diff --git a/tests/data_files/Makefile b/tests/data_files/Makefile
index d7a57a9e4..07998bda0 100644
--- a/tests/data_files/Makefile
+++ b/tests/data_files/Makefile
@@ -99,6 +99,13 @@ server5-ss-expired.crt: server5.key
 	$(FAKETIME) -f -3653d $(OPENSSL) req -x509 -new -subj "/C=UK/O=mbed TLS/OU=testsuite/CN=localhost" -days 3653 -sha256 -key $< -out $@
 all_final += server5-ss-expired.crt
 
+# try to forge a copy of test-int-ca3 with different key
+server5-ss-forgeca.crt: server5.key
+	$(FAKETIME) '2015-09-01 14:08:43' $(OPENSSL) req -x509 -new -subj "/C=UK/O=mbed TLS/CN=mbed TLS Test intermediate CA 3" -set_serial 77 -config $(test_ca_config_file) -extensions noext_ca -days 3650 -sha256 -key $< -out $@
+all_final += server5-ss-forgeca.crt
+
+
+
 
 ################################################################
 #### Generate various RSA keys
diff --git a/tests/data_files/server5-ss-forgeca.crt b/tests/data_files/server5-ss-forgeca.crt
new file mode 100644
index 000000000..bfd7b706a
--- /dev/null
+++ b/tests/data_files/server5-ss-forgeca.crt
@@ -0,0 +1,11 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/tests/data_files/test-ca.opensslconf b/tests/data_files/test-ca.opensslconf
index 12835dfa5..343d75eca 100644
--- a/tests/data_files/test-ca.opensslconf
+++ b/tests/data_files/test-ca.opensslconf
@@ -11,3 +11,6 @@ commonName = PolarSSL Test CA
 subjectKeyIdentifier=hash
 authorityKeyIdentifier=keyid:always,issuer:always
 basicConstraints = CA:true
+
+[noext_ca]
+basicConstraints = CA:true
diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index 8135f40b2..b9a2ea0ff 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -755,23 +755,27 @@ X509 Certificate verification #89 (Spurious cert later in the chain)
 depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SHA1_C:MBEDTLS_SHA256_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15
 x509_verify:"data_files/server10_int3_spurious_int-ca2.crt":"data_files/test-ca.crt":"data_files/crl-ec-sha1.pem":"NULL":0:0:"compat":"NULL"
 
-X509 Certificate verification #90 (Suite B invalid, EC cert, RSA CA)
+X509 Certificate verification #90 (EE with same name as trusted root)
+depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_SHA256_C:MBEDTLS_SHA1_C
+x509_verify:"data_files/server5-ss-forgeca.crt":"data_files/test-int-ca3.crt":"data_files/crl-ec-sha1.pem":"NULL":MBEDTLS_ERR_X509_CERT_VERIFY_FAILED:MBEDTLS_X509_BADCERT_NOT_TRUSTED:"default":"NULL"
+
+X509 Certificate verification #91 (Suite B invalid, EC cert, RSA CA)
 depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP192R1_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_SHA1_C
 x509_verify:"data_files/server3.crt":"data_files/test-ca.crt":"data_files/crl.pem":"NULL":MBEDTLS_ERR_X509_CERT_VERIFY_FAILED:MBEDTLS_X509_BADCERT_BAD_MD|MBEDTLS_X509_BADCERT_BAD_PK|MBEDTLS_X509_BADCERT_BAD_KEY|MBEDTLS_X509_BADCRL_BAD_MD|MBEDTLS_X509_BADCRL_BAD_PK:"suite_b":"NULL"
 
-X509 Certificate verification #91 (Suite B invalid, RSA cert, EC CA)
+X509 Certificate verification #92 (Suite B invalid, RSA cert, EC CA)
 depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_ECP_C:MBEDTLS_SHA256_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_ECP_DP_SECP384R1_ENABLED
 x509_verify:"data_files/server4.crt":"data_files/test-ca2.crt":"data_files/crl-ec-sha256.pem":"NULL":MBEDTLS_ERR_X509_CERT_VERIFY_FAILED:MBEDTLS_X509_BADCERT_BAD_PK:"suite_b":"NULL"
 
-X509 Certificate verification #92 (Suite B Valid, EC cert, EC CA)
+X509 Certificate verification #93 (Suite B Valid, EC cert, EC CA)
 depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_SHA256_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_ECP_DP_SECP384R1_ENABLED
 x509_verify:"data_files/server5.crt":"data_files/test-ca2.crt":"data_files/crl-ec-sha256.pem":"NULL":0:0:"suite_b":"NULL"
 
-X509 Certificate verification #93 (next profile Invalid Cert SHA224 Digest)
+X509 Certificate verification #94 (next profile Invalid Cert SHA224 Digest)
 depends_on:MBEDTLS_SHA256_C:MBEDTLS_PEM_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15
 x509_verify:"data_files/cert_sha224.crt":"data_files/test-ca.crt":"data_files/crl.pem":"NULL":MBEDTLS_ERR_X509_CERT_VERIFY_FAILED:MBEDTLS_X509_BADCERT_BAD_MD|MBEDTLS_X509_BADCRL_BAD_MD:"next":"NULL"
 
-X509 Certificate verification #94 (next profile Valid Cert SHA256 Digest)
+X509 Certificate verification #95 (next profile Valid Cert SHA256 Digest)
 depends_on:MBEDTLS_SHA256_C:MBEDTLS_PEM_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15
 x509_verify:"data_files/cert_sha256.crt":"data_files/test-ca.crt":"data_files/crl-ec-sha256.pem":"NULL":0:0:"next":"NULL"