Golang crypto.NewRandomKey函数代码示例

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本文整理汇总了Golang中github.com/restic/restic/crypto.NewRandomKey函数的典型用法代码示例。如果您正苦于以下问题：Golang NewRandomKey函数的具体用法？Golang NewRandomKey怎么用？Golang NewRandomKey使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了NewRandomKey函数的14个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: TestDecryptStreamReader

func TestDecryptStreamReader(t *testing.T) {
	k := crypto.NewRandomKey()

	tests := []int{5, 23, 2<<18 + 23, 1 << 20}
	if testLargeCrypto {
		tests = append(tests, 7<<20+123)
	}

	for _, size := range tests {
		data := make([]byte, size)
		_, err := io.ReadFull(RandomReader(42, size), data)
		OK(t, err)

		ciphertext := make([]byte, size+crypto.Extension)

		// encrypt with default function
		ciphertext, err = crypto.Encrypt(k, ciphertext, data)
		OK(t, err)
		Assert(t, len(ciphertext) == len(data)+crypto.Extension,
			"wrong number of bytes returned after encryption: expected %d, got %d",
			len(data)+crypto.Extension, len(ciphertext))

		rd, err := crypto.DecryptFrom(k, bytes.NewReader(ciphertext))
		OK(t, err)

		plaintext, err := ioutil.ReadAll(rd)
		OK(t, err)

		Assert(t, bytes.Equal(data, plaintext),
			"wrong plaintext after decryption: expected %02x, got %02x",
			data, plaintext)
	}
}

开发者ID:klauspost，项目名称:restic，代码行数:33，代码来源:crypto_test.go

示例2: TestEncryptWriter

func TestEncryptWriter(t *testing.T) {
	k := crypto.NewRandomKey()

	tests := []int{5, 23, 2<<18 + 23, 1 << 20}
	if testLargeCrypto {
		tests = append(tests, 7<<20+123)
	}

	for _, size := range tests {
		data := make([]byte, size)
		_, err := io.ReadFull(RandomReader(42, size), data)
		OK(t, err)

		buf := bytes.NewBuffer(nil)
		wr := crypto.EncryptTo(k, buf)

		_, err = io.Copy(wr, bytes.NewReader(data))
		OK(t, err)
		OK(t, wr.Close())

		ciphertext := buf.Bytes()

		l := len(data) + crypto.Extension
		Assert(t, len(ciphertext) == l,
			"wrong ciphertext length: expected %d, got %d",
			l, len(ciphertext))

		// decrypt with default function
		plaintext, err := crypto.Decrypt(k, []byte{}, ciphertext)
		OK(t, err)
		Assert(t, bytes.Equal(data, plaintext),
			"wrong plaintext after decryption: expected %02x, got %02x",
			data, plaintext)
	}
}

开发者ID:klauspost，项目名称:restic，代码行数:35，代码来源:crypto_test.go

示例3: BenchmarkEncryptDecryptReader

func BenchmarkEncryptDecryptReader(b *testing.B) {
	k := crypto.NewRandomKey()

	size := 8 << 20 // 8MiB
	rd := RandomReader(23, size)

	b.ResetTimer()
	b.SetBytes(int64(size))

	buf := bytes.NewBuffer(nil)
	for i := 0; i < b.N; i++ {
		rd.Seek(0, 0)
		buf.Reset()
		wr := crypto.EncryptTo(k, buf)
		_, err := io.Copy(wr, rd)
		OK(b, err)
		OK(b, wr.Close())

		r, err := crypto.DecryptFrom(k, buf)
		OK(b, err)

		_, err = io.Copy(ioutil.Discard, r)
		OK(b, err)
	}
}

开发者ID:klauspost，项目名称:restic，代码行数:25，代码来源:crypto_test.go

示例4: TestEncryptDecrypt

func TestEncryptDecrypt(t *testing.T) {
	k := crypto.NewRandomKey()

	tests := []int{5, 23, 2<<18 + 23, 1 << 20}
	if testLargeCrypto {
		tests = append(tests, 7<<20+123)
	}

	for _, size := range tests {
		data := make([]byte, size)
		_, err := io.ReadFull(RandomReader(42, size), data)
		OK(t, err)

		buf := make([]byte, size+crypto.Extension)

		ciphertext, err := crypto.Encrypt(k, buf, data)
		OK(t, err)
		Assert(t, len(ciphertext) == len(data)+crypto.Extension,
			"ciphertext length does not match: want %d, got %d",
			len(data)+crypto.Extension, len(ciphertext))

		plaintext, err := crypto.Decrypt(k, nil, ciphertext)
		OK(t, err)
		Assert(t, len(plaintext) == len(data),
			"plaintext length does not match: want %d, got %d",
			len(data), len(plaintext))

