diff --git a/library/ecp.c b/library/ecp.c
index f5d43d5d63..d907587abd 100644
--- a/library/ecp.c
+++ b/library/ecp.c
@@ -3280,16 +3280,14 @@ int mbedtls_ecp_read_key(mbedtls_ecp_group_id grp_id, mbedtls_ecp_keypair *key,
                 );
         }
     }
-
 #endif
 #if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED)
     if (mbedtls_ecp_get_type(&key->grp) == MBEDTLS_ECP_TYPE_SHORT_WEIERSTRASS) {
         MBEDTLS_MPI_CHK(mbedtls_mpi_read_binary(&key->d, buf, buflen));
-
-        MBEDTLS_MPI_CHK(mbedtls_ecp_check_privkey(&key->grp, &key->d));
     }
-
 #endif
+    MBEDTLS_MPI_CHK(mbedtls_ecp_check_privkey(&key->grp, &key->d));
+
 cleanup:
 
     if (ret != 0) {
diff --git a/library/pkparse.c b/library/pkparse.c
index e3d84c266a..fa0570c070 100644
--- a/library/pkparse.c
+++ b/library/pkparse.c
@@ -654,7 +654,7 @@ static int pk_parse_key_rfc8410_der(mbedtls_pk_context *pk,
 #else /* MBEDTLS_PK_USE_PSA_EC_DATA */
     mbedtls_ecp_keypair *eck = mbedtls_pk_ec_rw(*pk);
 
-    if ((ret = mbedtls_mpi_read_binary_le(&eck->d, key, len)) != 0) {
+    if ((ret = mbedtls_ecp_read_key(eck->grp.id, eck, key, len)) != 0) {
         return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT, ret);
     }
 #endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
@@ -666,14 +666,6 @@ static int pk_parse_key_rfc8410_der(mbedtls_pk_context *pk,
         return ret;
     }
 
-    /* When MBEDTLS_PK_USE_PSA_EC_DATA the key is checked while importing it
-     * into PSA. */
-#if !defined(MBEDTLS_PK_USE_PSA_EC_DATA)
-    if ((ret = mbedtls_ecp_check_privkey(&eck->grp, &eck->d)) != 0) {
-        return ret;
-    }
-#endif /* !MBEDTLS_PK_USE_PSA_EC_DATA */
-
     return 0;
 }
 #endif /* MBEDTLS_PK_HAVE_RFC8410_CURVES */
@@ -1217,15 +1209,11 @@ static int pk_parse_key_sec1_der(mbedtls_pk_context *pk,
         return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT, ret);
     }
 
+    /* Keep a reference to the position fo the private key. It will be used
+     * later in this function. */
     d = p;
     d_len = len;
 
-#if !defined(MBEDTLS_PK_USE_PSA_EC_DATA)
-    if ((ret = mbedtls_mpi_read_binary(&eck->d, p, len)) != 0) {
-        return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT, ret);
-    }
-#endif
-
     p += len;
 
     pubkey_done = 0;
@@ -1245,6 +1233,13 @@ static int pk_parse_key_sec1_der(mbedtls_pk_context *pk,
         }
     }
 
+
+#if !defined(MBEDTLS_PK_USE_PSA_EC_DATA)
+    if ((ret = mbedtls_ecp_read_key(eck->grp.id, eck, d, d_len)) != 0) {
+        return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT, ret);
+    }
+#endif
+
     if (p != end) {
         /*
          * Is 'publickey' present? If not, or if we can't read it (eg because it
@@ -1307,12 +1302,6 @@ static int pk_parse_key_sec1_der(mbedtls_pk_context *pk,
         }
     }
 
