### Get SDK Basic Information (Objective-C)

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Retrieve SDK version, current server environment type, address (for demo), and display language. Also shows how to set the display language and trigger the PIN input window.

```objective-c
// 获取SDK版本号
NSString *version = [BjcaSignManager bjcaVersion];
NSLog(@"SDK版本: %@", version);

// 获取当前服务器环境类型
BjcaServerType serverType = [BjcaSignManager bjcaServerType];

// 获取当前环境地址（仅用于demo调试）
NSString *address = [BjcaSignManager bjcaAddress];

// 获取当前SDK显示语言
NSString *language = [BjcaSignManager bjcaAppLanguage];

// 设置SDK显示语言
// "zh" - 中文, "en" - 英文, "" - 跟随系统
[BjcaSignManager bjcaSetAppLanguage:@"zh"];

// 显示密码输入键盘
[BjcaSignManager.bjcaShareBjcaSignManager showPinWindow];
```

--------------------------------

### Get User Information

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Retrieve detailed information for the currently logged-in user with a downloaded certificate, including user openId and certificate status.

```APIDOC
## Get User Information

### Description
Retrieve detailed information for the currently logged-in user with a downloaded certificate, including user openId and certificate status.

### Methods
`bjcaUserInfo:`
`bjcaOpenId`
`bjcaStampPic`

### Endpoint
N/A (SDK methods)

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
```objective-c
// Request user information (asynchronous, results via delegate callback)
[BjcaSignManager.bjcaShareBjcaSignManager bjcaUserInfo:@"your_client_id"];

// Directly get user openId (returns nil if certificate does not exist)
NSString *openId = [BjcaSignManager bjcaOpenId];

// Get signature image Base64 (returns base64 string if exists, nil otherwise)
NSString *stampBase64 = [BjcaSignManager bjcaStampPic];
```

### Response
- `bjcaUserInfo:`: Results are handled via the `BjcaSignDelegate` callback, specifically for `BjcaBusinessUserInfo`.
- `bjcaOpenId`: Returns `NSString` (user's openId) or `nil`.
- `bjcaStampPic`: Returns `NSString` (Base64 encoded signature image) or `nil`.
```

--------------------------------

### SDK Initialization and Configuration

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Methods for retrieving SDK metadata, setting language preferences, and initializing the SDK with a client ID and environment.

```APIDOC
## SDK Initialization and Configuration

### Description
Methods to manage SDK settings, including version retrieval, language configuration, and environment initialization.

### Methods
- `[BjcaSignManager bjcaVersion]` - Returns the SDK version string.
- `[BjcaSignManager bjcaServerType]` - Returns the current `BjcaServerType`.
- `[BjcaSignManager bjcaSetAppLanguage:(NSString *)]` - Sets the SDK display language ("zh", "en", or "" for system default).
- `[BjcaSignManager.bjcaShareBjcaSignManager startWithClientId:(NSString *) environment:(BjcaServerType)]` - Initializes the SDK.

### Request Example
[BjcaSignManager bjcaSetAppLanguage:@"zh"];
[BjcaSignManager.bjcaShareBjcaSignManager startWithClientId:@"your_client_id" environment:BjcaPublic];
```

--------------------------------

### Initialize BJCA Sign SDK

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Initialize the SDK with your client ID and select the appropriate server environment. This is a prerequisite for all SDK functionalities. The SDK also allows for optional customization of the navigation bar UI.

```objective-c
#import <BjcaSignSDK/BjcaSignManager.h>

// Get SDK singleton and set delegate
BjcaSignManager.bjcaShareBjcaSignManager.bjcaSignDelegate = self;

// Initialize SDK, set client ID and server environment
// Environment types: BjcaPublic(Production), BjcaSZYX(Medical Information), BjcaIntegrate(Integration), BjcaTest(Test), BjcaDev(Development)
[BjcaSignManager.bjcaShareBjcaSignManager startWithClientId:@"your_client_id"
                                                environment:BjcaPublic];

// Optional: Customize navigation bar UI style
[BjcaSignManager.bjcaShareBjcaSignManager setupUIForNavigationBarTintColor:[UIColor whiteColor]
                                            navigationBarBackgroundColor:[UIColor blueColor]];
```

