kuznechik

package module

v0.0.0 Latest Latest Go to latest Published: Apr 12, 2022 License: ISC Imports: 3 Imported by: 4

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Valid go.mod file

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GOST R 34.12-2015 128-bit block cipher Кузнечик (Kuznechik) (RFC 7801)

GOST 34.12-2015 128-bit Кузнечик (Kuznechik) block cipher.

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const BlockSize = 16

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var CipherInitialized = false

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var LS_enc_lookup [16][256][16]uint8

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var L_inv_lookup [16][256][16]uint8

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var L_vector = [16]uint8{0x94, 0x20, 0x85, 0x10, 0xC2, 0xC0, 0x01, 0xFB, 0x01, 0xC0, 0xC2, 0x10, 0x85, 0x20, 0x94, 0x01}

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var Pi_inverse_table = [256]uint8{}/* 256 elements not displayed */

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var Pi_table = [256]uint8{}/* 256 elements not displayed */

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var SL_dec_lookup [16][256][16]uint8

func Decrypt(key [32]uint8, block [16]uint8) [16]uint8

func Decrypt_K(rkeys [10][16]uint8, block [16]uint8) [16]uint8

func Decrypt_L(key [32]uint8, block [16]uint8) [16]uint8

func Encrypt(key [32]uint8, block [16]uint8) [16]uint8

func Encrypt_K(rkeys [10][16]uint8, block [16]uint8) [16]uint8

func GF2_mul(x, y uint8) uint8

func GetDecryptRoundKeys(rkeys [10][16]uint8) [10][16]uint8

func InitCipher()

func L(block [16]uint8) [16]uint8

func L_inv(block [16]uint8) [16]uint8

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

func StretchKey(key [32]uint8) [10][16]uint8

type KeySizeError int

func (k KeySizeError) Error() string