-#if !defined(MBEDTLS_PK_USE_PSA_EC_DATA)
-    if ((ret = mbedtls_ecp_check_privkey(&eck->grp, &eck->d)) != 0) {
-        return ret;
-    }
-#endif /* !MBEDTLS_PK_USE_PSA_EC_DATA */
-
     return 0;
 }
 #endif /* MBEDTLS_PK_HAVE_ECC_KEYS */
diff --git a/tests/scripts/analyze_outcomes.py b/tests/scripts/analyze_outcomes.py
index a2b1356188..f3a14a9d43 100755
--- a/tests/scripts/analyze_outcomes.py
+++ b/tests/scripts/analyze_outcomes.py
@@ -248,21 +248,7 @@ TASKS = {
                     'ECP test vectors secp384r1 rfc 5114',
                     'ECP test vectors secp521r1 rfc 5114',
                 ],
-                'test_suite_pkparse': [
-                    # This is a known difference for Montgomery curves: in
-                    # reference component private keys are parsed using
-                    # mbedtls_mpi_read_binary_le(), while in driver version they
-                    # they are imported in PSA and there the parsing is done
-                    # through mbedtls_ecp_read_key(). Unfortunately the latter
-                    # fixes the errors which are intentionally set on the parsed
-                    # key and therefore the following test case is not failing
-                    # as expected.
-                    # This cause the following test to be guarded by ECP_C and
-                    # not being executed on the driver version.
-                    ('Key ASN1 (OneAsymmetricKey X25519, doesn\'t match masking '
-                     'requirements, from RFC8410 Appendix A but made into version 0)'),
-                ],
-            },
+            }
         }
     },
     'analyze_driver_vs_reference_no_ecp_at_all': {
@@ -298,10 +284,6 @@ TASKS = {
                     'PSA key derivation: bits=7 invalid for ECC SECT_R2 (ECC enabled)',
                 ],
                 'test_suite_pkparse': [
-                    # See description provided for the analyze_driver_vs_reference_all_ec_algs
-                    # case above.
-                    ('Key ASN1 (OneAsymmetricKey X25519, doesn\'t match masking '
-                     'requirements, from RFC8410 Appendix A but made into version 0)'),
                     # When PK_PARSE_C and ECP_C are defined then PK_PARSE_EC_COMPRESSED
                     # is automatically enabled in build_info.h (backward compatibility)
                     # even if it is disabled in config_psa_crypto_no_ecp_at_all(). As a
diff --git a/tests/suites/test_suite_pkparse.data b/tests/suites/test_suite_pkparse.data
index ed5a576552..8e272bd107 100644
--- a/tests/suites/test_suite_pkparse.data
+++ b/tests/suites/test_suite_pkparse.data
@@ -1196,29 +1196,47 @@ Key ASN1 (ECPrivateKey, empty parameters)
 depends_on:MBEDTLS_PK_HAVE_ECC_KEYS
 pk_parse_key:"30070201010400a000":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
 
-Key ASN1 (OneAsymmetricKey X25519, doesn't match masking requirements, from RFC8410 Appendix A but made into version 0)
-depends_on:MBEDTLS_ECP_C
-pk_parse_key:"302e020100300506032b656e04220420f8ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff3f":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
-
 Key ASN1 (OneAsymmetricKey X25519, with invalid optional AlgorithIdentifier parameters)
-depends_on:MBEDTLS_PK_HAVE_ECC_KEYS
+depends_on:MBEDTLS_PK_HAVE_ECC_KEYS:MBEDTLS_ECP_DP_CURVE25519_ENABLED
 pk_parse_key:"3030020100300706032b656e050004220420b06d829655543a51cba36e53522bc0acfd60af59466555fb3e1e796872ab1a59":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
 
 Key ASN1 (OneAsymmetricKey X25519, with NULL private key)
-depends_on:MBEDTLS_PK_HAVE_ECC_KEYS
+depends_on:MBEDTLS_PK_HAVE_ECC_KEYS:MBEDTLS_ECP_DP_CURVE25519_ENABLED
 pk_parse_key:"300e020100300506032b656e04020500":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
 
 Key ASN1 (OneAsymmetricKey with invalid AlgorithIdentifier)
 pk_parse_key:"3013020100300a06082b0601040181fd5904020500":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
 
 Key ASN1 (OneAsymmetricKey X25519, with unsupported attributes)
-depends_on:MBEDTLS_PK_HAVE_ECC_KEYS
+depends_on:MBEDTLS_PK_HAVE_ECC_KEYS:MBEDTLS_ECP_DP_CURVE25519_ENABLED
 pk_parse_key:"304f020100300506032b656e04220420b06d829655543a51cba36e53522bc0acfd60af59466555fb3e1e796872ab1a59a01f301d060a2a864886f70d01090914310f0c0d437572646c6520436861697273":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
 
 Key ASN1 (OneAsymmetricKey X25519, unsupported version 2 with public key)
-depends_on:MBEDTLS_PK_HAVE_ECC_KEYS
+depends_on:MBEDTLS_PK_HAVE_ECC_KEYS:MBEDTLS_ECP_DP_CURVE25519_ENABLED
 pk_parse_key:"3051020101300506032b656e04220420b06d829655543a51cba36e53522bc0acfd60af59466555fb3e1e796872ab1a598121009bc3b0e93d8233fe6a8ba6138948cc12a91362d5c2ed81584db05ab5419c9d11":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
 
