diff --git a/tests/suites/test_suite_md.function b/tests/suites/test_suite_md.function
index ac9516a..687b102 100644
--- a/tests/suites/test_suite_md.function
+++ b/tests/suites/test_suite_md.function
@@ -1,5 +1,10 @@
 /* BEGIN_HEADER */
 #include "mbedtls/md.h"
+#include "md_psa.h"
+
+#define MD_PSA(md, psa) \
+    TEST_EQUAL(mbedtls_md_psa_alg_from_type(md), psa);  \
+    TEST_EQUAL(mbedtls_md_type_from_psa_alg(psa), md);
 /* END_HEADER */
 
 /* BEGIN_DEPENDENCIES
@@ -36,6 +41,27 @@
 }
 /* END_CASE */
 
+/* BEGIN_CASE depends_on:MBEDTLS_PSA_CRYPTO_C */
+void md_to_from_psa()
+{
+    /* We use a simplified implementation that relies on numerical values
+     * being aligned, so make sure they remain so. */
+    MD_PSA(MBEDTLS_MD_MD5, PSA_ALG_MD5);
+    MD_PSA(MBEDTLS_MD_RIPEMD160, PSA_ALG_RIPEMD160);
+    MD_PSA(MBEDTLS_MD_SHA1, PSA_ALG_SHA_1);
+    MD_PSA(MBEDTLS_MD_SHA224, PSA_ALG_SHA_224);
+    MD_PSA(MBEDTLS_MD_SHA256, PSA_ALG_SHA_256);
+    MD_PSA(MBEDTLS_MD_SHA384, PSA_ALG_SHA_384);
+    MD_PSA(MBEDTLS_MD_SHA512, PSA_ALG_SHA_512);
+    MD_PSA(MBEDTLS_MD_SHA3_224, PSA_ALG_SHA3_224);
+    MD_PSA(MBEDTLS_MD_SHA3_256, PSA_ALG_SHA3_256);
+    MD_PSA(MBEDTLS_MD_SHA3_384, PSA_ALG_SHA3_384);
+    MD_PSA(MBEDTLS_MD_SHA3_512, PSA_ALG_SHA3_512);
+
+    MD_PSA(MBEDTLS_MD_NONE, PSA_ALG_NONE);
+}
+/* END_CASE */
+
 /* BEGIN_CASE */
 void md_null_args()
 {