> I.e.: If the security/privacy guarantees really are as advertised, then ipso facto someone could store child porn in the system and the provider couldn't detect this.
But what they would be storing in this case is not illegal content.
Straight up. Encrypted bits without a key are meaningless.
There is nothing stopping a criminal from uploading illegal content to Google drive as an encrypted blob. There's nothing Google can do about it, and there is no legal repercussion (to my knowledge) of holding such a blob.
You're simply wrong about this. "I don't know the key" is not legal defense even against hosting an encrypted blob of copyright infringing contemt, much less an encrypted blob of illegal pornography.
But what they would be storing in this case is not illegal content. Straight up. Encrypted bits without a key are meaningless.
There is nothing stopping a criminal from uploading illegal content to Google drive as an encrypted blob. There's nothing Google can do about it, and there is no legal repercussion (to my knowledge) of holding such a blob.