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Use hsslms data for LMOTS import/export test

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Also, test that export fails when the buffer is too small.

Signed-off-by: Raef Coles <raef.coles@arm.com>
This commit is contained in:
Raef Coles 2022-10-12 09:36:58 +01:00
parent 8b55ba623e
commit 66edf6a833
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GPG key ID: 1AAF1B43DF2086F4
2 changed files with 34 additions and 13 deletions
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8
tests/suites/test_suite_lmots.data
View file

@ -104,10 +104,10 @@ LMOTS negative test (invalid type) #2
lmots_verify_test:"0000000000000000000000000000000000000000":"0000000300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000":"0000000300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000":MBEDTLS_ERR_LMS_BAD_INPUT_DATA
LMOTS key import / export test
# This test uses a randomly generated LMOTS public key. It imports the key, and
# then exports it, and verifies that the exported key is identical to the
# original key.
lmots_import_export_test:"000000048440BBD3F47A167DD2D0E446DBCEA774000000138686E25BC07C69B43A2D3B7165DFF85C134177C876EA47D96FEF069BC96A981A"
# This test uses the valid public key for hsslms interop test 1, imports it, and
# then exports it. It also checks if the export correctly fails when the export
# buffer is too small.
lmots_import_export_test:"0000000447cc5b29dd0cecd01c382434a6d1686400000001f337dde97685d008a4440b59550277390018d3f1d485fa4b8c91796032de494b":0
LMOTS key reuse test
# This test uses a fixed message, and then generates a private key, signs the

39
tests/suites/test_suite_lmots.function
View file

@ -146,20 +146,41 @@ exit:
/* END_CASE */
/* BEGIN_CASE */
void lmots_import_export_test ( data_t * pub_key )
void lmots_import_export_test ( data_t * pub_key, int expected_import_rc )
{
mbedtls_lmots_public_t ctx;
uint8_t exported_pub_key[MBEDTLS_LMOTS_PUBLIC_KEY_LEN(MBEDTLS_LMOTS_SHA256_N32_W8)];
size_t exported_pub_key_len;
unsigned char *exported_pub_key = NULL;
size_t exported_pub_key_buf_size;
size_t exported_pub_key_size;
mbedtls_lmots_public_init( &ctx );
TEST_EQUAL( mbedtls_lmots_import_public_key( &ctx, pub_key->x, pub_key->len ), 0 );
TEST_EQUAL( mbedtls_lmots_export_public_key( &ctx, exported_pub_key,
sizeof( exported_pub_key ),
&exported_pub_key_len ), 0 );
TEST_EQUAL( mbedtls_lmots_import_public_key( &ctx, pub_key->x, pub_key->len ),
expected_import_rc );
ASSERT_COMPARE( pub_key->x, pub_key->len,
exported_pub_key, exported_pub_key_len );
if( expected_import_rc == 0 )
{
exported_pub_key_buf_size = MBEDTLS_LMOTS_PUBLIC_KEY_LEN(MBEDTLS_LMOTS_SHA256_N32_W8);
ASSERT_ALLOC( exported_pub_key, exported_pub_key_buf_size );
TEST_EQUAL( mbedtls_lmots_export_public_key( &ctx, exported_pub_key,
exported_pub_key_buf_size,
&exported_pub_key_size ), 0 );
TEST_EQUAL( exported_pub_key_buf_size, exported_pub_key_size );
ASSERT_COMPARE( pub_key->x, MBEDTLS_LMOTS_PUBLIC_KEY_LEN(MBEDTLS_LMOTS_SHA256_N32_W8),
exported_pub_key, MBEDTLS_LMOTS_PUBLIC_KEY_LEN(MBEDTLS_LMOTS_SHA256_N32_W8) );
mbedtls_free(exported_pub_key);
exported_pub_key = NULL;
/* Export into too-small buffer should fail */
exported_pub_key_buf_size = MBEDTLS_LMOTS_PUBLIC_KEY_LEN(MBEDTLS_LMOTS_SHA256_N32_W8) - 1;
ASSERT_ALLOC( exported_pub_key, exported_pub_key_buf_size);
TEST_EQUAL( mbedtls_lmots_export_public_key( &ctx, exported_pub_key,
exported_pub_key_buf_size, NULL ),
MBEDTLS_ERR_LMS_BUFFER_TOO_SMALL );
mbedtls_free(exported_pub_key);
exported_pub_key = NULL;
}
exit:
mbedtls_lmots_public_free( &ctx );