feat(signature): Checksum signature verification #1670
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Addresses issue #1627
This PR adds checksum.txt file signature verification before downloading and installing actual binary. This is an optional opt-in feature using command line flag
-v
to installation script.Signature verification process depends on 3rd party cosign binary. If the binary is not found, the user is prompted to install the binary. Cosign binary installation is not part of this script.
The overall process with signature verification looks like this:
-v
command line flag to installation script.Successful signature verification:
Signature verification failure:
Cosign binary not found: