Are there any apps/scripts that encrypt photos BEFORE sending to Google Photos?

I have a deal from my cell carrier that allows me to get unlimited original quality backup to Google Photos for $15/mo. It's appealing to me because I won't have to manage the devices, and I won't have to open ports.

I found [this white paper](https://www.engineering.columbia.edu/news/encrypting-cloud-photos) from Columbia Engineering talking about fuzzing photos THEN sending them to Google Photos. Are there any apps doing this or similar? Basically same idea as doing PGP/GPG only email on GMail, without the contact …

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