user

package

v0.4.1 Latest Latest Go to latest Published: Apr 11, 2025 License: Apache-2.0 Imports: 5 Imported by: 0

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Valid go.mod file
Redistributable license
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Stable version
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Repository

github.com/OpenNHP/opennhp

Links

Documentation ¶

Index ¶

Variables
func ComputeDA(tA, dA_ *big.Int, n *big.Int) *big.Int
func ComputePA(WAx, WAy, PpubX, PpubY *big.Int, lInteger *big.Int) (*big.Int, *big.Int)
func ComputePAPrime(dA *big.Int) (*big.Int, *big.Int)
func GenerateRandomScalar() (*big.Int, error)
func GenerateUserKeyPairSM2() error
func ProcessUserEmail(id string)
func SignMessageAndEncrypt(dA *big.Int) error
func SignWithPrivateKey(dA *big.Int, messageHash []byte) (*big.Int, *big.Int, error)
func VerifySignature(R, S, PAx, PAy *big.Int, messageHash [32]byte) bool

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	ID          string   //User ID
	DA_         *big.Int //User secret value
	UAX         *big.Int // User public value
	UAY         *big.Int // User public value
	DA          *big.Int // User private key
	PAx, PAy    *big.Int
	PAx_, PAy_  *big.Int
	K           *big.Int
	R, S        *big.Int
	MessageHash []byte
)

Functions ¶

func ComputeDA ¶

func ComputeDA(tA, dA_ *big.Int, n *big.Int) *big.Int

Calculate dA

func ComputePA ¶

func ComputePA(WAx, WAy, PpubX, PpubY *big.Int, lInteger *big.Int) (*big.Int, *big.Int)

Calculate PA = WA + [l]Ppub

func ComputePAPrime ¶

func ComputePAPrime(dA *big.Int) (*big.Int, *big.Int)

Calculate P'A = [dA]G

func GenerateRandomScalar ¶

func GenerateRandomScalar() (*big.Int, error)

Generate a random scalar k for signature calculation

func GenerateUserKeyPairSM2 ¶

func GenerateUserKeyPairSM2() error

GenerateUserKeyPairSM2,Generate user private key dA_ and public key UA based on SM2

func ProcessUserEmail ¶

func ProcessUserEmail(id string)

receives the email and processes it

func SignMessageAndEncrypt ¶

func SignMessageAndEncrypt(dA *big.Int) error

sign

func SignWithPrivateKey ¶

func SignWithPrivateKey(dA *big.Int, messageHash []byte) (*big.Int, *big.Int, error)

Signature logic: generate signature based on private key and message hash

func VerifySignature ¶

func VerifySignature(R, S, PAx, PAy *big.Int, messageHash [32]byte) bool

Verify signature

Types ¶

This section is empty.

Source Files ¶

View all Source files

user.go

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