package octez-libs

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package octez-libs
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Proof of possession scheme described in section 3.3

A proof of possession scheme uses a separate public key validation step, called a proof of possession, to defend against rogue key attacks. This enables an optimization to aggregate signature verification for the case that all signatures are on the same message.

type proof = Stdlib.Bytes.t
val sign : sk -> Stdlib.Bytes.t -> signature

Equivalent to core_sign with the DST given in the specification in section 4.2.3.

val verify : pk -> Stdlib.Bytes.t -> signature -> bool

Equivalent to core_verify with the DST given in the specification in section 4.2.3.

val pop_prove : sk -> proof

pop_proof sk implements section 3.3.2.

val pop_verify : pk -> proof -> bool

pop_verify pk signature implements section 3.3.3.

val aggregate_verify : (pk * proof) list -> Stdlib.Bytes.t -> signature -> bool

aggregate_verify pks msg aggregated_signature performs a aggregate signature verification. It supposes the same message msg has been signed. It implements the FastAggregateVerify algorithm specified in section 3.3.4.

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