenticateSSHConnection(c, key, nil)
}

	case ACRC32B:
		return S32 | OPDP2(16)

	case ACRC32H:
		return S32 | OPDP2(17)

	case ACRC32W:
		return S32 | OPDP2(18)

	case ACRC32X:
		return S64 | OPDP2(19)

	case ACRC32CB:
		return S32 | OPDP2(20)

	case ACRC32CH:
		return S32 | OPDP2(21)

	case ACRC32CW:
		return S32 | OPDP2(22)

	case ACRC32CX:
		return S64 | OPDP2(23)

	// Some MySQL has a 3072 byte limit on key sizes.
	mysqlCreateNamespaceTable = `CREATE TABLE %s (
             key_name VARCHAR(3072) NOT NULL,
             key_hash CHAR(64) GENERATED ALWAYS AS (SHA2(key_name, 256)) STORED NOT NULL PRIMARY KEY,
             value JSON)
           CHARACTER SET = utf8mb4 COLLATE = utf8mb4_bin ROW_FORMAT = Dynamic;`

((Rsh32U|Lsh32)x64 <t> x y)  => (ISEL [0] (S(R|L)W <t> x y) (MOVDconst [0])        (CMPUconst y [32]))
((Rsh32U|Lsh32)x32 <t> x y)  => (ISEL [0] (S(R|L)W <t> x y) (MOVDconst [0])        (CMPWUconst y [32]))
((Rsh32U|Lsh32)x16 <t> x y)  => (ISEL [2] (S(R|L)W <t> x y) (MOVDconst [0])        (CMPconst [0] (ANDconst [0xFFE0] y)))

}

func (sh *Shell) printLocked(a ...any) {
	sh.printFunc(a...)
}

// WithAction returns a Shell identical to sh, but bound to Action a.
func (sh *Shell) WithAction(a *Action) *Shell {
	sh2 := *sh
	sh2.action = a
	return &sh2
}

// Shell returns a shell for running commands on behalf of Action a.
func (b *Builder) Shell(a *Action) *Shell {
	if a == nil {
		// The root shell has a nil Action. The point of this method is to

		}
	})

	t.Run("int32", func(t *testing.T) {
		var sink bytes.Buffer
		enc := NewEncoder(&sink)
		enc.Encode(s32)

		dec := NewDecoder(&sink)
		res := make([]int32, 9)
		dec.Decode(&res)

		if !reflect.DeepEqual(s32, res) {
			t.Fatalf("EncodeIntSlice: expected %v, got %v", s32, res)
		}
	})

	t.Run("int64", func(t *testing.T) {
		var sink bytes.Buffer
		enc := NewEncoder(&sink)

      ConfigProto::Experimental::MLIR_BRIDGE_ROLLOUT_UNSPECIFIED);

  ASSERT_TRUE(compilation_result.ok());
  EXPECT_THAT(compilation_result,
              ComputationProtoContains("element_type:.S32\n.*dimensions: 3"));
}

}  // namespace v2
}  // namespace tf2xla

//		csor(3) algorithms(4) id-dsa-with-sha2(3) 2}
//
// RFC 5758 3.2 ECDSA Signature Algorithm
//
//	ecdsa-with-SHA256 OBJECT IDENTIFIER ::= { iso(1) member-body(2)
//		us(840) ansi-X9-62(10045) signatures(4) ecdsa-with-SHA2(3) 2 }
//
//	ecdsa-with-SHA384 OBJECT IDENTIFIER ::= { iso(1) member-body(2)
//		us(840) ansi-X9-62(10045) signatures(4) ecdsa-with-SHA2(3) 3 }
//

// produces randomized signatures.
func mixedCSPRNG(rand io.Reader, priv *PrivateKey, hash []byte) (io.Reader, error) {
	// This implementation derives the nonce from an AES-CTR CSPRNG keyed by:
	//
	//    SHA2-512(priv.D || entropy || hash)[:32]
	//
	// The CSPRNG key is indifferentiable from a random oracle as shown in
	// [Coron], the AES-CTR stream is indifferentiable from a random oracle

		// If prefixed instructions are supported, a 34b signed constant can be generated by one pli instruction.
		isS34 := pfxEnabled && (p.From.Offset<<30)>>30 == p.From.Offset

		// Try converting MOVD $const,Rx into ADDIS/ORIS $s32>>16,R0,Rx
		switch {
		case isS32 && p.From.Offset&0xFFFF == 0 && p.From.Offset != 0:
			p.As = AADDIS
			p.From.Offset >>= 16
			p.Reg = REG_R0

		case isU32 && p.From.Offset&0xFFFF == 0 && p.From.Offset != 0: