feat: 0.0.1

internal/security/password.go

@@ -0,0 +1,19 @@
+package security
+
+import (
+	"fmt"
+
+	"golang.org/x/crypto/bcrypt"
+)
+
+func HashPassword(password string) (string, error) {
+	hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
+	if err != nil {
+		return "", fmt.Errorf("failed to hash password: %w", err)
+	}
+	return string(hashedPassword), nil
+}
+
+func CheckPassword(password, hashedPassword string) error {
+	return bcrypt.CompareHashAndPassword([]byte(hashedPassword), []byte(password))
+}

internal/security/password_test.go

@@ -0,0 +1,29 @@
+package security
+
+import (
+	"testing"
+
+	"github.com/FernandoJVideira/simple_bank/pkg/testutil"
+	"github.com/stretchr/testify/require"
+)
+
+func TestPassword(t *testing.T) {
+	password := testutil.RandomString(6)
+
+	hashedPassword, err := HashPassword(password)
+	require.NoError(t, err)
+	require.NotEmpty(t, hashedPassword)
+
+	err = CheckPassword(password, hashedPassword)
+	require.NoError(t, err)
+
+	wrongPassword := testutil.RandomString(6)
+	err = CheckPassword(wrongPassword, hashedPassword)
+	require.Error(t, err)
+
+	hashedPassword2, err := HashPassword(password)
+	require.NoError(t, err)
+	require.NotEmpty(t, hashedPassword2)
+
+	require.NotEqual(t, hashedPassword, hashedPassword2)
+}