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README.md

signedrequests

SignedRequest is written in Go and uses only Go in built packages. This tool for working with signedrequests urls and it provides users with following features

  1. Generates Public and Private Keys using Ed25519 Algorirthm
  2. Generate a base64 format for Public Keys
  3. Generate a signed request url with signature

Installation

Clone this repo. Change directory to gcp-data-drive.

git clone https://github.com/GoogleCloudPlatform/DIY-Tools
cd DIY-Tools/signed-requests/

How to use?

To build signedrequests tool from script. For linux based environments, the following command will generate a runnable script name signedrequests in the same location.

bash-3.2$ go build signedrequests.go

Alternatively one can use go run singedrequests.go to work directly with the script itself.

Help

bash-3.2$ ./signedrequests --help
Usage: ./signedrequests subcommand [subcommand args...]

where: subcommand is one of generate-keys, encode-key, sign-url, sign-prefix, help

KeyPairs

To Ed25519 generate key pairs, use following command

./signedrequests generate-keys

̦ On succesful executions, generate-keys generated two files private.key and public.pub in the same location.

For more details, once can check ./signedrequests generate-keys -h. As mentioned above, alternatively go run signedrequests.go generate-keys -h also works.

bash-3.2$ ./signedrequests generate-keys --help
Usage of generate-keys:
  -key string
    	file name into which to write the generated private key (default "private.key")
  -pub string
    	file name into which to write the generated public key (default "public.pub")
bash-3.2$

To generate a encoded public key from public.pub. By default, this command checks for the public.pub file in current locations. Check ./signedrequests encode-key --help for more details

bash-3.2$ ./signedrequests encode-key
3j-vSlCYbpEViynAdfF4FXqG5csXqObthlEiUxKYBY8

Signed Request URL

To generate a signed request url,

bash-3.2$ ./signedrequests sign-url --url "http://example.com/bucket/sunny.jpg" --keyset example_keyset
http://example.com/bucket/sunny.jpg?Expires=1650542063&KeyName=example_keyset&Signature=3NOwNjha5yttobSKg3BveEzeBzTXQA3l4kij4QBJ0MT9I8QYrZQ0Sqyag4rwgU4_VcQTOaMmfQl0v9FOsmyqDw

The default time validity included is 1hr. For more details check ./signedrequests sign-url -h

Contributions

For contributions, please check here