zuc

package
v1.0.4019 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Oct 8, 2024 License: Apache-2.0 Imports: 4 Imported by: 0

Documentation

Index

Constants

View Source 
const IV_SIZE = 16
View Source 
const KEY_SIZE = 16
View Source 
const MAC_SIZE = 4
View Source 
const ZUC256_IV_SIZE = 23
View Source 
const ZUC256_KEY_SIZE = 32
View Source 
const ZUC256_MAC128_SIZE = 16
View Source 
const ZUC256_MAC32_SIZE = 4
View Source 
const ZUC256_MAC64_SIZE = 8
View Source 
const ZUC256_MAX_MAC_SIZE = ZUC256_MAC128_SIZE
View Source 
const ZUC256_MIN_MAC_SIZE = ZUC256_MAC32_SIZE
View Source 
const ZUC_BLOCK_SIZE = 4

Variables

View Source 
var KD = [16]uint32{
	0x44D7, 0x26BC, 0x626B, 0x135E, 0x5789, 0x35E2, 0x7135, 0x09AF,
	0x4D78, 0x2F13, 0x6BC4, 0x1AF1, 0x5E26, 0x3C4D, 0x789A, 0x47AC,
}
View Source 
var S0 = [256]uint8{}/* 256 elements not displayed */
View Source 
var S1 = [256]uint8{}/* 256 elements not displayed */
View Source 
var ZUC256_D = [][]uint8{
	{
		0x22, 0x2F, 0x24, 0x2A, 0x6D, 0x40, 0x40, 0x40,
		0x40, 0x40, 0x40, 0x40, 0x40, 0x52, 0x10, 0x30,
	},
	{
		0x22, 0x2F, 0x25, 0x2A, 0x6D, 0x40, 0x40, 0x40,
		0x40, 0x40, 0x40, 0x40, 0x40, 0x52, 0x10, 0x30,
	},
	{
		0x23, 0x2F, 0x24, 0x2A, 0x6D, 0x40, 0x40, 0x40,
		0x40, 0x40, 0x40, 0x40, 0x40, 0x52, 0x10, 0x30,
	},
	{
		0x23, 0x2F, 0x25, 0x2A, 0x6D, 0x40, 0x40, 0x40,
		0x40, 0x40, 0x40, 0x40, 0x40, 0x52, 0x10, 0x30,
	},
}

Functions

func ADD31 

func ADD31(a *uint32, b uint32)

func BitReconstruction2 

func BitReconstruction2(X1, X2 *uint32, LFSR []uint32)

func BitReconstruction3 

func BitReconstruction3(X0, X1, X2 *uint32, LFSR []uint32)

func BitReconstruction4 

func BitReconstruction4(X0, X1, X2, X3 *uint32, LFSR []uint32)

func EEA_ENCRYPT_NBYTES 

func EEA_ENCRYPT_NBYTES(nbits int) int

func EEA_ENCRYPT_NWORDS 

func EEA_ENCRYPT_NWORDS(nbits int) int

func EeaEncrypt 

func EeaEncrypt(
	in []uint32,
	out []uint32,
	nbits int,
	key []byte,
	count uint32,
	bearer uint32,
	direction uint32,
)

func EiaGenerateMac 

func EiaGenerateMac(
	data []uint32,
	nbits int,
	key [16]byte,
	count uint32,
	bearer uint32,
	direction uint32,
) uint32

func F 

func F(R1, R2 *uint32, X0, X1, X2 uint32) uint32

func F_ 

func F_(R1, R2 *uint32, X1, X2 uint32)

func GETU32 

func GETU32(ptr []byte) uint32

func L1 

func L1(X uint32) uint32

func L2 

func L2(X uint32) uint32

func LFSRWithInitialisationMode 

func LFSRWithInitialisationMode(u uint32, LFSR []uint32)

func LFSRWithWorkMode 

func LFSRWithWorkMode(LFSR []uint32)

func MAKEU31 

func MAKEU31(k uint8, d uint32, iv uint8) uint32

func MAKEU32 

func MAKEU32(a, b, c, d uint8) uint32

func MemsetByte 

func MemsetByte(a []byte, v byte)

func New256Cipher 

func New256Cipher(key []byte, iv []byte) (cipher.Stream, error)

New256Cipher creates and returns a new cipher.Stream.

func New256CipherWithMacbits 

func New256CipherWithMacbits(key []byte, iv []byte, macbits int32) (cipher.Stream, error)

New256CipherWithMacbits creates and returns a new cipher.Stream.

