如何在IOS中读取应用程序的证书信息

import Foundation
import Security

func printAppCertificateInfo() {
    var code: SecCode?
    let status = SecCodeCopySelf([], &code)
    
    guard status == errSecSuccess, let appCode = code else {
        print("Failed to get app code: \(status)")
        return
    }
    
    var signingInfo: CFDictionary?
    let signingStatus = SecCodeCopySigningInformation(appCode, SecCSFlags(rawValue: kSecCSSigningInformation), &signingInfo)
    
    guard signingStatus == errSecSuccess, let info = signingInfo as? [String: Any] else {
        print("Failed to get signing information: \(signingStatus)")
        return
    }
    
    if let certificates = info[kSecCodeInfoCertificates as String] as? [SecCertificate] {
        for certificate in certificates {
            if let summary = SecCertificateCopySubjectSummary(certificate) as String? {
                print("Certificate Subject: \(summary)")
            }
            
            var error: Unmanaged<CFError>?
            if let data = SecCertificateCopyData(certificate) as Data? {
                print("Certificate Data: \(data.base64EncodedString())")
            }
        }
    } else {
        print("No certificates found")
    }
}

// 调用函数
printAppCertificateInfo()