 Key ASN1 (OneAsymmetricKey X25519, unsupported version 2 with public key and unsupported attributes)
-depends_on:MBEDTLS_PK_HAVE_ECC_KEYS
+depends_on:MBEDTLS_PK_HAVE_ECC_KEYS:MBEDTLS_ECP_DP_CURVE25519_ENABLED
 pk_parse_key:"3072020101300506032b656e04220420b06d829655543a51cba36e53522bc0acfd60af59466555fb3e1e796872ab1a59a01f301d060a2a864886f70d01090914310f0c0d437572646c65204368616972738121009bc3b0e93d8233fe6a8ba6138948cc12a91362d5c2ed81584db05ab5419c9d11":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
+
+# From RFC8410 Appendix A but made into version 0
+OneAsymmetricKey X25519, doesn't match masking requirements #1
+depends_on:MBEDTLS_ECP_DP_CURVE25519_ENABLED
+pk_parse_fix_montgomery:"302e020100300506032b656e04220420f8ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff3f":"302e020100300506032b656e04220420f8ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f"
+
+# Full inverse of the expected x25519 pattern:
+# - 3 LSb to 1
+# - 1st MSb to 1
+# - 2nd MSb to 0
+# Note: Montgomery keys are written in Little endian format.
+OneAsymmetricKey X25519, doesn't match masking requirements #2
+depends_on:MBEDTLS_ECP_DP_CURVE25519_ENABLED
+pk_parse_fix_montgomery:"302e020100300506032b656e04220420ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffbf":"302e020100300506032b656e04220420f8ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f"
+
+# Full inverse of the expected x448 pattern:
+# - 2 LSb to 1
+# - MSb to 0
+# Note: Montgomery keys are written in Little endian format.
+OneAsymmetricKey X448, doesn't match masking requirements #3
+depends_on:MBEDTLS_ECP_DP_CURVE448_ENABLED
+pk_parse_fix_montgomery:"3046020100300506032b656f043a0438ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f":"3046020100300506032b656f043a0438fcffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
diff --git a/tests/suites/test_suite_pkparse.function b/tests/suites/test_suite_pkparse.function
index fd098b043b..df139c60fc 100644
--- a/tests/suites/test_suite_pkparse.function
+++ b/tests/suites/test_suite_pkparse.function
@@ -3,6 +3,7 @@
 #include "mbedtls/pem.h"
 #include "mbedtls/oid.h"
 #include "mbedtls/ecp.h"
+#include "mbedtls/psa_util.h"
 #include "pk_internal.h"
 /* END_HEADER */
 
@@ -148,3 +149,39 @@ exit:
     USE_PSA_DONE();
 }
 /* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_PK_HAVE_ECC_KEYS:MBEDTLS_PK_WRITE_C */
+void pk_parse_fix_montgomery(data_t *input_key, data_t *exp_output)
+{
+    /* Montgomery keys have specific bits set to either 0 or 1 depending on
+     * their position. This is enforced during parsing (please see the implementation
+     * of mbedtls_ecp_read_key() for more details). The scope of this function
+     * is to verify this enforcing by feeding the parse algorithm with a x25519
+     * key which does not have those bits set properly. */
+    mbedtls_pk_context pk;
+    unsigned char *output_key = NULL;
+    size_t output_key_len = 0;
+
+    mbedtls_pk_init(&pk);
+    USE_PSA_INIT();
+
+    TEST_EQUAL(mbedtls_pk_parse_key(&pk, input_key->x, input_key->len, NULL, 0,
+                                    mbedtls_test_rnd_std_rand, NULL), 0);
+
+    output_key_len = input_key->len;
+    ASSERT_ALLOC(output_key, output_key_len);
+    /* output_key_len is updated with the real amount of data written to
+     * output_key buffer. */
+    output_key_len = mbedtls_pk_write_key_der(&pk, output_key, output_key_len);
+    TEST_ASSERT(output_key_len > 0);
+
+    ASSERT_COMPARE(exp_output->x, exp_output->len, output_key, output_key_len);
+
+exit:
+    if (output_key != NULL) {
+        mbedtls_free(output_key);
+    }
+    mbedtls_pk_free(&pk);
+    USE_PSA_DONE();
+}
+/* END_CASE */