diff --git a/tests/suites/test_suite_pk.data b/tests/suites/test_suite_pk.data
index ecd80a4..18e165b 100644
--- a/tests/suites/test_suite_pk.data
+++ b/tests/suites/test_suite_pk.data
@@ -310,42 +310,46 @@
 pk_sign_verify_restart:MBEDTLS_PK_ECKEY:MBEDTLS_ECP_DP_SECP256R1:"C9AFA9D845BA75166B5C215767B1D6934E50C3DB36E89B127B8A622B120F6721":"60FED4BA255A9D31C961EB74C6356D68C049B8923B61FA6CE669622E60F29FB6":"7903FE1008B8BC99A41AE9E95628BC64F2F1B20C2D7E9F5177A3C294D4462299":MBEDTLS_MD_SHA256:"test":"3045022100f1abb023518351cd71d881567b1ea663ed3efcf6c5132b354f28d3b0b7d383670220019f4113742a2b14bd25926b49c649155f267e60d3814b4c0cc84250e46f0083":250:2:64
 
 PSA wrapped sign: SECP256R1
-depends_on:MBEDTLS_ECP_DP_SECP256R1_ENABLED
+depends_on:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED
 pk_psa_sign:MBEDTLS_ECP_DP_SECP256R1:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1):256
 
 PSA wrapped sign: SECP384R1
-depends_on:MBEDTLS_ECP_DP_SECP384R1_ENABLED
+depends_on:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED
 pk_psa_sign:MBEDTLS_ECP_DP_SECP384R1:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1):384
 
 PSA wrapped sign: SECP521R1
-depends_on:MBEDTLS_ECP_DP_SECP521R1_ENABLED
+depends_on:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP521R1_ENABLED
 pk_psa_sign:MBEDTLS_ECP_DP_SECP521R1:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1):521
 
 PSA wrapped sign: SECP192K1
-depends_on:MBEDTLS_ECP_DP_SECP192K1_ENABLED
+depends_on:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP192K1_ENABLED
 pk_psa_sign:MBEDTLS_ECP_DP_SECP192K1:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_K1):192
 
 ## Currently buggy: https://github.com/ARMmbed/mbed-crypto/issues/336
 # PSA wrapped sign: SECP224K1
-# depends_on:MBEDTLS_ECP_DP_SECP224K1_ENABLED
+# depends_on:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP224K1_ENABLED
 # pk_psa_sign:MBEDTLS_ECP_DP_SECP224K1:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_K1):224
 
 PSA wrapped sign: SECP256K1
-depends_on:MBEDTLS_ECP_DP_SECP256K1_ENABLED
+depends_on:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP256K1_ENABLED
 pk_psa_sign:MBEDTLS_ECP_DP_SECP256K1:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_K1):256
 
 PSA wrapped sign: BP256R1
-depends_on:MBEDTLS_ECP_DP_BP256R1_ENABLED
+depends_on:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_BP256R1_ENABLED
 pk_psa_sign:MBEDTLS_ECP_DP_BP256R1:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_BRAINPOOL_P_R1):256
 
 PSA wrapped sign: BP384R1
-depends_on:MBEDTLS_ECP_DP_BP384R1_ENABLED
+depends_on:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_BP384R1_ENABLED
 pk_psa_sign:MBEDTLS_ECP_DP_BP384R1:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_BRAINPOOL_P_R1):384
 
 PSA wrapped sign: BP512R1
-depends_on:MBEDTLS_ECP_DP_BP512R1_ENABLED
+depends_on:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_BP512R1_ENABLED
 pk_psa_sign:MBEDTLS_ECP_DP_BP512R1:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_BRAINPOOL_P_R1):512
 
