crypto

package
v0.0.0-...-8079b06 Latest Latest
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 Go to latest Published: Jun 3, 2018 License: LGPL-3.0 Imports: 22 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	KEY_LENGTH      = 8
	KEY_LENGTH_24   = KEY_LENGTH * 3
	KEY_LENGTH_128  = KEY_LENGTH * 16
	KEY_LENGTH_192  = KEY_LENGTH * 24
	KEY_LENGTH_256  = KEY_LENGTH * 32
	KEY_LENGTH_1024 = KEY_LENGTH * 128
	KEY_LENGTH_2048 = KEY_LENGTH * 256
)
View Source 
const (
	LENGTH_IV           = 32
	LENGTH_TJ           = 64
	LENGTH_BYTES_OF_INT = 4
	LENGTH_DIGEST       = 32
	LENGTH_BLOCK        = 64
	TJ_START            = 0xA748B290
	DEFAULT_IV          = "a12BC!@&def568%$Gh9#ijKlmNoPqr43"
	DEFAULT_GAP         = 256
)

Variables

View Source 
var (
	MD5       = md5.New()
	SHA1      = sha1.New()
	SHA256    = sha256.New()
	SHA512    = sha512.New()
	CHINA_SM3 = NewSM3()
)

Functions

func Digest 

func Digest(hash hash.Hash, src []byte) []byte

message digest, with given hash algorithm. hash should be MD5,SHA1,SHA256,SHA512,CHINA_SM3, which is defined in current file src is the bytes to be digested

func DigestString 

func DigestString(hash hash.Hash, src string, base64Encoding bool) string

message digest, with given hash algorithm. hash should be MD5,SHA1,SHA256,SHA512,CHINA_SM3, which is defined in current file src is the string to be digested if base64Encoding is true, result string will be encoded with base64, else will be encoded with hex

func DigestX 

func DigestX(hash hash.Hash, src []byte) []byte

message digest, with given hash algorith. after digested, src will be added to result. hash should be MD5,SHA1,SHA256,SHA512,CHINA_SM3, which is defined in current file src is the bytes to be digested

func DigestXString 

func DigestXString(hash hash.Hash, src string, base64Encoding bool) string

message digest, with given hash algorithm. after digested, src will be added to result. hash should be MD5,SHA1,SHA256,SHA512,CHINA_SM3, which is defined in current file src is the string to be digested if base64Encoding is true, result string will be encoded with base64, else will be encoded with hex

func SM3Digest 

func SM3Digest(src []byte) []byte

func SM3Digest2 

func SM3Digest2(src []byte, iv string, gap int16) []byte

func SM3DigestString 

func SM3DigestString(src string, base64Encoding bool) string

func SM3DigestString2 

func SM3DigestString2(src string, base64Encoding bool, iv string, gap int16) string

Types

type AES 

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

func NewAESInstance 

func NewAESInstance(key string) (*AES, error)

create aes instance, use given key string. in this method, key length is set to 128bit, and iv equals to key

func NewAESInstance2 

func NewAESInstance2(key string, keyLength int) (*AES, error)

create aes instance with given key string & key length. key length should be 128, 256, 512 etc. in this method, iv equals to key

func NewAESInstance3 

func NewAESInstance3(key, iv string) (*AES, error)

create aes instance with given key & iv string. in this method, key length is set to 128bit

func NewAESInstance4 

func NewAESInstance4(key, iv string, keyLength int) (*AES, error)

create aes instance with given key & iv string & key length.

func NewAESInstance5 

func NewAESInstance5(key []byte, keyLength int) (*AES, error)

create aes instance with given key bytes & key length. in this method, iv equals to key

func NewAESInstance6 

func NewAESInstance6(key, iv []byte, keyLength int) (*AES, error)

create aes instance with given key/iv bytes & key length.

