gost28147

package
v0.0.0-...-faedeaf Latest Latest
Warning

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

 Go to latest Published: Dec 29, 2021 License: GPL-3.0, GPL-3.0 Imports: 1 Imported by: 0

Documentation

Overview

GOST 28147-89 block cipher with ECB, CFB, CTR, MAC modes of operation. RFC 5830.

Index

Constants

View Source 
const (
	BlockSize = 8
	KeySize   = 32
)

Variables

View Source 
var (
	SeqEncrypt = Seq([]uint8{
		0, 1, 2, 3, 4, 5, 6, 7,
		0, 1, 2, 3, 4, 5, 6, 7,
		0, 1, 2, 3, 4, 5, 6, 7,
		7, 6, 5, 4, 3, 2, 1, 0,
	})
	SeqDecrypt = Seq([]uint8{
		0, 1, 2, 3, 4, 5, 6, 7,
		7, 6, 5, 4, 3, 2, 1, 0,
		7, 6, 5, 4, 3, 2, 1, 0,
		7, 6, 5, 4, 3, 2, 1, 0,
	})
)
View Source 
var (
	SboxIdGost2814789TestParamSet = Sbox([8][16]uint8{
		{4, 2, 15, 5, 9, 1, 0, 8, 14, 3, 11, 12, 13, 7, 10, 6},
		{12, 9, 15, 14, 8, 1, 3, 10, 2, 7, 4, 13, 6, 0, 11, 5},
		{13, 8, 14, 12, 7, 3, 9, 10, 1, 5, 2, 4, 6, 15, 0, 11},
		{14, 9, 11, 2, 5, 15, 7, 1, 0, 13, 12, 6, 10, 4, 3, 8},
		{3, 14, 5, 9, 6, 8, 0, 13, 10, 11, 7, 12, 2, 1, 15, 4},
		{8, 15, 6, 11, 1, 9, 12, 5, 13, 3, 7, 10, 0, 14, 2, 4},
		{9, 11, 12, 0, 3, 6, 7, 5, 4, 8, 14, 15, 1, 10, 2, 13},
		{12, 6, 5, 2, 11, 0, 9, 13, 3, 14, 7, 10, 15, 4, 1, 8},
	})
	SboxIdGost2814789CryptoProAParamSet = Sbox([8][16]uint8{
		{9, 6, 3, 2, 8, 11, 1, 7, 10, 4, 14, 15, 12, 0, 13, 5},
		{3, 7, 14, 9, 8, 10, 15, 0, 5, 2, 6, 12, 11, 4, 13, 1},
		{14, 4, 6, 2, 11, 3, 13, 8, 12, 15, 5, 10, 0, 7, 1, 9},
		{14, 7, 10, 12, 13, 1, 3, 9, 0, 2, 11, 4, 15, 8, 5, 6},
		{11, 5, 1, 9, 8, 13, 15, 0, 14, 4, 2, 3, 12, 7, 10, 6},
		{3, 10, 13, 12, 1, 2, 0, 11, 7, 5, 9, 4, 8, 15, 14, 6},
		{1, 13, 2, 9, 7, 10, 6, 0, 8, 12, 4, 5, 15, 3, 11, 14},
		{11, 10, 15, 5, 0, 12, 14, 8, 6, 2, 3, 9, 1, 7, 13, 4},
	})
	SboxIdGost2814789CryptoProBParamSet = Sbox([8][16]uint8{
		{8, 4, 11, 1, 3, 5, 0, 9, 2, 14, 10, 12, 13, 6, 7, 15},
		{0, 1, 2, 10, 4, 13, 5, 12, 9, 7, 3, 15, 11, 8, 6, 14},
		{14, 12, 0, 10, 9, 2, 13, 11, 7, 5, 8, 15, 3, 6, 1, 4},
		{7, 5, 0, 13, 11, 6, 1, 2, 3, 10, 12, 15, 4, 14, 9, 8},
		{2, 7, 12, 15, 9, 5, 10, 11, 1, 4, 0, 13, 6, 8, 14, 3},
		{8, 3, 2, 6, 4, 13, 14, 11, 12, 1, 7, 15, 10, 0, 9, 5},
		{5, 2, 10, 11, 9, 1, 12, 3, 7, 4, 13, 0, 6, 15, 8, 14},
		{0, 4, 11, 14, 8, 3, 7, 1, 10, 2, 9, 6, 15, 13, 5, 12},
	})
	SboxIdGost2814789CryptoProCParamSet = Sbox([8][16]uint8{
		{1, 11, 12, 2, 9, 13, 0, 15, 4, 5, 8, 14, 10, 7, 6, 3},
		{0, 1, 7, 13, 11, 4, 5, 2, 8, 14, 15, 12, 9, 10, 6, 3},
		{8, 2, 5, 0, 4, 9, 15, 10, 3, 7, 12, 13, 6, 14, 1, 11},
		{3, 6, 0, 1, 5, 13, 10, 8, 11, 2, 9, 7, 14, 15, 12, 4},
		{8, 13, 11, 0, 4, 5, 1, 2, 9, 3, 12, 14, 6, 15, 10, 7},
		{12, 9, 11, 1, 8, 14, 2, 4, 7, 3, 6, 5, 10, 0, 15, 13},
		{10, 9, 6, 8, 13, 14, 2, 0, 15, 3, 5, 11, 4, 1, 12, 7},
		{7, 4, 0, 5, 10, 2, 15, 14, 12, 6, 1, 11, 13, 9, 3, 8},
	})