--------------------------------

### SDK Initialization

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Initialize the SDK and set the server environment. This is a prerequisite for using all SDK functionalities. BjcaSignManager is the core singleton management class.

```APIDOC
## SDK Initialization

### Description
Initialize the SDK and set the server environment. This is a prerequisite for using all SDK functionalities. `BjcaSignManager` is the core singleton management class, configured by setting the `clientId` and environment type.

### Method
`startWithClientId:environment:`

### Endpoint
N/A (SDK method)

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
```objective-c
#import <BjcaSignSDK/BjcaSignManager.h>

// Get SDK singleton and set delegate
BjcaSignManager.bjcaShareBjcaSignManager.bjcaSignDelegate = self;

// Initialize SDK, set client ID and server environment
// Environment types: BjcaPublic (Production), BjcaSZYX (Medical Information), BjcaIntegrate (Integration), BjcaTest (Test), BjcaDev (Development)
[BjcaSignManager.bjcaShareBjcaSignManager startWithClientId:@"your_client_id"
                                                environment:BjcaPublic];

// Optional: Customize navigation bar UI style
[BjcaSignManager.bjcaShareBjcaSignManager setupUIForNavigationBarTintColor:[UIColor whiteColor]
                                            navigationBarBackgroundColor:[UIColor blueColor]];
```

### Response
N/A (Initialization is synchronous, results are handled via delegate callbacks)

### Error Handling
Errors are reported via the `BjcaSignDelegate` protocol.
```

--------------------------------

### Environment and Business Enums

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Definitions for server environments and business operation types supported by the SDK.

```APIDOC
## Environment and Business Enums

### BjcaServerType
- `BjcaPublic`: Production environment
- `BjcaSZYX`: Medical information environment
- `BjcaIntegrate`: Integration environment
- `BjcaTest`: Test environment
- `BjcaDev`: Development environment
- `BjcaCustom`: Custom domain environment

### BjcaBusinessType
- `BjcaBusinessCertDown`: Certificate download
- `BjcaBusinessCertUpdate`: Certificate update
- `BjcaBusinessCertReset`: Certificate password reset
- `BjcaBusinessStamp`: Modify stamp
- `BjcaBusinessSignList`: Batch signing
- `BjcaBusinessQrCode`: QR code business
- `BjcaBusinessFreePin`: Enable password-free
- `BjcaBusinessFingerPin`: Enable fingerprint
- `BjcaBusinessAutomationSign`: Automatic signing
```

--------------------------------

### Retrieve User Information

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Fetch detailed information for the currently logged-in user with a downloaded certificate, including their openId and certificate status. Also provides methods to directly access openId and the stamp image Base64 string.

```objective-c
// Request user information (asynchronous, results via delegate callback)
[BjcaSignManager.bjcaShareBjcaSignManager bjcaUserInfo:@"your_client_id"];

// Directly get user openId (returns nil if no certificate exists)
NSString *openId = [BjcaSignManager bjcaOpenId];

// Get stamp image Base64 (returns base64 string if exists, nil otherwise)
NSString *stampBase64 = [BjcaSignManager bjcaStampPic];
```

--------------------------------

### Configure Electronic Signatures

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Sets up user electronic signature images for single or batch vendor configurations.

```objective-c
// 单个签章配置
[BjcaSignManager.bjcaShareBjcaSignManager bjcaSetStamp:@"your_client_id"
                                           curViewCtrl:self
                                              navColor:[UIColor redColor]
                                          navFontColor:[UIColor yellowColor]];

// 批量签章配置（多个子厂商）
NSArray *firmIdList = @[@"firm_id_1", @"firm_id_2", @"firm_id_3"];
[BjcaSignManager.bjcaShareBjcaSignManager bjcaSetStamp:@"your_client_id"
                                            firmIdList:firmIdList
                                           curViewCtrl:self
                                              navColor:nil
                                          navFontColor:nil];
```

