Packages

ged25519

1.0.2
1.0.2 1.0.1 1.0.0

Ed25519 signature functions - Gleam bindings for the Elixir `ed25519` package.

HexDocs

Current section

Files

Jump to
Readme
3 Versions
2 Dependencies
Dependants
Files
Activity
ged25519 src ged25519.erl
Raw

src/ged25519.erl 

-module(ged25519).

-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-define(FILEPATH, "src/ged25519.gleam").

-export([derive_public_key/1, generate_key_pair/0, derive_key_pair/1, on_curve/1, signature/3, valid_signature/3]).



-if(?OTP_RELEASE >= 27).

-define(MODULEDOC(Str), -moduledoc(Str)).

-define(DOC(Str), -doc(Str)).

-else.

-define(MODULEDOC(Str), -compile([])).

-define(DOC(Str), -compile([])).

-endif.



-file("src/ged25519.gleam", 11).

?DOC(" Derive the public signing key from the secret key\n").

-spec derive_public_key(bitstring()) -> bitstring().

derive_public_key(Sk) ->

    'Elixir.Ed25519':derive_public_key(Sk).



-file("src/ged25519.gleam", 17).

?DOC(

    " Generate a secret/public key pair\n"

    "\n"

    " Returned tuple contains `#(random_secret_key, derived_public_key)`\n"

).

-spec generate_key_pair() -> {bitstring(), bitstring()}.

generate_key_pair() ->

    'Elixir.Ed25519':generate_key_pair().



-file("src/ged25519.gleam", 23).

?DOC(

    " Derive a secret/public key pair from supplied secret key\n"

    "\n"

    " Returned tuple contains `#(secret_key, derived_public_key)`\n"

).

-spec derive_key_pair(bitstring()) -> {bitstring(), bitstring()}.

derive_key_pair(Secret) ->

    'Elixir.Ed25519.Ed25519':generate_key_pair(Secret).



-file("src/ged25519.gleam", 27).

?DOC(" Returns whether a given public key lies on the ed25519 curve.\n").

-spec on_curve(bitstring()) -> boolean().

on_curve(Key) ->

    'Elixir.Ed25519':'on_curve?'(Key).



-file("src/ged25519.gleam", 31).

?DOC(" Sign a message\n").

-spec signature(bitstring(), bitstring(), bitstring()) -> bitstring().

signature(M, Sk, Pk) ->

    'Elixir.Ed25519':signature(M, Sk, Pk).



-file("src/ged25519.gleam", 51).

?DOC(" Validate a signed message\n").

-spec valid_signature(bitstring(), bitstring(), bitstring()) -> boolean().

valid_signature(Sig, M, Pk) ->

    'Elixir.Ed25519':'valid_signature?'(Sig, M, Pk).