2
我发现有时在尝试获取之前通过使用Keychain
API成功存储的安全项时遇到此错误。我在设备上运行的应用程序处于后台状态并锁定屏幕时发现它。该设备还没有锁定代码集,这是我打电话的功能:访问Keychain中的安全项有时会在iOS中返回错误-25308(errSecInteractionNotAllowed)
+ (NSString *)findValueForKey:(NSString *)keyStr
{
NSString *valueStr = @"";
if ((keyStr != nil) && (![keyStr isEqualToString:@""])) {
NSString *service = [[NSBundle mainBundle] bundleIdentifier];
NSDictionary *query = @{(__bridge id)kSecClass : (__bridge id)kSecClassGenericPassword,
(__bridge id)kSecAttrService : service,
(__bridge id)kSecAttrAccount : keyStr,
(__bridge id)kSecReturnData : (__bridge id)kCFBooleanTrue};
CFDataRef cfValue = NULL;
OSStatus results = SecItemCopyMatching((__bridge CFDictionaryRef)query, (CFTypeRef *)&cfValue);
if ([self checkIfNoError:results]) {
valueStr = [[NSString alloc] initWithData:(__bridge_transfer NSData *)cfValue encoding:NSUTF8StringEncoding];
}
else {
NSLog(@"%@", [self getErrorMessageForStatus:results]);
}
}
return valueStr;
}
和项目储存通过调用这个方法:
+ (BOOL)storeInKeychainWithKey:(NSString *)keyStr withValueStr:(NSString *)valueStr
{
if ((keyStr != nil) && (![keyStr isEqualToString:@""]) &&
(valueStr != nil) && (![valueStr isEqualToString:@""])) {
NSData *valueData = [valueStr dataUsingEncoding:NSUTF8StringEncoding];
NSString *service = [[NSBundle mainBundle] bundleIdentifier];
NSDictionary *secItem = @{(__bridge id)kSecClass : (__bridge id)kSecClassGenericPassword,
(__bridge id)kSecAttrService : service,
(__bridge id)kSecAttrAccount : keyStr,
(__bridge id)kSecValueData : valueData};
CFTypeRef result = NULL;
OSStatus status = SecItemAdd((__bridge CFDictionaryRef)secItem, &result);
NSLog(@"%@", [self getErrorMessageForStatus:status]);
return [self checkIfItem:status];
}
else {
return NO;
}
}
我认为钥匙串项目总是在iOS的访问......这post似乎是关于类似的东西,但我不知道这是否是已被废弃,我应该怎么解决这个...提前
感谢