--------------------------------

### Manage Automated Signing

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Configures and manages automatic signing using hosted certificates for background processing.

```objective-c
// 开启自动签名
[BjcaSignManager.bjcaShareBjcaSignManager signForSignAuto:@"your_client_id"
                                                   sysTag:@"system_tag_001"
                                              curViewCtrl:self];

// 获取自动签名状态
[BjcaSignManager.bjcaShareBjcaSignManager signAutoInfo:@"your_client_id"];

// 停止自动签名
[BjcaSignManager.bjcaShareBjcaSignManager stopSignAuto:@"your_client_id"
                                                sysTag:@"system_tag_001"];

// 医网信APP专用：带子厂商ID开启自动签名
[BjcaSignManager.bjcaShareBjcaSignManager signForSignAutoWithFirmId:@"sub_firm_id"
                                                           clientId:@"your_client_id"
                                                             sysTag:@"system_tag_001"
                                                        curViewCtrl:self];

// 医网信APP专用：带子厂商ID停止自动签名
[BjcaSignManager.bjcaShareBjcaSignManager stopSignAutoWithFirmId:@"sub_firm_id"
                                                        clientId:@"your_client_id"
                                                          sysTag:@"system_tag_001"];
```

--------------------------------

### Implement BjcaSignDelegate for Callbacks

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Implement the BjcaSignDelegate protocol to receive callback results for all SDK business operations. The callback dictionary contains 'businessType', 'status' (0 for success), 'message', and 'data'.

```objective-c
@interface YourViewController ()<BjcaSignDelegate>
@end

@implementation YourViewController

- (void)BjcaFinished:(NSDictionary *)backParam {
    BjcaBusinessType business = [backParam[@"businessType"] integerValue];
    NSString *status = backParam[@"status"];
    NSString *message = backParam[@"message"];
    id data = backParam[@"data"];

    switch (business) {
        case BjcaBusinessCertDown:
            NSLog(@"Certificate download result: %@, Message: %@", status, message);
            break;
        case BjcaBusinessSignList:
            NSLog(@"Signature result: %@, Data: %@", status, data);
            break;
        case BjcaBusinessUserInfo:
            if ([status isEqualToString:@"0"]) {
                // User info obtained successfully
                NSString *openId = BjcaSignManager.bjcaOpenId;
                NSString *stampBase64 = BjcaSignManager.bjcaStampPic;
                BOOL isFreePin = BjcaSignManager.bjcaExistsFreePin;
            }
            break;
        case BjcaSignForSignAuto:
            NSLog(@"Enable auto-sign result: %@", status);
            break;
        default:
            break;
    }
}

@end
```

--------------------------------

### Perform OAuth Login

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Initiates OAuth authorization login flow within the application.

```objective-c
// 开始OAuth登录（APP使用）
[BjcaSignManager.bjcaShareBjcaSignManager startOauthLogin:@"request_uuid"
                                              grantOpenId:@"grant_open_id"
                                            grantUserName:@"授权人姓名"];
```

--------------------------------

### Perform Batch Signing

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Executes signing operations for multiple documents identified by unique IDs.

```objective-c
// 准备待签名的uniqueId列表
NSMutableArray *uniqueIds = [NSMutableArray arrayWithArray:@[@"unique_id_001", @"unique_id_002", @"unique_id_003"]];

// 执行批量签名
[BjcaSignManager.bjcaShareBjcaSignManager bjcaBatchSignList:uniqueIds
                                               userClientId:@"your_client_id"
                                                curViewCtrl:self];

// 使用子厂商ID进行签名（医网信APP专用）
[BjcaSignManager.bjcaShareBjcaSignManager signWithFirmId:@"sub_firm_id"
                                               uniqueIds:uniqueIds
                                            userClientId:@"your_client_id"
                                             curViewCtrl:self];
```

--------------------------------

### Handle QR Code Signing

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Processes signing operations via QR code scanning and handles authorization login.

```objective-c
// 二维码扫码签名
NSString *qrCodeString = @"scanned_qr_code_content";
[BjcaSignManager.bjcaShareBjcaSignManager bjcaQrSign:qrCodeString
                                        userClientId:@"your_client_id"
                                         curViewCtrl:self];

// 二维码信息识别处理（可选择是否处理授权登录）
[BjcaSignManager.bjcaShareBjcaSignManager qrDisposeWithString:qrCodeString
                                           isHandleGrantOauth:YES];
```