		Equals(t, plaintext, data)
	}
}

开发者ID:klauspost，项目名称:restic，代码行数:30，代码来源:crypto_test.go

示例5: BenchmarkEncrypt

func BenchmarkEncrypt(b *testing.B) {
	size := 8 << 20 // 8MiB
	data := make([]byte, size)

	k := crypto.NewRandomKey()
	buf := make([]byte, len(data)+crypto.Extension)

	b.ResetTimer()
	b.SetBytes(int64(size))

	for i := 0; i < b.N; i++ {
		_, err := crypto.Encrypt(k, buf, data)
		OK(b, err)
	}
}

开发者ID:klauspost，项目名称:restic，代码行数:15，代码来源:crypto_test.go

示例6: BenchmarkEncryptWriter

func BenchmarkEncryptWriter(b *testing.B) {
	size := 8 << 20 // 8MiB

	k := crypto.NewRandomKey()

	b.ResetTimer()
	b.SetBytes(int64(size))

	for i := 0; i < b.N; i++ {
		rd := RandomLimitReader(23, size)
		wr := crypto.EncryptTo(k, ioutil.Discard)
		n, err := io.Copy(wr, rd)
		OK(b, err)
		OK(b, wr.Close())
		Assert(b, n == int64(size),
			"not enough bytes writter: want %d, got %d", size, n)
	}
}

开发者ID:jhautefeuille，项目名称:restic，代码行数:18，代码来源:crypto_test.go

示例7: TestSameBuffer

func TestSameBuffer(t *testing.T) {
	k := crypto.NewRandomKey()

	size := 600
	data := make([]byte, size)
	_, err := io.ReadFull(rand.Reader, data)
	OK(t, err)

	ciphertext := make([]byte, 0, size+crypto.Extension)

	ciphertext, err = crypto.Encrypt(k, ciphertext, data)
	OK(t, err)

	// use the same buffer for decryption
	ciphertext, err = crypto.Decrypt(k, ciphertext, ciphertext)
	OK(t, err)
	Assert(t, bytes.Equal(ciphertext, data),
		"wrong plaintext returned")
}

开发者ID:jhautefeuille，项目名称:restic，代码行数:19，代码来源:crypto_test.go

示例8: BenchmarkDecrypt

func BenchmarkDecrypt(b *testing.B) {
	size := 8 << 20 // 8MiB
	data := make([]byte, size)

	k := crypto.NewRandomKey()

	plaintext := make([]byte, size)
	ciphertext := make([]byte, size+crypto.Extension)

	ciphertext, err := crypto.Encrypt(k, ciphertext, data)
	OK(b, err)

	b.ResetTimer()
	b.SetBytes(int64(size))

	for i := 0; i < b.N; i++ {
		plaintext, err = crypto.Decrypt(k, plaintext, ciphertext)
		OK(b, err)
	}
}

开发者ID:klauspost，项目名称:restic，代码行数:20，代码来源:crypto_test.go

示例9: TestCornerCases

func TestCornerCases(t *testing.T) {
	k := crypto.NewRandomKey()

	// nil plaintext should encrypt to the empty string
	// nil ciphertext should allocate a new slice for the ciphertext
	c, err := crypto.Encrypt(k, nil, nil)
	OK(t, err)

	Assert(t, len(c) == crypto.Extension,
		"wrong length returned for ciphertext, expected 0, got %d",
		len(c))

	// this should decrypt to nil
	p, err := crypto.Decrypt(k, nil, c)
	OK(t, err)
	Equals(t, []byte(nil), p)

	// test encryption for same slice, this should return an error
	_, err = crypto.Encrypt(k, c, c)
	Equals(t, crypto.ErrInvalidCiphertext, err)
}

开发者ID:klauspost，项目名称:restic，代码行数:21，代码来源:crypto_test.go

示例10: TestSmallBuffer

func TestSmallBuffer(t *testing.T) {
	k := crypto.NewRandomKey()

	size := 600
	data := make([]byte, size)
	_, err := io.ReadFull(rand.Reader, data)
	OK(t, err)

	ciphertext := make([]byte, size/2)
	ciphertext, err = crypto.Encrypt(k, ciphertext, data)
	// this must extend the slice
	Assert(t, cap(ciphertext) > size/2,
		"expected extended slice, but capacity is only %d bytes",
		cap(ciphertext))

	// check for the correct plaintext
	plaintext, err := crypto.Decrypt(k, nil, ciphertext)
	OK(t, err)
	Assert(t, bytes.Equal(plaintext, data),
		"wrong plaintext returned")
}

开发者ID:jhautefeuille，项目名称:restic，代码行数:21，代码来源:crypto_test.go

示例11: TestLargeEncrypt

func TestLargeEncrypt(t *testing.T) {
	if !testLargeCrypto {
		t.SkipNow()
	}

	k := crypto.NewRandomKey()

	for _, size := range []int{chunker.MaxSize, chunker.MaxSize + 1, chunker.MaxSize + 1<<20} {
		data := make([]byte, size)
		_, err := io.ReadFull(rand.Reader, data)
		OK(t, err)

		ciphertext, err := crypto.Encrypt(k, make([]byte, size+crypto.Extension), data)
		OK(t, err)

		plaintext, err := crypto.Decrypt(k, []byte{}, ciphertext)
		OK(t, err)

