aboutsummaryrefslogtreecommitdiffstats
path: root/lib/public_key
diff options
context:
space:
mode:
Diffstat (limited to 'lib/public_key')
-rw-r--r--lib/public_key/src/public_key.erl163
1 files changed, 75 insertions, 88 deletions
diff --git a/lib/public_key/src/public_key.erl b/lib/public_key/src/public_key.erl
index 41ebaef76d..06bffeea76 100644
--- a/lib/public_key/src/public_key.erl
+++ b/lib/public_key/src/public_key.erl
@@ -34,7 +34,8 @@
decrypt_private/2, decrypt_private/3,
encrypt_public/2, encrypt_public/3,
decrypt_public/2, decrypt_public/3,
- sign/3, verify/4, generate_key/1, generate_key/2,
+ sign/3, verify/4,
+ generate_key/1,
compute_key/2, compute_key/3,
pkix_sign/2, pkix_verify/2,
pkix_sign_types/1,
@@ -326,18 +327,14 @@ encrypt_private(PlainText,
%%--------------------------------------------------------------------
-spec generate_key(#'ECPrivateKey'{} | {curve, Name ::atom()} | #'DHParameter'{}) -> {'ECKey', term()} | {binary(), binary()}.
--spec generate_key(#'ECPoint'{}, #'OTPECParameters'{} | {namedCurve, oid()}) -> {'ECKey', term()}.
-
%% Description: Generates new key(s)
%%--------------------------------------------------------------------
-generate_key(#'ECPrivateKey'{} = Key) ->
- ec_private_key_to_eckey(Key);
-
generate_key({curve, Name}) ->
%% TODO: Better crypto API
ECDHKey = crypto:ec_key_new(Name),
crypto:ec_key_generate(ECDHKey),
- crypto:ec_key_to_term(ECDHKey);
+ Term = crypto:ec_key_to_term(ECDHKey),
+ ec_key(Term);
generate_key(#'DHParameter'{prime = P, base = G}) ->
crypto:dh_generate_key([crypto:mpint(P), crypto:mpint(G)]);
@@ -350,27 +347,33 @@ generate_key({srp, Version, Generator, Prime}) when is_binary(Generator), is_bin
crypto:srp_generate_key(Generator, Prime, Version);
generate_key({srp, Version, Verifier, Generator, Prime}) when is_binary(Verifier), is_binary(Generator), is_binary(Prime) ->
- crypto:srp_generate_key(Verifier, Generator, Prime, Version).
+ crypto:srp_generate_key(Verifier, Generator, Prime, Version);
-generate_key(#'ECPoint'{} = Key, Params) ->
+generate_key(Params) ->
%% TODO: Better crypto API
- ECKey = ec_public_key_to_eckey({Key,Params}),
- ECClntKey = crypto:term_to_ec_key(ECKey),
+ Name = ec_curve_spec(Params),
+ ECClntKey = crypto:ec_key_new(Name),
+ %% ECDHKey = format_ecdh_key(Params),
+ %% ECClntKey = crypto:term_to_ec_key(ECDHKey),
crypto:ec_key_generate(ECClntKey),
- crypto:ec_key_to_term(ECClntKey).
+ Term = crypto:ec_key_to_term(ECClntKey),
+ ec_key(Term, Params).
%%--------------------------------------------------------------------
--spec compute_key(#'ECPoint'{}, {'ECKey', binary()}) -> binary().
+-spec compute_key(#'ECPoint'{}, #'ECPrivateKey'{} | crypto:ecdh_key()) -> binary().
-spec compute_key(OthersKey ::binary(), MyKey::binary() | {binary(), binary()},
{dh, binary(), binary()} |
- {srp, atom(), binary(), binary()} |
- {srp, string(), string(), binary(), atom(), binary(), binary()})
+ {srp,'3'|'6'| '6a' , binary(), binary()} |
+ {srp, string(), string(), binary(), '3'|'6'| '6a', binary(), binary()})
-> binary().
%% Description: Compute shared secret
%%--------------------------------------------------------------------
-compute_key(#'ECPoint'{point = Point}, Term) ->
+compute_key(PubKey, #'ECPrivateKey'{} = PrivateKey) ->
+ compute_key(PubKey, format_ecdh_key(PrivateKey));
+
+compute_key(#'ECPoint'{point = Point}, ECDHKeys) ->
%% TODO: Better crypto API
- ECKey = crypto:term_to_ec_key(Term),
+ ECKey = crypto:term_to_ec_key(ECDHKeys),
crypto:ecdh_compute_key(ECKey, Point).
compute_key(OthersKey, MyKey, {dh, Prime, Base}) when is_binary(OthersKey),
@@ -428,30 +431,16 @@ pkix_sign_types(?'ecdsa-with-SHA512') ->
dsa_private_key()) -> Signature :: binary().
%% Description: Create digital signature.
