Add some more x509_verify tests
- trust chain of depth 0
- invalid signature
- trust chain of depth 2
- multiple trusted CA's
diff --git a/tests/data_files/server5-badsign.crt b/tests/data_files/server5-badsign.crt
new file mode 100644
index 0000000..8e60243
--- /dev/null
+++ b/tests/data_files/server5-badsign.crt
@@ -0,0 +1,13 @@
+-----BEGIN CERTIFICATE-----
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++CJDtEUcDedgFCpqo4GdMIGaMAkGA1UdEwQCMAAwHQYDVR0OBBYEFKItALYotNzi
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+QDA+MQswCQYDVQQGEwJOTDERMA8GA1UEChMIUG9sYXJTU0wxHDAaBgNVBAMTE1Bv
+bGFyc3NsIFRlc3QgRUMgQ0GCCQCtQnl2nnL24TAJBgcqhkjOPQQBA0gAMEUCIE/J
+rb3TrYL+z1OsZ2rtCmji7hrPj570X4Qkm1Pb5QEvAiEAiq46sM0+1DSAU0u8FcuL
+jbRvSP9W7EJjb9QR3zNYbf4=
+-----END CERTIFICATE-----