diff --git a/tests/data_files/Makefile b/tests/data_files/Makefile
index b5f0844..2009ad6 100644
--- a/tests/data_files/Makefile
+++ b/tests/data_files/Makefile
@@ -1441,6 +1441,11 @@
 parse_input/server1.req.commas.sha256: server1.key
 	$(MBEDTLS_CERT_REQ) output_file=$@ filename=$< subject_name="C=NL,O=PolarSSL\, Commas,CN=PolarSSL Server 1" md=SHA256
 
+parse_input/server1.req.hashsymbol.sha256: server1.key
+	$(MBEDTLS_CERT_REQ) output_file=$@ filename=$< subject_name="C=NL,O=\#PolarSSL,CN=PolarSSL Server 1" md=SHA256
+
+parse_input/server1.req.spaces.sha256: server1.key
+	$(MBEDTLS_CERT_REQ) output_file=$@ filename=$< subject_name="C=NL,O= PolarSSL ,CN=PolarSSL Server 1" md=SHA256
 # server2*
 
 server2_pwd_ec = PolarSSLTest
@@ -1590,7 +1595,11 @@
 	$(OPENSSL) x509 -inform PEM -in $< -outform DER -out $@
 server1.commas.crt: server1.key parse_input/server1.req.commas.sha256 $(test_ca_crt) $(test_ca_key_file_rsa)
 	$(MBEDTLS_CERT_WRITE) request_file=parse_input/server1.req.commas.sha256 issuer_crt=$(test_ca_crt) issuer_key=$(test_ca_key_file_rsa) issuer_pwd=$(test_ca_pwd_rsa) version=1 not_before=20190210144406 not_after=20290210144406 md=SHA1 version=3 output_file=$@
-all_final += server1.crt server1.noauthid.crt parse_input/server1.crt.der server1.commas.crt
+server1.hashsymbol.crt: server1.key parse_input/server1.req.hashsymbol.sha256 $(test_ca_crt) $(test_ca_key_file_rsa)
+	$(MBEDTLS_CERT_WRITE) request_file=parse_input/server1.req.hashsymbol.sha256 issuer_crt=$(test_ca_crt) issuer_key=$(test_ca_key_file_rsa) issuer_pwd=$(test_ca_pwd_rsa) version=1 not_before=20190210144406 not_after=20290210144406 md=SHA1 version=3 output_file=$@
+server1.spaces.crt: server1.key parse_input/server1.req.spaces.sha256 $(test_ca_crt) $(test_ca_key_file_rsa)
+	$(MBEDTLS_CERT_WRITE) request_file=parse_input/server1.req.spaces.sha256 issuer_crt=$(test_ca_crt) issuer_key=$(test_ca_key_file_rsa) issuer_pwd=$(test_ca_pwd_rsa) version=1 not_before=20190210144406 not_after=20290210144406 md=SHA1 version=3 output_file=$@
+all_final += server1.crt server1.noauthid.crt parse_input/server1.crt.der server1.commas.crt server1.hashsymbol.crt server1.spaces.crt
 
 parse_input/server1.key_usage.crt: parse_input/server1.req.sha256
 server1.key_usage.crt: server1.req.sha256
diff --git a/tests/data_files/server1.hashsymbol.crt b/tests/data_files/server1.hashsymbol.crt
new file mode 100644
index 0000000..9db7300
--- /dev/null
+++ b/tests/data_files/server1.hashsymbol.crt
@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/tests/data_files/server1.spaces.crt b/tests/data_files/server1.spaces.crt
new file mode 100644
index 0000000..b77132a
--- /dev/null
+++ b/tests/data_files/server1.spaces.crt
@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index 7af9de9..a2a43d3 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -184,11 +184,11 @@
 
