Extend package API with features usefule for existing apps #479
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cthulhu-rider
commented
Jul 29, 2023
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cthulhu-rider
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- track adaptations in Upgrade NeoFS SDK module to the latest revision neofs-node#2449
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smallhive
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Aug 3, 2023
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cthulhu-rider
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Aug 3, 2023
user/signer.go
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| return s.id | ||
| // NewStaticSignerWithID creates new [Signer] with specified [ID]. | ||
| func NewStaticSignerWithID(scheme neofscrypto.Scheme, sig []byte, pubKey neofscrypto.PublicKey, id ID) Signer { | ||
| return NewSigner(neofscrypto.NewStaticSigner(scheme, sig, pubKey), id) |
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@smallhive
having NewSigner and neofscrypto.NewStaticSigner: do we really need NewStaticSignerWithID then?
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We have both variants for the usual signer in case if someone wants to set a different user.ID. I think we should save this flexibility here, as a minimum for now
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save this flexibility here
to keep or not to keep NewStaticSignerWithID?
it may be
s := user.NewStaticSignerWithID(scheme, sig, pub, id)
// or
s := user.NewSigner(neofscrypto.NewStaticSigner(scheme, sig, pub), id)does first approach worth a separate function?
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The second option covers my requirements, you may remove NewStaticSignerWithID or mark it obsolete
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ok, lets try to ride w/o it (we can always add if that)
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roman-khimov
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Aug 3, 2023
Provide getters of signature scheme, public key and value. Make `WriteToV2` method to decode public key from binary to assert scheme format. New API will allow to avoid `WriteToV2` calls in user space. New unit test checks and shows client-to-server transport over NeoFS API V2 protocol. Signed-off-by: Leonard Lyubich <leonard@morphbits.io>
Encoding methods of `PublicKey` interface require buffer pre-allocation. In cases where the user does not have a buffer prepared in advance, he has to explicitly create it and encode the key. Helper function `PublicKeyBytes` is added to make code easier. Signed-off-by: Leonard Lyubich <leonard@morphbits.io>
Previously, package provided constructors for `Signer` instances with RFC 6979 signature scheme only. User may need to construct any `Signer` instance (other scheme or even custom implementation). Add generic constructor `NewSigner` accepting split `neofscrypto.Signer` and `user.ID`. Add two constructors from standard `ecdsa.PrivateKey` with an explanation that the user ID is resolved automatically. Signed-off-by: Leonard Lyubich <leonard@morphbits.io>
Signature is used for user authentication so access to public key is required. Digital signature bytes may still be unexported because they are only useful for `VerifySignature` method. Add `IssuerPublicKeyBytes` method returning binary-encoded public key of the session issuer. Signed-off-by: Leonard Lyubich <leonard@morphbits.io>
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roman-khimov
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carpawell
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