Use DER format for x509 SAN tests

This way there's no dependency on PEM parsing.
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>

tests/data_files/Makefile

@@ -428,21 +428,23 @@ 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
 
-server5-othername.crt: server5.key
-	$(OPENSSL) req -x509 -new -subj "/C=UK/O=Mbed TLS/CN=Mbed TLS othername SAN" -set_serial 77 -config $(test_ca_config_file) -extensions othername_san -days 3650 -sha256 -key $< -out $@
+server5-othername.crt.der: server5.key
+	$(OPENSSL) req -x509 -new -subj "/C=UK/O=Mbed TLS/CN=Mbed TLS othername SAN" -set_serial 77 -config $(test_ca_config_file) -extensions othername_san -days 3650 -sha256 -key $< -outform der -out $@
 
-server5-nonprintable_othername.crt: server5.key
-	$(OPENSSL) req -x509 -new -subj "/C=UK/O=Mbed TLS/CN=Mbed TLS non-printable othername SAN" -set_serial 77 -config $(test_ca_config_file) -extensions nonprintable_othername_san -days 3650 -sha256 -key $< -out $@
+server5-nonprintable_othername.crt.der: server5.key
+	$(OPENSSL) req -x509 -new -subj "/C=UK/O=Mbed TLS/CN=Mbed TLS non-printable othername SAN" -set_serial 77 -config $(test_ca_config_file) -extensions nonprintable_othername_san -days 3650 -sha256 -key $< -outform der -out $@
 
-server5-unsupported_othername.crt: server5.key
-	$(OPENSSL) req -x509 -new -subj "/C=UK/O=Mbed TLS/CN=Mbed TLS unsupported othername SAN" -set_serial 77 -config $(test_ca_config_file) -extensions unsupported_othername_san -days 3650 -sha256 -key $< -out $@
+server5-unsupported_othername.crt.der: server5.key
+	$(OPENSSL) req -x509 -new -subj "/C=UK/O=Mbed TLS/CN=Mbed TLS unsupported othername SAN" -set_serial 77 -config $(test_ca_config_file) -extensions unsupported_othername_san -days 3650 -sha256 -key $< -outform der -out $@
 
-server5-fan.crt: server5.key
-	$(OPENSSL) req -x509 -new -subj "/C=UK/O=Mbed TLS/CN=Mbed TLS FAN" -set_serial 77 -config $(test_ca_config_file) -extensions fan_cert -days 3650 -sha256 -key server5.key -out $@
+server5-fan.crt.der: server5.key
+	$(OPENSSL) req -x509 -new -subj "/C=UK/O=Mbed TLS/CN=Mbed TLS FAN" -set_serial 77 -config $(test_ca_config_file) -extensions fan_cert -days 3650 -sha256 -key server5.key -outform der -out $@
 
 server5-tricky-ip-san.crt.der: server5.key
 	$(OPENSSL) req -x509 -new -subj "/C=UK/O=Mbed TLS/CN=Mbed TLS Tricky IP SAN" -set_serial 77 -config $(test_ca_config_file) -extensions tricky_ip_san -days 3650 -sha256 -key server5.key -outform der -out $@
 
+all_final += server5-tricky-ip-san.crt.der
+
 # malformed IP length
 server5-tricky-ip-san-malformed-len.crt.der: server5-tricky-ip-san.crt.der
 	hexdump -ve '1/1 "%.2X"' $< | sed "s/87046162636487106162/87056162636487106162/" | xxd -r -p > $@
@@ -485,8 +487,6 @@ server5-directoryname-seq-malformed.crt.der: server5-two-directorynames.crt.der
 server5-second-directoryname-oid-malformed.crt.der: server5-two-directorynames.crt.der
 	hexdump -ve '1/1 "%.2X"' $< | sed "s/0355040A0C0A4D414C464F524D5F4D45/1555040A0C0A4D414C464F524D5F4D45/" | xxd -r -p > $@
 
-all_final += server5-tricky-ip-san.crt
-
 rsa_single_san_uri.crt.der: rsa_single_san_uri.key
 	$(OPENSSL) req -x509 -outform der -nodes -days 7300 -newkey rsa:2048 -key $< -out $@ -addext "subjectAltName = URI:urn:example.com:5ff40f78-9210-494f-8206-c2c082f0609c" -extensions 'v3_req' -subj "/C=UK/O=Mbed TLS/CN=Mbed TLS URI SAN"
 

tests/data_files/parse_input/server5-fan.crt

@@ -1,10 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIBdTCCARugAwIBAgIBTTAKBggqhkjOPQQDAjA3MQswCQYDVQQGEwJVSzERMA8G
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-ERUCeimLIAIgdyiA4KdHxkpQhC1L1KfmxG8YJqu31FBjmNw00Sv8J9k=
------END CERTIFICATE-----

tests/data_files/parse_input/server5-nonprintable_othername.crt

@@ -1,12 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIBwTCCAWagAwIBAgIBTTAKBggqhkjOPQQDAjBPMQswCQYDVQQGEwJVSzERMA8G
-A1UECgwITWJlZCBUTFMxLTArBgNVBAMMJE1iZWQgVExTIG5vbi1wcmludGFibGUg
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-3vnWdvcHRIAdXA0kh+mcBMaXk9B0
------END CERTIFICATE-----

tests/data_files/parse_input/server5-othername.crt

@@ -1,11 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIBnzCCAUWgAwIBAgIBTTAKBggqhkjOPQQDAjBBMQswCQYDVQQGEwJVSzERMA8G
-A1UECgwITWJlZCBUTFMxHzAdBgNVBAMMFk1iZWQgVExTIG90aGVybmFtZSBTQU4w
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-sgIgCdmLyfZB9jsSPH3A3O1GATAR3O9OTtEDC+YSc+lvxSw=
------END CERTIFICATE-----

tests/data_files/parse_input/server5-unsupported_othername.crt

@@ -1,12 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIBtjCCAVygAwIBAgIBTTAKBggqhkjOPQQDAjBNMQswCQYDVQQGEwJVSzERMA8G
-A1UECgwITWJlZCBUTFMxKzApBgNVBAMMIk1iZWQgVExTIHVuc3VwcG9ydGVkIG90
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-FLfb0IRZpIsvvuNCjSgT8yBLVjJYQj3nAiBffQKZ7y/F6rfon6L1GZU0BBja8BLX
-rXp8WpY7Bc8myQ==
------END CERTIFICATE-----