From 3e60b1c26b5c763f08e654fd9850e69c57f0bb14 Mon Sep 17 00:00:00 2001
From: Andrew Gouin <andrew@gouin.io>
Date: Tue, 20 Jun 2023 15:07:04 -0600
Subject: [PATCH] lint

---
 signer/cosigner_security.go       | 13 +++++++++++--
 signer/cosigner_security_ecies.go | 22 ++++++++++++++++++----
 signer/cosigner_security_rsa.go   | 10 ++++++++--
 signer/local_cosigner.go          |  5 +++--
 4 files changed, 40 insertions(+), 10 deletions(-)

diff --git a/signer/cosigner_security.go b/signer/cosigner_security.go
index 4371e728..9d5f0cc7 100644
--- a/signer/cosigner_security.go
+++ b/signer/cosigner_security.go
@@ -6,8 +6,17 @@ type CosignerSecurity interface {
 	GetID() int
 
 	// EncryptAndSign encrypts the nonce and signs it for authentication.
-	EncryptAndSign(id int, noncePub []byte, nonceShare []byte) (CosignerNonce, error)
+	EncryptAndSign(
+		id int,
+		noncePub []byte,
+		nonceShare []byte,
+	) (CosignerNonce, error)
 
 	// DecryptAndVerify decrypts the nonce and verifies the signature to authenticate the source cosigner.
-	DecryptAndVerify(id int, encryptedNoncePub []byte, encryptedNonceShare []byte, signature []byte) ([]byte, []byte, error)
+	DecryptAndVerify(
+		id int,
+		encryptedNoncePub []byte,
+		encryptedNonceShare []byte,
+		signature []byte,
+	) ([]byte, []byte, error)
 }
diff --git a/signer/cosigner_security_ecies.go b/signer/cosigner_security_ecies.go
index 2b1ee6fe..1ea90174 100644
--- a/signer/cosigner_security_ecies.go
+++ b/signer/cosigner_security_ecies.go
@@ -13,7 +13,8 @@ import (
 
 var _ CosignerSecurity = &CosignerSecurityECIES{}
 
-// CosignerSecurityECIES is an implementation of CosignerSecurity using ECIES for encryption and ECDSA for digital signature.
+// CosignerSecurityECIES is an implementation of CosignerSecurity
+// using ECIES for encryption and ECDSA for digital signature.
 type CosignerSecurityECIES struct {
 	key          CosignerECIESKey
 	eciesPubKeys map[int]CosignerECIESPubKey
@@ -81,7 +82,14 @@ func (c *CosignerSecurityECIES) EncryptAndSign(id int, noncePub []byte, nonceSha
 	}
 
 	hash := sha256.Sum256(jsonBytes)
-	signature, err := ecdsa.SignASN1(rand.Reader, &ecdsa.PrivateKey{PublicKey: ecdsa.PublicKey(*c.key.ECIESKey.PublicKey), D: c.key.ECIESKey.D}, hash[:])
+	signature, err := ecdsa.SignASN1(
+		rand.Reader,
+		&ecdsa.PrivateKey{
+			PublicKey: ecdsa.PublicKey(*c.key.ECIESKey.PublicKey),
+			D:         c.key.ECIESKey.D,
+		},
+		hash[:],
+	)
 	if err != nil {
 		return nonce, err
 	}
@@ -92,8 +100,14 @@ func (c *CosignerSecurityECIES) EncryptAndSign(id int, noncePub []byte, nonceSha
 	return nonce, nil
 }
 
-// DecryptAndVerify decrypts the nonce and verifies the signature to authenticate the source cosigner.
-func (c *CosignerSecurityECIES) DecryptAndVerify(id int, encryptedNoncePub []byte, encryptedNonceShare []byte, signature []byte) ([]byte, []byte, error) {
+// DecryptAndVerify decrypts the nonce and verifies
+// the signature to authenticate the source cosigner.
+func (c *CosignerSecurityECIES) DecryptAndVerify(
+	id int,
+	encryptedNoncePub []byte,
+	encryptedNonceShare []byte,
+	signature []byte,
+) ([]byte, []byte, error) {
 	digestMsg := CosignerNonce{
 		SourceID:           id,
 		SourcePubKey:       encryptedNoncePub,
diff --git a/signer/cosigner_security_rsa.go b/signer/cosigner_security_rsa.go
index 9e11f9ec..64d44f90 100644
--- a/signer/cosigner_security_rsa.go
+++ b/signer/cosigner_security_rsa.go
@@ -92,8 +92,14 @@ func (c *CosignerSecurityRSA) EncryptAndSign(id int, noncePub []byte, nonceShare
 	return nonce, nil
 }
 
-// DecryptAndVerify decrypts the nonce and verifies the signature to authenticate the source cosigner.
-func (c *CosignerSecurityRSA) DecryptAndVerify(id int, encryptedNoncePub []byte, encryptedNonceShare []byte, signature []byte) ([]byte, []byte, error) {
+// DecryptAndVerify decrypts the nonce and verifies
+// the signature to authenticate the source cosigner.
+func (c *CosignerSecurityRSA) DecryptAndVerify(
+	id int,
+	encryptedNoncePub []byte,
+	encryptedNonceShare []byte,
+	signature []byte,
+) ([]byte, []byte, error) {
 	digestMsg := CosignerNonce{
 		SourceID:           id,
 		SourcePubKey:       encryptedNoncePub,
diff --git a/signer/local_cosigner.go b/signer/local_cosigner.go
index 85aed1b3..643c3558 100644
--- a/signer/local_cosigner.go
+++ b/signer/local_cosigner.go
@@ -364,7 +364,7 @@ func (cosigner *LocalCosigner) GetNonces(
 
 	var eg errgroup.Group
 
-	for i := 1; i <= int(total); i++ {
+	for i := 1; i <= total; i++ {
 		if i == id {
 			continue
 		}
@@ -479,7 +479,8 @@ func (cosigner *LocalCosigner) setNonce(req CosignerSetNonceRequest) error {
 		return errors.New("SourceSig field is required")
 	}
 
-	noncePub, nonceShare, err := cosigner.security.DecryptAndVerify(req.SourceID, req.SourcePubKey, req.EncryptedSharePart, req.SourceSig)
+	noncePub, nonceShare, err := cosigner.security.DecryptAndVerify(
+		req.SourceID, req.SourcePubKey, req.EncryptedSharePart, req.SourceSig)
 	if err != nil {
 		return err
 	}