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-rw-r--r--lib/crypto/src/crypto.erl19
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl
index 3e18756cf9..9ba1623348 100644
--- a/lib/crypto/src/crypto.erl
+++ b/lib/crypto/src/crypto.erl
@@ -43,6 +43,7 @@
-export([public_encrypt/4, private_decrypt/4]).
-export([private_encrypt/4, public_decrypt/4]).
-export([dh_generate_parameters/2, dh_check/1]). %% Testing see
+-export([privkey_to_pubkey/2]).
-export([ec_curve/1, ec_curves/0]).
-export([rand_seed/1]).
%% Engine
@@ -1097,6 +1098,16 @@ ec_curves() ->
ec_curve(X) ->
crypto_ec_curves:curve(X).
+
+privkey_to_pubkey(Alg, EngineMap) when Alg == rsa; Alg == dss; Alg == ecdsa ->
+ case privkey_to_pubkey_nif(Alg, format_pkey(Alg,EngineMap)) of
+ [_|_]=L -> map_ensure_bin_as_int(L);
+ X -> X
+ end.
+
+privkey_to_pubkey_nif(_Alg, _EngineMap) -> ?nif_stub.
+
+
%%
%% EC
%%
@@ -1164,6 +1175,14 @@ ensure_int_as_bin(Int) when is_integer(Int) ->
ensure_int_as_bin(Bin) ->
Bin.
+map_ensure_bin_as_int(List) when is_list(List) ->
+ lists:map(fun ensure_bin_as_int/1, List).
+
+ensure_bin_as_int(Bin) when is_binary(Bin) ->
+ bin_to_int(Bin);
+ensure_bin_as_int(E) ->
+ E.
+
format_pkey(_Alg, #{engine:=_, key_id:=T}=M) when is_binary(T) -> format_pwd(M);
format_pkey(_Alg, #{engine:=_, key_id:=T}=M) when is_list(T) -> format_pwd(M#{key_id:=list_to_binary(T)});
format_pkey(_Alg, #{engine:=_ }=M) -> error({bad_key_id, M});