Today, we have released a library for Golang, freely available on GitHub. It supports both key verification and offline verification. To verify a license key, the code below can be used:
token := "Access token"
publicKey := "RSA Public key"
licenseKey, err := cryptolens.KeyActivate(token, cryptolens.KeyActivateArguments{
ProductId: 3646,
Key: "MPDWY-PQAOW-FKSCH-SGAAU",
MachineCode: "289jf2afs3",
})
if err != nil || !licenseKey.HasValidSignature(publicKey) {
fmt.Println("License key activation failed!")
return
}
More examples can be found here.