Add tests for parsing CSRs
diff --git a/tests/data_files/server5.req.sha1 b/tests/data_files/server5.req.sha1
new file mode 100644
index 0000000..1a14a15
--- /dev/null
+++ b/tests/data_files/server5.req.sha1
@@ -0,0 +1,8 @@
+-----BEGIN CERTIFICATE REQUEST-----
+MIIBGDCBvwIBADA0MQswCQYDVQQGEwJOTDERMA8GA1UEChMIUG9sYXJTU0wxEjAQ
+BgNVBAMTCWxvY2FsaG9zdDBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABDfMVtl2
+CR5acj7HWS3/IG7ufPkGkXTQrRS192giWWKSTuUA2CMR/+ov0jRdXRa9iojCa3cN
+Vc2KKg76Aci07f+gKTAnBgkqhkiG9w0BCQ4xGjAYMAkGA1UdEwQCMAAwCwYDVR0P
+BAQDAgXgMAkGByqGSM49BAEDSQAwRgIhALSf2Mj3er+ocZCN++aEoIp5PQ9JCkPY
+b88ghuTyS7DCAiEA+CnVzNN0I2kpnmKUOUcXxLcjoPaLROgxtubDvKv5ckM=
+-----END CERTIFICATE REQUEST-----
diff --git a/tests/data_files/server5.req.sha224 b/tests/data_files/server5.req.sha224
new file mode 100644
index 0000000..2766834
--- /dev/null
+++ b/tests/data_files/server5.req.sha224
@@ -0,0 +1,8 @@
+-----BEGIN CERTIFICATE REQUEST-----
+MIIBGDCBvwIBADA0MQswCQYDVQQGEwJOTDERMA8GA1UEChMIUG9sYXJTU0wxEjAQ
+BgNVBAMTCWxvY2FsaG9zdDBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABDfMVtl2
+CR5acj7HWS3/IG7ufPkGkXTQrRS192giWWKSTuUA2CMR/+ov0jRdXRa9iojCa3cN
+Vc2KKg76Aci07f+gKTAnBgkqhkiG9w0BCQ4xGjAYMAkGA1UdEwQCMAAwCwYDVR0P
+BAQDAgXgMAoGCCqGSM49BAMBA0gAMEUCIDYaN1m9MRk5mhX1U8aZKd0alyGKWqcR
+oglF2MsIii/2AiEAjFHs8XQ0Q4yDF8oLztCxlq3nAvqmPdQz9T+TkEfh+PA=
+-----END CERTIFICATE REQUEST-----
diff --git a/tests/data_files/server5.req.sha256 b/tests/data_files/server5.req.sha256
new file mode 100644
index 0000000..c59e15f
--- /dev/null
+++ b/tests/data_files/server5.req.sha256
@@ -0,0 +1,8 @@
+-----BEGIN CERTIFICATE REQUEST-----
+MIIBFzCBvwIBADA0MQswCQYDVQQGEwJOTDERMA8GA1UEChMIUG9sYXJTU0wxEjAQ
+BgNVBAMTCWxvY2FsaG9zdDBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABDfMVtl2
+CR5acj7HWS3/IG7ufPkGkXTQrRS192giWWKSTuUA2CMR/+ov0jRdXRa9iojCa3cN
+Vc2KKg76Aci07f+gKTAnBgkqhkiG9w0BCQ4xGjAYMAkGA1UdEwQCMAAwCwYDVR0P
+BAQDAgXgMAoGCCqGSM49BAMCA0cAMEQCIGmRFdjjd53oM2Zpt3E5vfqujnA+DHWk
+s9OudcSWBdjmAiA7BAYjGnXyL6ATPqM7qnLVGTf3JMT+1rXl7esBm/0APA==
+-----END CERTIFICATE REQUEST-----
diff --git a/tests/data_files/server5.req.sha384 b/tests/data_files/server5.req.sha384
new file mode 100644
index 0000000..87556c6
--- /dev/null
+++ b/tests/data_files/server5.req.sha384
@@ -0,0 +1,8 @@
+-----BEGIN CERTIFICATE REQUEST-----
+MIIBFzCBvwIBADA0MQswCQYDVQQGEwJOTDERMA8GA1UEChMIUG9sYXJTU0wxEjAQ
+BgNVBAMTCWxvY2FsaG9zdDBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABDfMVtl2
+CR5acj7HWS3/IG7ufPkGkXTQrRS192giWWKSTuUA2CMR/+ov0jRdXRa9iojCa3cN
+Vc2KKg76Aci07f+gKTAnBgkqhkiG9w0BCQ4xGjAYMAkGA1UdEwQCMAAwCwYDVR0P
+BAQDAgXgMAoGCCqGSM49BAMDA0cAMEQCIDnO+PIPZJGqiky9unvq13uXxahw1bpk
+Zb5NRV0c06Q5AiAo5B49tp3kDN/n0BDNt1BBGLUfhcU+Qn2SQenCyfuGLg==
+-----END CERTIFICATE REQUEST-----
