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tss/rsa: Rewrite serialization functions for KeyShare and SignShare #454

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@armfazh armfazh commented Aug 3, 2023

Use cryptoybyte to leverage TLS syntax. Serialization of KeyShare and SignShares.

Staked on top of #453

@armfazh armfazh changed the title tss/rsa: Rewrite serialization functions, tss/rsa: Rewrite serialization functions for KeyShare and SignShare Aug 3, 2023

// UnmarshalBinary recovers a value from a byte array.
// Returns an error if the recovered value is invalid.
// Any panic raised when calling to ReadValue is recovered and an error is returned instead.
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Why do we need this?

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this helper function generically implements UnmarshalBinary if there is an implementation of ReadValue (which internally uses the cryptobyte package).

ok := v.ReadValue(&r)
if !ok {
return fmt.Errorf("cannot read %T from input string", v)
}
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What if there are trailing bytes in data?

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@armfazh armfazh Jan 23, 2024

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it consumes only the data needed by the implementor, so this allows to do reading continuations in composed data structures. User can call Empty() to check for trailing data.

@bwesterb bwesterb self-requested a review January 3, 2024 12:26
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See comments in previous review.

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