func (*AES) Decrypt 

func (a *AES) Decrypt(encrypted []byte) []byte

decrypt encrypted bytes. encrypted should be encrypted in CBC mode

func (*AES) DecryptString 

func (a *AES) DecryptString(encrypted string, base64Encoding bool) (string, error)

decrypt encrypted string. encrypted should be encrypted in CBC mode if base64Encoding is true, means the encrypted string is encoded with base64, else is encoded with hex

func (*AES) Encrypt 

func (a *AES) Encrypt(src []byte) []byte

encrypt src bytes. just support CBC mode

func (*AES) EncryptString 

func (a *AES) EncryptString(src string, base64Encoding bool) string

encrypt src string. just supprt CBC mode if base64Encoding is true, result will be encoded with base64, else with hex

type DES 

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

func NewDESInstance 

func NewDESInstance(key string) (*DES, error)

func NewDESInstance2 

func NewDESInstance2(key, iv string) (*DES, error)

func NewDESInstance3 

func NewDESInstance3(key []byte) (*DES, error)

func NewDESInstance4 

func NewDESInstance4(key, iv []byte) (*DES, error)

func NewTriDESInstance 

func NewTriDESInstance(key string) (*DES, error)

func NewTriDESInstance2 

func NewTriDESInstance2(key, iv string) (*DES, error)

func NewTriDESInstance3 

func NewTriDESInstance3(key []byte) (*DES, error)

func NewTriDESInstance4 

func NewTriDESInstance4(key, iv []byte) (*DES, error)

func (*DES) DESDecrypt 

func (d *DES) DESDecrypt(encrypted []byte) []byte

func (*DES) DESDecryptString 

func (d *DES) DESDecryptString(encrypted string, base64Encoding bool) (string, error)

func (*DES) DESEncrypt 

func (d *DES) DESEncrypt(src []byte) []byte

func (*DES) DESEncryptString 

func (d *DES) DESEncryptString(src string, base64Encoding bool) string

func (*DES) TriDESDecrypt 

func (d *DES) TriDESDecrypt(encrypted []byte) []byte

func (*DES) TriDESDecryptString 

func (d *DES) TriDESDecryptString(encrypted string, base64Encoding bool) (string, error)

func (*DES) TriDESEncrypt 

func (d *DES) TriDESEncrypt(src []byte) []byte

func (*DES) TriDESEncryptString 

func (d *DES) TriDESEncryptString(src string, base64Encoding bool) string

type DSA 

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

func NewDSAInstance 

func NewDSAInstance() *DSA

func (*DSA) GenKeyPair 

func (d *DSA) GenKeyPair(paramSize dsa.ParameterSizes) error

func (*DSA) Sign 

func (d *DSA) Sign(src []byte) (r, s *big.Int, err error)

func (*DSA) Sign2 

func (d *DSA) Sign2(src []byte, hash crypto.Hash) (r, s *big.Int, err error)

func (*DSA) SignString 

func (d *DSA) SignString(src string, base64Encoding bool) (r, s string, err error)

func (*DSA) Verify 

func (d *DSA) Verify(src []byte, r, s *big.Int) bool

func (*DSA) Verify2 

func (d *DSA) Verify2(src []byte, hash crypto.Hash, r, s *big.Int) bool

func (*DSA) VerifyString 

func (d *DSA) VerifyString(src, r, s string, base64Encoding bool) (bool, error)

type ECDSA 

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

func NewECDSAInstance 

func NewECDSAInstance() *ECDSA

func (*ECDSA) GenKeyPair 

func (e *ECDSA) GenKeyPair(c elliptic.Curve) error

func (*ECDSA) LoadKeyPair 

func (e *ECDSA) LoadKeyPair(pubKeyFile, priKeyFile string) error

func (*ECDSA) LoadPrivateKey 

func (e *ECDSA) LoadPrivateKey(priKeyFile string) error

func (*ECDSA) LoadPublicKey 

func (e *ECDSA) LoadPublicKey(pubKeyFile string) error

func (*ECDSA) SaveKeyPair 

func (e *ECDSA) SaveKeyPair(pubKeyFile, priKeyFile string) error

func (*ECDSA) SavePrivateKey 

func (e *ECDSA) SavePrivateKey(priKeyFile string) error

func (*ECDSA) SavePublicKey 

func (e *ECDSA) SavePublicKey(pubKeyFile string) error

func (*ECDSA) Sign 

func (e *ECDSA) Sign(src []byte) (r, s *big.Int, err error)

func (*ECDSA) Sign2 

func (e *ECDSA) Sign2(src []byte, hash crypto.Hash) (r, s *big.Int, err error)

func (*ECDSA) SignString 

func (e *ECDSA) SignString(src string, base64Encoding bool) (r, s string, err error)