--------------------------------

### Certificate Download

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Download the user's digital certificate. Users need to enter their phone number and pass identity verification to obtain the certificate, which is essential for electronic signatures.

```APIDOC
## Certificate Download

### Description
Download the user's digital certificate. Users need to enter their phone number and pass identity verification to obtain the certificate, which is essential for electronic signatures.

### Method
`bjcaCertDown:phoneNum:curViewCtrl:`
`bjcaCertDown:phoneNum:firmId:curViewCtrl:`

### Endpoint
N/A (SDK method)

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
```objective-c
// Basic certificate download
[BjcaSignManager.bjcaShareBjcaSignManager bjcaCertDown:@"your_client_id"
                                              phoneNum:@"13800138000"
                                           curViewCtrl:self];

// Certificate download with sub-firm ID
[BjcaSignManager.bjcaShareBjcaSignManager bjcaCertDown:@"your_client_id"
                                              phoneNum:@"13800138000"
                                                firmId:@"sub_firm_id"
                                           curViewCtrl:self];
```

### Response
N/A (Results are handled via the `BjcaSignDelegate` callback.
```

--------------------------------

### Server Environment Type Enum (Objective-C)

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Defines the enumeration for different server environments supported by the SDK. Use this to configure the SDK for development, testing, or production.

```objective-c
// 服务器环境类型枚举 BjcaServerType
typedef NS_ENUM(NSInteger, BjcaServerType) {
    BjcaPublic,      // 正式环境
    BjcaSZYX,        // 医信环境
    BjcaIntegrate,   // 集成环境
    BjcaTest,        // 测试环境
    BjcaDev,         // 开发环境
    BjcaCustom,      // 自定义域名环境
};

// 使用示例
[BjcaSignManager.bjcaShareBjcaSignManager startWithClientId:@"your_client_id"
                                                environment:BjcaPublic];
```

--------------------------------

### Configure Password-Free Signing

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Enables or disables password-free signing for a specified duration to improve efficiency.

```objective-c
// 检查当前是否处于免密状态
BOOL isFreePin = [BjcaSignManager bjcaExistsFreePin];
if (isFreePin) {
    NSLog(@"当前处于免密状态");
}

// 开启免密签名（参数为天数，支持1-60天）
int freePinDays = 7;
[BjcaSignManager.bjcaShareBjcaSignManager bjcaFreePinSign:freePinDays
                                                 clientId:@"your_client_id"
                                              curViewCtrl:self];

// 清除免密状态
[BjcaSignManager bjcaRemovePin];
```

--------------------------------

### QR Code Signing API

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Perform signing operations by scanning a QR code. Supports QR code content recognition and processing.

```APIDOC
## QR Code Signing

Perform signing operations by scanning a QR code, supporting QR code content recognition and processing.

### QR Code Scan and Sign

```objective-c
// QR code scan and sign
NSString *qrCodeString = @"scanned_qr_code_content";
[BjcaSignManager.bjcaShareBjcaSignManager bjcaQrSign:qrCodeString
                                        userClientId:@"your_client_id"
                                         curViewCtrl:self];
```

### QR Code Information Recognition and Processing

```objective-c
// QR code information recognition and processing (optional handling of authorization login)
[BjcaSignManager.bjcaShareBjcaSignManager qrDisposeWithString:qrCodeString
                                           isHandleGrantOauth:YES];
```
```

--------------------------------

### Delegate Callback Handling

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Implement the `BjcaSignDelegate` protocol to receive callback results for all SDK business operations. The callback dictionary contains `businessType`, `status`, `message`, and `data`.

```APIDOC
## Delegate Callback Handling

### Description
Implement the `BjcaSignDelegate` protocol to receive callback results for all SDK business operations. The callback dictionary contains `businessType` (business type), `status` (status code, 0 for success), `message` (message), and `data` (data).

### Method
`BjcaFinished:(NSDictionary *)backParam`

### Endpoint
N/A (SDK delegate method)

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
```objective-c
@interface YourViewController ()<BjcaSignDelegate>
@end

@implementation YourViewController

- (void)BjcaFinished:(NSDictionary *)backParam {
    BjcaBusinessType business = [backParam[@"businessType"] integerValue];
    NSString *status = backParam[@"status"];
    NSString *message = backParam[@"message"];
    id data = backParam[@"data"];

    switch (business) {
        case BjcaBusinessCertDown:
            NSLog(@"Certificate download result: %@, Message: %@", status, message);
            break;
        case BjcaBusinessSignList:
            NSLog(@"Signature result: %@, Data: %@", status, data);
            break;
        case BjcaBusinessUserInfo:
            if ([status isEqualToString:@"0"]) {
                // User info obtained successfully
                NSString *openId = BjcaSignManager.bjcaOpenId;
                NSString *stampBase64 = BjcaSignManager.bjcaStampPic;
                BOOL isFreePin = BjcaSignManager.bjcaExistsFreePin;
            }
            break;
        case BjcaSignForSignAuto:
            NSLog(@"Auto-sign enabled result: %@", status);
            break;
        default:
            break;
    }
}

