package secp256k1

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type t

Opaque data structure that holds a parsed ECDSA recoverable signature.

val compare : t -> t -> int

val of_compact : Context.t -> buffer -> int -> t option

val of_compact_exn : Context.t -> buffer -> int -> t

Parse an ECDSA recoverable signature in compact (64 bytes) format. Buffer must be 64 bytes. The third argument is the recovery id.

val to_compact : Context.t -> t -> buffer * int

Serialize an ECDSA recoverable signature in compact (64 bytes) format. The returned int is the recovery id.

val convert : Context.t -> t -> Sign.t

Convert an ECDSA recoverable signature into an ECDSA signature

val sign : Context.t -> seckey:Secret.t -> msg:buffer -> t

Create an ECDSA recoverable signature. Buffer must contain a 32-byte message hash.

val recover : Context.t -> t -> msg:buffer -> Public.t

Recover an ECDSA public key from a signature. Buffer must contain a 32-byte message hash.