diff --git a/tests/data_files/server5.req.sha512 b/tests/data_files/server5.req.sha512
new file mode 100644
index 0000000..607741e
--- /dev/null
+++ b/tests/data_files/server5.req.sha512
@@ -0,0 +1,8 @@
+-----BEGIN CERTIFICATE REQUEST-----
+MIIBGDCBvwIBADA0MQswCQYDVQQGEwJOTDERMA8GA1UEChMIUG9sYXJTU0wxEjAQ
+BgNVBAMTCWxvY2FsaG9zdDBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABDfMVtl2
+CR5acj7HWS3/IG7ufPkGkXTQrRS192giWWKSTuUA2CMR/+ov0jRdXRa9iojCa3cN
+Vc2KKg76Aci07f+gKTAnBgkqhkiG9w0BCQ4xGjAYMAkGA1UdEwQCMAAwCwYDVR0P
+BAQDAgXgMAoGCCqGSM49BAMEA0gAMEUCIQD8xdtluTiBJM50d/WvDeUvPbXOUMlL
+8xEJXU2WOK+RLAIgS8U6Z8tlJpXLEisz/j4gdABG3Y3h4PBJjlpszFisTNo=
+-----END CERTIFICATE REQUEST-----
diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index e11c77d..7a02003 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -170,6 +170,54 @@
 depends_on:POLARSSL_PEM_PARSE_C
 x509_crl_info:"data_files/crl-ec-sha512.pem":"CRL version   \: 2\nissuer name   \: C=NL, O=PolarSSL, CN=Polarssl Test EC CA\nthis update   \: 2013-09-24 16\:31\:08\nnext update   \: 2023-09-22 16\:31\:08\nRevoked certificates\:\nserial number\: 0A revocation date\: 2013-09-24 16\:28\:38\nsigned using  \: ECDSA with SHA512\n"
 
+X509 CSR Information RSA with MD4
+depends_on:POLARSSL_PEM_PARSE_C
+x509_csr_info:"data_files/server1.req.md4":"CSR version   \: 1\nsubject name  \: C=NL, O=PolarSSL, CN=PolarSSL Server 1\nsigned using  \: RSA with MD4\nRSA key size  \: 2048 bits\n"
+
+X509 CSR Information RSA with MD5
+depends_on:POLARSSL_PEM_PARSE_C
+x509_csr_info:"data_files/server1.req.md5":"CSR version   \: 1\nsubject name  \: C=NL, O=PolarSSL, CN=PolarSSL Server 1\nsigned using  \: RSA with MD5\nRSA key size  \: 2048 bits\n"
+
+X509 CSR Information RSA with SHA1
+depends_on:POLARSSL_PEM_PARSE_C
+x509_csr_info:"data_files/server1.req.sha1":"CSR version   \: 1\nsubject name  \: C=NL, O=PolarSSL, CN=PolarSSL Server 1\nsigned using  \: RSA with SHA1\nRSA key size  \: 2048 bits\n"
+
+X509 CSR Information RSA with SHA224
+depends_on:POLARSSL_PEM_PARSE_C
+x509_csr_info:"data_files/server1.req.sha224":"CSR version   \: 1\nsubject name  \: C=NL, O=PolarSSL, CN=PolarSSL Server 1\nsigned using  \: RSA with SHA-224\nRSA key size  \: 2048 bits\n"
+
+X509 CSR Information RSA with SHA256
+depends_on:POLARSSL_PEM_PARSE_C
+x509_csr_info:"data_files/server1.req.sha256":"CSR version   \: 1\nsubject name  \: C=NL, O=PolarSSL, CN=PolarSSL Server 1\nsigned using  \: RSA with SHA-256\nRSA key size  \: 2048 bits\n"
+
+X509 CSR Information RSA with SHA384
+depends_on:POLARSSL_PEM_PARSE_C
+x509_csr_info:"data_files/server1.req.sha384":"CSR version   \: 1\nsubject name  \: C=NL, O=PolarSSL, CN=PolarSSL Server 1\nsigned using  \: RSA with SHA-384\nRSA key size  \: 2048 bits\n"
+
+X509 CSR Information RSA with SHA512
+depends_on:POLARSSL_PEM_PARSE_C