@end
```

### Response
N/A (Results are delivered via the `BjcaFinished:` delegate method)

### Error Handling
Callback dictionary contains `status` and `message` fields for error reporting.
```

--------------------------------

### Signature Configuration API

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Configure electronic signature images for users. Supports single and batch signature configuration.

```APIDOC
## Signature Configuration

Configure the electronic signature image for a user. Signatures will be used during the signing process. Supports single and batch signature configuration.

### Single Signature Configuration

```objective-c
// Single signature configuration
[BjcaSignManager.bjcaShareBjcaSignManager bjcaSetStamp:@"your_client_id"
                                           curViewCtrl:self
                                              navColor:[UIColor redColor]
                                          navFontColor:[UIColor yellowColor]];
```

### Batch Signature Configuration (Multiple Sub-Vendors)

```objective-c
// Batch signature configuration (multiple sub-vendors)
NSArray *firmIdList = @[@"firm_id_1", @"firm_id_2", @"firm_id_3"];
[BjcaSignManager.bjcaShareBjcaSignManager bjcaSetStamp:@"your_client_id"
                                            firmIdList:firmIdList
                                           curViewCtrl:self
                                              navColor:nil
                                          navFontColor:nil];
```
```

--------------------------------

### Manage Local Certificates

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Perform operations such as checking for the existence of a local certificate, removing it, or viewing its details. The detail view can be customized with navigation bar colors.

```objective-c
// Check if a local certificate exists
BOOL isCertExist = [BjcaSignManager bjcaExistsCert];
if (isCertExist) {
    NSLog(@"Certificate exists");
} else {
    NSLog(@"Certificate does not exist, please download it first");
}

// Remove local certificate
[BjcaSignManager bjcaRemoveCert];

// View certificate details page
[BjcaSignManager.bjcaShareBjcaSignManager bjcaCertDetail:@"your_client_id"
                                             curViewCtrl:self
                                                navColor:[UIColor redColor]
                                            navFontColor:[UIColor yellowColor]];

// View certificate details with sub-firm ID and default colors
[BjcaSignManager.bjcaShareBjcaSignManager bjcaCertDetail:@"your_client_id"
                                                  firmId:@"sub_firm_id"
                                             curViewCtrl:self
                                                navColor:nil
                                            navFontColor:nil];
```

--------------------------------

### Enable Biometric Signing

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Integrates Touch ID or Face ID for secure signature verification.

```objective-c
// 检查指纹签名开关状态
BOOL isFingerEnabled = [BjcaSignManager bjcaFingerState];

// 开启生物识别签名（Touch ID / Face ID）
[BjcaSignManager.bjcaShareBjcaSignManager bjcaFingerSign:self];

// 关闭生物识别签名
[BjcaSignManager.bjcaShareBjcaSignManager bjcaFingerSignClose:self];
```

--------------------------------

### Download User Digital Certificate

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Initiate the download of a user's digital certificate after identity verification. This certificate is essential for electronic signatures. Supports download with and without a sub-firm ID.

```objective-c
// Basic certificate download
[BjcaSignManager.bjcaShareBjcaSignManager bjcaCertDown:@"your_client_id"
                                              phoneNum:@"13800138000"
                                           curViewCtrl:self];

// Certificate download with sub-firm ID
[BjcaSignManager.bjcaShareBjcaSignManager bjcaCertDown:@"your_client_id"
                                              phoneNum:@"13800138000"
                                                firmId:@"sub_firm_id"
                                           curViewCtrl:self];
```

--------------------------------

### Automatic Signing API

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Enable automatic signing functionality. Once enabled, documents to be signed synchronized from the server will be automatically signed using personal hosted certificates without manual user intervention.

```APIDOC
## Automatic Signing

Enable automatic signing functionality. Once enabled, documents to be signed synchronized from the server will be automatically signed using personal hosted certificates, without manual user intervention.

### Enable Automatic Signing

