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serde.go
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serde.go
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package serde
import (
"crypto"
"crypto/x509"
"encoding/pem"
"github.com/brendoncarroll/go-p2p"
"github.com/pkg/errors"
"github.com/inet256/inet256/pkg/inet256"
)
func MarshalPrivateKey(privKey inet256.PrivateKey) []byte {
data, err := x509.MarshalPKCS8PrivateKey(privKey.BuiltIn())
if err != nil {
panic(err)
}
return data
}
func ParsePrivateKey(data []byte) (inet256.PrivateKey, error) {
privKey, err := x509.ParsePKCS8PrivateKey(data)
if err != nil {
return nil, err
}
return inet256.PrivateKeyFromBuiltIn(privKey.(crypto.Signer))
}
func MarshalPrivateKeyPEM(privateKey inet256.PrivateKey) ([]byte, error) {
data := MarshalPrivateKey(privateKey)
privKeyPEM := pem.EncodeToMemory(&pem.Block{
Type: "PRIVATE KEY",
Bytes: data,
})
return privKeyPEM, nil
}
func ParsePrivateKeyPEM(data []byte) (inet256.PrivateKey, error) {
block, _ := pem.Decode(data)
if block == nil {
return nil, errors.New("key file does not contain PEM")
}
if block.Type != "PRIVATE KEY" {
return nil, errors.New("wrong type for PEM block")
}
return ParsePrivateKey(block.Bytes)
}
func MarshalAddrs[T p2p.Addr](xs []T) []string {
ys := make([]string, len(xs))
for i := range xs {
data, err := xs[i].MarshalText()
if err != nil {
panic(err)
}
ys[i] = string(data)
}
return ys
}
func ParseAddrs[T p2p.Addr](parser p2p.AddrParser[T], xs []string) ([]T, error) {
ys := make([]T, len(xs))
for i := range xs {
addr, err := parser([]byte(xs[i]))
if err != nil {
return nil, err
}
ys[i] = addr
}
return ys, nil
}