		Equals(t, plaintext, data)
	}
}

开发者ID:jhautefeuille，项目名称:restic，代码行数:21，代码来源:crypto_test.go

示例12: BenchmarkDecryptReader

func BenchmarkDecryptReader(b *testing.B) {
	size := 8 << 20 // 8MiB
	buf := Random(23, size)
	k := crypto.NewRandomKey()

	ciphertext := make([]byte, len(buf)+crypto.Extension)
	_, err := crypto.Encrypt(k, ciphertext, buf)
	OK(b, err)

	rd := bytes.NewReader(ciphertext)

	b.ResetTimer()
	b.SetBytes(int64(size))

	for i := 0; i < b.N; i++ {
		rd.Seek(0, 0)
		decRd, err := crypto.DecryptFrom(k, rd)
		OK(b, err)

		_, err = io.Copy(ioutil.Discard, decRd)
		OK(b, err)
	}
}

开发者ID:klauspost，项目名称:restic，代码行数:23，代码来源:crypto_test.go

示例13: TestCreatePack

func TestCreatePack(t *testing.T) {
	type Buf struct {
		data []byte
		id   backend.ID
	}

	bufs := []Buf{}

	for _, l := range lengths {
		b := make([]byte, l)
		_, err := io.ReadFull(rand.Reader, b)
		OK(t, err)
		h := sha256.Sum256(b)
		bufs = append(bufs, Buf{data: b, id: h})
	}

	file := bytes.NewBuffer(nil)

	// create random keys
	k := crypto.NewRandomKey()

	// pack blobs
	p := pack.NewPacker(k, file)
	for _, b := range bufs {
		p.Add(pack.Tree, b.id, bytes.NewReader(b.data))
	}

	// write file
	n, err := p.Finalize()
	OK(t, err)

	written := 0
	// data
	for _, l := range lengths {
		written += l
	}
	// header length
	written += binary.Size(uint32(0))
	// header
	written += len(lengths) * (binary.Size(pack.BlobType(0)) + binary.Size(uint32(0)) + backend.IDSize)
	// header crypto
	written += crypto.Extension

	// check length
	Equals(t, uint(written), n)
	Equals(t, uint(written), p.Size())

	// read and parse it again
	rd := bytes.NewReader(file.Bytes())
	np, err := pack.NewUnpacker(k, nil, rd)
	OK(t, err)
	Equals(t, len(np.Entries), len(bufs))

	for i, b := range bufs {
		e := np.Entries[i]
		Equals(t, b.id, e.ID)

		brd, err := e.GetReader(rd)
		OK(t, err)
		data, err := ioutil.ReadAll(brd)
		OK(t, err)

		Assert(t, bytes.Equal(b.data, data),
			"data for blob %v doesn't match", i)
	}
}

开发者ID:hzensne1，项目名称:restic，代码行数:66，代码来源:pack_test.go

示例14: AddKey

// AddKey adds a new key to an already existing repository.
func AddKey(s *Repository, password string, template *crypto.Key) (*Key, error) {
	// fill meta data about key
	newkey := &Key{
		Created: time.Now(),
		KDF:     "scrypt",
		N:       scryptN,
		R:       scryptR,
		P:       scryptP,
	}

	hn, err := os.Hostname()
	if err == nil {
		newkey.Hostname = hn
	}

	usr, err := user.Current()
	if err == nil {
		newkey.Username = usr.Username
	}

	// generate random salt
	newkey.Salt = make([]byte, scryptSaltsize)
	n, err := rand.Read(newkey.Salt)
	if n != scryptSaltsize || err != nil {
		panic("unable to read enough random bytes for salt")
	}

	// call KDF to derive user key
	newkey.user, err = crypto.KDF(newkey.N, newkey.R, newkey.P, newkey.Salt, password)
	if err != nil {
		return nil, err
	}

	if template == nil {
		// generate new random master keys
		newkey.master = crypto.NewRandomKey()
	} else {
		// copy master keys from old key
		newkey.master = template
	}

	// encrypt master keys (as json) with user key
	buf, err := json.Marshal(newkey.master)
	if err != nil {
		return nil, err
	}

	newkey.Data, err = crypto.Encrypt(newkey.user, nil, buf)

	// dump as json
	buf, err = json.Marshal(newkey)
	if err != nil {
		return nil, err
	}

	// store in repository and return
	blob, err := s.be.Create()
	if err != nil {
		return nil, err
	}

	plainhw := backend.NewHashingWriter(blob, sha256.New())

	_, err = plainhw.Write(buf)
	if err != nil {
		return nil, err
	}

	name := hex.EncodeToString(plainhw.Sum(nil))

	err = blob.Finalize(backend.Key, name)
	if err != nil {
		return nil, err
	}

	newkey.name = name

	return newkey, nil
}

开发者ID:marete，项目名称:restic，代码行数:80，代码来源:key.go

注：本文中的github.com/restic/restic/crypto.NewRandomKey函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。