```objective-c
// Enable automatic signing
[BjcaSignManager.bjcaShareBjcaSignManager signForSignAuto:@"your_client_id"
                                                   sysTag:@"system_tag_001"
                                              curViewCtrl:self];
```

### Get Automatic Signing Status

```objective-c
// Get automatic signing status
[BjcaSignManager.bjcaShareBjcaSignManager signAutoInfo:@"your_client_id"];
```

### Stop Automatic Signing

```objective-c
// Stop automatic signing
[BjcaSignManager.bjcaShareBjcaSignManager stopSignAuto:@"your_client_id"
                                                sysTag:@"system_tag_001"];
```

### Enable Automatic Signing with Sub-Vendor ID (Exclusive for YiWangXin APP)

```objective-c
// YiWangXin APP exclusive: Enable automatic signing with sub-vendor ID
[BjcaSignManager.bjcaShareBjcaSignManager signForSignAutoWithFirmId:@"sub_firm_id"
                                                           clientId:@"your_client_id"
                                                             sysTag:@"system_tag_001"
                                                        curViewCtrl:self];
```

### Stop Automatic Signing with Sub-Vendor ID (Exclusive for YiWangXin APP)

```objective-c
// YiWangXin APP exclusive: Stop automatic signing with sub-vendor ID
[BjcaSignManager.bjcaShareBjcaSignManager stopSignAutoWithFirmId:@"sub_firm_id"
                                                        clientId:@"your_client_id"
                                                          sysTag:@"system_tag_001"];
```
```

--------------------------------

### Certificate Status Check and Management

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Check for the existence of a local certificate, remove a local certificate, and view certificate details for certificate management operations.

```APIDOC
## Certificate Status Check and Management

### Description
Check for the existence of a local certificate, remove a local certificate, and view certificate details for certificate management operations.

### Methods
`bjcaExistsCert`
`bjcaRemoveCert`
`bjcaCertDetail:curViewCtrl:navColor:navFontColor:`
`bjcaCertDetail:firmId:curViewCtrl:navColor:navFontColor:`

### Endpoint
N/A (SDK methods)

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
```objective-c
// Check if a local certificate exists
BOOL isCertExist = [BjcaSignManager bjcaExistsCert];
if (isCertExist) {
    NSLog(@"Certificate exists");
} else {
    NSLog(@"Certificate does not exist, please download it first");
}

// Remove local certificate
[BjcaSignManager bjcaRemoveCert];

// View certificate details page
[BjcaSignManager.bjcaShareBjcaSignManager bjcaCertDetail:@"your_client_id"
                                             curViewCtrl:self
                                                navColor:[UIColor redColor]
                                            navFontColor:[UIColor yellowColor]];

// View certificate details with sub-firm ID
[BjcaSignManager.bjcaShareBjcaSignManager bjcaCertDetail:@"your_client_id"
                                                  firmId:@"sub_firm_id"
                                             curViewCtrl:self
                                                navColor:nil
                                            navFontColor:nil];
```

### Response
- `bjcaExistsCert`: Returns `BOOL` indicating certificate existence.
- `bjcaRemoveCert`: No direct return value; operation is asynchronous.
- `bjcaCertDetail`: N/A (Presents a UI view; results handled via `BjcaSignDelegate` callback.
```

--------------------------------

### Password-Free Signing API

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Enable password-free signing. Once enabled, signing operations within a specified number of days will not require certificate password input, improving signing efficiency.

```APIDOC
## Password-Free Signing

Enable password-free signing. Once enabled, signing operations within a specified number of days will not require certificate password input, improving signing efficiency.

### Check Current Password-Free Status

```objective-c
// Check if currently in password-free state
BOOL isFreePin = [BjcaSignManager bjcaExistsFreePin];
if (isFreePin) {
    NSLog(@"Currently in password-free state");
}
```

### Enable Password-Free Signing

```objective-c
// Enable password-free signing (parameter is the number of days, supports 1-60 days)
int freePinDays = 7;
[BjcaSignManager.bjcaShareBjcaSignManager bjcaFreePinSign:freePinDays
                                                 clientId:@"your_client_id"
                                              curViewCtrl:self];
```

### Clear Password-Free Status

