// Deterministically generates new priv-key bytes from key.
func (key PrivKeyEd25519) Generate(index int) PrivKeyEd25519 {
newBytes := binary.BinarySha256(struct {
PrivKey []byte
Index int
}{key, index})
return PrivKeyEd25519(newBytes)
}
// Generates a new account with private key from SHA256 hash of a secret
func GenPrivAccountFromSecret(secret []byte) *PrivAccount {
privKey32 := binary.BinarySha256(secret) // Not Ripemd160 because we want 32 bytes.
privKeyBytes := new([64]byte)
copy(privKeyBytes[:32], privKey32)
pubKeyBytes := ed25519.MakePublicKey(privKeyBytes)
pubKey := PubKeyEd25519(pubKeyBytes[:])
privKey := PrivKeyEd25519(privKeyBytes[:])
return &PrivAccount{
Address: pubKey.Address(),
PubKey: pubKey,
PrivKey: privKey,
}
}