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support CAR meta in booster-http #1610
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The request here has evolved a bit through discussion. current design thought is a wrapper around the boxo handler in boost-http
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Ideas
.Boost component
What is the motivation behind this feature request? Is your feature request related to a problem? Please describe.
When I retrieve content from boost, I would like a response that I can use to tell someone else "this SP gave me the data I asked for.
currently that isn't true because there's no signature or attestation in the response - so there's no way to:
Describe the solution you'd like
We propose to make use of ipfs/specs#431 - the use of
metadata
within car responses that is an extension to IPIP-412 that allows for the use of a cbor key-value block to end a booster-http response.in the final metadata block of a response from boost we propose to include 3 fields:
len
- byte length of the response data (excluding the metadata block)b3h
- Blake3 hash (checksum) of the response data (excluding the metadata block).b3h_sig
- A signature over<len><b3h><request>
using booster-http's libp2p identity.Describe alternatives you've considered
Additional context
No response
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