package secp256k1

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type t

Opaque type of a valid ECDSA secret key.

val length : int

Size of a secp256k1 secret key in bytes (32).

val compare : t -> t -> int

val read : Context.t -> ?pos:int -> buffer -> t option

val read_exn : Context.t -> ?pos:int -> buffer -> t

Verify an ECDSA secret key. At least 32 bytes must be read.

val write : buffer -> ?pos:int -> t -> unit

write buf ?pos key writes key at buf starting at pos.

val copy : t -> t

val to_bytes : t -> buffer

val negate : Context.t -> t -> t

val add_tweak : Context.t -> t -> ?pos:int -> buffer -> t

val mul_tweak : Context.t -> t -> ?pos:int -> buffer -> t