diff options
| -rw-r--r-- | lib/ssh/src/ssh_transport.erl | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl index d8f7a96c15..892db6b64f 100644 --- a/lib/ssh/src/ssh_transport.erl +++ b/lib/ssh/src/ssh_transport.erl @@ -811,7 +811,15 @@ extract_public_key(#'DSAPrivateKey'{y = Y, p = P, q = Q, g = G}) -> {Y, #'Dss-Parms'{p=P, q=Q, g=G}}; extract_public_key(#'ECPrivateKey'{parameters = {namedCurve,OID}, publicKey = Q}) -> - {#'ECPoint'{point=Q}, {namedCurve,OID}}. + {#'ECPoint'{point=Q}, {namedCurve,OID}}; +extract_public_key(#{engine:=_, key_id:=_, algorithm:=Alg} = M) -> + case {Alg, crypto:privkey_to_pubkey(Alg, M)} of + {rsa, [E,N]} -> + #'RSAPublicKey'{modulus = N, publicExponent = E}; + {dss, [P,Q,G,Y]} -> + {Y, #'Dss-Parms'{p=P, q=Q, g=G}} + end. + verify_host_key(#ssh{algorithms=Alg}=SSH, PublicKey, Digest, {AlgStr,Signature}) -> @@ -1261,10 +1269,12 @@ payload(<<PacketLen:32, PaddingLen:8, PayloadAndPadding/binary>>) -> <<Payload:PayloadLen/binary, _/binary>> = PayloadAndPadding, Payload. +sign(SigData, HashAlg, #{algorithm:=dss} = Key) -> + mk_dss_sig(crypto:sign(dss, HashAlg, SigData, Key)); +sign(SigData, HashAlg, #{algorithm:=SigAlg} = Key) -> + crypto:sign(SigAlg, HashAlg, SigData, Key); sign(SigData, HashAlg, #'DSAPrivateKey'{} = Key) -> - DerSignature = public_key:sign(SigData, HashAlg, Key), - #'Dss-Sig-Value'{r = R, s = S} = public_key:der_decode('Dss-Sig-Value', DerSignature), - <<R:160/big-unsigned-integer, S:160/big-unsigned-integer>>; + mk_dss_sig(public_key:sign(SigData, HashAlg, Key)); sign(SigData, HashAlg, Key = #'ECPrivateKey'{}) -> DerEncodedSign = public_key:sign(SigData, HashAlg, Key), #'ECDSA-Sig-Value'{r=R, s=S} = public_key:der_decode('ECDSA-Sig-Value', DerEncodedSign), @@ -1272,6 +1282,12 @@ sign(SigData, HashAlg, Key = #'ECPrivateKey'{}) -> sign(SigData, HashAlg, Key) -> public_key:sign(SigData, HashAlg, Key). + +mk_dss_sig(DerSignature) -> + #'Dss-Sig-Value'{r = R, s = S} = public_key:der_decode('Dss-Sig-Value', DerSignature), + <<R:160/big-unsigned-integer, S:160/big-unsigned-integer>>. + + verify(PlainText, HashAlg, Sig, {_, #'Dss-Parms'{}} = Key) -> case Sig of <<R:160/big-unsigned-integer, S:160/big-unsigned-integer>> -> @@ -1823,6 +1839,8 @@ kex_alg_dependent({Min, NBits, Max, Prime, Gen, E, F, K}) -> %%%---------------------------------------------------------------- +valid_key_sha_alg(#{engine:=_, key_id:=_}, _Alg) -> true; % Engine key + valid_key_sha_alg(#'RSAPublicKey'{}, 'rsa-sha2-512') -> true; valid_key_sha_alg(#'RSAPublicKey'{}, 'rsa-sha2-384') -> true; valid_key_sha_alg(#'RSAPublicKey'{}, 'rsa-sha2-256') -> true; |