%%--------------------------------------------------------------------
-sign({digest,_}=Digest, DigestType, Key = #'RSAPrivateKey'{}) ->
- crypto:sign(rsa, DigestType, Digest, format_rsa_private_key(Key));
-
-sign(PlainText, DigestType, Key = #'RSAPrivateKey'{}) ->
- crypto:sign(rsa, DigestType, PlainText, format_rsa_private_key(Key));
-
-sign({digest,_}=Digest, sha, #'DSAPrivateKey'{p = P, q = Q, g = G, x = X}) ->
- crypto:sign(dss, sha, Digest, [P, Q, G, X]);
+sign(DigestOrPlainText, DigestType, Key = #'RSAPrivateKey'{}) ->
+ crypto:sign(rsa, DigestType, DigestOrPlainText, format_rsa_private_key(Key));
-sign(PlainText, sha, #'DSAPrivateKey'{p = P, q = Q, g = G, x = X}) ->
- crypto:sign(dss, sha, PlainText, [P, Q, G, X]);
+sign(DigestOrPlainText, sha, #'DSAPrivateKey'{p = P, q = Q, g = G, x = X}) ->
+ crypto:sign(dss, sha, DigestOrPlainText, [P, Q, G, X]);
-sign(Digest, DigestType, Key = {?'id-ecPublicKey', _, _}) ->
- sign(Digest, DigestType, ec_public_key_to_eckey(Key));
-
-sign({digest,_} = Digest, DigestType, Key = #'ECPrivateKey'{}) ->
- ECDHKey = ec_private_key_to_eckey(Key),
- ECKey = crypto:term_to_ec_key(ECDHKey),
- crypto:sign(ecdsa, DigestType, Digest, ECKey);
-
-sign(PlainText, DigestType, Key = #'ECPrivateKey'{}) ->
- ECDHKey = ec_private_key_to_eckey(Key),
+sign(DigestOrPlainText, DigestType, Key = #'ECPrivateKey'{}) ->
+ ECDHKey = format_ecdh_key(Key),
ECKey = crypto:term_to_ec_key(ECDHKey),
- crypto:sign(ecdsa, DigestType, PlainText, ECKey);
+ crypto:sign(ecdsa, DigestType, DigestOrPlainText, ECKey);
%% Backwards compatible
sign(Digest, none, #'DSAPrivateKey'{} = Key) ->
@@ -463,36 +452,28 @@ sign(Digest, none, #'DSAPrivateKey'{} = Key) ->
| dsa_public_key()) -> boolean().
%% Description: Verifies a digital signature.
%%--------------------------------------------------------------------
-verify({digest,_} = Digest, DigestType, Signature,
- #'RSAPublicKey'{modulus = Mod, publicExponent = Exp}) ->
- crypto:verify(rsa, DigestType, Digest, Signature, [Exp, Mod]);
-
-verify(PlainText, DigestType, Signature,
+verify(DigestOrPlainText, DigestType, Signature,
#'RSAPublicKey'{modulus = Mod, publicExponent = Exp}) ->
- crypto:verify(rsa, DigestType, PlainText, Signature,
+ crypto:verify(rsa, DigestType, DigestOrPlainText, Signature,
[Exp, Mod]);
-verify({digest,_} = Digest, sha = DigestType, Signature, {Key, #'Dss-Parms'{p = P, q = Q, g = G}})
- when is_integer(Key), is_binary(Signature) ->
- crypto:verify(dss, DigestType, Digest, Signature, [P, Q, G, Key]);
-
verify(Digest, DigestType, Signature, Key = #'ECPrivateKey'{}) ->
- ECDHKey = ec_private_key_to_eckey(Key),
+ ECDHKey = format_ecdh_key(Key),
ECKey = crypto:term_to_ec_key(ECDHKey),
crypto:verify(ecdsa, DigestType, Digest, Signature, ECKey);
-verify(Digest, DigestType, Signature, Key = {#'ECPoint'{}, _}) ->
- ECDHKey = ec_public_key_to_eckey(Key),
+verify(DigestOrPlaintext, DigestType, Signature, Key = {#'ECPoint'{}, _}) ->
+ ECDHKey = format_ecdh_key(Key),
ECKey = crypto:term_to_ec_key(ECDHKey),
- crypto:verify(ecdsa, DigestType, Digest, Signature, ECKey);
+ crypto:verify(ecdsa, DigestType, DigestOrPlaintext, Signature, ECKey);
%% Backwards compatibility
verify(Digest, none, Signature, {_, #'Dss-Parms'{}} = Key ) ->
verify({digest,Digest}, sha, Signature, Key);
-verify(PlainText, sha = DigestType, Signature, {Key, #'Dss-Parms'{p = P, q = Q, g = G}})
- when is_integer(Key), is_binary(PlainText), is_binary(Signature) ->
- crypto:verify(dss, DigestType, PlainText, Signature, [P, Q, G, Key]).
