You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.3 KiB
56 lines
1.3 KiB
package cryptostore
|
|
|
|
import (
|
|
"github.com/pkg/errors"
|
|
|
|
crypto "github.com/tendermint/go-crypto"
|
|
)
|
|
|
|
var (
|
|
// GenEd25519 produces Ed25519 private keys
|
|
GenEd25519 Generator = GenFunc(genEd25519)
|
|
// GenSecp256k1 produces Secp256k1 private keys
|
|
GenSecp256k1 Generator = GenFunc(genSecp256)
|
|
)
|
|
|
|
// Generator determines the type of private key the keystore creates
|
|
type Generator interface {
|
|
Generate(secret []byte) crypto.PrivKey
|
|
}
|
|
|
|
// GenFunc is a helper to transform a function into a Generator
|
|
type GenFunc func(secret []byte) crypto.PrivKey
|
|
|
|
func (f GenFunc) Generate(secret []byte) crypto.PrivKey {
|
|
return f(secret)
|
|
}
|
|
|
|
func genEd25519(secret []byte) crypto.PrivKey {
|
|
return crypto.GenPrivKeyEd25519FromSecret(secret).Wrap()
|
|
}
|
|
|
|
func genSecp256(secret []byte) crypto.PrivKey {
|
|
return crypto.GenPrivKeySecp256k1FromSecret(secret).Wrap()
|
|
}
|
|
|
|
func getGenerator(algo string) (Generator, error) {
|
|
switch algo {
|
|
case crypto.NameEd25519:
|
|
return GenEd25519, nil
|
|
case crypto.NameSecp256k1:
|
|
return GenSecp256k1, nil
|
|
default:
|
|
return nil, errors.Errorf("Cannot generate keys for algorithm: %s", algo)
|
|
}
|
|
}
|
|
|
|
func getGeneratorByType(typ byte) (Generator, error) {
|
|
switch typ {
|
|
case crypto.TypeEd25519:
|
|
return GenEd25519, nil
|
|
case crypto.TypeSecp256k1:
|
|
return GenSecp256k1, nil
|
|
default:
|
|
return nil, errors.Errorf("Cannot generate keys for algorithm: %X", typ)
|
|
}
|
|
}
|