transfer.sh
# upload
curl --upload-file ./hello.txt https://transfer.sh/hello.txt
# Encrypt & upload
cat /tmp/hello.txt|gpg -ac -o-|curl -X PUT --upload-file "-" https://transfer.sh/test.txt
# Download & decrypt:
curl https://transfer.sh/1lDau/test.txt|gpg -o- > /tmp/hello.txt
#more https://github.com/dutchcoders/transfer.sh/