secp256k1: Address some linter complaints.

decred · Aug 9, 2024 · 2124b09 · 2124b09
1 parent 749a2d2
commit 2124b09
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/dcrec/secp256k1/schnorr/signature.go b/dcrec/secp256k1/schnorr/signature.go
@@ -166,7 +166,7 @@ func schnorrVerify(sig *Signature, hash []byte, pubKey *secp256k1.PublicKey) err
 	// e = BLAKE-256(r || m) (Ensure r is padded to 32 bytes)
 	var commitmentInput [scalarSize * 2]byte
 	sig.r.PutBytesUnchecked(commitmentInput[0:scalarSize])
-	copy(commitmentInput[scalarSize:], hash[:])
+	copy(commitmentInput[scalarSize:], hash)
 	commitment := blake256.Sum256(commitmentInput[:])
 
 	// Step 6.
@@ -293,7 +293,7 @@ func schnorrSign(privKey, nonce *secp256k1.ModNScalar, hash []byte) (*Signature,
 	// e = BLAKE-256(r || m) (Ensure r is padded to 32 bytes)
 	var commitmentInput [scalarSize * 2]byte
 	r.PutBytesUnchecked(commitmentInput[0:scalarSize])
-	copy(commitmentInput[scalarSize:], hash[:])
+	copy(commitmentInput[scalarSize:], hash)
 	commitment := blake256.Sum256(commitmentInput[:])
 
 	// Step 8.

diff --git a/dcrec/secp256k1/schnorr/signature_test.go b/dcrec/secp256k1/schnorr/signature_test.go
@@ -382,7 +382,7 @@ func TestSchnorrSignAndVerifyRandom(t *testing.T) {
 		randByte = rng.Intn(len(badHash))
 		randBit = rng.Intn(7)
 		badHash[randByte] ^= 1 << randBit
-		if sig.Verify(badHash[:], pubKey) {
+		if sig.Verify(badHash, pubKey) {
 			t.Fatalf("verified signature for bad hash\nsig: %x\nhash: %x\n"+
 				"pubkey: %x", sig.Serialize(), badHash,
 				pubKey.SerializeCompressed())