diff --git a/ChangeLog.d/fix-psa_gen_key-status.txt b/ChangeLog.d/fix-psa_gen_key-status.txt
new file mode 100644
index 0000000..7860988
--- /dev/null
+++ b/ChangeLog.d/fix-psa_gen_key-status.txt
@@ -0,0 +1,2 @@
+Bugfix
+   * Fix the error returned by psa_generate_key() for a public key. Fixes #4551.
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index adcb0cc..818ff9e 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -5230,6 +5230,10 @@
     if( psa_get_key_bits( attributes ) == 0 )
         return( PSA_ERROR_INVALID_ARGUMENT );
 
+    /* Reject any attempt to create a public key. */
+    if( PSA_KEY_TYPE_IS_PUBLIC_KEY(attributes->core.type) )
+        return( PSA_ERROR_INVALID_ARGUMENT );
+
     status = psa_start_key_creation( PSA_KEY_CREATION_GENERATE, attributes,
                                      &slot, &driver );
     if( status != PSA_SUCCESS )
diff --git a/tests/scripts/generate_psa_tests.py b/tests/scripts/generate_psa_tests.py
index 441b1c2..64c43b2 100755
--- a/tests/scripts/generate_psa_tests.py
+++ b/tests/scripts/generate_psa_tests.py
@@ -149,8 +149,30 @@
     tc.set_arguments([key_type] + list(args))
     return tc
 
+def test_case_for_key_type_invalid_argument(
+        verb: str, key_type: str, bits: int,
+        dependencies: List[str],
+        *args: str,
+        param_descr: str = ''
+) -> test_case.TestCase:
+    """Return one test case exercising a key creation method
+    for an invalid argument when key is public.
+    """
+    hack_dependencies_not_implemented(dependencies)
+    tc = test_case.TestCase()
+    short_key_type = re.sub(r'PSA_(KEY_TYPE|ECC_FAMILY)_', r'', key_type)
+    adverb = 'not' if dependencies else 'never'
+    if param_descr:
+        adverb = param_descr + ' ' + adverb
+    tc.set_description('PSA {} {} {}-bit invalid argument'
+                       .format(verb, short_key_type, bits))
+    tc.set_function(verb + '_invalid_argument')
+    tc.set_dependencies(dependencies)
+    tc.set_arguments([key_type] + list(args))
+    return tc
+
 class NotSupported:
-    """Generate test cases for when something is not supported."""
+    """Generate test cases for when something is not supported or argument is inavlid."""
 
     def __init__(self, info: Information) -> None:
         self.constructors = info.constructors
@@ -165,11 +187,13 @@
             param: Optional[int] = None,
             param_descr: str = '',
     ) -> Iterator[test_case.TestCase]:
-        """Return test cases exercising key creation when the given type is unsupported.
+        """Return test cases exercising key creation when the given type is unsupported
+        or argument is invalid.
 
         If param is present and not None, emit test cases conditioned on this
         parameter not being supported. If it is absent or None, emit test cases
-        conditioned on the base type not being supported.
+        conditioned on the base type not being supported. If key is public emit test
+        case for invalid argument.
         """
         if kt.name in self.ALWAYS_SUPPORTED:
             # Don't generate test cases for key types that are always supported.
@@ -197,12 +221,20 @@
                 # supported or not depending on implementation capabilities,
                 # only generate the test case once.
                 continue
-            yield test_case_for_key_type_not_supported(
-                'generate', kt.expression, bits,
-                finish_family_dependencies(generate_dependencies, bits),
-                str(bits),
-                param_descr=param_descr,
-            )
+            if kt.name.endswith('_PUBLIC_KEY'):
+                yield test_case_for_key_type_invalid_argument(
+                    'generate', kt.expression, bits,
+                    finish_family_dependencies(generate_dependencies, bits),
+                    str(bits),
+                    param_descr=param_descr,
+                )
+            else:
+                yield test_case_for_key_type_not_supported(
+                    'generate', kt.expression, bits,
+                    finish_family_dependencies(generate_dependencies, bits),
+                    str(bits),
+                    param_descr=param_descr,
+                )
             # To be added: derive
 
