eccrypto

ecdsa p256 ecies

1. Create privateKey and publicKey by ECDSA

CreateECDSA() (*ecdsa.PrivateKey, error)

2. Load privateKey by hex

LoadHexPrivateKey(h string) (*ecdsa.PrivateKey, error)

3. Load publicKey by hex

LoadHexPublicKey(h string) (*ecdsa.PublicKey, []byte, error)

4. Load publicKey by base64

LoadBase64PublicKey(h string) (*ecdsa.PublicKey, []byte, error)

5. Generate share key by privateKey and publicKey

GenSharedKey(ownerPrk *ecdsa.PrivateKey, otherPub *ecdsa.PublicKey) ([]byte, error)

6. Encrypt plaintext by publicKey

Encrypt(publicTo, message []byte) ([]byte, error)

7. Decrypt ciphertext by privateKey

Decrypt(privateKey *ecdsa.PrivateKey, msg []byte) ([]byte, error)

8. Sign Data by privateKey

Sign(prk *ecdsa.PrivateKey, msg []byte) ([]byte, error)

9. Verify data by publicKey

Verify(pub *ecdsa.PublicKey, msg, sign []byte) bool

Benchmark

// CreateECDSA
goos: windows
goarch: amd64
pkg: github.com/godaddy-x/eccrypto
cpu: 12th Gen Intel(R) Core(TM) i5-12400F
BenchmarkECDSACreate
BenchmarkECDSACreate-12            94461             12089 ns/op

// GenSharedKey
goos: windows
goarch: amd64
pkg: github.com/godaddy-x/eccrypto
cpu: 12th Gen Intel(R) Core(TM) i5-12400F
BenchmarkECCSharedKey
BenchmarkECCSharedKey-12           26563             44460 ns/op

// Encrypt
goos: windows
goarch: amd64
pkg: github.com/godaddy-x/eccrypto
cpu: 12th Gen Intel(R) Core(TM) i5-12400F
BenchmarkECDSAEncrypt
BenchmarkECDSAEncrypt-12           19818             60096 ns/op

// Decrypt
goos: windows
goarch: amd64
pkg: github.com/godaddy-x/eccrypto
cpu: 12th Gen Intel(R) Core(TM) i5-12400F
BenchmarkECCDecrypt
BenchmarkECCDecrypt-12             24715             48010 ns/op

// Sign
goos: windows
goarch: amd64
pkg: github.com/godaddy-x/eccrypto
cpu: 12th Gen Intel(R) Core(TM) i5-12400F
BenchmarkECCSign
BenchmarkECCSign-12        57798             20354 ns/op

// Verify
goos: windows
goarch: amd64
pkg: github.com/godaddy-x/eccrypto
cpu: 12th Gen Intel(R) Core(TM) i5-12400F
BenchmarkECCVerify
BenchmarkECCVerify-12              19876             60247 ns/op