Coracle/nostrlib
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a big bundle of conversions and other changes.

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This commit is contained in:
fiatjaf
2025-04-15 17:13:57 -03:00
parent f493293be2
commit 2b5b646a62
92 changed files with 852 additions and 2136 deletions
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17
nip49/nip49.go
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@@ -2,7 +2,6 @@ package nip49
import (
"crypto/rand"
"encoding/hex"
"fmt"
"math"
@@ -21,15 +20,7 @@ const (
ClientDoesNotTrackThisData KeySecurityByte = 0x02
)
func Encrypt(secretKey string, password string, logn uint8, ksb KeySecurityByte) (b32code string, err error) {
skb, err := hex.DecodeString(secretKey)
if err != nil || len(skb) != 32 {
return "", fmt.Errorf("invalid secret key")
}
return EncryptBytes(skb, password, logn, ksb)
}
func EncryptBytes(secretKey []byte, password string, logn uint8, ksb KeySecurityByte) (b32code string, err error) {
func Encrypt(secretKey [32]byte, password string, logn uint8, ksb KeySecurityByte) (b32code string, err error) {
salt := make([]byte, 16)
if _, err := rand.Read(salt); err != nil {
return "", fmt.Errorf("failed to read salt: %w", err)
@@ -53,7 +44,7 @@ func EncryptBytes(secretKey []byte, password string, logn uint8, ksb KeySecurity
if err != nil {
return "", fmt.Errorf("failed to start xchacha20poly1305: %w", err)
}
ciphertext := c2p1.Seal(nil, concat[2+16:2+16+24], secretKey, ad)
ciphertext := c2p1.Seal(nil, concat[2+16:2+16+24], secretKey[:], ad)
copy(concat[2+16+24+1:], ciphertext)
bits5, err := bech32.ConvertBits(concat, 8, 5, true)
@@ -63,9 +54,9 @@ func EncryptBytes(secretKey []byte, password string, logn uint8, ksb KeySecurity
return bech32.Encode("ncryptsec", bits5)
}
func Decrypt(bech32string string, password string) (secretKey string, err error) {
func Decrypt(bech32string string, password string) (secretKey [32]byte, err error) {
secb, err := DecryptToBytes(bech32string, password)
return hex.EncodeToString(secb), err
return [32]byte(secb), err
}
func DecryptToBytes(bech32string string, password string) (secretKey []byte, err error) {