     ECC_KEY_TYPES = ('PSA_KEY_TYPE_ECC_KEY_PAIR',
@@ -223,7 +255,6 @@
                 yield from self.test_cases_for_key_type_not_supported(
                     kt, 0, param_descr='curve')
 
-
 class StorageKey(psa_storage.Key):
     """Representation of a key for storage format testing."""
 
diff --git a/tests/suites/test_suite_psa_crypto.data b/tests/suites/test_suite_psa_crypto.data
index 03e4a27..580f90d 100644
--- a/tests/suites/test_suite_psa_crypto.data
+++ b/tests/suites/test_suite_psa_crypto.data
@@ -3717,7 +3717,7 @@
 
 PSA generate key: bad type (RSA public key)
 depends_on:PSA_WANT_KEY_TYPE_RSA_PUBLIC_KEY
-generate_key:PSA_KEY_TYPE_RSA_PUBLIC_KEY:512:PSA_KEY_USAGE_EXPORT:0:PSA_ERROR_NOT_SUPPORTED:0
+generate_key:PSA_KEY_TYPE_RSA_PUBLIC_KEY:512:PSA_KEY_USAGE_EXPORT:0:PSA_ERROR_INVALID_ARGUMENT:0
 
 PSA generate key: raw data, 0 bits: invalid argument
 # The spec allows either INVALID_ARGUMENT or NOT_SUPPORTED
diff --git a/tests/suites/test_suite_psa_crypto_not_supported.function b/tests/suites/test_suite_psa_crypto_not_supported.function
index e3253d8..0665230 100644
--- a/tests/suites/test_suite_psa_crypto_not_supported.function
+++ b/tests/suites/test_suite_psa_crypto_not_supported.function
@@ -50,3 +50,22 @@
     PSA_DONE( );
 }
 /* END_CASE */
+
+/* BEGIN_CASE */
+void generate_invalid_argument( int key_type, int bits )
+{
+    psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+    mbedtls_svc_key_id_t key_id = INVALID_KEY_ID;
+
+    PSA_ASSERT( psa_crypto_init( ) );
+    psa_set_key_type( &attributes, key_type );
+    psa_set_key_bits( &attributes, bits );
+    TEST_EQUAL( psa_generate_key( &attributes, &key_id ),
+                PSA_ERROR_INVALID_ARGUMENT );
+    TEST_ASSERT( mbedtls_svc_key_id_equal( key_id, MBEDTLS_SVC_KEY_ID_INIT ) );
+
+exit:
+    psa_destroy_key( key_id );
+    PSA_DONE( );
+}
+/* END_CASE */
diff --git a/tests/suites/test_suite_psa_crypto_not_supported.generated.data b/tests/suites/test_suite_psa_crypto_not_supported.generated.data
index e39c8ed..07780a9 100644
--- a/tests/suites/test_suite_psa_crypto_not_supported.generated.data
+++ b/tests/suites/test_suite_psa_crypto_not_supported.generated.data
@@ -172,15 +172,15 @@
 depends_on:!PSA_WANT_KEY_TYPE_RSA_PUBLIC_KEY
 import_not_supported:PSA_KEY_TYPE_RSA_PUBLIC_KEY:"30818902818100af057d396ee84fb75fdbb5c2b13c7fe5a654aa8aa2470b541ee1feb0b12d25c79711531249e1129628042dbbb6c120d1443524ef4c0e6e1d8956eeb2077af12349ddeee54483bc06c2c61948cd02b202e796aebd94d3a7cbf859c2c1819c324cb82b9cd34ede263a2abffe4733f077869e8660f7d6834da53d690ef7985f6bc30203010001"
 
-PSA generate RSA_PUBLIC_KEY 1024-bit never supported
-generate_not_supported:PSA_KEY_TYPE_RSA_PUBLIC_KEY:1024
+PSA generate RSA_PUBLIC_KEY 1024-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_RSA_PUBLIC_KEY:1024
 
