cryptox

package

v1.0.0 Latest Latest Go to latest Published: Nov 6, 2022 License: MIT Imports: 20 Imported by: 0

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Repository

github.com/aesoper101/go-utils

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Documentation ¶

Index ¶

Constants
Variables
func HmacSha256(data []byte, key string) string
func HmacSha256String(data string, key string) string
func MD5(data []byte) *encodex.Encode
func NotAesValidKeySize(k KeySize) bool
func PadZeroKey(key []byte, size int) []byte
func RSADecrypt(src, priKey []byte) ([]byte, error)
func RSAEncrypt(src, pubKey []byte) ([]byte, error)
func RSAGenerateKey(bits int, out io.Writer) error
func RSAGeneratePublicKey(priKey []byte, out io.Writer) error
func RSASign(src []byte, priKey []byte, hash ...crypto.Hash) ([]byte, error)
func RSAVerify(src, sign, pubKey []byte, hash ...crypto.Hash) error
func SHA1(data []byte) *encodex.Encode
func SHA224(data []byte) *encodex.Encode
func SHA256(data []byte) *encodex.Encode
func SHA384(data []byte) *encodex.Encode
func SHA512(data []byte) *encodex.Encode
type Crypto
- func NewAES(fns ...OptionFn) (Crypto, error)
- func NewDES(fns ...OptionFn) (Crypto, error)
- func NewDES3(fns ...OptionFn) (Crypto, error)
- func NewRC4(key []byte) (Crypto, error)
type KeySize
- func (k KeySize) Int() int
- func (k KeySize) Not(size KeySize) bool
type Method
- func (m Method) Is(m1 Method) bool
- func (m Method) String() string
type OptionFn
- func WithIV(iv []byte) OptionFn
- func WithKey(key []byte) OptionFn
- func WithKeySize(keySize KeySize) OptionFn
- func WithMethod(method Method) OptionFn
- func WithMode(m mode.Mode) OptionFn
- func WithPadding(p padding.Mode) OptionFn
type RC4
- func (r *RC4) Decrypt(ciphertext []byte) (plaintext []byte, err error)
- func (r *RC4) Encrypt(plaintext []byte) (*encodex.Encode, error)

Constants ¶

View Source

const (
	AES  = "AES"
	DES  = "DES"
	DES3 = "DES3"
)

Variables ¶

View Source

var (
	ErrAesKeySize          = errors.New("key size must be 16, 24, or 32 bytes")
	ErrDesKeySize          = errors.New("key size must be 8")
	ErrAesNotSupportedGcm  = errors.New("aes-gcm not supported")
	ErrDesNotSupportedGcm  = errors.New("des-gcm not supported")
	ErrDes3NotSupportedGcm = errors.New("des3-gcm not supported")
)

Functions ¶

func HmacSha256 ¶

func HmacSha256(data []byte, key string) string

func HmacSha256String ¶

func HmacSha256String(data string, key string) string

func MD5 ¶

func MD5(data []byte) *encodex.Encode

MD5 returns the MD5 hash of the string

func NotAesValidKeySize ¶

func NotAesValidKeySize(k KeySize) bool

func PadZeroKey ¶

func PadZeroKey(key []byte, size int) []byte

func RSADecrypt ¶

func RSADecrypt(src, priKey []byte) ([]byte, error)

RSADecrypt decrypts data.tmpl using RSA private key.

func RSAEncrypt ¶

func RSAEncrypt(src, pubKey []byte) ([]byte, error)

RSAEncrypt encrypts data.tmpl with rsa public key

func RSAGenerateKey ¶

func RSAGenerateKey(bits int, out io.Writer) error

RSAGenerateKey generates a new RSA key pair.

func RSAGeneratePublicKey ¶

func RSAGeneratePublicKey(priKey []byte, out io.Writer) error

RSAGeneratePublicKey generates a public key from a private key

func RSASign ¶

func RSASign(src []byte, priKey []byte, hash ...crypto.Hash) ([]byte, error)

RSASign signs the given data.tmpl using the given private key. The hash defaults to crypto.SHA256

func RSAVerify ¶

func RSAVerify(src, sign, pubKey []byte, hash ...crypto.Hash) error

RSAVerify verifies the given data.tmpl using the given public key. The hash defaults to crypto.SHA256

func SHA1 ¶

func SHA1(data []byte) *encodex.Encode

SHA1 returns the SHA1 hash of the string

func SHA224 ¶

func SHA224(data []byte) *encodex.Encode

func SHA256 ¶

func SHA256(data []byte) *encodex.Encode

func SHA384 ¶

func SHA384(data []byte) *encodex.Encode

func SHA512 ¶

func SHA512(data []byte) *encodex.Encode

Types ¶

type Crypto ¶

type Crypto interface {
	Encrypt(plaintext []byte) (*encodex.Encode, error)
	Decrypt(ciphertext []byte) (plaintext []byte, err error)
}

func NewAES ¶

func NewAES(fns ...OptionFn) (Crypto, error)

func NewDES ¶

func NewDES(fns ...OptionFn) (Crypto, error)

func NewDES3 ¶

func NewDES3(fns ...OptionFn) (Crypto, error)

func NewRC4 ¶

func NewRC4(key []byte) (Crypto, error)

type KeySize ¶

type KeySize int

const (
	KeySize128 KeySize = 16
	KeySize192 KeySize = 24
	KeySize256 KeySize = 32

	// KeySize64 is supported by Des, but not by AES.
	KeySize64 KeySize = 8
)

func (KeySize) Int ¶

func (k KeySize) Int() int

func (KeySize) Not ¶

func (k KeySize) Not(size KeySize) bool

type Method ¶

type Method string

func (Method) Is ¶

func (m Method) Is(m1 Method) bool

func (Method) String ¶

func (m Method) String() string

type OptionFn ¶

type OptionFn func(*options)

func WithIV ¶

func WithIV(iv []byte) OptionFn

func WithKey ¶

func WithKey(key []byte) OptionFn

func WithKeySize ¶

func WithKeySize(keySize KeySize) OptionFn

func WithMethod ¶

func WithMethod(method Method) OptionFn

func WithMode ¶

func WithMode(m mode.Mode) OptionFn

func WithPadding ¶

func WithPadding(p padding.Mode) OptionFn

type RC4 ¶

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

func (*RC4) Decrypt ¶

func (r *RC4) Decrypt(ciphertext []byte) (plaintext []byte, err error)

func (*RC4) Encrypt ¶

func (r *RC4) Encrypt(plaintext []byte) (*encodex.Encode, error)

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
cipher
mode
padding

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