 X509 CRT information Bitstring in subject name
 depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_MD_CAN_SHA1
-x509_cert_info:"data_files/parse_input/bitstring-in-dn.pem":"cert. version     \: 3\nserial number     \: 02\nissuer name       \: CN=Test CA 01, ST=Ecnivorp, C=XX, emailAddress=tca@example.com, O=Test CA Authority\nsubject name      \: C=XX, O=tca, ST=Ecnivorp, OU=TCA, CN=Client, emailAddress=client@example.com, serialNumber=7101012255, uniqueIdentifier=?7101012255\nissued  on        \: 2015-03-11 12\:06\:51\nexpires on        \: 2025-03-08 12\:06\:51\nsigned using      \: RSA with SHA1\nRSA key size      \: 2048 bits\nbasic constraints \: CA=false\nsubject alt name  \:\n    rfc822Name \: client@example.com\next key usage     \: TLS Web Client Authentication\n"
+x509_cert_info:"data_files/parse_input/bitstring-in-dn.pem":"cert. version     \: 3\nserial number     \: 02\nissuer name       \: CN=Test CA 01, ST=Ecnivorp, C=XX, emailAddress=tca@example.com, O=Test CA Authority\nsubject name      \: C=XX, O=tca, ST=Ecnivorp, OU=TCA, CN=Client, emailAddress=client@example.com, serialNumber=7101012255, uniqueIdentifier=\\007101012255\nissued  on        \: 2015-03-11 12\:06\:51\nexpires on        \: 2025-03-08 12\:06\:51\nsigned using      \: RSA with SHA1\nRSA key size      \: 2048 bits\nbasic constraints \: CA=false\nsubject alt name  \:\n    rfc822Name \: client@example.com\next key usage     \: TLS Web Client Authentication\n"
 
 X509 CRT information Non-ASCII string in issuer name and subject name
 depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_MD_CAN_SHA256
-x509_cert_info:"data_files/parse_input/non-ascii-string-in-issuer.crt":"cert. version     \: 3\nserial number     \: 05\:E6\:53\:E7\:1B\:74\:F0\:B5\:D3\:84\:6D\:0C\:6D\:DC\:FA\:3F\:A4\:5A\:2B\:E0\nissuer name       \: C=JP, ST=Tokyo, O=?????????????????? Ltd, CN=?????????????????? CA\nsubject name      \: C=JP, ST=Tokyo, O=?????????????????? Ltd, CN=?????????????????? CA\nissued  on        \: 2020-05-20 16\:17\:23\nexpires on        \: 2020-06-19 16\:17\:23\nsigned using      \: RSA with SHA-256\nRSA key size      \: 2048 bits\nbasic constraints \: CA=true\n"
+x509_cert_info:"data_files/parse_input/non-ascii-string-in-issuer.crt":"cert. version     \: 3\nserial number     \: 05\:E6\:53\:E7\:1B\:74\:F0\:B5\:D3\:84\:6D\:0C\:6D\:DC\:FA\:3F\:A4\:5A\:2B\:E0\nissuer name       \: C=JP, ST=Tokyo, O=\\C3\\A3\\C2\\83\\C2\\86\\C3\\A3\\C2\\82\\C2\\B9\\C3\\A3\\C2\\83\\C2\\88 Ltd, CN=\\C3\\A3\\C2\\83\\C2\\86\\C3\\A3\\C2\\82\\C2\\B9\\C3\\A3\\C2\\83\\C2\\88 CA\nsubject name      \: C=JP, ST=Tokyo, O=\\C3\\A3\\C2\\83\\C2\\86\\C3\\A3\\C2\\82\\C2\\B9\\C3\\A3\\C2\\83\\C2\\88 Ltd, CN=\\C3\\A3\\C2\\83\\C2\\86\\C3\\A3\\C2\\82\\C2\\B9\\C3\\A3\\C2\\83\\C2\\88 CA\nissued  on        \: 2020-05-20 16\:17\:23\nexpires on        \: 2020-06-19 16\:17\:23\nsigned using      \: RSA with SHA-256\nRSA key size      \: 2048 bits\nbasic constraints \: CA=true\n"
 
 X509 CRT information Parsing IPv4 and IPv6 IP names
 depends_on:MBEDTLS_PK_CAN_ECDSA_VERIFY:MBEDTLS_MD_CAN_SHA256:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_RSA_C
@@ -447,6 +447,14 @@
 depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_MD_CAN_SHA1
 mbedtls_x509_dn_gets:"data_files/server1.commas.crt":"subject":"C=NL, O=PolarSSL\\, Commas, CN=PolarSSL Server 1"
 
+X509 Get Distinguished Name #6
+depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_MD_CAN_SHA1
+mbedtls_x509_dn_gets:"data_files/server1.hashsymbol.crt":"subject":"C=NL, O=\\#PolarSSL, CN=PolarSSL Server 1"
+
+X509 Get Distinguished Name #7
+depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_MD_CAN_SHA1
+mbedtls_x509_dn_gets:"data_files/server1.spaces.crt":"subject":"C=NL, O=\\ PolarSSL\\ , CN=PolarSSL Server 1"
+
 X509 Get Modified DN #1
 depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_MD_CAN_SHA1
 mbedtls_x509_dn_gets_subject_replace:"data_files/server1.crt":"Modified":"C=NL, O=Modified, CN=PolarSSL Server 1":0