 PSA import RSA_PUBLIC_KEY 1536-bit not supported
 depends_on:!PSA_WANT_KEY_TYPE_RSA_PUBLIC_KEY
 import_not_supported:PSA_KEY_TYPE_RSA_PUBLIC_KEY:"3081c90281c100c870feb6ca6b1d2bd9f2dd99e20f1fe2d7e5192de662229dbe162bd1ba66336a7182903ca0b72796cd441c83d24bcdc3e9a2f5e4399c8a043f1c3ddf04754a66d4cfe7b3671a37dd31a9b4c13bfe06ee90f9d94ddaa06de67a52ac863e68f756736ceb014405a6160579640f831dddccc34ad0b05070e3f9954a58d1815813e1b83bcadba814789c87f1ef2ba5d738b793ec456a67360eea1b5faf1c7cc7bf24f3b2a9d0f8958b1096e0f0c335f8888d0c63a51c3c0337214fa3f5efdf6dcc350203010001"
 
-PSA generate RSA_PUBLIC_KEY 1536-bit never supported
-generate_not_supported:PSA_KEY_TYPE_RSA_PUBLIC_KEY:1536
+PSA generate RSA_PUBLIC_KEY 1536-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_RSA_PUBLIC_KEY:1536
 
 PSA import ECC_KEY_PAIR(BRAINPOOL_P_R1) 160-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_KEY_PAIR:PSA_WANT_ECC_BRAINPOOL_P_R1_160:DEPENDENCY_NOT_IMPLEMENTED_YET
@@ -298,50 +298,50 @@
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_BRAINPOOL_P_R1_160:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):"04d4b9186816358e2f9c59cf70748cb70641b22fbab65473db4b4e22a361ed7e3de7e8a8ddc4130c5c"
 
-PSA generate ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 160-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):160
+PSA generate ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 160-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):160
 
 PSA import ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 192-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_BRAINPOOL_P_R1_192:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):"043fdd168c179ff5363dd71dcd58de9617caad791ae0c37328be9ca0bfc79cebabf6a95d1c52df5b5f3c8b1a2441cf6c88"
 
-PSA generate ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 192-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):192
+PSA generate ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 192-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):192
 
 PSA import ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 224-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_BRAINPOOL_P_R1_224:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):"045fbea378fc8583b3837e3f21a457c31eaf20a54e18eb11d104b3adc47f9d1c97eb9ea4ac21740d70d88514b98bf0bc31addac1d19c4ab3cc"
 
-PSA generate ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 224-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):224
+PSA generate ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 224-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):224
 
 PSA import ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 256-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_BRAINPOOL_P_R1_256
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):"04768c8cae4abca6306db0ed81b0c4a6215c378066ec6d616c146e13f1c7df809b96ab6911c27d8a02339f0926840e55236d3d1efbe2669d090e4c4c660fada91d"
 
-PSA generate ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 256-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):256
+PSA generate ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 256-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):256
 
 PSA import ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 320-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_BRAINPOOL_P_R1_320:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):"049caed8fb4742956cc2ad12a9a1c995e21759ef26a07bc2054136d3d2f28bb331a70e26c4c687275ab1f434be7871e115d2350c0c5f61d4d06d2bcdb67f5cb63fdb794e5947c87dc6849a58694e37e6cd"
 
-PSA generate ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 320-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):320
+PSA generate ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 320-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):320
 
 PSA import ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 384-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_BRAINPOOL_P_R1_384
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):"04719f9d093a627e0d350385c661cebf00c61923566fe9006a3107af1d871bc6bb68985fd722ea32be316f8e783b7cd1957785f66cfc0cb195dd5c99a8e7abaa848553a584dfd2b48e76d445fe00dd8be59096d877d4696d23b4bc8db14724e66a"
 
-PSA generate ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 384-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):384
+PSA generate ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 384-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):384
 
