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authorHans Nilsson <hans@erlang.org>2017-05-18 20:33:14 +0200
committerHans Nilsson <hans@erlang.org>2017-05-22 12:44:03 +0200
commit3507ea008839ad68dc16060a2696e3efde551684 (patch)
tree776a15f64d17357d6c411eb75a39072433b315e7 /lib/public_key/src
parentc99b6f0aa70457453b37533adf6d3872f7009fac (diff)
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ssh: fix the rsa-sha2-* hostkey verify error
Diffstat (limited to 'lib/public_key/src')
-rw-r--r--lib/public_key/src/pubkey_ssh.erl18
1 files changed, 8 insertions, 10 deletions
diff --git a/lib/public_key/src/pubkey_ssh.erl b/lib/public_key/src/pubkey_ssh.erl
index 6974afa992..9bda76d670 100644
--- a/lib/public_key/src/pubkey_ssh.erl
+++ b/lib/public_key/src/pubkey_ssh.erl
@@ -408,10 +408,11 @@ comma_list_encode([Option | Rest], Acc) ->
comma_list_encode(Rest, Acc ++ "," ++ Option).
-%% An experimental fix adding the signature algorithm name as the last element in a tuple...
-
ssh2_pubkey_encode(#'RSAPublicKey'{modulus = N, publicExponent = E}) ->
ssh2_pubkey_encode({#'RSAPublicKey'{modulus = N, publicExponent = E}, 'ssh-rsa'});
+
+ssh2_pubkey_encode({Key, 'rsa-sha2-256'}) -> ssh2_pubkey_encode({Key, 'ssh-rsa'});
+ssh2_pubkey_encode({Key, 'rsa-sha2-512'}) -> ssh2_pubkey_encode({Key, 'ssh-rsa'});
ssh2_pubkey_encode({#'RSAPublicKey'{modulus = N, publicExponent = E}, SignAlg}) ->
SignAlgName = list_to_binary(atom_to_list(SignAlg)),
StrLen = size(SignAlgName),
@@ -448,16 +449,12 @@ ssh2_pubkey_encode(Key={#'ECPoint'{point = Q}, {namedCurve,OID}}) ->
ssh2_pubkey_decode(Bin = <<?UINT32(Len), Type:Len/binary, _/binary>>) ->
ssh2_pubkey_decode(Type, Bin).
-%% An experimental fix with the Signature Algorithm Name
-ssh2_pubkey_decode(SignAlgName,
+ssh2_pubkey_decode(<<"rsa-sha2-256">>, Bin) -> ssh2_pubkey_decode(<<"ssh-rsa">>, Bin);
+ssh2_pubkey_decode(<<"rsa-sha2-512">>, Bin) -> ssh2_pubkey_decode(<<"ssh-rsa">>, Bin);
+ssh2_pubkey_decode(<<"ssh-rsa">>,
<<?UINT32(Len), _:Len/binary,
?UINT32(SizeE), E:SizeE/binary,
- ?UINT32(SizeN), N:SizeN/binary>>)
- when SignAlgName == <<"ssh-rsa">> ;
- SignAlgName == <<"rsa-sha2-256">> ;
- SignAlgName == <<"rsa-sha2-384">> ;
- SignAlgName == <<"rsa-sha2-512">>
- ->
+ ?UINT32(SizeN), N:SizeN/binary>>) ->
#'RSAPublicKey'{modulus = erlint(SizeN, N),
publicExponent = erlint(SizeE, E)};
@@ -471,6 +468,7 @@ ssh2_pubkey_decode(<<"ssh-dss">>,
#'Dss-Parms'{p = erlint(SizeP, P),
q = erlint(SizeQ, Q),
g = erlint(SizeG, G)}};
+
ssh2_pubkey_decode(<<"ecdsa-sha2-",Id/binary>>,
<<?UINT32(Len), ECDSA_SHA2_etc:Len/binary,
?UINT32(SizeId), Id:SizeId/binary,