From fca9108882ba22ff2f431daa6eb22c91021d4060 Mon Sep 17 00:00:00 2001
From: hhs <386998068@qq.com>
Date: Sun, 14 Jun 2026 17:07:51 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=AE=9E=E7=8E=B0=E5=AF=86=E7=A0=81?=
 =?UTF-8?q?=E5=93=88=E5=B8=8C=E4=B8=8E=E6=A0=A1=E9=AA=8C=E5=B7=A5=E5=85=B7?=
 =?UTF-8?q?=EF=BC=88bcrypt=EF=BC=89?=
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---
 backend/internal/auth/password.go | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 backend/internal/auth/password.go

diff --git a/backend/internal/auth/password.go b/backend/internal/auth/password.go
new file mode 100644
index 0000000..0664268
--- /dev/null
+++ b/backend/internal/auth/password.go
@@ -0,0 +1,19 @@
+package auth
+
+import "golang.org/x/crypto/bcrypt"
+
+const bcryptCost = 10
+
+// HashPassword 使用 bcrypt 对密码进行哈希。
+func HashPassword(password string) (string, error) {
+	hash, err := bcrypt.GenerateFromPassword([]byte(password), bcryptCost)
+	if err != nil {
+		return "", err
+	}
+	return string(hash), nil
+}
+
+// CheckPassword 校验密码与哈希是否匹配。
+func CheckPassword(hashedPassword, password string) error {
+	return bcrypt.CompareHashAndPassword([]byte(hashedPassword), []byte(password))
+}