 PSA import ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 512-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_BRAINPOOL_P_R1_512
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):"0438b7ec92b61c5c6c7fbc28a4ec759d48fcd4e2e374defd5c4968a54dbef7510e517886fbfc38ea39aa529359d70a7156c35d3cbac7ce776bdb251dd64bce71234424ee7049eed072f0dbc4d79996e175d557e263763ae97095c081e73e7db2e38adc3d4c9a0487b1ede876dc1fca61c902e9a1d8722b8612928f18a24845591a"
 
-PSA generate ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 512-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):512
+PSA generate ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 512-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_BRAINPOOL_P_R1):512
 
 PSA import ECC_PUBLIC_KEY(BRAINPOOL_P_R1) 160-bit curve not supported
 depends_on:PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:!PSA_WANT_ECC_BRAINPOOL_P_R1_160:DEPENDENCY_NOT_IMPLEMENTED_YET
@@ -407,15 +407,15 @@
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_MONTGOMERY_255
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_MONTGOMERY):"8520f0098930a754748b7ddcb43ef75a0dbf3a0d26381af4eba4a98eaa9b4e6a"
 
-PSA generate ECC_PUBLIC_KEY(MONTGOMERY) 255-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_MONTGOMERY):255
+PSA generate ECC_PUBLIC_KEY(MONTGOMERY) 255-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_MONTGOMERY):255
 
 PSA import ECC_PUBLIC_KEY(MONTGOMERY) 448-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_MONTGOMERY_448
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_MONTGOMERY):"c0d3a5a2b416a573dc9909f92f134ac01323ab8f8e36804e578588ba2d09fe7c3e737f771ca112825b548a0ffded6d6a2fd09a3e77dec30e"
 
-PSA generate ECC_PUBLIC_KEY(MONTGOMERY) 448-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_MONTGOMERY):448
+PSA generate ECC_PUBLIC_KEY(MONTGOMERY) 448-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_MONTGOMERY):448
 
 PSA import ECC_PUBLIC_KEY(MONTGOMERY) 255-bit curve not supported
 depends_on:PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:!PSA_WANT_ECC_MONTGOMERY_255
@@ -477,22 +477,22 @@
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECP_K1_192
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_K1):"0426b7bb38da649ac2138fc050c6548b32553dab68afebc36105d325b75538c12323cb0764789ecb992671beb2b6bef2f5"
 
-PSA generate ECC_PUBLIC_KEY(SECP_K1) 192-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_K1):192
+PSA generate ECC_PUBLIC_KEY(SECP_K1) 192-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_K1):192
 
 PSA import ECC_PUBLIC_KEY(SECP_K1) 224-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECP_K1_224
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_K1):"042cc7335f4b76042bed44ef45959a62aa215f7a5ff0c8111b8c44ed654ee71c1918326ad485b2d599fe2a6eab096ee26d977334d2bac6d61d"
 
-PSA generate ECC_PUBLIC_KEY(SECP_K1) 224-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_K1):224
+PSA generate ECC_PUBLIC_KEY(SECP_K1) 224-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_K1):224
 
 PSA import ECC_PUBLIC_KEY(SECP_K1) 256-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECP_K1_256
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_K1):"045c39154579efd667adc73a81015a797d2c8682cdfbd3c3553c4a185d481cdc50e42a0e1cbc3ca29a32a645e927f54beaed14c9dbbf8279d725f5495ca924b24d"
 
-PSA generate ECC_PUBLIC_KEY(SECP_K1) 256-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_K1):256
+PSA generate ECC_PUBLIC_KEY(SECP_K1) 256-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_K1):256
 
 PSA import ECC_PUBLIC_KEY(SECP_K1) 192-bit curve not supported
 depends_on:PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:!PSA_WANT_ECC_SECP_K1_192
@@ -574,29 +574,29 @@
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECP_R1_225:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_R1):"046f00eadaa949fee3e9e1c7fa1247eecec86a0dce46418b9bd3117b981d4bd0ae7a990de912f9d060d6cb531a42d22e394ac29e81804bf160"
 