	SboxIdGost2814789CryptoProDParamSet = Sbox([8][16]uint8{
		{15, 12, 2, 10, 6, 4, 5, 0, 7, 9, 14, 13, 1, 11, 8, 3},
		{11, 6, 3, 4, 12, 15, 14, 2, 7, 13, 8, 0, 5, 10, 9, 1},
		{1, 12, 11, 0, 15, 14, 6, 5, 10, 13, 4, 8, 9, 3, 7, 2},
		{1, 5, 14, 12, 10, 7, 0, 13, 6, 2, 11, 4, 9, 3, 15, 8},
		{0, 12, 8, 9, 13, 2, 10, 11, 7, 3, 6, 5, 4, 14, 15, 1},
		{8, 0, 15, 3, 2, 5, 14, 11, 1, 10, 4, 7, 12, 9, 13, 6},
		{3, 0, 6, 15, 1, 14, 9, 2, 13, 8, 12, 4, 11, 10, 5, 7},
		{1, 10, 6, 8, 15, 11, 0, 4, 12, 3, 5, 9, 7, 13, 2, 14},
	})
	SboxIdtc26gost28147paramZ = Sbox([8][16]uint8{
		{12, 4, 6, 2, 10, 5, 11, 9, 14, 8, 13, 7, 0, 3, 15, 1},
		{6, 8, 2, 3, 9, 10, 5, 12, 1, 14, 4, 7, 11, 13, 0, 15},
		{11, 3, 5, 8, 2, 15, 10, 13, 14, 1, 7, 4, 12, 9, 6, 0},
		{12, 8, 2, 1, 13, 4, 15, 6, 7, 0, 10, 5, 3, 14, 9, 11},
		{7, 15, 5, 10, 8, 1, 6, 13, 0, 9, 3, 14, 11, 4, 2, 12},
		{5, 13, 15, 6, 9, 2, 12, 10, 11, 7, 8, 1, 4, 3, 14, 0},
		{8, 14, 2, 5, 6, 9, 1, 12, 15, 4, 11, 0, 13, 10, 3, 7},
		{1, 7, 14, 13, 0, 5, 8, 3, 4, 15, 10, 6, 9, 12, 11, 2},
	})
	SboxIdGostR341194TestParamSet = Sbox([8][16]uint8{
		{4, 10, 9, 2, 13, 8, 0, 14, 6, 11, 1, 12, 7, 15, 5, 3},
		{14, 11, 4, 12, 6, 13, 15, 10, 2, 3, 8, 1, 0, 7, 5, 9},
		{5, 8, 1, 13, 10, 3, 4, 2, 14, 15, 12, 7, 6, 0, 9, 11},
		{7, 13, 10, 1, 0, 8, 9, 15, 14, 4, 6, 12, 11, 2, 5, 3},
		{6, 12, 7, 1, 5, 15, 13, 8, 4, 10, 9, 14, 0, 3, 11, 2},
		{4, 11, 10, 0, 7, 2, 1, 13, 3, 6, 8, 5, 9, 12, 15, 14},
		{13, 11, 4, 1, 3, 15, 5, 9, 0, 10, 14, 7, 6, 8, 2, 12},
		{1, 15, 13, 0, 5, 7, 10, 4, 9, 2, 3, 14, 6, 11, 8, 12},
	})
	SboxAppliedCryptographyParamSet    = SboxIdGostR341194TestParamSet
	SboxIdGostR341194CryptoProParamSet = Sbox([8][16]uint8{
		{10, 4, 5, 6, 8, 1, 3, 7, 13, 12, 14, 0, 9, 2, 11, 15},
		{5, 15, 4, 0, 2, 13, 11, 9, 1, 7, 6, 3, 12, 14, 10, 8},
		{7, 15, 12, 14, 9, 4, 1, 0, 3, 11, 5, 2, 6, 10, 8, 13},
		{4, 10, 7, 12, 0, 15, 2, 8, 14, 1, 6, 5, 13, 11, 9, 3},
		{7, 6, 4, 11, 9, 12, 2, 10, 1, 8, 0, 14, 15, 13, 3, 5},
		{7, 6, 2, 4, 13, 9, 15, 0, 10, 1, 5, 11, 8, 14, 12, 3},
		{13, 14, 4, 1, 7, 0, 5, 10, 3, 12, 8, 15, 6, 2, 9, 11},
		{1, 3, 10, 9, 5, 11, 4, 15, 8, 6, 7, 14, 13, 0, 2, 12},
	})
	SboxEACParamSet = Sbox([8][16]uint8{
		{11, 4, 8, 10, 9, 7, 0, 3, 1, 6, 2, 15, 14, 5, 12, 13},
		{1, 7, 14, 9, 11, 3, 15, 12, 0, 5, 4, 6, 13, 10, 8, 2},
		{7, 3, 1, 9, 2, 4, 13, 15, 8, 10, 12, 6, 5, 0, 11, 14},
		{10, 5, 15, 7, 14, 11, 3, 9, 2, 8, 1, 12, 0, 4, 6, 13},
		{0, 14, 6, 11, 9, 3, 8, 4, 12, 15, 10, 5, 13, 7, 1, 2},
		{9, 2, 11, 12, 0, 4, 5, 6, 3, 15, 13, 8, 1, 7, 14, 10},
		{4, 0, 14, 1, 5, 11, 8, 3, 12, 2, 9, 7, 6, 10, 13, 15},
		{7, 14, 12, 13, 9, 4, 8, 15, 10, 2, 6, 0, 3, 11, 5, 1},
	})
	SboxDefault = &SboxIdGost2814789CryptoProAParamSet
)
View Source 
var (
	SeqMAC = Seq([]uint8{
		0, 1, 2, 3, 4, 5, 6, 7,
		0, 1, 2, 3, 4, 5, 6, 7,
	})
)

