homelab/sigtool
2
0
Fork 0
Code Issues Pull requests Projects Releases 3 Packages Wiki Activity Actions

Added helper function to take raw bytes and turn em into keys

Browse source
This commit is contained in:
Sudhi Herle 2019-10-19 14:58:07 -07:00
parent 3c3c51b5ac
commit d9755bc793
1 changed files with 25 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

35
sign/sign.go
View file

@ -247,6 +247,16 @@ func MakePrivateKey(yml []byte, pw string) (*PrivateKey, error) {
skb[i] = esk.Esk[i] ^ xork[i]
}
return PrivateKeyFromBytes(skb)
}
// Make a private key from 64-bytes of extended Ed25519 key
func PrivateKeyFromBytes(skb []byte) (*PrivateKey, error) {
if len(skb) != 64 {
return nil, fmt.Errorf("private key is malformed (len %d!)", len(skb))
}
edsk := Ed.PrivateKey(skb)
edpk := edsk.Public().(Ed.PublicKey)
@ -259,10 +269,10 @@ func MakePrivateKey(yml []byte, pw string) (*PrivateKey, error) {
pk: pk,
}
return sk, nil
}
// Given a secret key, return the corresponding Public Key
func (sk *PrivateKey) PublicKey() *PublicKey {
return sk.pk
@ -461,24 +471,29 @@ func MakePublicKey(yml []byte) (*PublicKey, error) {
return nil, fmt.Errorf("can't parse YAML: %s", err)
}
pk := &PublicKey{}
b64 := base64.StdEncoding.DecodeString
var pk []byte
if pk.Pk, err = b64(spk.Pk); err != nil {
if pk, err = b64(spk.Pk); err != nil {
return nil, fmt.Errorf("can't decode YAML:Pk: %s", err)
}
// Simple sanity checks
if len(pk.Pk) == 0 {
return nil, fmt.Errorf("public key data is empty?")
return PublicKeyFromBytes(pk)
}
// Make a public key from a byte string
func PublicKeyFromBytes(b []byte) (*PublicKey, error) {
if len(b) != 32 {
return nil, fmt.Errorf("public key is malformed (len %d!)", len(b))
}
if len(pk.Pk) != 32 {
return nil, fmt.Errorf("public key is malformed (len %d!)", len(pk.Pk))
pk := &PublicKey{
Pk: make([]byte, 32),
hash: pkhash(b),
}
pk.hash = pkhash(pk.Pk)
copy(pk.Pk, b)
return pk, nil
}