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-rw-r--r--lib/ssh/src/ssh_transport.erl27
1 files changed, 18 insertions, 9 deletions
diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl
index 3cf1e60634..09b5d1ac81 100644
--- a/lib/ssh/src/ssh_transport.erl
+++ b/lib/ssh/src/ssh_transport.erl
@@ -1202,15 +1202,23 @@ sign(SigData, HashAlg, Key) ->
public_key:sign(SigData, HashAlg, Key).
verify(PlainText, HashAlg, Sig, {_, #'Dss-Parms'{}} = Key) ->
- <<R:160/big-unsigned-integer, S:160/big-unsigned-integer>> = Sig,
- Signature = public_key:der_encode('Dss-Sig-Value', #'Dss-Sig-Value'{r = R, s = S}),
- public_key:verify(PlainText, HashAlg, Signature, Key);
+ case Sig of
+ <<R:160/big-unsigned-integer, S:160/big-unsigned-integer>> ->
+ Signature = public_key:der_encode('Dss-Sig-Value', #'Dss-Sig-Value'{r = R, s = S}),
+ public_key:verify(PlainText, HashAlg, Signature, Key);
+ _ ->
+ false
+ end;
verify(PlainText, HashAlg, Sig, {#'ECPoint'{},_} = Key) ->
- <<?UINT32(Rlen),R:Rlen/big-signed-integer-unit:8,
- ?UINT32(Slen),S:Slen/big-signed-integer-unit:8>> = Sig,
- Sval = #'ECDSA-Sig-Value'{r=R, s=S},
- DerEncodedSig = public_key:der_encode('ECDSA-Sig-Value',Sval),
- public_key:verify(PlainText, HashAlg, DerEncodedSig, Key);
+ case Sig of
+ <<?UINT32(Rlen),R:Rlen/big-signed-integer-unit:8,
+ ?UINT32(Slen),S:Slen/big-signed-integer-unit:8>> ->
+ Sval = #'ECDSA-Sig-Value'{r=R, s=S},
+ DerEncodedSig = public_key:der_encode('ECDSA-Sig-Value',Sval),
+ public_key:verify(PlainText, HashAlg, DerEncodedSig, Key);
+ _ ->
+ false
+ end;
verify(PlainText, HashAlg, Sig, Key) ->
public_key:verify(PlainText, HashAlg, Sig, Key).
@@ -1795,7 +1803,8 @@ sha(?'secp384r1') -> sha(secp384r1);
sha(?'secp521r1') -> sha(secp521r1);
sha('ecdh-sha2-nistp256') -> sha(secp256r1);
sha('ecdh-sha2-nistp384') -> sha(secp384r1);
-sha('ecdh-sha2-nistp521') -> sha(secp521r1).
+sha('ecdh-sha2-nistp521') -> sha(secp521r1);
+sha(Str) when is_list(Str), length(Str)<50 -> sha(list_to_atom(Str)).
mac_key_bytes('hmac-sha1') -> 20;