gost34112012256

Documentation

Overview

GOST R 34.11-2012 256-bit hash function. RFC 6986.

Index

• Constants
• func New() hash.Hash
• type ESPTree
  • func NewESPTree(keyRoot []byte) *ESPTree
  • func (t *ESPTree) Derive(is []byte) []byte
  • func (t *ESPTree) DeriveCached(is []byte) ([]byte, bool)
• type KDF
  • func NewKDF(key []byte) *KDF
  • func (kdf *KDF) Derive(dst, label, seed []byte) (r []byte)
• type TLSTree
  • func NewTLSTree(params TLSTreeParams, keyRoot []byte) *TLSTree
  • func (t *TLSTree) Derive(seqNum uint64) []byte
  • func (t *TLSTree) DeriveCached(seqNum uint64) ([]byte, bool)
• type TLSTreeParams

Constants

const (
	BlockSize = gost34112012.BlockSize
	Size      = 32
)

Functions

func New

func New() hash.Hash

Types

type ESPTree

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

func NewESPTree

func NewESPTree(keyRoot []byte) *ESPTree

func (*ESPTree) Derive

func (t *ESPTree) Derive(is []byte) []byte

func (*ESPTree) DeriveCached

func (t *ESPTree) DeriveCached(is []byte) ([]byte, bool)

type KDF

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

func NewKDF

func NewKDF(key []byte) *KDF

func (*KDF) Derive

func (kdf *KDF) Derive(dst, label, seed []byte) (r []byte)

type TLSTree

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

func NewTLSTree

func NewTLSTree(params TLSTreeParams, keyRoot []byte) *TLSTree

func (*TLSTree) Derive

func (t *TLSTree) Derive(seqNum uint64) []byte

func (*TLSTree) DeriveCached

func (t *TLSTree) DeriveCached(seqNum uint64) ([]byte, bool)

type TLSTreeParams

type TLSTreeParams [3]uint64

var (
	TLSGOSTR341112256WithMagmaCTROMAC TLSTreeParams = TLSTreeParams{
		binary.BigEndian.Uint64([]byte{0xFF, 0xFF, 0xFF, 0xC0, 0x00, 0x00, 0x00, 0x00}),
		binary.BigEndian.Uint64([]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0x00, 0x00, 0x00}),
		binary.BigEndian.Uint64([]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x00}),
	}
	TLSGOSTR341112256WithKuznyechikCTROMAC TLSTreeParams = TLSTreeParams{
		binary.BigEndian.Uint64([]byte{0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00}),
		binary.BigEndian.Uint64([]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF8, 0x00, 0x00}),
		binary.BigEndian.Uint64([]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xC0}),
	}
	TLSGOSTR341112256WithKuznyechikMGML TLSTreeParams = TLSTreeParams{
		binary.BigEndian.Uint64([]byte{0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}),
		binary.BigEndian.Uint64([]byte{0xFF, 0xFF, 0xFF, 0xF0, 0x00, 0x00, 0x00, 0x00}),
		binary.BigEndian.Uint64([]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x00}),
	}
	TLSGOSTR341112256WithMagmaMGML TLSTreeParams = TLSTreeParams{
		binary.BigEndian.Uint64([]byte{0xFF, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}),
		binary.BigEndian.Uint64([]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xC0, 0x00, 0x00, 0x00}),
		binary.BigEndian.Uint64([]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x80}),
	}
	TLSGOSTR341112256WithKuznyechikMGMS TLSTreeParams = TLSTreeParams{
		binary.BigEndian.Uint64([]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x00, 0x00, 0x00}),
		binary.BigEndian.Uint64([]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00}),
		binary.BigEndian.Uint64([]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF8}),
	}
	TLSGOSTR341112256WithMagmaMGMS TLSTreeParams = TLSTreeParams{
		binary.BigEndian.Uint64([]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFC, 0x00, 0x00, 0x00}),
		binary.BigEndian.Uint64([]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x00}),
		binary.BigEndian.Uint64([]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}),
	}
)