Add check for validity of date in x509_get_time()
diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index b6c3bdb..b289fc9 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -1463,3 +1463,39 @@
 X509 File parse (trailing spaces, OK)
 depends_on:POLARSSL_ECP_C:POLARSSL_ECP_DP_SECP256R1_ENABLED
 x509parse_crt_file:"data_files/server7_trailing_space.crt":0
+
+X509 Get time (UTC no issues)
+depends_on:POLARSSL_X509_USE_C
+x509_get_time:ASN1_UTC_TIME:"500101000000Z":0:1950:1:1:0:0:0
+
+X509 Get time (Generalized Time no issues)
+depends_on:POLARSSL_X509_USE_C
+x509_get_time:ASN1_GENERALIZED_TIME:"99991231235959Z":0:9999:12:31:23:59:59
+
+X509 Get time (UTC year without leap day)
+depends_on:POLARSSL_X509_USE_C
+x509_get_time:ASN1_UTC_TIME:"490229121212Z":POLARSSL_ERR_X509_INVALID_DATE:0:0:0:0:0:0
+
+X509 Get time (UTC year with leap day)
+depends_on:POLARSSL_X509_USE_C
+x509_get_time:ASN1_UTC_TIME:"000229121212Z":0:2000:2:29:12:12:12
+
+X509 Get time (UTC invalid day of month #1)
+depends_on:POLARSSL_X509_USE_C
+x509_get_time:ASN1_UTC_TIME:"000132121212Z":POLARSSL_ERR_X509_INVALID_DATE:0:0:0:0:0:0
+
+X509 Get time (UTC invalid day of month #2)
+depends_on:POLARSSL_X509_USE_C
+x509_get_time:ASN1_UTC_TIME:"001131121212Z":POLARSSL_ERR_X509_INVALID_DATE:0:0:0:0:0:0
+
+X509 Get time (UTC invalid hour)
+depends_on:POLARSSL_X509_USE_C
+x509_get_time:ASN1_UTC_TIME:"001130241212Z":POLARSSL_ERR_X509_INVALID_DATE:0:0:0:0:0:0
+
+X509 Get time (UTC invalid min)
+depends_on:POLARSSL_X509_USE_C
+x509_get_time:ASN1_UTC_TIME:"001130236012Z":POLARSSL_ERR_X509_INVALID_DATE:0:0:0:0:0:0
+
+X509 Get time (UTC invalid sec)
+depends_on:POLARSSL_X509_USE_C
+x509_get_time:ASN1_UTC_TIME:"001130235960Z":POLARSSL_ERR_X509_INVALID_DATE:0:0:0:0:0:0
diff --git a/tests/suites/test_suite_x509parse.function b/tests/suites/test_suite_x509parse.function
index 18837c5..eee8241 100644
--- a/tests/suites/test_suite_x509parse.function
+++ b/tests/suites/test_suite_x509parse.function
@@ -1,4 +1,5 @@
 /* BEGIN_HEADER */
+#include "polarssl/x509.h"
 #include "polarssl/x509_crt.h"
 #include "polarssl/x509_crl.h"
 #include "polarssl/x509_csr.h"
@@ -594,6 +595,39 @@
 }
 /* END_CASE */
 
+/* BEGIN_CASE depends_on:POLARSSL_X509_USE_C */
+void x509_get_time( int tag,  char *time_str, int ret,
+                    int year, int mon, int day,
+                    int hour, int min, int sec )
+{
+    x509_time time;
+    unsigned char buf[17];
+    unsigned char* start = buf;
+    unsigned char* end = buf;
+
+    memset( &time, 0x00, sizeof( time ) );
+    *end = (unsigned char)tag; end++;
+    if( tag == ASN1_UTC_TIME )
+        *end = 13;
+    else
+        *end = 15;
+    end++;
+    memcpy( end, time_str, (size_t)*(end - 1) );
+    end += *(end - 1);
+
+    TEST_ASSERT( x509_get_time( &start, end, &time ) == ret );
+    if( ret == 0 )
+    {
+        TEST_ASSERT( year == time.year );
+        TEST_ASSERT( mon  == time.mon  );
+        TEST_ASSERT( day  == time.day  );
+        TEST_ASSERT( hour == time.hour );
+        TEST_ASSERT( min  == time.min  );
+        TEST_ASSERT( sec  == time.sec  );
+    }
+}
+/* END_CASE */
+
 /* BEGIN_CASE depends_on:POLARSSL_X509_CRT_PARSE_C:POLARSSL_X509_RSASSA_PSS_SUPPORT */
 void x509_parse_rsassa_pss_params( char *hex_params, int params_tag,
                                    int ref_msg_md, int ref_mgf_md,