Source File
	cast.go

Belonging Package
	crypto/internal/fips140/sha3

// Copyright 2024 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package sha3

import (
	"bytes"
	"crypto/internal/fips140"
	"errors"
)

func init() {
	fips140.CAST("cSHAKE128", func() error {
		input := []byte{
			0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
			0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
		}
		want := []byte{
			0xd2, 0x17, 0x37, 0x39, 0xf6, 0xa1, 0xe4, 0x6e,
			0x81, 0xe5, 0x70, 0xe3, 0x1b, 0x10, 0x4c, 0x82,
			0xc5, 0x48, 0xee, 0xe6, 0x09, 0xf5, 0x89, 0x52,
			0x52, 0xa4, 0x69, 0xd4, 0xd0, 0x76, 0x68, 0x6b,
		}
		h := NewCShake128(input, input)
		h.Write(input)
		if got := h.Sum(nil); !bytes.Equal(got, want) {
			return errors.New("unexpected result")
		}
		return nil
	})
}

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