From 87bea6ab2cdf3b6d234403a0def537b1484985a4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=AE=B7=E5=8B=87?= <shyinyong@outlook.com>
Date: Fri, 8 Sep 2023 17:01:58 +0800
Subject: [PATCH] add password

---
 go.mod      |  1 +
 go.sum      |  2 ++
 password.go | 20 ++++++++++++++++++++
 3 files changed, 23 insertions(+)
 create mode 100644 password.go

diff --git a/go.mod b/go.mod
index cc084b2..bf8e335 100644
--- a/go.mod
+++ b/go.mod
@@ -6,4 +6,5 @@ require (
 	github.com/garyburd/redigo v1.6.2
 	github.com/go-sql-driver/mysql v1.5.0
 	github.com/gomodule/redigo v1.8.3
+	golang.org/x/crypto v0.13.0 // indirect
 )
diff --git a/go.sum b/go.sum
index 5ace556..5cd70ac 100644
--- a/go.sum
+++ b/go.sum
@@ -11,6 +11,8 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+golang.org/x/crypto v0.13.0 h1:mvySKfSWJ+UKUii46M40LOvyWfN0s2U+46/jDd0e6Ck=
+golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
diff --git a/password.go b/password.go
new file mode 100644
index 0000000..3527004
--- /dev/null
+++ b/password.go
@@ -0,0 +1,20 @@
+package q5
+
+import (
+	"fmt"
+	"golang.org/x/crypto/bcrypt"
+)
+
+// HashPassword returns the bcrypt hash of the password
+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
+}
+
+// CheckPassword checks if the provided password is correct or not
+func CheckPassword(password string, hashedPassword string) error {
+	return bcrypt.CompareHashAndPassword([]byte(hashedPassword), []byte(password))
+}