cipher

package

v0.1.7 Latest Latest Go to latest Published: Sep 16, 2021 License: AGPL-3.0 Imports: 9 Imported by: 0

Details

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Learn more about best practices

Repository

github.com/Qv2ray/mmp-go

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func EVPBytesToKey(password string, keyLen int) (key []byte)
func MD5Sum(d []byte) []byte
func NewGcm(key []byte) (cipher.AEAD, error)
func NewPC20P1305(key []byte) (smaead.PartialAEAD, error)
func NewPGcm(key []byte) (smaead.PartialAEAD, error)
type CipherConf
- func (conf *CipherConf) UnsafeVerifyATyp(buf []byte, masterKey []byte, salt []byte, cipherText []byte, subKey *[]byte) bool
- func (conf *CipherConf) Verify(buf []byte, masterKey []byte, salt []byte, cipherText []byte, subKey *[]byte) ([]byte, bool)

Constants ¶

View Source

const (
	MaxNonceSize = 12
	ATypeIPv4    = 1
	ATypeDomain  = 3
	ATypeIpv6    = 4
)

Variables ¶

View Source

var (
	CiphersConf = map[string]CipherConf{
		"chacha20-ietf-poly1305": {KeyLen: 32, SaltLen: 32, NonceLen: 12, TagLen: 16, NewCipher: chacha20poly1305.New, NewPartialCipher: NewPC20P1305},
		"chacha20-poly1305":      {KeyLen: 32, SaltLen: 32, NonceLen: 12, TagLen: 16, NewCipher: chacha20poly1305.New, NewPartialCipher: NewPC20P1305},
		"aes-256-gcm":            {KeyLen: 32, SaltLen: 32, NonceLen: 12, TagLen: 16, NewCipher: NewGcm, NewPartialCipher: NewPGcm},
		"aes-128-gcm":            {KeyLen: 16, SaltLen: 16, NonceLen: 12, TagLen: 16, NewCipher: NewGcm, NewPartialCipher: NewPGcm},
	}
	ZeroNonce  [MaxNonceSize]byte
	ReusedInfo = []byte("ss-subkey")
)

Functions ¶

func EVPBytesToKey ¶

func EVPBytesToKey(password string, keyLen int) (key []byte)

func MD5Sum ¶

func MD5Sum(d []byte) []byte

func NewGcm ¶

func NewGcm(key []byte) (cipher.AEAD, error)

func NewPC20P1305 ¶ added in v0.1.3

func NewPC20P1305(key []byte) (smaead.PartialAEAD, error)

func NewPGcm ¶ added in v0.1.3

func NewPGcm(key []byte) (smaead.PartialAEAD, error)

Types ¶

type CipherConf ¶

type CipherConf struct {
	KeyLen           int
	SaltLen          int
	NonceLen         int
	TagLen           int
	NewCipher        func(key []byte) (cipher.AEAD, error)
	NewPartialCipher func(key []byte) (smaead.PartialAEAD, error)
}

func (*CipherConf) UnsafeVerifyATyp ¶ added in v0.1.3

func (conf *CipherConf) UnsafeVerifyATyp(buf []byte, masterKey []byte, salt []byte, cipherText []byte, subKey *[]byte) bool

Warning: UnsafeVerifyATyp brings less than 25% performance improvement in most cases. It is dangerous and NOT recommended. Do not use it if you feel unnecessary.

func (*CipherConf) Verify ¶

func (conf *CipherConf) Verify(buf []byte, masterKey []byte, salt []byte, cipherText []byte, subKey *[]byte) ([]byte, bool)

Source Files ¶

View all Source files

cipher.go

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