248 lines
7.9 KiB
OCaml
248 lines
7.9 KiB
OCaml
(**************************************************************************)
|
|
(* *)
|
|
(* Copyright (c) 2014 - 2017. *)
|
|
(* Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
|
|
(* *)
|
|
(* All rights reserved. No warranty, explicit or implicit, provided. *)
|
|
(* *)
|
|
(**************************************************************************)
|
|
|
|
module Public_key_hash = Blake2B.Make(Base58)(struct
|
|
let name = "Ed25519.Public_key_hash"
|
|
let title = "An Ed25519 public key ID"
|
|
let b58check_prefix = Base58.Prefix.ed25519_public_key_hash
|
|
let size = Some 20
|
|
end)
|
|
|
|
let () =
|
|
Base58.check_encoded_prefix Public_key_hash.b58check_encoding "tz1" 36
|
|
|
|
module Public_key = struct
|
|
|
|
type t = Sodium.Sign.public_key
|
|
let compare = Sodium.Sign.compare_public_keys
|
|
let (=) xs ys = compare xs ys = 0
|
|
let (<>) xs ys = compare xs ys <> 0
|
|
let (<) xs ys = compare xs ys < 0
|
|
let (<=) xs ys = compare xs ys <= 0
|
|
let (>=) xs ys = compare xs ys >= 0
|
|
let (>) xs ys = compare xs ys > 0
|
|
let max x y = if x >= y then x else y
|
|
let min x y = if x <= y then x else y
|
|
|
|
type Base58.data +=
|
|
| Public_key of t
|
|
|
|
let b58check_encoding =
|
|
Base58.register_encoding
|
|
~prefix: Base58.Prefix.ed25519_public_key
|
|
~length:Sodium.Sign.public_key_size
|
|
~to_raw:(fun x -> Bytes.to_string (Sodium.Sign.Bytes.of_public_key x))
|
|
~of_raw:(fun x ->
|
|
try Some (Sodium.Sign.Bytes.to_public_key (Bytes.of_string x))
|
|
with _ -> None)
|
|
~wrap:(fun x -> Public_key x)
|
|
|
|
let of_b58check_opt s = Base58.simple_decode b58check_encoding s
|
|
let of_b58check_exn s =
|
|
match Base58.simple_decode b58check_encoding s with
|
|
| Some x -> x
|
|
| None -> Pervasives.failwith "Unexpected hash (ed25519 public key)"
|
|
let of_b58check s =
|
|
match Base58.simple_decode b58check_encoding s with
|
|
| Some x -> Ok x
|
|
| None -> generic_error "Unexpected hash (ed25519 public key)"
|
|
let to_b58check s = Base58.simple_encode b58check_encoding s
|
|
|
|
let of_bytes s = Sodium.Sign.Bytes.to_public_key s
|
|
|
|
let param ?(name="ed25519-public") ?(desc="Ed25519 public key (b58check-encoded)") t =
|
|
Cli_entries.(param ~name ~desc (parameter (fun _ str -> Lwt.return (of_b58check str))) t)
|
|
|
|
let () =
|
|
Base58.check_encoded_prefix b58check_encoding "edpk" 54
|
|
|
|
let encoding =
|
|
let open Data_encoding in
|
|
splitted
|
|
~json:
|
|
(describe
|
|
~title: "An Ed25519 public key (Base58Check encoded)" @@
|
|
conv
|
|
(fun s -> Base58.simple_encode b58check_encoding s)
|
|
(fun s ->
|
|
match Base58.simple_decode b58check_encoding s with
|
|
| Some x -> x
|
|
| None -> Data_encoding.Json.cannot_destruct
|
|
"Ed25519 public key: unexpected prefix.")
|
|
string)
|
|
~binary:
|
|
(conv
|
|
Sodium.Sign.Bigbytes.of_public_key
|
|
Sodium.Sign.Bigbytes.to_public_key
|
|
(Fixed.bytes Sodium.Sign.public_key_size))
|
|
|
|
let hash v =
|
|
Public_key_hash.hash_bytes
|
|
[ Sodium.Sign.Bigbytes.of_public_key v ]
|
|
|
|
end
|
|
|
|
module Secret_key = struct
|
|
|
|
type t = Sodium.Sign.secret_key
|
|
|
|
let to_public_key = Sodium.Sign.secret_key_to_public_key
|
|
|
|
type Base58.data +=
|
|
| Secret_key of t
|
|
|
|
let b58check_encoding =
|
|
Base58.register_encoding
|
|
~prefix: Base58.Prefix.ed25519_secret_key
|
|
~length:Sodium.Sign.secret_key_size
|
|
~to_raw:(fun x -> Bytes.to_string (Sodium.Sign.Bytes.of_secret_key x))
|
|
~of_raw:(fun x ->
|
|
try Some (Sodium.Sign.Bytes.to_secret_key (Bytes.of_string x))
|
|
with _ -> None)
|
|
~wrap:(fun x -> Secret_key x)
|
|
|
|
let of_b58check_opt s = Base58.simple_decode b58check_encoding s
|
|
let of_b58check_exn s =
|
|
match Base58.simple_decode b58check_encoding s with
|
|
| Some x -> x
|
|
| None -> Pervasives.failwith "Unexpected hash (ed25519 secret key)"
|
|
let of_b58check s =
|
|
match Base58.simple_decode b58check_encoding s with
|
|
| Some x -> Ok x
|
|
| None -> generic_error "Unexpected hash (ed25519 secret key)"
|
|
let to_b58check s = Base58.simple_encode b58check_encoding s
|
|
|
|
let of_bytes s = Sodium.Sign.Bytes.to_secret_key s
|
|
|
|
let param ?(name="ed25519-secret") ?(desc="Ed25519 secret key (b58check-encoded)") t =
|
|
Cli_entries.(param ~name ~desc (parameter (fun _ str -> Lwt.return (of_b58check str))) t)
|
|
|
|
let () =
|
|
Base58.check_encoded_prefix b58check_encoding "edsk" 98
|
|
|
|
let encoding =
|
|
let open Data_encoding in
|
|
splitted
|
|
~json:
|
|
(describe
|
|
~title: "An Ed25519 secret key (Base58Check encoded)" @@
|
|
conv
|
|
(fun s -> Base58.simple_encode b58check_encoding s)
|
|
(fun s ->
|
|
match Base58.simple_decode b58check_encoding s with
|
|
| Some x -> x
|
|
| None -> Data_encoding.Json.cannot_destruct
|
|
"Ed25519 secret key: unexpected prefix.")
