可通過(guò)此方法判斷是否安裝了描述文件。
+ (BOOL)IsCertificatesTrusted:(NSArray<NSData *> *)certDatas {
if (certDatas.count == 0) {
return NO;
}
CFMutableArrayRef certs = CFArrayCreateMutable(CFAllocatorGetDefault(), 0, &kCFTypeArrayCallBacks);
for (NSData *certData in certDatas) {
SecCertificateRef cert = SecCertificateCreateWithData(NULL, (__bridge CFDataRef) certData);
if (!cert) {
continue;
}
CFArrayAppendValue(certs, cert);
CFRelease(cert);
}
SecPolicyRef policy = SecPolicyCreateBasicX509();
SecTrustRef trust;
OSStatus err = SecTrustCreateWithCertificates(certs, policy, &trust);
CFRelease(certs);
CFRelease(policy);
if (!trust) {
return NO;
}
if (err != errSecSuccess) {
CFRelease(trust);
return NO;
}
SecTrustResultType trustResult = -1;
err = SecTrustEvaluate(trust, &trustResult);
CFRelease(trust);
if (err != errSecSuccess) {
return NO;
}
if(trustResult == kSecTrustResultUnspecified) {
return YES;
} else {
return NO;
}
}