+PSA wrapped sign: RSA PKCS1 v1.5
+depends_on:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_GENPRIME
+pk_psa_sign:512:PSA_KEY_TYPE_RSA_KEY_PAIR:512
+
 PK Sign ext:RSA2048,PK_RSA,MD_SHA256
 depends_on:MBEDTLS_PKCS1_V15:MBEDTLS_SHA256_C:MBEDTLS_RSA_C
 pk_psa_sign_ext:MBEDTLS_PK_RSA:2048:MBEDTLS_PK_RSA:MBEDTLS_MD_SHA256
diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index fe2a001..7f2b2b8 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -1043,14 +1043,13 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_SHA256_C:MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_ECDSA_C */
+/* BEGIN_CASE depends_on:MBEDTLS_SHA256_C:MBEDTLS_USE_PSA_CRYPTO */
 void pk_psa_sign( int parameter_arg,
                   int psa_type_arg, int expected_bits_arg )
 {
-    mbedtls_ecp_group_id grpid = parameter_arg;
     mbedtls_pk_context pk;
     unsigned char hash[32];
-    unsigned char sig[MBEDTLS_ECDSA_MAX_LEN];
+    unsigned char sig[MBEDTLS_PK_SIGNATURE_MAX_SIZE];
     unsigned char pkey_legacy[200];
     unsigned char pkey_psa[200];
     unsigned char *pkey_legacy_start, *pkey_psa_start;
@@ -1063,7 +1062,7 @@
 
     /*
      * This tests making signatures with a wrapped PSA key:
-     * - generate a fresh ECP legacy PK context
+     * - generate a fresh ECP/RSA legacy PK context
      * - wrap it in a PK context and make a signature this way
      * - extract the public key
      * - parse it to a PK context and verify the signature this way
@@ -1071,13 +1070,38 @@
 
     PSA_ASSERT( psa_crypto_init( ) );
 
-    /* Create legacy EC public/private key in PK context. */
-    mbedtls_pk_init( &pk );
-    TEST_ASSERT( mbedtls_pk_setup( &pk,
-                      mbedtls_pk_info_from_type( MBEDTLS_PK_ECKEY ) ) == 0 );
-    TEST_ASSERT( mbedtls_ecp_gen_key( grpid,
-                                      (mbedtls_ecp_keypair*) pk.pk_ctx,
-                                      mbedtls_test_rnd_std_rand, NULL ) == 0 );
+#if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_GENPRIME)
+    if( PSA_KEY_TYPE_IS_RSA( psa_type_arg ) )
+    {
+        /* Create legacy RSA public/private key in PK context. */
+        mbedtls_pk_init( &pk );
+        TEST_ASSERT( mbedtls_pk_setup( &pk,
+                        mbedtls_pk_info_from_type( MBEDTLS_PK_RSA ) ) == 0 );
+        TEST_ASSERT( mbedtls_rsa_gen_key( mbedtls_pk_rsa( pk ),
+                        mbedtls_test_rnd_std_rand, NULL,
+                        parameter_arg, 3 ) == 0 );
+    }
+    else
+#endif /* MBEDTLS_RSA_C && MBEDTLS_GENPRIME */
+#if defined(MBEDTLS_ECDSA_C)
+    if( PSA_KEY_TYPE_IS_ECC_KEY_PAIR( psa_type_arg ) )
+    {
+        mbedtls_ecp_group_id grpid = parameter_arg;
+
+        /* Create legacy EC public/private key in PK context. */
+        mbedtls_pk_init( &pk );
+        TEST_ASSERT( mbedtls_pk_setup( &pk,
+                        mbedtls_pk_info_from_type( MBEDTLS_PK_ECKEY ) ) == 0 );
+        TEST_ASSERT( mbedtls_ecp_gen_key( grpid,
+                        (mbedtls_ecp_keypair*) pk.pk_ctx,
+                        mbedtls_test_rnd_std_rand, NULL ) == 0 );
+    }
+    else
+#endif /* MBEDTLS_ECDSA_C */
+    {
+        (void) parameter_arg;
+        TEST_ASSUME( ! "Opaque PK key not supported in this configuration" );
+    }
 
     /* Export underlying public key for re-importing in a legacy context. */
     ret = mbedtls_pk_write_pubkey_der( &pk, pkey_legacy,