func (*ECDSA) Verify 

func (e *ECDSA) Verify(src []byte, r, s *big.Int) bool

func (*ECDSA) Verify2 

func (e *ECDSA) Verify2(src []byte, hash crypto.Hash, r, s *big.Int) bool

func (*ECDSA) VerifyString 

func (e *ECDSA) VerifyString(src, r, s string, base64Encoding bool) (bool, error)

type RC4 

type RC4 struct {
	// contains filtered or unexported fields
}

func NewRC4Instance 

func NewRC4Instance(key string) (*RC4, error)

func NewRC4Instance2 

func NewRC4Instance2(key string, keyLength int) (*RC4, error)

func NewRC4Instance3 

func NewRC4Instance3(key, iv string) (*RC4, error)

func NewRC4Instance4 

func NewRC4Instance4(key, iv string, keyLength int) (*RC4, error)

func NewRC4Instance5 

func NewRC4Instance5(key []byte, keyLength int) (*RC4, error)

func NewRC4Instance6 

func NewRC4Instance6(key, iv []byte, keyLength int) (*RC4, error)

func (*RC4) Decrypt 

func (a *RC4) Decrypt(encrypted []byte) []byte

func (*RC4) DecryptString 

func (a *RC4) DecryptString(encrypted string, base64Encoding bool) (string, error)

func (*RC4) Encrypt 

func (a *RC4) Encrypt(src []byte) []byte

func (*RC4) EncryptString 

func (a *RC4) EncryptString(src string, base64Encoding bool) string

type RSA 

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

func NewRSAInstance 

func NewRSAInstance() *RSA

func (*RSA) Decrypt 

func (r *RSA) Decrypt(encrypted []byte) ([]byte, error)

func (*RSA) DecryptString 

func (r *RSA) DecryptString(encrypted string, base64Encoding bool) (string, error)

func (*RSA) Encrypt 

func (r *RSA) Encrypt(src []byte) ([]byte, error)

func (*RSA) EncryptString 

func (r *RSA) EncryptString(src string, base64Encoding bool) (string, error)

func (*RSA) GenKeyPair 

func (r *RSA) GenKeyPair(keyLength int) error

func (*RSA) LoadKeyPair 

func (r *RSA) LoadKeyPair(pubKeyFile, priKeyFile string) error

func (*RSA) LoadPrivateKey 

func (r *RSA) LoadPrivateKey(priKeyFile string) error

func (*RSA) LoadPublicKey 

func (r *RSA) LoadPublicKey(pubKeyFile string) error

func (*RSA) SaveKeyPair 

func (r *RSA) SaveKeyPair(pubKeyFile, priKeyFile string) error

func (*RSA) SavePrivateKey 

func (r *RSA) SavePrivateKey(priKeyFile string) error

func (*RSA) SavePublicKey 

func (r *RSA) SavePublicKey(pubKeyFile string) error

func (*RSA) Sign 

func (r *RSA) Sign(src []byte) ([]byte, error)

func (*RSA) Sign2 

func (r *RSA) Sign2(src []byte, hash crypto.Hash) ([]byte, error)

func (*RSA) SignString 

func (r *RSA) SignString(src string, base64Encoding bool) (string, error)

func (*RSA) Verify 

func (r *RSA) Verify(src, sign []byte) error

func (*RSA) Verify2 

func (r *RSA) Verify2(src, sign []byte, hash crypto.Hash) error

func (*RSA) VerifyString 

func (r *RSA) VerifyString(src, sign string, base64Encoding bool) error

type SM3 

type SM3 struct {
	// contains filtered or unexported fields
}

func Clone 

func Clone(sm3 SM3) *SM3

func New2SM3 

func New2SM3(iv string, gap int16) *SM3

func NewSM3 

func NewSM3() *SM3

func (*SM3) BlockSize 

func (sm3 *SM3) BlockSize() int

func (*SM3) Reset 

func (sm3 *SM3) Reset()

func (*SM3) Size 

func (sm3 *SM3) Size() int

func (*SM3) Sum 

func (sm3 *SM3) Sum(b []byte) []byte

func (*SM3) Write 

func (sm3 *SM3) Write(b []byte) (nn int, err error)

Source Files

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