```objective-c
// Clear password-free status
[BjcaSignManager bjcaRemovePin];
```
```

--------------------------------

### Batch Signing API

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Perform batch signing operations on multiple documents to be signed. Specify the list of documents to be signed using uniqueId arrays.

```APIDOC
## Batch Signing

Perform batch signing operations on multiple documents to be signed, specifying the list of documents to be signed via uniqueId arrays.

### Standard Batch Signing

```objective-c
// Prepare the list of uniqueIds to be signed
NSMutableArray *uniqueIds = [NSMutableArray arrayWithArray:@[
    @"unique_id_001",
    @"unique_id_002",
    @"unique_id_003"
]];

// Execute batch signing
[BjcaSignManager.bjcaShareBjcaSignManager bjcaBatchSignList:uniqueIds
                                               userClientId:@"your_client_id"
                                                curViewCtrl:self];
```

### Batch Signing with Sub-Vendor ID (Exclusive for YiWangXin APP)

```objective-c
// Sign with sub-vendor ID (YiWangXin APP exclusive)
[BjcaSignManager.bjcaShareBjcaSignManager signWithFirmId:@"sub_firm_id"
                                               uniqueIds:uniqueIds
                                            userClientId:@"your_client_id"
                                             curViewCtrl:self];
```
```

--------------------------------

### OAuth Login API

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Perform OAuth authorization login through the YiWangXin APP.

```APIDOC
## OAuth Login

Perform OAuth authorization login through the YiWangXin APP.

### Start OAuth Login (APP Usage)

```objective-c
// Start OAuth login (APP usage)
[BjcaSignManager.bjcaShareBjcaSignManager startOauthLogin:@"request_uuid"
                                              grantOpenId:@"grant_open_id"
                                            grantUserName:@"授权人姓名"];
```
```

--------------------------------

### Authorize Signing Permissions

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Grants signing authority to another user for a specific time period.

```objective-c
// 开启授权签名
// firmId: 子厂商ID
// grantedUserId: 被授权医生用户ID
// timeOut: 授权时间（单位：小时）
[BjcaSignManager.bjcaShareBjcaSignManager startGrantSign:@"your_client_id"
                                                  firmId:@"sub_firm_id"
                                           grantedUserId:@"granted_doctor_user_id"
                                                 timeOut:24
                                   currentViewController:self];
```

--------------------------------

### Biometric Signature API

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Enable signature verification using Touch ID or Face ID, providing a more convenient and secure signing experience.

```APIDOC
## Biometric Signature

Enable signature verification using Touch ID or Face ID, providing a more convenient and secure signing experience.

### Check Fingerprint Signing Switch Status

```objective-c
// Check the status of the fingerprint signing switch
BOOL isFingerEnabled = [BjcaSignManager bjcaFingerState];
```

### Enable Biometric Signature (Touch ID / Face ID)

```objective-c
// Enable biometric signature (Touch ID / Face ID)
[BjcaSignManager.bjcaShareBjcaSignManager bjcaFingerSign:self];
```

### Disable Biometric Signature

```objective-c
// Disable biometric signature
[BjcaSignManager.bjcaShareBjcaSignManager bjcaFingerSignClose:self];
```
```

--------------------------------

### Authorization Signing API

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Enable authorization signing functionality, allowing signature permissions to be granted to specified authorized doctors who can sign on behalf of the user within a specified time frame.

```APIDOC
## Authorization Signing

Enable authorization signing functionality, allowing signature permissions to be granted to specified authorized doctors, who can sign on behalf of the user within a specified time frame.

### Start Granting Signature Authority

```objective-c
// Enable authorization signing
// firmId: Sub-vendor ID
// grantedUserId: User ID of the authorized doctor
// timeOut: Authorization duration (in hours)
[BjcaSignManager.bjcaShareBjcaSignManager startGrantSign:@"your_client_id"
                                                  firmId:@"sub_firm_id"
                                           grantedUserId:@"granted_doctor_user_id"
                                                 timeOut:24
                                   currentViewController:self];
```
```