-PSA generate ECC_PUBLIC_KEY(SECP_R1) 225-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_R1):225
+PSA generate ECC_PUBLIC_KEY(SECP_R1) 225-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_R1):225
 
 PSA import ECC_PUBLIC_KEY(SECP_R1) 256-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECP_R1_256
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_R1):"047772656f814b399279d5e1f1781fac6f099a3c5ca1b0e35351834b08b65e0b572590cdaf8f769361bcf34acfc11e5e074e8426bdde04be6e653945449617de45"
 
-PSA generate ECC_PUBLIC_KEY(SECP_R1) 256-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_R1):256
+PSA generate ECC_PUBLIC_KEY(SECP_R1) 256-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_R1):256
 
 PSA import ECC_PUBLIC_KEY(SECP_R1) 384-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECP_R1_384
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_R1):"04d9c662b50ba29ca47990450e043aeaf4f0c69b15676d112f622a71c93059af999691c5680d2b44d111579db12f4a413a2ed5c45fcfb67b5b63e00b91ebe59d09a6b1ac2c0c4282aa12317ed5914f999bc488bb132e8342cc36f2ca5e3379c747"
 
-PSA generate ECC_PUBLIC_KEY(SECP_R1) 384-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_R1):384
+PSA generate ECC_PUBLIC_KEY(SECP_R1) 384-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_R1):384
 
 PSA import ECC_PUBLIC_KEY(SECP_R1) 521-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECP_R1_521
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_R1):"04001de142d54f69eb038ee4b7af9d3ca07736fd9cf719eb354d69879ee7f3c136fb0fbf9f08f86be5fa128ec1a051d3e6c643e85ada8ffacf3663c260bd2c844b6f5600cee8e48a9e65d09cadd89f235dee05f3b8a646be715f1f67d5b434e0ff23a1fc07ef7740193e40eeff6f3bcdfd765aa9155033524fe4f205f5444e292c4c2f6ac1"
 
-PSA generate ECC_PUBLIC_KEY(SECP_R1) 521-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_R1):521
+PSA generate ECC_PUBLIC_KEY(SECP_R1) 521-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_R1):521
 
 PSA import ECC_PUBLIC_KEY(SECP_R1) 225-bit curve not supported
 depends_on:PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:!PSA_WANT_ECC_SECP_R1_225:DEPENDENCY_NOT_IMPLEMENTED_YET
@@ -634,8 +634,8 @@
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECP_R2_160:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_R2):"049570d541398665adb5cfa16f5af73b3196926bbd4b876bdb80f8eab20d0f540c22f4de9c140f6d7b"
 
-PSA generate ECC_PUBLIC_KEY(SECP_R2) 160-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_R2):160
+PSA generate ECC_PUBLIC_KEY(SECP_R2) 160-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECP_R2):160
 
 PSA import ECC_PUBLIC_KEY(SECP_R2) 160-bit curve not supported
 depends_on:PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:!PSA_WANT_ECC_SECP_R2_160:DEPENDENCY_NOT_IMPLEMENTED_YET
@@ -741,43 +741,43 @@
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECT_K1_163:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):"0406f88f90b4b65950f06ce433afdb097e320f433dc2062b8a65db8fafd3c110f46bc45663fbf021ee7eb9"
 
-PSA generate ECC_PUBLIC_KEY(SECT_K1) 163-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):163
+PSA generate ECC_PUBLIC_KEY(SECT_K1) 163-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):163
 
 PSA import ECC_PUBLIC_KEY(SECT_K1) 233-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECT_K1_233:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):"0401e9d7189189f773bd8f71be2c10774ba18842434dfa9312595ea545104400f45a9d5675647513ba75b079fe66a29daac2ec86a6a5d4e75c5f290c1f"
 
-PSA generate ECC_PUBLIC_KEY(SECT_K1) 233-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):233
+PSA generate ECC_PUBLIC_KEY(SECT_K1) 233-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):233
 
