rsa

Documentation

Index

• Variables
• func SetLogLevel(level log4go.Level)
• type Cipher
  • func NewCipher(key Key, padding Padding, cipherMode CipherMode, signMode SignMode) Cipher
• type CipherMode
  • func NewOAEPCipher() CipherMode
  • func NewPKCS1v15Cipher() CipherMode
• type Key
  • func LoadKeyFromDerFile(publicKeyFilePath, privateKeyFilePath string, ...) (Key, error)
  • func LoadKeyFromPEMByte(pukBytes, prkBytes []byte, ParseKey func([]byte, []byte) (Key, error)) (Key, error)
  • func LoadKeyFromPEMFile(publicKeyFilePath, privateKeyFilePath string, ...) (Key, error)
  • func ParsePKCS1Key(publicKey, privateKey []byte) (Key, error)
  • func ParsePKCS1KeyByCert(publicKey, privateKey []byte) (Key, error)
  • func ParsePKCS1PriKey(privateKey []byte) (Key, error)
  • func ParsePKCS1PubKey(publicKey []byte) (Key, error)
  • func ParsePKCS8Key(publicKey, privateKey []byte) (Key, error)
  • func ParsePKCS8PriKey(privateKey []byte) (Key, error)
  • func ParsePKCS8PubKey(publicKey []byte) (Key, error)
• type Padding
  • func NewNoPadding(modulus int) Padding
  • func NewOAEPPadding(modulus int) Padding
  • func NewPKCS1Padding(modulus int) Padding
• type SignMode
  • func NewPKCS1v15Sign() SignMode

Variables

var (
	ErrDataToLarge     = errors.New("message too long for RSA public key size")
	ErrDataLen         = errors.New("data length error")
	ErrDataBroken      = errors.New("data broken, first byte is not zero")
	ErrKeyPairDismatch = errors.New("data is not encrypted by the private key")
	ErrDecryption      = errors.New("decryption error")
)

Functions

func SetLogLevel

func SetLogLevel(level log4go.Level)

Types

type Cipher

type Cipher interface {
	Encrypt(plainText []byte) ([]byte, error)
	Decrypt(cipherText []byte) ([]byte, error)
	Sign(src []byte, hash crypto.Hash) ([]byte, error)
	Verify(src []byte, sign []byte, hash crypto.Hash) error

	EncryptPri(plainText []byte) ([]byte, error)
	DecryptPub(cipherText []byte) ([]byte, error)
}

func NewCipher

func NewCipher(key Key, padding Padding, cipherMode CipherMode, signMode SignMode) Cipher

type CipherMode

type CipherMode interface {
	Encrypt(plainText []byte, puk *rsa.PublicKey) ([]byte, error)
	Decrypt(cipherText []byte, prk *rsa.PrivateKey) ([]byte, error)
}

func NewOAEPCipher

func NewOAEPCipher() CipherMode

func NewPKCS1v15Cipher

func NewPKCS1v15Cipher() CipherMode

type Key

type Key interface {
	PublicKey() *rsa.PublicKey
	PrivateKey() *rsa.PrivateKey
	Modulus() int
}

func LoadKeyFromDerFile

func LoadKeyFromDerFile(publicKeyFilePath, privateKeyFilePath string, ParseKey func([]byte, []byte) (Key, error)) (Key, error)

func LoadKeyFromPEMByte

func LoadKeyFromPEMByte(pukBytes, prkBytes []byte, ParseKey func([]byte, []byte) (Key, error)) (Key, error)

func LoadKeyFromPEMFile

func LoadKeyFromPEMFile(publicKeyFilePath, privateKeyFilePath string, ParseKey func([]byte, []byte) (Key, error)) (Key, error)

func ParsePKCS1Key

func ParsePKCS1Key(publicKey, privateKey []byte) (Key, error)

func ParsePKCS1KeyByCert

func ParsePKCS1KeyByCert(publicKey, privateKey []byte) (Key, error)

func ParsePKCS1PriKey

func ParsePKCS1PriKey(privateKey []byte) (Key, error)

func ParsePKCS1PubKey

func ParsePKCS1PubKey(publicKey []byte) (Key, error)

func ParsePKCS8Key

func ParsePKCS8Key(publicKey, privateKey []byte) (Key, error)

func ParsePKCS8PriKey

func ParsePKCS8PriKey(privateKey []byte) (Key, error)

func ParsePKCS8PubKey

func ParsePKCS8PubKey(publicKey []byte) (Key, error)

type Padding

type Padding interface {
	Padding(src []byte) [][]byte
}

func NewNoPadding

func NewNoPadding(modulus int) Padding

func NewOAEPPadding

func NewOAEPPadding(modulus int) Padding

func NewPKCS1Padding

func NewPKCS1Padding(modulus int) Padding

type SignMode

type SignMode interface {
	Sign(src []byte, hash crypto.Hash, prk *rsa.PrivateKey) ([]byte, error)
	Verify(src []byte, sign []byte, hash crypto.Hash, puk *rsa.PublicKey) error
}

func NewPKCS1v15Sign

func NewPKCS1v15Sign() SignMode