package cryptostore
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import (
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"github.com/pkg/errors"
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crypto "github.com/tendermint/go-crypto"
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)
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var (
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// GenEd25519 produces Ed25519 private keys
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GenEd25519 Generator = GenFunc(genEd25519)
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// GenSecp256k1 produces Secp256k1 private keys
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GenSecp256k1 Generator = GenFunc(genSecp256)
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)
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// Generator determines the type of private key the keystore creates
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type Generator interface {
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Generate() crypto.PrivKey
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}
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// GenFunc is a helper to transform a function into a Generator
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type GenFunc func() crypto.PrivKey
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func (f GenFunc) Generate() crypto.PrivKey {
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return f()
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}
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func genEd25519() crypto.PrivKey {
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return crypto.GenPrivKeyEd25519().Wrap()
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}
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func genSecp256() crypto.PrivKey {
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return crypto.GenPrivKeySecp256k1().Wrap()
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}
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func getGenerator(algo string) (Generator, error) {
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switch algo {
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case crypto.NameEd25519:
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return GenEd25519, nil
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case crypto.NameSecp256k1:
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return GenSecp256k1, nil
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default:
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return nil, errors.Errorf("Cannot generate keys for algorithm: %s", algo)
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}
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}
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