|
|
string)
|
|
~binary:
|
|
(conv
|
|
Sodium.Sign.Bigbytes.of_secret_key
|
|
Sodium.Sign.Bigbytes.to_secret_key
|
|
(Fixed.bytes Sodium.Sign.secret_key_size))
|
|
|
|
end
|
|
|
|
let sign key msg =
|
|
Sodium.Sign.Bigbytes.(of_signature @@ sign_detached key msg)
|
|
|
|
module Signature = struct
|
|
|
|
type t = MBytes.t
|
|
|
|
type Base58.data +=
|
|
| Signature of t
|
|
|
|
let b58check_encoding =
|
|
Base58.register_encoding
|
|
~prefix: Base58.Prefix.ed25519_signature
|
|
~length:Sodium.Sign.signature_size
|
|
~to_raw:MBytes.to_string
|
|
~of_raw:(fun s -> Some (MBytes.of_string s))
|
|
~wrap:(fun x -> Signature x)
|
|
|
|
let of_b58check_opt s = Base58.simple_decode b58check_encoding s
|
|
let of_b58check_exn s =
|
|
match Base58.simple_decode b58check_encoding s with
|
|
| Some x -> x
|
|
| None -> Pervasives.failwith "Unexpected hash (ed25519 signature)"
|
|
let of_b58check s =
|
|
match Base58.simple_decode b58check_encoding s with
|
|
| Some x -> Ok x
|
|
| None -> generic_error "Unexpected hash (ed25519 signature)"
|
|
let to_b58check s = Base58.simple_encode b58check_encoding s
|
|
|
|
let of_bytes s = MBytes.of_string (Bytes.to_string s)
|
|
|
|
let param ?(name="signature") ?(desc="Signature (b58check-encoded)") t =
|
|
Cli_entries.(param ~name ~desc (parameter (fun _ str -> Lwt.return (of_b58check str))) t)
|
|
|
|
let () =
|
|
Base58.check_encoded_prefix b58check_encoding "edsig" 99
|
|
|
|
let encoding =
|
|
let open Data_encoding in
|
|
splitted
|
|
~json:
|
|
(describe
|
|
~title: "An Ed25519 signature (Base58Check encoded)" @@
|
|
conv
|
|
(fun s -> Base58.simple_encode b58check_encoding s)
|
|
(fun s ->
|
|
match Base58.simple_decode b58check_encoding s with
|
|
| Some x -> x
|
|
| None -> Data_encoding.Json.cannot_destruct
|
|
"Ed25519 signature: unexpected prefix.")
|
|
string)
|
|
~binary: (Fixed.bytes Sodium.Sign.signature_size)
|
|
|
|
let check public_key signature msg =
|
|
try
|
|
Sodium.Sign.Bigbytes.(verify public_key (to_signature signature) msg) ;
|
|
true
|
|
with _ -> false
|
|
|
|
let append key msg =
|
|
MBytes.concat msg (sign key msg)
|
|
|
|
let concat msg signature =
|
|
MBytes.concat msg signature
|
|
|
|
end
|
|
|
|
module Seed = struct
|
|
|
|
type t = Sodium.Sign.seed
|
|
|
|
let to_hex s =
|
|
Sodium.Sign.Bytes.of_seed s
|
|
|> Bytes.to_string
|
|
|> Hex_encode.hex_encode
|
|
|
|
let of_hex s =
|
|
Hex_encode.hex_decode s
|
|
|> Bytes.of_string
|
|
|> Sodium.Sign.Bytes.to_seed
|
|
|
|
let generate () =
|
|
(* Seed is 32 bytes long *)
|
|
Sodium.Random.Bytes.generate Sodium.Sign.seed_size
|
|
|> Sodium.Sign.Bytes.to_seed
|
|
|
|
let extract =
|
|
Sodium.Sign.secret_key_to_seed
|
|
end
|
|
|
|
let generate_key () =
|
|
let secret, pub = Sodium.Sign.random_keypair () in
|
|
(Public_key.hash pub, pub, secret)
|
|
|
|
let generate_seeded_key seed =
|
|
let secret, pub = Sodium.Sign.seed_keypair seed in
|
|
(Public_key.hash pub, pub, secret)
|