QPQ-AG/enacl
10
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Introduce a scalarmult variant which is safe from arguments swaps.

Browse Source
This commit is contained in:
Jesper Louis Andersen 2015-08-29 21:32:48 +02:00
parent 8c567be6a6
commit 66cf275152
1 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/enacl.erl
View File

@ -67,7 +67,7 @@
%% Curve 25519. %% Curve 25519.
-export([ -export([
curve25519_scalarmult/2 curve25519_scalarmult/1, curve25519_scalarmult/2
]). ]).
%% Ed 25519. %% Ed 25519.
@ -689,6 +689,13 @@ onetime_auth_key_size() -> enacl_nif:crypto_onetimeauth_KEYBYTES().
curve25519_scalarmult(Secret, BasePoint) -> curve25519_scalarmult(Secret, BasePoint) ->
enacl_nif:crypto_curve25519_scalarmult(Secret, BasePoint). enacl_nif:crypto_curve25519_scalarmult(Secret, BasePoint).
%% @doc curve25519_scalarmult/1 avoids messing up arguments.
%% Takes as input a map `#{ secret := Secret, base_point := BasePoint }' in order to avoid
%% messing up the calling order.
%% @end
curve25519_scalarmult(#{ secret := Secret, base_point := BasePoint }) ->
curve25519_scalarmult(Secret, BasePoint).
%% Ed 25519 Crypto %% Ed 25519 Crypto
%% --------------- %% ---------------
%% @doc crypto_sign_ed25519_keypair/0 creates a new Ed 25519 Public/Secret keypair. %% @doc crypto_sign_ed25519_keypair/0 creates a new Ed 25519 Public/Secret keypair.