![]() ![]() Website is - Īnother method which I can suggest is, how about you convert your files to an SFX (Self Extracting) Archive and set a password with a nice encryption on it? I guess for this method you do not need any Installed Software on the remote desktop or even on an Android phone (No idea, about iOS) to decrypt the files.Īs far as encryption is considered without using any software, you can use the Iexpress utility built inside every copy of Windows since Windows XP to create an SFX archive and use the above open source tool for encryption. One open source solution which I found should solve your problem is the Cryptsync. Also you can't decrypt data on untrustworthy machines such as library computers. This, however, means that you need to do the encryption on a trusted machine and that usually mandates that you install additional software. If you really want to make sure that nobody sees unencrypted data, then you can't show your unencrypted data to anyone. This interface can encrypt and decrypt your files before saving them on your cloud storage. ![]() From what I can tell, they provide a JavaScript-powered web-based interface to your Google Drive and Dropbox storage. And you have also handed him your Google Drive login so now he is the one who will be able to download and decrypt everything in your Google Drive.Īddendum : From having a quick look at the InstantCryptor website it seems that they have implemented exactly this scenario. ![]() However, now you have a different website owner who provides the decryption algorithm and might therefore have your key. This means that Google would never see your plain data and you would still be able to access it without installing additional software. In theory it would be possible to build a website that accesses your Google Drive using that API and encrypts and decrypts data before it is written or read. Google Drive has an API that allows viewing and uploading of files. However, this requires that you trust some other party to see your sensitive data. Again, you would have to hand the key to an algorithm that is from Google and that algorithm might send the key back to Google.Īfter all that talk about how it is impossible to do transparent Google Drive encryption here comes a way how it might be possible. This, however, would have to be implemented by Google so they can serve it to you on their page. The other option would be decryption in your browser.So now they have your key which means they can decrypt which means you might as well have stored your data in plain text all along. When it is done on the Google servers it is obvious that you need to supply Google with your encryption key so they can decrypt your data on their servers.Transparent encryption without additional software on the client side would have to be done either on the Google servers or in your browser. Since you want to store data so that Google can't read it we are going to define Google as untrustworthy. Applying this to your Google Drive situation This, however, means that you should not use an algorithm provided by an untrustworthy source. So you want the algorithm to be trustworthy. But you need to supply the key to the algorithm and an untrustworthy algorithm might just send the key to an untrustworthy entity. The key must never be known by an untrustworthy entity. The algorithm used to encrypt the data and.Here's why this is so hard to do:Įncryption of data always requires two main ingredients: the data is encrypted but you don't really have to care about how it is done and don't need to worry about installing software. I'm not really sure what you mean by "online" here but I am assuming you mean "transparent" i.e. ![]() This also explains why there are no "online solutions to encrypting Google Drive". Once this happens your entire encryption is useless. That machine might have malware on it that sends copies of your data and/or your key to somebody who is not supposed to have them. Then how do you access encrypted data on the library computer? Well, you don't. So if you are really concerned about the contents of your files then use an offline encryption/decryption tool on a trusted machine and upload the encrypted data to Google Drive or any other cloud file sharing service. This trust is usually only warranted if you have full control over this machine which also means that you can install software on it. In general: You need to trust the machine on which you are decrypting the files. ![]()
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