--------------------------------

### Business Type Enum (Objective-C)

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Defines the enumeration for various business operations used in SDK callbacks. This helps in distinguishing the results of different business actions.

```objective-c
// 业务类型枚举 BjcaBusinessType
typedef NS_ENUM(NSInteger, BjcaBusinessType) {
    BjcaBusinessCertDown,         // 证书下载
    BjcaBusinessCertUpdate,       // 证书更新
    BjcaBusinessCertReset,        // 证书密码重置
    BjcaBusinessStamp,            // 修改签章
    BjcaBusinessSignList,         // 批量签名
    BjcaBusinessQrCode,           // 二维码业务
    BjcaBusinessFreePin,          // 免密开启
    BjcaBusinessUserInfo,         // 用户信息
    BjcaBusinessCertDetail,       // 查看证书详情
    BjcaBusinessFingerPin,        // 开启指纹
    BjcaBusinessFingerPinClose,   // 关闭指纹
    BjcaBusinessAutomationSign,   // 业务自动签名
    BjcaSignForSignAuto,          // 开启自动签名
    BjcaSignAutoInfo,             // 获取自动签名状态
    BjcaStopSignAuto,             // 停止自动签名
    BjcaOpenGrantSign,            // 开启授权签名
    BjcaShowPinWindow,            // 显示密码输入
};
```

--------------------------------

### Reset Certificate Password

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Reset the password for a digital certificate, useful when the user forgets their password or wishes to change it. Supports reset with and without a sub-firm ID.

```objective-c
// Basic certificate password reset
[BjcaSignManager.bjcaShareBjcaSignManager bjcaCertReset:@"your_client_id"
                                            curViewCtrl:self];

// Certificate password reset with sub-firm ID
[BjcaSignManager.bjcaShareBjcaSignManager bjcaCertReset:@"your_client_id"
                                                 firmId:@"sub_firm_id"
                                            curViewCtrl:self];
```

--------------------------------

### Certificate Password Reset

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Reset the certificate password for scenarios where the user has forgotten their password or needs to change it.

```APIDOC
## Certificate Password Reset

### Description
Reset the certificate password for scenarios where the user has forgotten their password or needs to change it.

### Method
`bjcaCertReset:curViewCtrl:`
`bjcaCertReset:firmId:curViewCtrl:`

### Endpoint
N/A (SDK method)

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
```objective-c
// Basic certificate password reset
[BjcaSignManager.bjcaShareBjcaSignManager bjcaCertReset:@"your_client_id"
                                            curViewCtrl:self];

// Certificate password reset with sub-firm ID
[BjcaSignManager.bjcaShareBjcaSignManager bjcaCertReset:@"your_client_id"
                                                 firmId:@"sub_firm_id"
                                            curViewCtrl:self];
```

### Response
N/A (Results are handled via the `BjcaSignDelegate` callback.
```

--------------------------------

### Certificate Update

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Update expired or soon-to-expire digital certificates to maintain the validity of the certificate and continue using signature functionalities.

```APIDOC
## Certificate Update

### Description
Update expired or soon-to-expire digital certificates to maintain the validity of the certificate and continue using signature functionalities.

### Method
`bjcaCertUpdate:curViewCtrl:`
`bjcaCertUpdate:firmId:curViewCtrl:`

### Endpoint
N/A (SDK method)

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
```objective-c
// Basic certificate update
[BjcaSignManager.bjcaShareBjcaSignManager bjcaCertUpdate:@"your_client_id"
                                             curViewCtrl:self];

// Certificate update with sub-firm ID
[BjcaSignManager.bjcaShareBjcaSignManager bjcaCertUpdate:@"your_client_id"
                                                  firmId:@"sub_firm_id"
                                             curViewCtrl:self];
```

### Response
N/A (Results are handled via the `BjcaSignDelegate` callback.
```

--------------------------------

### Update Expired Digital Certificate

Source: https://context7.com/yiwangxin/bjcasignsdk/llms.txt

Update an existing digital certificate to maintain its validity for ongoing signature operations. This function can be called with or without a sub-firm ID.

```objective-c
// Basic certificate update
[BjcaSignManager.bjcaShareBjcaSignManager bjcaCertUpdate:@"your_client_id"
                                             curViewCtrl:self];

// Certificate update with sub-firm ID
[BjcaSignManager.bjcaShareBjcaSignManager bjcaCertUpdate:@"your_client_id"
                                                  firmId:@"sub_firm_id"
                                             curViewCtrl:self];
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.