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pk: test RSA decrypt with buffer too small

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Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
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Manuel Pégourié-Gonnard 2026-06-02 09:35:51 +02:00
parent 682d8f3e89
commit 689a05df0b
1 changed files with 6 additions and 0 deletions
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6
tests/suites/test_suite_pk.function
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@ -1546,6 +1546,12 @@ void pk_rsa_decrypt_test_vec(data_t *cipher, int mod, int padding, int md_alg,
if (ret == 0) {
TEST_ASSERT(olen == clear->len);
TEST_ASSERT(memcmp(output, clear->x, olen) == 0);
/* Try again with an output buffer that's too small */
TEST_EQUAL(mbedtls_pk_decrypt(&pk, cipher->x, cipher->len,
output, &olen, clear->len - 1,
mbedtls_test_rnd_pseudo_rand, &rnd_info),
MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE);
}
exit: