crypto

Documentation

Index

• Constants
• Variables
• func CopyBytesToInt64(dest []uint64, src []byte)
• func CopyInt64ToBytes(dest []byte, src []uint64)
• func DecryptFile(filename string, key []byte)
• func EncryptFile(filename string, key []byte)
• func EncryptSysData(data []byte, key []byte)
• func Pbkdf1(pass, salt string, count, dkLen int) ([]byte, error)
• type CBC
  • func (c CBC) Decrypt(cipherData []byte) ([]byte, error)
  • func (c CBC) Encrypt(plainData []byte) ([]byte, error)
  • func (c *CBC) Init()
• type Cipher
• type CtxtHeader
• type GCM
  • func (g GCM) Decrypt(cipherData []byte) ([]byte, error)
  • func (g GCM) Encrypt(plainData []byte) ([]byte, error)
  • func (g *GCM) Init()
• type Skein1024
  • func (s *Skein1024) Final(outp []byte)
  • func (s *Skein1024) Init(size uint)
  • func (s *Skein1024) ProcessBlock(blk []byte, kw []uint64, blkCnt, byteCntAdd uint)
  • func (s *Skein1024) Update(msg []byte)

Constants

const (
	SKEIN1024_STATE_WORDS = uint(16)
	SKEIN1024_BLOCK_BYTES = 8 * SKEIN1024_STATE_WORDS
)

const (
	R1024_0_0 = 24
	R1024_0_1 = 13
	R1024_0_2 = 8
	R1024_0_3 = 47
	R1024_0_4 = 8
	R1024_0_5 = 17
	R1024_0_6 = 22
	R1024_0_7 = 37

	R1024_1_0 = 38
	R1024_1_1 = 19
	R1024_1_2 = 10
	R1024_1_3 = 55
	R1024_1_4 = 49
	R1024_1_5 = 18
	R1024_1_6 = 23
	R1024_1_7 = 52

	R1024_2_0 = 33
	R1024_2_1 = 4
	R1024_2_2 = 51
	R1024_2_3 = 13
	R1024_2_4 = 34
	R1024_2_5 = 41
	R1024_2_6 = 59
	R1024_2_7 = 17

	R1024_3_0 = 5
	R1024_3_1 = 20
	R1024_3_2 = 48
	R1024_3_3 = 41
	R1024_3_4 = 47
	R1024_3_5 = 28
	R1024_3_6 = 16
	R1024_3_7 = 25

	R1024_4_0 = 41
	R1024_4_1 = 9
	R1024_4_2 = 37
	R1024_4_3 = 31
	R1024_4_4 = 12
	R1024_4_5 = 47
	R1024_4_6 = 44
	R1024_4_7 = 30

	R1024_5_0 = 16
	R1024_5_1 = 34
	R1024_5_2 = 56
	R1024_5_3 = 51
	R1024_5_4 = 4
	R1024_5_5 = 53
	R1024_5_6 = 42
	R1024_5_7 = 41

	R1024_6_0 = 31
	R1024_6_1 = 44
	R1024_6_2 = 47
	R1024_6_3 = 46
	R1024_6_4 = 19
	R1024_6_5 = 42
	R1024_6_6 = 44
	R1024_6_7 = 25

	R1024_7_0 = 9
	R1024_7_1 = 48
	R1024_7_2 = 35
	R1024_7_3 = 52
	R1024_7_4 = 23
	R1024_7_5 = 31
	R1024_7_6 = 37
	R1024_7_7 = 20
)

Variables

var SKEIN1024_IV_1024 = []uint64{
	0xD593DA0741E72355,
	0x15B5E511AC73E00C,
	0x5180E5AEBAF2C4F0,
	0x03BD41D3FCBCAFAF,
	0x1CAEC6FD1983A898,
	0x6E510B8BCDD0589F,
	0x77E2BDFDC6394ADA,
	0xC11E1DB524DCB0A3,
	0xD6D14AF9C6329AB5,
	0x6A9B0BFC6EB67E0D,
	0x9243C60DCCFF1332,
	0x1A1F1DDE743F02D4,
	0x0996753C10ED0BB8,
	0x6572DD22F2B4969A,
	0x61FD3062D00A579A,
	0x1DE0536E8682E539}

blkSize = 1024 bits. hashSize = 1024 bits

var SKEIN1024_IV_384 = []uint64{
	0x5102B6B8C1894A35,
	0xFEEBC9E3FE8AF11A,
	0x0C807F06E32BED71,
	0x60C13A52B41A91F6,
	0x9716D35DD4917C38,
	0xE780DF126FD31D3A,
	0x797846B6C898303A,
	0xB172C2A8B3572A3B,
	0xC9BC8203A6104A6C,
	0x65909338D75624F4,
	0x94BCC5684B3F81A0,
	0x3EBBF51E10ECFD46,
	0x2DF50F0BEEB08542,
	0x3B5A65300DBC6516,
	0x484B9CD2167BBCE1,
	0x2D136947D4CBAFEA}

var SKEIN1024_IV_512 = []uint64{
	0xCAEC0E5D7C1B1B18,
	0xA01B0E045F03E802,
	0x33840451ED912885,
	0x374AFB04EAEC2E1C,
	0xDF25A0E2813581F7,
	0xE40040938B12F9D2,
	0xA662D539C2ED39B6,
	0xFA8B85CF45D8C75A,
	0x8316ED8E29EDE796,
	0x053289C02E9F91B8,
	0xC3F8EF1D6D518B73,
	0xBDCEC3C4D5EF332E,
	0x549A7E5222974487,
	0x670708725B749816,
	0xB9CD28FBF0581BD1,
	0x0E2940B815804974}

blkSize = 1024 bits. hashSize = 512 bits

Functions

func CopyBytesToInt64

func CopyBytesToInt64(dest []uint64, src []byte)

func CopyInt64ToBytes

func CopyInt64ToBytes(dest []byte, src []uint64)

func DecryptFile

func DecryptFile(filename string, key []byte)

func EncryptFile

func EncryptFile(filename string, key []byte)

func EncryptSysData

func EncryptSysData(data []byte, key []byte)

func Pbkdf1

func Pbkdf1(pass, salt string, count, dkLen int) ([]byte, error)

Pbkdf1 applies a hash function, which shall be SHA-1 to derive keys tools.ietf.org/html/rfc8018#section-5

Types

type CBC

type CBC struct {
	Passphrase string
	// contains filtered or unexported fields
}

CBC represents block cipher mode of operation algorithm

func (CBC) Decrypt

func (c CBC) Decrypt(cipherData []byte) ([]byte, error)

Decrypt decrypts the cipherdat

func (CBC) Encrypt

func (c CBC) Encrypt(plainData []byte) ([]byte, error)

Encrypt encrypts the plaindat

func (*CBC) Init

func (c *CBC) Init()

Init initializes the key based on the passphrase

type Cipher

type Cipher interface {
	Encrypt([]byte) ([]byte, error)
	Decrypt([]byte) ([]byte, error)
	Init()
}

Cipher interfaces to different cryptographies

type CtxtHeader

type CtxtHeader struct {
	T [2]uint64
	// contains filtered or unexported fields
}

type GCM

type GCM struct {
	Passphrase string
	// contains filtered or unexported fields
}

GCM represents Galois/Counter Mode

func (GCM) Decrypt

func (g GCM) Decrypt(cipherData []byte) ([]byte, error)

Decrypt decrypts the cipherdata

func (GCM) Encrypt

func (g GCM) Encrypt(plainData []byte) ([]byte, error)

Encrypt encrypts the plaindata

func (*GCM) Init

func (g *GCM) Init()

Init initializes the key based on the passphrase

type Skein1024

type Skein1024 struct {
	X [SKEIN1024_STATE_WORDS]uint64
	// contains filtered or unexported fields
}

func (*Skein1024) Final

func (s *Skein1024) Final(outp []byte)

func (*Skein1024) Init

func (s *Skein1024) Init(size uint)

func (*Skein1024) ProcessBlock

func (s *Skein1024) ProcessBlock(blk []byte, kw []uint64, blkCnt, byteCntAdd uint)

func (*Skein1024) Update

func (s *Skein1024) Update(msg []byte)