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-rw-r--r--lib/public_key/src/public_key.erl192
1 files changed, 129 insertions, 63 deletions
diff --git a/lib/public_key/src/public_key.erl b/lib/public_key/src/public_key.erl
index 4b8fda8d40..41ebaef76d 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,
+ sign/3, verify/4, generate_key/1, generate_key/2,
+ compute_key/2, compute_key/3,
pkix_sign/2, pkix_verify/2,
pkix_sign_types/1,
pkix_is_self_signed/1,
@@ -323,58 +324,70 @@ encrypt_private(PlainText,
Padding = proplists:get_value(rsa_pad, Options, rsa_pkcs1_padding),
crypto:rsa_private_encrypt(PlainText, format_rsa_private_key(Key), Padding).
-format_rsa_private_key(#'RSAPrivateKey'{modulus = N, publicExponent = E,
- privateExponent = D,
- prime1 = P1, prime2 = P2,
- exponent1 = E1, exponent2 = E2,
- coefficient = C})
- when is_integer(N), is_integer(E), is_integer(D),
- is_integer(P1), is_integer(P2),
- is_integer(E1), is_integer(E2), is_integer(C) ->
- [E, N, D, P1, P2, E1, E2, C];
-
-format_rsa_private_key(#'RSAPrivateKey'{modulus = N, publicExponent = E,
- privateExponent = D}) when is_integer(N),
- is_integer(E),
- is_integer(D) ->
- [E, N, D].
+%%--------------------------------------------------------------------
+-spec generate_key(#'ECPrivateKey'{} | {curve, Name ::atom()} | #'DHParameter'{}) -> {'ECKey', term()} | {binary(), binary()}.
+-spec generate_key(#'ECPoint'{}, #'OTPECParameters'{} | {namedCurve, oid()}) -> {'ECKey', term()}.
-%%
-%% Description: convert a ECPrivate key into resource Key
+%% Description: Generates new key(s)
%%--------------------------------------------------------------------
-list2int(L) ->
- S = length(L) * 8,
- <<R:S/integer>> = erlang:iolist_to_binary(L),
- R.
+generate_key(#'ECPrivateKey'{} = Key) ->
+ ec_private_key_to_eckey(Key);
-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,
- Key = {ECCurve, list2int(PrivKey), undefined},
- {'ECKey', crypto:term_to_ec_key(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);
-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,
- Key = {ECCurve, undefined, ECPoint},
- {'ECKey', crypto:term_to_ec_key(Key)}.
+generate_key(#'DHParameter'{prime = P, base = G}) ->
+ crypto:dh_generate_key([crypto:mpint(P), crypto:mpint(G)]);
+
+generate_key({dh, Prime, Base}) when is_binary(Prime), is_binary(Base) ->
+ %% TODO: Is mpint could be normal binary!
+ crypto:dh_generate_key([Prime, Base]);
+
+generate_key({srp, Version, Generator, Prime}) when is_binary(Generator), is_binary(Prime) ->
+ 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).
+
+generate_key(#'ECPoint'{} = Key, Params) ->
+ %% TODO: Better crypto API
+ ECKey = ec_public_key_to_eckey({Key,Params}),
+ ECClntKey = crypto:term_to_ec_key(ECKey),
+ crypto:ec_key_generate(ECClntKey),
+ crypto:ec_key_to_term(ECClntKey).
%%--------------------------------------------------------------------
+-spec compute_key(#'ECPoint'{}, {'ECKey', binary()}) -> binary().
+-spec compute_key(OthersKey ::binary(), MyKey::binary() | {binary(), binary()},
+ {dh, binary(), binary()} |
+ {srp, atom(), binary(), binary()} |
+ {srp, string(), string(), binary(), atom(), binary(), binary()})
+ -> binary().
+%% Description: Compute shared secret
+%%--------------------------------------------------------------------
+compute_key(#'ECPoint'{point = Point}, Term) ->
+ %% TODO: Better crypto API
+ ECKey = crypto:term_to_ec_key(Term),
+ crypto:ecdh_compute_key(ECKey, Point).
+
+compute_key(OthersKey, MyKey, {dh, Prime, Base}) when is_binary(OthersKey),
+ is_binary(MyKey),
+ is_binary(Prime),
+ is_binary(Base) ->
+ %% TODO: Is mpint could be binary!
