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ci(test): add SHA DMA mode test for large data in PSRAM
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Covers a test scenario described in following issue:
#11915
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mahavirj committed Aug 2, 2023
1 parent 2aa5963 commit 847722e
Showing 1 changed file with 34 additions and 0 deletions.
34 changes: 34 additions & 0 deletions components/mbedtls/test/test_mbedtls_sha.c
Original file line number Diff line number Diff line change
Expand Up @@ -510,6 +510,40 @@ TEST_CASE("mbedtls SHA256 PSRAM DMA", "[mbedtls]")
TEST_ASSERT_EQUAL_STRING(expected_hash, hash_str);

}

#if SOC_SHA_SUPPORT_DMA
TEST_CASE("mbedtls SHA256 PSRAM DMA large buffer", "[hw_crypto]")
{
mbedtls_sha256_context sha256_ctx;
unsigned char sha256[32];

const size_t SZ = 257984; // specific size to cover issue in https://github.com/espressif/esp-idf/issues/11915
void *buffer = heap_caps_malloc(SZ, MALLOC_CAP_8BIT | MALLOC_CAP_SPIRAM);
TEST_ASSERT_NOT_NULL(buffer);
memset(buffer, 0x55, SZ);

mbedtls_sha256_init(&sha256_ctx);
int r = mbedtls_sha256_starts(&sha256_ctx, false);
TEST_ASSERT_EQUAL(0, r);
r = mbedtls_sha256_update(&sha256_ctx, buffer, SZ);
TEST_ASSERT_EQUAL(0, r);
r = mbedtls_sha256_finish(&sha256_ctx, sha256);
TEST_ASSERT_EQUAL(0, r);
mbedtls_sha256_free(&sha256_ctx);
free(buffer);

/* Check the result. Reference value can be calculated using:
* dd if=/dev/zero bs=257984 count=1 | tr '\000' '\125' | sha256sum
*/
const char *expected_hash = "f2330c9f81ff1c8f0515247faa82be8b6f9685601de6f5dae79172766f136c33";

char hash_str[sizeof(sha256) * 2 + 1];
utils_bin2hex(hash_str, sizeof(hash_str), sha256, sizeof(sha256));

TEST_ASSERT_EQUAL_STRING(expected_hash, hash_str);
}
#endif // SOC_SHA_SUPPORT_DMA

#endif //CONFIG_SPIRAM_USE_MALLOC

#if CONFIG_ESP_SYSTEM_RTC_FAST_MEM_AS_HEAP_DEPCHECK
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