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keyer, nip17, nip44, nip59: this time is different!

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This commit is contained in:
fiatjaf
2024-09-15 11:06:42 -03:00
parent f976296e01
commit db023e12e9
5 changed files with 67 additions and 55 deletions
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64
nip59/nip59.go
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@@ -9,19 +9,20 @@ import (
"github.com/nbd-wtf/go-nostr/nip44"
)
// Seal takes a 'rumor', encrypts it with our own key, making a 'seal', then encrypts that with a nonce key and
// GiftWrap takes a 'rumor', encrypts it with our own key, making a 'seal', then encrypts that with a nonce key and
// signs that (after potentially applying a modify function, which can be nil otherwise), yielding a 'gift-wrap'.
func GiftWrap(
rumor nostr.Event,
recipients []string, // return one giftwrap addressed to each of these
recipient string,
encrypt func(plaintext string) (string, error),
sign func(*nostr.Event) error,
modify func(*nostr.Event),
) ([]nostr.Event, error) {
) (nostr.Event, error) {
rumor.Sig = ""
rumorCiphertext, err := encrypt(rumor.String())
if err != nil {
return nil, err
return nostr.Event{}, err
}
seal := nostr.Event{
@@ -31,39 +32,36 @@ func GiftWrap(
Tags: make(nostr.Tags, 0),
}
if err := sign(&seal); err != nil {
return nil, err
return nostr.Event{}, err
}
results := make([]nostr.Event, len(recipients))
for i, recipient := range recipients {
nonceKey := nostr.GeneratePrivateKey()
temporaryConversationKey, err := nip44.GenerateConversationKey(recipient, nonceKey)
if err != nil {
return nil, err
}
sealCiphertext, err := nip44.Encrypt(seal.String(), temporaryConversationKey)
if err != nil {
return nil, err
}
gw := nostr.Event{
Kind: 1059,
Content: sealCiphertext,
CreatedAt: nostr.Now() - nostr.Timestamp(60*rand.Int63n(600) /* up to 6 hours in the past */),
Tags: nostr.Tags{
nostr.Tag{"p", recipient},
},
}
if modify != nil {
modify(&gw)
}
if err := gw.Sign(nonceKey); err != nil {
return nil, err
}
results[i] = gw
nonceKey := nostr.GeneratePrivateKey()
temporaryConversationKey, err := nip44.GenerateConversationKey(recipient, nonceKey)
if err != nil {
return nostr.Event{}, err
}
return results, nil
sealCiphertext, err := nip44.Encrypt(seal.String(), temporaryConversationKey)
if err != nil {
return nostr.Event{}, err
}
gw := nostr.Event{
Kind: 1059,
Content: sealCiphertext,
CreatedAt: nostr.Now() - nostr.Timestamp(60*rand.Int63n(600) /* up to 6 hours in the past */),
Tags: nostr.Tags{
nostr.Tag{"p", recipient},
},
}
if modify != nil {
modify(&gw)
}
if err := gw.Sign(nonceKey); err != nil {
return nostr.Event{}, err
}
return gw, nil
}
func GiftUnwrap(