+ crypto:dh_compute_key(OthersKey, MyKey, [Prime, Base]);
+
+compute_key(ClientPub, {ServerPub, ServerPriv}, {srp, Version, Verifier, Prime}) ->
+ crypto:srp_compute_key(Verifier, Prime, ClientPub, ServerPub, ServerPriv, Version);
+
+compute_key(ServerPub, {ClientPub, ClientPriv}, {srp, Username, Password, Salt, Version, Prime, Generator}) ->
+ DerivedKey = crypto:sha([Salt, crypto:sha([Username, <<$:>>, Password])]),
+ crypto:srp_compute_key(DerivedKey, Prime, Generator, ClientPub, ClientPriv, ServerPub, Version).
+%%--------------------------------------------------------------------
-spec pkix_sign_types(SignatureAlg::oid()) ->
%% Relevant dsa digest type is subpart of rsa digest type
{ DigestType :: rsa_digest_type(),
@@ -430,14 +443,15 @@ sign(PlainText, sha, #'DSAPrivateKey'{p = P, q = Q, g = G, x = X}) ->
sign(Digest, DigestType, Key = {?'id-ecPublicKey', _, _}) ->
sign(Digest, DigestType, ec_public_key_to_eckey(Key));
-sign(Digest, DigestType, Key = #'ECPrivateKey'{}) ->
- sign(Digest, DigestType, ec_private_key_to_eckey(Key));
-
-sign({digest,_}=Digest, DigestType, {'ECKey', Key}) ->
- crypto:sign(ecdsa, DigestType, Digest, 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, {'ECKey', Key}) ->
- crypto:sign(ecdsa, DigestType, PlainText, Key);
+sign(PlainText, DigestType, Key = #'ECPrivateKey'{}) ->
+ ECDHKey = ec_private_key_to_eckey(Key),
+ ECKey = crypto:term_to_ec_key(ECDHKey),
+ crypto:sign(ecdsa, DigestType, PlainText, ECKey);
%% Backwards compatible
sign(Digest, none, #'DSAPrivateKey'{} = Key) ->
@@ -462,17 +476,15 @@ verify({digest,_} = Digest, sha = DigestType, Signature, {Key, #'Dss-Parms'{p =
when is_integer(Key), is_binary(Signature) ->
crypto:verify(dss, DigestType, Digest, Signature, [P, Q, G, Key]);
-verify({digest,_} = Digest, DigestType, Signature, {'ECKey', Key}) ->
- crypto:verify(ecdsa, DigestType, Digest, Signature, Key);
-
-verify(PlainText, DigestType, Signature, Key = #'ECPrivateKey'{}) ->
- verify(PlainText, DigestType, Signature, ec_private_key_to_eckey(Key));
+verify(Digest, DigestType, Signature, Key = #'ECPrivateKey'{}) ->
+ ECDHKey = ec_private_key_to_eckey(Key),
+ ECKey = crypto:term_to_ec_key(ECDHKey),
+ crypto:verify(ecdsa, DigestType, Digest, Signature, ECKey);
-verify(PlainText, DigestType, Signature, Key = {#'ECPoint'{}, _}) ->
- verify(PlainText, DigestType, Signature, ec_public_key_to_eckey(Key));
-
-verify(PlainText, DigestType, Signature, {'ECKey', Key}) ->
- crypto:verify(ecdsa, DigestType, PlainText, Signature, Key);
+verify(Digest, DigestType, Signature, Key = {#'ECPoint'{}, _}) ->
+ ECDHKey = ec_public_key_to_eckey(Key),
+ ECKey = crypto:term_to_ec_key(ECDHKey),
+ crypto:verify(ecdsa, DigestType, Digest, Signature, ECKey);
%% Backwards compatibility
verify(Digest, none, Signature, {_, #'Dss-Parms'{}} = Key ) ->
@@ -910,3 +922,57 @@ combine(CRL, DeltaCRLs) ->
end,
lists:foldl(Fun, hd(Deltas), tl(Deltas))
end.
+
+format_rsa_private_key(#'RSAPrivateKey'{modulus = N, publicExponent = E,
+ privateExponent = D,
+ prime1 = P1, prime2 = P2,
+ exponent1 = E1, exponent2 = E2,
+ coefficient = C})
+ when is_integer(N), is_integer(E), is_integer(D),
+ is_integer(P1), is_integer(P2),
+ is_integer(E1), is_integer(E2), is_integer(C) ->
+ [E, N, D, P1, P2, E1, E2, C];
+
+format_rsa_private_key(#'RSAPrivateKey'{modulus = N, publicExponent = E,
+ privateExponent = D}) when is_integer(N),
+ is_integer(E),
+ is_integer(D) ->
+ [E, N, D].
+
+%%
+%% Description: convert a ECPrivate key into resource Key
+%%--------------------------------------------------------------------
+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)}.
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 03:28:53 +0000