Functions

This section is empty.

Types

type CFBDecrypter 

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

func (*CFBDecrypter) XORKeyStream 

func (c *CFBDecrypter) XORKeyStream(dst, src []byte)

type CFBEncrypter 

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

func (*CFBEncrypter) XORKeyStream 

func (c *CFBEncrypter) XORKeyStream(dst, src []byte)

type CTR 

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

func (*CTR) XORKeyStream 

func (c *CTR) XORKeyStream(dst, src []byte)

type Cipher 

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

func NewCipher 

func NewCipher(key []byte, sbox *Sbox) *Cipher

func (*Cipher) BlockSize 

func (c *Cipher) BlockSize() int

func (*Cipher) Decrypt 

func (c *Cipher) Decrypt(dst, src []byte)

Decrypt single block. If provided slices are shorter than the block size, then it will panic.

func (*Cipher) Encrypt 

func (c *Cipher) Encrypt(dst, src []byte)

Encrypt single block. If provided slices are shorter than the block size, then it will panic.

func (*Cipher) NewCFBDecrypter 

func (c *Cipher) NewCFBDecrypter(iv []byte) *CFBDecrypter

func (*Cipher) NewCFBEncrypter 

func (c *Cipher) NewCFBEncrypter(iv []byte) *CFBEncrypter

func (*Cipher) NewCTR 

func (c *Cipher) NewCTR(iv []byte) *CTR

func (*Cipher) NewECBDecrypter 

func (c *Cipher) NewECBDecrypter() *ECBDecrypter

func (*Cipher) NewECBEncrypter 

func (c *Cipher) NewECBEncrypter() *ECBEncrypter

func (*Cipher) NewMAC 

func (c *Cipher) NewMAC(size int, iv []byte) (*MAC, error)

Create MAC with given tag size and initial initialization vector. Size is in bytes and must be between 1 and 8. To be RFC conformant, iv must be the first block of the authenticated data, second and following ones are fed to Write function.

type ECBDecrypter 

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

func (*ECBDecrypter) BlockSize 

func (e *ECBDecrypter) BlockSize() int

func (*ECBDecrypter) CryptBlocks 

func (e *ECBDecrypter) CryptBlocks(dst, src []byte)

type ECBEncrypter 

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

func (*ECBEncrypter) BlockSize 

func (e *ECBEncrypter) BlockSize() int

func (*ECBEncrypter) CryptBlocks 

func (e *ECBEncrypter) CryptBlocks(dst, src []byte)

type MAC 

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

func (*MAC) BlockSize 

func (m *MAC) BlockSize() int

func (*MAC) Reset 

func (m *MAC) Reset()

func (*MAC) Size 

func (m *MAC) Size() int

func (*MAC) Sum 

func (m *MAC) Sum(b []byte) []byte

func (*MAC) Write 

func (m *MAC) Write(b []byte) (int, error)

type Sbox 

type Sbox [8][16]uint8

Sbox is a representation of eight substitution boxes.

type Seq 

type Seq []uint8

Seq contains iteration numbers used in the encryption function itself. For example 28147 encryption and decryption process differs only with this sequence.

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.