+x509_csr_info:"data_files/server1.req.sha512":"CSR version   \: 1\nsubject name  \: C=NL, O=PolarSSL, CN=PolarSSL Server 1\nsigned using  \: RSA with SHA-512\nRSA key size  \: 2048 bits\n"
+
+X509 CSR Information EC with SHA1
+depends_on:POLARSSL_PEM_PARSE_C
+x509_csr_info:"data_files/server5.req.sha1":"CSR version   \: 1\nsubject name  \: C=NL, O=PolarSSL, CN=localhost\nsigned using  \: ECDSA with SHA1\nEC key size   \: 256 bits\n"
+
+X509 CSR Information EC with SHA224
+depends_on:POLARSSL_PEM_PARSE_C
+x509_csr_info:"data_files/server5.req.sha224":"CSR version   \: 1\nsubject name  \: C=NL, O=PolarSSL, CN=localhost\nsigned using  \: ECDSA with SHA224\nEC key size   \: 256 bits\n"
+
+X509 CSR Information EC with SHA256
+depends_on:POLARSSL_PEM_PARSE_C
+x509_csr_info:"data_files/server5.req.sha256":"CSR version   \: 1\nsubject name  \: C=NL, O=PolarSSL, CN=localhost\nsigned using  \: ECDSA with SHA256\nEC key size   \: 256 bits\n"
+
+X509 CSR Information EC with SHA384
+depends_on:POLARSSL_PEM_PARSE_C
+x509_csr_info:"data_files/server5.req.sha384":"CSR version   \: 1\nsubject name  \: C=NL, O=PolarSSL, CN=localhost\nsigned using  \: ECDSA with SHA384\nEC key size   \: 256 bits\n"
+
+X509 CSR Information EC with SHA512
+depends_on:POLARSSL_PEM_PARSE_C
+x509_csr_info:"data_files/server5.req.sha512":"CSR version   \: 1\nsubject name  \: C=NL, O=PolarSSL, CN=localhost\nsigned using  \: ECDSA with SHA512\nEC key size   \: 256 bits\n"
+
 X509 Get Distinguished Name #1
 depends_on:POLARSSL_PEM_PARSE_C:POLARSSL_RSA_C
 x509_dn_gets:"data_files/server1.crt":"subject":"C=NL, O=PolarSSL, CN=PolarSSL Server 1"
diff --git a/tests/suites/test_suite_x509parse.function b/tests/suites/test_suite_x509parse.function
index d992c1d..77e0336 100644
--- a/tests/suites/test_suite_x509parse.function
+++ b/tests/suites/test_suite_x509parse.function
@@ -1,6 +1,7 @@
 /* BEGIN_HEADER */
 #include <polarssl/x509_crt.h>
 #include <polarssl/x509_crl.h>
+#include <polarssl/x509_csr.h>
 #include <polarssl/pem.h>
 #include <polarssl/oid.h>
 
@@ -75,6 +76,28 @@
 }
 /* END_CASE */
 
+/* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CSR_PARSE_C */
+void x509_csr_info( char *csr_file, char *result_str )
+{
+    x509_csr   csr;
+    char buf[2000];
+    int res;
+
+    x509_csr_init( &csr );
+    memset( buf, 0, 2000 );
+
+    TEST_ASSERT( x509_csr_parse_file( &csr, csr_file ) == 0 );
+    res = x509_csr_info( buf, 2000, "", &csr );
+
+    x509_csr_free( &csr );
+
+    TEST_ASSERT( res != -1 );
+    TEST_ASSERT( res != -2 );
+
+    TEST_ASSERT( strcmp( buf, result_str ) == 0 );
+}
+/* END_CASE */
+
 /* BEGIN_CASE depends_on:POLARSSL_FS_IO:POLARSSL_X509_CRT_PARSE_C:POLARSSL_X509_CRL_PARSE_C */
 void x509_verify( char *crt_file, char *ca_file, char *crl_file,
                   char *cn_name_str, int result, int flags_result,