Free psa crypto at the end of programs when initialized

Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
diff --git a/programs/x509/cert_app.c b/programs/x509/cert_app.c
index 07016e4..721de84 100644
--- a/programs/x509/cert_app.c
+++ b/programs/x509/cert_app.c
@@ -461,6 +461,7 @@
 #endif
     mbedtls_ctr_drbg_free(&ctr_drbg);
     mbedtls_entropy_free(&entropy);
+    mbedtls_psa_crypto_free();
 
 #if defined(_WIN32)
     mbedtls_printf("  + Press Enter to exit this program.\n");
diff --git a/programs/x509/cert_req.c b/programs/x509/cert_req.c
index a3fd6e2..43b1eb1 100644
--- a/programs/x509/cert_req.c
+++ b/programs/x509/cert_req.c
@@ -374,6 +374,7 @@
     mbedtls_pk_free(&key);
     mbedtls_ctr_drbg_free(&ctr_drbg);
     mbedtls_entropy_free(&entropy);
+    mbedtls_psa_crypto_free();
 
 #if defined(_WIN32)
     mbedtls_printf("  + Press Enter to exit this program.\n");
diff --git a/programs/x509/cert_write.c b/programs/x509/cert_write.c
index f7cf712..bf46799 100644
--- a/programs/x509/cert_write.c
+++ b/programs/x509/cert_write.c
@@ -726,6 +726,7 @@
     mbedtls_mpi_free(&serial);
     mbedtls_ctr_drbg_free(&ctr_drbg);
     mbedtls_entropy_free(&entropy);
+    mbedtls_psa_crypto_free();
 
 #if defined(_WIN32)
     mbedtls_printf("  + Press Enter to exit this program.\n");
diff --git a/programs/x509/crl_app.c b/programs/x509/crl_app.c
index 1208f04..f99d9ac 100644
--- a/programs/x509/crl_app.c
+++ b/programs/x509/crl_app.c
@@ -136,6 +136,7 @@
 
 exit:
     mbedtls_x509_crl_free(&crl);
+    mbedtls_psa_crypto_free();
 
 #if defined(_WIN32)
     mbedtls_printf("  + Press Enter to exit this program.\n");
diff --git a/programs/x509/load_roots.c b/programs/x509/load_roots.c
index 87187e6..bca6e88 100644
--- a/programs/x509/load_roots.c
+++ b/programs/x509/load_roots.c
@@ -127,11 +127,6 @@
     struct mbedtls_timing_hr_time timer;
     unsigned long ms;
 
-    if (argc <= 1) {
-        mbedtls_printf(USAGE);
-        goto exit;
-    }
-
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     psa_status_t status = psa_crypto_init();
     if (status != PSA_SUCCESS) {
@@ -141,6 +136,11 @@
     }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
+    if (argc <= 1) {
+        mbedtls_printf(USAGE);
+        goto exit;
+    }
+
     opt.filenames = NULL;
     opt.iterations = DFL_ITERATIONS;
     opt.prime_cache = DFL_PRIME_CACHE;
@@ -200,6 +200,7 @@
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
+    mbedtls_psa_crypto_free();
     mbedtls_exit(exit_code);
 }
 #endif /* necessary configuration */
diff --git a/programs/x509/req_app.c b/programs/x509/req_app.c
index 07cbd4f..b1fc98c 100644
--- a/programs/x509/req_app.c
+++ b/programs/x509/req_app.c
@@ -136,6 +136,7 @@
 
 exit:
     mbedtls_x509_csr_free(&csr);
+    mbedtls_psa_crypto_free();
 
 #if defined(_WIN32)
     mbedtls_printf("  + Press Enter to exit this program.\n");