+verify(DigestOrPlainText, sha = DigestType, Signature, {Key, #'Dss-Parms'{p = P, q = Q, g = G}})
+ when is_integer(Key), is_binary(Signature) ->
+ crypto:verify(dss, DigestType, DigestOrPlainText, Signature, [P, Q, G, Key]).
%%--------------------------------------------------------------------
-spec pkix_sign(#'OTPTBSCertificate'{},
@@ -939,40 +920,46 @@ format_rsa_private_key(#'RSAPrivateKey'{modulus = N, publicExponent = E,
is_integer(D) ->
[E, N, D].
-%%
-%% Description: convert a ECPrivate key into resource Key
-%%--------------------------------------------------------------------
+format_ecdh_key(#'ECPrivateKey'{privateKey = PrivKey,
+ parameters = Param,
+ publicKey = _}) ->
+ ECCurve = ec_curve_spec(Param),
+ {ECCurve, list2int(PrivKey), undefined};
+
+format_ecdh_key({#'ECPoint'{point = Point}, Param}) ->
+ ECCurve = ec_curve_spec(Param),
+ {ECCurve, undefined, Point}.
+
+ec_curve_spec( #'OTPECParameters'{fieldID = FieldId, curve = PCurve, base = Base, order = Order, cofactor = CoFactor }) ->
+ Field = {pubkey_cert_records:supportedCurvesTypes(FieldId#'OTPFieldID'.fieldType),
+ FieldId#'OTPFieldID'.parameters},
+ Curve = {list2int(PCurve#'Curve'.a), list2int(PCurve#'Curve'.b), none},
+ {Field, Curve, erlang:list_to_binary(Base), Order, CoFactor};
+ec_curve_spec({namedCurve, OID}) ->
+ pubkey_cert_records:namedCurves(OID).
+
+ec_key({Curve, PrivateKey, PubKey}) when is_atom(Curve) ->
+ #'ECPrivateKey'{version = 1,
+ privateKey = int2list(PrivateKey),
+ parameters = {namedCurve, pubkey_cert_records:namedCurves(Curve)},
+ publicKey = {0, PubKey}}.
+
+ec_key({Curve, PrivateKey, PubKey}, _Params) when is_atom(Curve) ->
+ #'ECPrivateKey'{version = 1,
+ privateKey = int2list(PrivateKey),
+ parameters = {namedCurve, pubkey_cert_records:namedCurves(Curve)},
+ publicKey = {0, PubKey}};
+
+ec_key({_Curve, PrivateKey, PubKey}, Params) ->
+ #'ECPrivateKey'{version = 1,
+ privateKey = int2list(PrivateKey),
+ parameters = Params,
+ publicKey = {0, PubKey}}.
+
list2int(L) ->
S = length(L) * 8,
<<R:S/integer>> = erlang:iolist_to_binary(L),
R.
-
-ec_private_key_to_eckey(#'ECPrivateKey'{privateKey = PrivKey,
- parameters = Param,
- publicKey = _PubKey}) ->
- ECCurve =
- case Param of
- #'OTPECParameters'{ fieldID = FieldId, curve = PCurve, base = Base, order = Order, cofactor = CoFactor } ->
- Field = {pubkey_cert_records:supportedCurvesTypes(FieldId#'OTPFieldID'.fieldType),
- FieldId#'OTPFieldID'.parameters},
- Curve = {list2int(PCurve#'Curve'.a), list2int(PCurve#'Curve'.b), none},
- {Field, Curve, erlang:list_to_binary(Base), Order, CoFactor};
- {namedCurve, OID} ->
- pubkey_cert_records:namedCurves(OID)
- end,
- {ECCurve, list2int(PrivKey), undefined}.
- %%{'ECKey', crypto:term_to_ec_key(Key)}.
-
-ec_public_key_to_eckey({#'ECPoint'{point = ECPoint}, Param}) ->
- ECCurve =
- case Param of
- #'OTPECParameters'{ fieldID = FieldId, curve = PCurve, base = Base, order = Order, cofactor = CoFactor } ->
- Field = {pubkey_cert_records:supportedCurvesTypes(FieldId#'OTPFieldID'.fieldType),
- FieldId#'OTPFieldID'.parameters},
- Curve = {list2int(PCurve#'Curve'.a), list2int(PCurve#'Curve'.b), none},
- {Field, Curve, erlang:list_to_binary(Base), Order, CoFactor};
- {namedCurve, OID} ->
- pubkey_cert_records:namedCurves(OID)
- end,
- {ECCurve, undefined, ECPoint}.
- %%{'ECKey', crypto:term_to_ec_key(Key)}.
+int2list(I) ->
+ L = (length(integer_to_list(I, 16)) + 1) div 2,
+ binary_to_list(<<I:(L*8)>>).
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-03 16:24:55 +0000