kcdsa

package

v1.2.4 Latest Latest Go to latest Published: Oct 10, 2023 License: MIT Imports: 8 Imported by: 0

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Repository

github.com/RyuaNerin/go-krypto

Links

Open Source Insights

Documentation ¶

Overview ¶

Package kcdsa implements the KCDSA(Korean Certificate-based Digital Signature Algorithm) as defined in TTAK.KO-12.0001/R4

Index ¶

Variables
func GenerateKey(priv *PrivateKey, rand io.Reader) error
func GenerateKeyTTAK(priv *PrivateKey, rand io.Reader, userProvidedRandomInput []byte) error
func GenerateParameters(params *Parameters, rand io.Reader, sizes ParameterSizes) (err error)
func GenerateParametersTTAK(params *Parameters, rand io.Reader, sizes ParameterSizes) (seed []byte, count int, err error)
func Sign(randReader io.Reader, priv *PrivateKey, data []byte) (r, s *big.Int, err error)
func SignUsingK(K *big.Int, priv *PrivateKey, data []byte) (r, s *big.Int, err error)
func Verify(pub *PublicKey, data []byte, R, S *big.Int) bool
type ParameterSizes
type Parameters
type PrivateKey
type PublicKey

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	ErrInvalidPublicKey      = errors.New("krypto/kcdsa: invalid public key")
	ErrInvalidParameterSizes = errors.New("krypto/kcdsa: invalid ParameterSizes")
	ErrParametersNotSetUp    = errors.New("krypto/kcdsa: parameters not set up before generating key")
)

Functions ¶

func GenerateKey ¶

func GenerateKey(priv *PrivateKey, rand io.Reader) error

func GenerateKeyTTAK ¶

func GenerateKeyTTAK(priv *PrivateKey, rand io.Reader, userProvidedRandomInput []byte) error

Generate PublicKey and PrivateKey using krypto/kcdsa/kcdsattak package.

func GenerateParameters ¶

func GenerateParameters(params *Parameters, rand io.Reader, sizes ParameterSizes) (err error)

Generate the paramters using the prime number generator used in crypto/dsa package.

func GenerateParametersTTAK ¶

func GenerateParametersTTAK(params *Parameters, rand io.Reader, sizes ParameterSizes) (seed []byte, count int, err error)

Generate the paramters using the prime number generator used in krypto/kcdsa/kcdsattak package.

func Sign ¶

func Sign(randReader io.Reader, priv *PrivateKey, data []byte) (r, s *big.Int, err error)

Sign data using K generated randomly like in crypto/dsa packages.

func SignUsingK ¶

func SignUsingK(K *big.Int, priv *PrivateKey, data []byte) (r, s *big.Int, err error)

Sign data using K Specified

func Verify ¶

func Verify(pub *PublicKey, data []byte, R, S *big.Int) bool

Types ¶

type ParameterSizes ¶

type ParameterSizes int

const (
	L2048N224SHA224 ParameterSizes = iota
	L2048N224SHA256
	L2048N256SHA256
	L3072N256SHA256
)

type Parameters ¶

type Parameters struct {
	P, Q, G *big.Int
	Sizes   ParameterSizes
}

type PrivateKey ¶

type PrivateKey struct {
	PublicKey
	X *big.Int
}

PrivateKey represents a KCDSA private key.

type PublicKey ¶

type PublicKey struct {
	Parameters
	Y *big.Int
}

PublicKey represents a KCDSA public key.

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
kcdsattak Package kcdsattak implements functions what generate the KCDSA parameters as defined in TTAK.KO-12.0001/R4	Package kcdsattak implements functions what generate the KCDSA parameters as defined in TTAK.KO-12.0001/R4

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