func Sum512(data []byte) [Size]byte {
	if boring.Enabled {
		return boring.SHA512(data)
	}
	d := digest{function: crypto.SHA512}
	d.Reset()
	d.Write(data)
	return d.checkSum()
}

// Sum384 returns the SHA384 checksum of the data.
func Sum384(data []byte) [Size384]byte {
	if boring.Enabled {
		return boring.SHA384(data)
	}
	d := digest{function: crypto.SHA384}
	d.Reset()

// with [crypto/x509.MarshalPKIXPublicKey]. For NIST curves, they then need to
// be converted with [crypto/ecdsa.PublicKey.ECDH] after parsing.
type PublicKey struct {
	curve     Curve
	publicKey []byte
	boring    *boring.PublicKeyECDH
}

// Bytes returns a copy of the encoding of the public key.
func (k *PublicKey) Bytes() []byte {
	// Copy the public key to a fixed size buffer that can get allocated on the

import _ "unsafe" // for go:linkname

//go:linkname boring_runtime_arg0 crypto/internal/boring.runtime_arg0
func boring_runtime_arg0() string {
	// On Windows, argslice is not set, and it's too much work to find argv0.
	if len(argslice) == 0 {
		return ""
	}
	return argslice[0]
}

//go:linkname fipstls_runtime_arg0 crypto/internal/boring/fipstls.runtime_arg0

func Force() {
	required.Store(true)
}

// Abandon allows non-FIPS-approved settings.
// If called from a non-test binary, it panics.
func Abandon() {
	// Note: Not using boring.UnreachableExceptTests because we want
	// this test to happen even when boring.Enabled = false.
	name := runtime_arg0()
	// Allow _test for Go command, .test for Bazel,
	// NaClMain for NaCl (where all binaries run as NaClMain),

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

//go:build !boringcrypto

package ecdsa

import "crypto/internal/boring"

func boringPublicKey(*PublicKey) (*boring.PublicKeyECDSA, error) {
	panic("boringcrypto: not available")
}
func boringPrivateKey(*PrivateKey) (*boring.PrivateKeyECDSA, error) {
	panic("boringcrypto: not available")

// AES-128, AES-192, or AES-256.
func NewCipher(key []byte) (cipher.Block, error) {
	k := len(key)
	switch k {
	default:
		return nil, KeySizeError(k)
	case 16, 24, 32:
		break
	}
	if boring.Enabled {
		return boring.NewAESCipher(key)
	}
	return newCipher(key)
}

// newCipherGeneric creates and returns a new cipher.Block
// implemented in pure Go.
func newCipherGeneric(key []byte) (cipher.Block, error) {

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	k := pub.Size()
	if len(msg) > k-2*hash.Size()-2 {
		return nil, ErrMessageTooLong
	}

	if boring.Enabled && random == boring.RandReader {
		bkey, err := boringPublicKey(pub)
		if err != nil {
			return nil, err
		}
		return boring.EncryptRSAOAEP(hash, hash, bkey, msg, label)
	}
	boring.UnreachableExceptTests()

	hash.Write(label)
	lHash := hash.Sum(nil)
	hash.Reset()

#!/bin/bash
# Copyright 2022 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.

# This shell script uses Docker to run build-boring.sh and build-goboring.sh,
# which build goboringcrypto_linux_$GOARCH.syso according to the Security Policy.
# Currently, amd64 and arm64 are permitted.

set -e
set -o pipefail

GOARCH=${GOARCH:-$(go env GOARCH)}

	randutil.MaybeReadByte(rand)

	if boring.Enabled && rand == boring.RandReader {
		x, y, d, err := boring.GenerateKeyECDSA(c.Params().Name)
		if err != nil {
			return nil, err
		}
		return &PrivateKey{PublicKey: PublicKey{Curve: c, X: bbig.Dec(x), Y: bbig.Dec(y)}, D: bbig.Dec(d)}, nil
	}
	boring.UnreachableExceptTests()

	switch c.Params() {
	case elliptic.P224().Params():