 PSA import ECC_PUBLIC_KEY(SECT_K1) 239-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECT_K1_239:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):"04068d76b9f4508762c2379db9ee8b87ad8d86d9535132ffba3b5680440cfa28eb133d4232faf1c9aba96af11aefe634a551440800d5f8185105d3072d"
 
-PSA generate ECC_PUBLIC_KEY(SECT_K1) 239-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):239
+PSA generate ECC_PUBLIC_KEY(SECT_K1) 239-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):239
 
 PSA import ECC_PUBLIC_KEY(SECT_K1) 283-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECT_K1_283:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):"0405f48374debceaadb46ba385fd92048fcc5b9af1a1c90408bf94a68b9378df1cbfdfb6fb026a96bea06d8f181bf10c020adbcc88b6ecff96bdc564a9649c247cede601c4be63afc3"
 
-PSA generate ECC_PUBLIC_KEY(SECT_K1) 283-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):283
+PSA generate ECC_PUBLIC_KEY(SECT_K1) 283-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):283
 
 PSA import ECC_PUBLIC_KEY(SECT_K1) 409-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECT_K1_409:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):"04012c587f69f68b308ba6dcb238797f4e22290ca939ae806604e2b5ab4d9caef5a74a98fd87c4f88d292dd39d92e556e16c6ecc3c019a105826eef507cd9a04119f54d5d850b3720b3792d5d03410e9105610f7e4b420166ed45604a7a1f229d80975ba6be2060e8b"
 
-PSA generate ECC_PUBLIC_KEY(SECT_K1) 409-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):409
+PSA generate ECC_PUBLIC_KEY(SECT_K1) 409-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):409
 
 PSA import ECC_PUBLIC_KEY(SECT_K1) 571-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECT_K1_571:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):"04050172a7fd7adf98e4e2ed2742faa5cd12731a15fb0dbbdf75b1c3cc771a4369af6f2fa00e802735650881735759ea9c79961ded18e0daa0ac59afb1d513b5bbda9962e435f454fc020b4afe1445c2302ada07d295ec2580f8849b2dfa7f956b09b4cbe4c88d3b1c217049f75d3900d36df0fa12689256b58dd2ef784ebbeb0564600cf47a841485f8cf897a68accd5a"
 
-PSA generate ECC_PUBLIC_KEY(SECT_K1) 571-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):571
+PSA generate ECC_PUBLIC_KEY(SECT_K1) 571-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_K1):571
 
 PSA import ECC_PUBLIC_KEY(SECT_K1) 163-bit curve not supported
 depends_on:PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:!PSA_WANT_ECC_SECT_K1_163:DEPENDENCY_NOT_IMPLEMENTED_YET
@@ -887,36 +887,36 @@
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECT_R1_163:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R1):"0400465eeb9e7258b11e33c02266bfe834b20bcb118700772796ee4704ec67651bd447e3011959a79a04cb"
 
-PSA generate ECC_PUBLIC_KEY(SECT_R1) 163-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R1):163
+PSA generate ECC_PUBLIC_KEY(SECT_R1) 163-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R1):163
 
 PSA import ECC_PUBLIC_KEY(SECT_R1) 233-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECT_R1_233:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R1):"0400cd68c8af4430c92ec7a7048becfdf00a6bae8d1b4c37286f2d336f2a0e017eca3748f4ad6d435c85867aa014eea1bd6d9d005bbd8319cab629001d"
 
-PSA generate ECC_PUBLIC_KEY(SECT_R1) 233-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R1):233
+PSA generate ECC_PUBLIC_KEY(SECT_R1) 233-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R1):233
 
 PSA import ECC_PUBLIC_KEY(SECT_R1) 283-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECT_R1_283:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R1):"04052f9ff887254c2d1440ba9e30f13e2185ba53c373b2c410dae21cf8c167f796c08134f601cbc4c570bffbc2433082cf4d9eb5ba173ecb8caec15d66a02673f60807b2daa729b765"
 
-PSA generate ECC_PUBLIC_KEY(SECT_R1) 283-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R1):283
+PSA generate ECC_PUBLIC_KEY(SECT_R1) 283-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R1):283
 
