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https://github.com/luxfi/utxo.git
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zeekay
2436a42df2
Adds four new Fx (feature-extension) packages for X-Chain UTXO signing schemes beyond secp256k1: - ed25519fx — Ed25519 (EdDSA on Curve25519) - schnorrfx — Schnorr (classical) - secp256r1fx — P-256 / NIST - slhdsafx — SLH-DSA (FIPS 205 hash-based PQ) Plus mldsafx updates to match (ML-DSA / FIPS 204 lattice PQ). Each fx package exports Fx, Credential, Keychain, OutputOwners, Input following the existing secp256k1fx pattern. Gitignore .DS_Store.
55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
// Copyright (C) 2019-2025, Lux Industries, Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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package secp256r1fx
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import (
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/rand"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestCredentialVerify(t *testing.T) {
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require := require.New(t)
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var sig [SigLen]byte
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cred := &Credential{
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Sigs: [][SigLen]byte{sig},
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}
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require.NoError(cred.Verify())
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}
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func TestCredentialVerifyNil(t *testing.T) {
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var cred *Credential
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require.ErrorIs(t, cred.Verify(), ErrNilCredential)
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}
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func TestCredentialWithPubKeys(t *testing.T) {
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require := require.New(t)
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sk, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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require.NoError(err)
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pk := pubKeyBytes(&sk.PublicKey)
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var sig [SigLen]byte
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cred := &Credential{
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Sigs: [][SigLen]byte{sig},
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PubKeys: [][]byte{pk},
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}
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require.NoError(cred.Verify())
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require.Len(cred.PubKeys, 1)
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require.Equal(PubKeyLen, len(cred.PubKeys[0]))
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}
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// Regression: Finding 6 -- Empty Sigs slice must be rejected
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func TestCredential_RejectEmptySigs(t *testing.T) {
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cred := &Credential{
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Sigs: [][SigLen]byte{},
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}
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require.ErrorIs(t, cred.Verify(), ErrEmptyCredential)
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}
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