Add test case for first intermediate max_pathlen=0
!!! This test case is currently failing !!!
(See fix in next-next commit.)
Test certificates generated with the following script:
programs/pkey/gen_key type=ec ec_curve=secp256r1 filename=cert81.key
programs/pkey/gen_key type=ec ec_curve=secp256r1 filename=cert82.key
programs/pkey/gen_key type=ec ec_curve=secp256r1 filename=cert83.key
programs/x509/cert_write serial=81 output_file=cert81.crt is_ca=1 \
issuer_key=cert81.key issuer_name="CN=Root 8,O=mbed TLS,C=UK" \
selfsign=1
programs/x509/cert_write serial=82 output_file=cert82.crt is_ca=1 \
issuer_key=cert81.key issuer_name="CN=Root 8,O=mbed TLS,C=UK" \
subject_key=cert82.key subject_name="CN=Int 82,O=mbed TLS,C=UK" \
max_pathlen=0
programs/x509/cert_write serial=83 output_file=cert83.crt \
issuer_key=cert82.key issuer_name="CN=Int 82,O=mbed TLS,C=UK" \
subject_key=cert83.key subject_name="CN=EE 83,O=mbed TLS,C=UK"
mv cert8?.crt tests/data_files/dir4
rm cert8?.key
diff --git a/tests/data_files/dir4/cert81.crt b/tests/data_files/dir4/cert81.crt
new file mode 100644
index 0000000..26b2bd5
--- /dev/null
+++ b/tests/data_files/dir4/cert81.crt
@@ -0,0 +1,11 @@
+-----BEGIN CERTIFICATE-----
+MIIBpTCCAUmgAwIBAgIBUTAMBggqhkjOPQQDAgUAMDExDzANBgNVBAMTBlJvb3Qg
+ODERMA8GA1UEChMIbWJlZCBUTFMxCzAJBgNVBAYTAlVLMB4XDTAxMDEwMTAwMDAw
+MFoXDTMwMTIzMTIzNTk1OVowMTEPMA0GA1UEAxMGUm9vdCA4MREwDwYDVQQKEwht
+YmVkIFRMUzELMAkGA1UEBhMCVUswWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAAT1
+GuTQ9vgf2l3oLM25r78cvIAQqE02GzQGjp/WWw3CysEwTwNEuZGhRiD5lDmkbUGW
+UNxv/7uJjy7k3K3fDNdko1AwTjAMBgNVHRMEBTADAQH/MB0GA1UdDgQWBBTHFA2h
+Au0tPnzeYnLcmlTQj4FAajAfBgNVHSMEGDAWgBTHFA2hAu0tPnzeYnLcmlTQj4FA
+ajAMBggqhkjOPQQDAgUAA0gAMEUCIH7Z/HNb/Pwbs40iNll1a9gmgAbYOgdlVPWo
+nSdcb7cZAiEAlhVb6CdBXsjOfAWWEET/QP74z608PKFccCIFPCDLkxo=
+-----END CERTIFICATE-----