 PSA import ECC_PUBLIC_KEY(SECT_R1) 409-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECT_R1_409:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R1):"0401aa25466b1d291846db365957b25431591e50d9c109fe2106e93bb369775896925b15a7bfec397406ab4fe6f6b1a13bf8fdcb9300fa5500a813228676b0a6c572ed96b0f4aec7e87832e7e20f17ca98ecdfd36f59c82bddb8665f1f357a73900e827885ec9e1f22"
 
-PSA generate ECC_PUBLIC_KEY(SECT_R1) 409-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R1):409
+PSA generate ECC_PUBLIC_KEY(SECT_R1) 409-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R1):409
 
 PSA import ECC_PUBLIC_KEY(SECT_R1) 571-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECT_R1_571:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R1):"040708f3403ee9948114855c17572152a08f8054d486defef5f29cbffcfb7cfd9280746a1ac5f751a6ad902ec1e0525120e9be56f03437af196fbe60ee7856e3542ab2cf87880632d80290e39b1a2bd03c6bbf6225511c567bd2ff41d2325dc58346f2b60b1feee4dc8b2af2296c2dc52b153e0556b5d24152b07f690c3fa24e4d1d19efbdeb1037833a733654d2366c74"
 
-PSA generate ECC_PUBLIC_KEY(SECT_R1) 571-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R1):571
+PSA generate ECC_PUBLIC_KEY(SECT_R1) 571-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R1):571
 
 PSA import ECC_PUBLIC_KEY(SECT_R1) 163-bit curve not supported
 depends_on:PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:!PSA_WANT_ECC_SECT_R1_163:DEPENDENCY_NOT_IMPLEMENTED_YET
@@ -958,8 +958,8 @@
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_SECT_R2_163:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R2):"0403692601144c32a6cfa369ae20ae5d43c1c764678c037bafe80c6fd2e42b7ced96171d9c5367fd3dca6f"
 
-PSA generate ECC_PUBLIC_KEY(SECT_R2) 163-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R2):163
+PSA generate ECC_PUBLIC_KEY(SECT_R2) 163-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_SECT_R2):163
 
 PSA import ECC_PUBLIC_KEY(SECT_R2) 163-bit curve not supported
 depends_on:PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:!PSA_WANT_ECC_SECT_R2_163:DEPENDENCY_NOT_IMPLEMENTED_YET
@@ -1001,15 +1001,15 @@
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_TWISTED_EDWARDS_255:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_TWISTED_EDWARDS):"d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a"
 
-PSA generate ECC_PUBLIC_KEY(TWISTED_EDWARDS) 255-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_TWISTED_EDWARDS):255
+PSA generate ECC_PUBLIC_KEY(TWISTED_EDWARDS) 255-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_TWISTED_EDWARDS):255
 
 PSA import ECC_PUBLIC_KEY(TWISTED_EDWARDS) 448-bit type not supported
 depends_on:!PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:PSA_WANT_ECC_TWISTED_EDWARDS_448:DEPENDENCY_NOT_IMPLEMENTED_YET
 import_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_TWISTED_EDWARDS):"5fd7449b59b461fd2ce787ec616ad46a1da1342485a70e1f8a0ea75d80e96778edf124769b46c7061bd6783df1e50f6cd1fa1abeafe8256180"
 
-PSA generate ECC_PUBLIC_KEY(TWISTED_EDWARDS) 448-bit type never supported
-generate_not_supported:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_TWISTED_EDWARDS):448
+PSA generate ECC_PUBLIC_KEY(TWISTED_EDWARDS) 448-bit invalid argument
+generate_invalid_argument:PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_FAMILY_TWISTED_EDWARDS):448
 
 PSA import ECC_PUBLIC_KEY(TWISTED_EDWARDS) 255-bit curve not supported
 depends_on:PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY:!PSA_WANT_ECC_TWISTED_EDWARDS_255:DEPENDENCY_NOT_IMPLEMENTED_YET