func NewCipher 

func NewCipher(key []byte, iv []byte) (cipher.Stream, error)

NewCipher creates and returns a new cipher.Stream.

func NewEEACipher 

func NewEEACipher(key []byte, count, bearer, direction uint32) (cipher.Stream, error)

NewEEACipher creates and returns a new cipher.Stream.

func PUTU32 

func PUTU32(ptr []byte, a uint32)

func ROT31 

func ROT31(a, k uint32) uint32

func ROT32 

func ROT32(a, k uint32) uint32

func SetEiaIV 

func SetEiaIV(
	iv []byte,
	count uint32,
	bearer uint32,
	direction uint32,
)

func ZUC256_MAKEU31 

func ZUC256_MAKEU31(a, b, c, d byte) uint32

Types

type IVSizeError 

type IVSizeError int

func (IVSizeError) Error 

func (k IVSizeError) Error() string

type KeySizeError 

type KeySizeError int

func (KeySizeError) Error 

func (k KeySizeError) Error() string

type Zuc 

type Zuc struct {
	// contains filtered or unexported fields
}

func NewZucDecrypt 

func NewZucDecrypt(key []byte, iv []byte) *Zuc

func NewZucEncrypt 

func NewZucEncrypt(key []byte, iv []byte) *Zuc

func (*Zuc) Sum 

func (this *Zuc) Sum(data []byte) []byte

func (*Zuc) Write 

func (this *Zuc) Write(in []byte, out []byte) (nn int, err error)

type Zuc256Mac 

type Zuc256Mac struct {
	LFSR [16]uint32
	R1   uint32
	R2   uint32
	T    [4]uint32
	K0   [4]uint32
	// contains filtered or unexported fields
}

func NewZuc256Mac 

func NewZuc256Mac(key []byte, iv []byte, macbits int32) *Zuc256Mac

func (*Zuc256Mac) BlockSize 

func (this *Zuc256Mac) BlockSize() int

func (*Zuc256Mac) Reset 

func (this *Zuc256Mac) Reset()

func (*Zuc256Mac) Size 

func (this *Zuc256Mac) Size() int

func (*Zuc256Mac) Sum 

func (this *Zuc256Mac) Sum(data []byte, nbits int) []byte

func (*Zuc256Mac) Write 

func (this *Zuc256Mac) Write(data []byte) (nn int, err error)

type Zuc256State 

type Zuc256State struct {
	LFSR [16]uint32
	R1   uint32
	R2   uint32
}

func NewZuc256State 

func NewZuc256State(key []byte, iv []byte) *Zuc256State

func NewZuc256StateWithMacbits 

func NewZuc256StateWithMacbits(key []byte, iv []byte, macbits int32) *Zuc256State

func (*Zuc256State) Encrypt 

func (this *Zuc256State) Encrypt(out []byte, in []byte)

func (*Zuc256State) GenerateKeystream 

func (this *Zuc256State) GenerateKeystream(nwords int, keystream []uint32)

func (*Zuc256State) GenerateKeyword 

func (this *Zuc256State) GenerateKeyword() uint32

type ZucMac 

type ZucMac struct {
	LFSR [16]uint32
	R1   uint32
	R2   uint32
	T    uint32
	K0   uint32
	// contains filtered or unexported fields
}

func NewZucMac 

func NewZucMac(key []byte, iv []byte) *ZucMac

func (*ZucMac) BlockSize 

func (this *ZucMac) BlockSize() int

func (*ZucMac) Reset 

func (this *ZucMac) Reset()

func (*ZucMac) Size 

func (this *ZucMac) Size() int

func (*ZucMac) Sum 

func (this *ZucMac) Sum(data []byte, nbits int) []byte

func (*ZucMac) Write 

func (this *ZucMac) Write(data []byte) (nn int, err error)

type ZucState 

type ZucState struct {
	LFSR [16]uint32
	R1   uint32
	R2   uint32
}

func NewZucState 

func NewZucState(key []byte, iv []byte) *ZucState

func (*ZucState) Encrypt 

func (this *ZucState) Encrypt(out []byte, in []byte)

func (*ZucState) GenerateKeystream 

func (this *ZucState) GenerateKeystream(nwords int, keystream []uint32)

func (*ZucState) GenerateKeyword 

func (this *ZucState) GenerateKeyword() uint32

func (*ZucState) SetEeaKey 

func (this *ZucState) SetEeaKey(userKey []byte, count uint32, bearer uint32, direction uint32)

Source Files

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