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test(mbedtls): add partial-block PSRAM coverage for AES

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Extend the CTR test data length to 6433 bytes so the trailing partial
block is exercised with external RAM buffers (which stalls the ESP32-S2
Crypto DMA on an unfixed driver).
This commit is contained in:
harshal.patil
2026-08-25 08:54:20 +05:30
parent c4075d6124
commit dd99e05dd1
2 changed files with 16 additions and 3 deletions
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components/mbedtls/test_apps/main/test_aes.c
+4
View File
@@ -664,7 +664,11 @@ void aes_psram_one_buf_ctr_test(void)
uint8_t nonce[16];
uint8_t key[16];
uint8_t stream_block[16];
#if CONFIG_MBEDTLS_HARDWARE_AES
size_t SZ = TEST_AES_CTR_DATA_LEN;
#else
size_t SZ = TEST_AES_CTR_DATA_LEN - (TEST_AES_CTR_DATA_LEN % 16);
#endif
size_t ALIGNMENT_SIZE_BYTES = 32;
memset(nonce, 0x2F, 16);
memset(key, 0x1E, 16);
components/mbedtls/test_apps/main/test_aes_params.h
+12 -3
View File
@@ -8,11 +8,15 @@
#include <stdint.h>
#define TEST_AES_CTR_DATA_LEN (32 * 200)
#define TEST_AES_CTR_DATA_LEN (32 * 200 + 33)
/* Full reference ciphertext for AES-128-CTR with key=0x1E*16, IV=0x2F*16,
* plaintext=0x26*6400. Used to validate the entire ciphertext (not just the
* tail) in aes_ctr_alignment_test and aes_psram_one_buf_ctr_test. */
* plaintext=0x26*6433. The length is deliberately not a multiple of the AES
* block size so that the trailing partial block handling is exercised, and
* the block-aligned part (6432 bytes) is a multiple of the PSRAM cache line
* size so that the direct external-RAM DMA path is taken. Used to validate
* the entire ciphertext in aes_ctr_alignment_test and
* aes_psram_one_buf_ctr_test. */
static const uint8_t expected_cipher_ctr[] = {
0xe8, 0x1d, 0x27, 0x57, 0x8d, 0x46, 0xd7, 0x62,
0xf7, 0x13, 0x77, 0x35, 0x6b, 0x73, 0xe6, 0x95,
@@ -814,6 +818,11 @@ static const uint8_t expected_cipher_ctr[] = {
0xcf, 0x8a, 0x8d, 0x73, 0x8c, 0x6b, 0xfa, 0x4d,
0xd6, 0xc4, 0x18, 0x49, 0xdd, 0xc6, 0xbf, 0xc2,
0xb9, 0xf0, 0x09, 0x69, 0x45, 0x42, 0xc6, 0x05,
0x5f, 0x42, 0xf6, 0x3b, 0x8e, 0x11, 0x43, 0xc8,
0xc7, 0xd9, 0x85, 0xf3, 0xdc, 0x39, 0x6b, 0x33,
0x98, 0x8c, 0xc0, 0xf5, 0x92, 0xb4, 0x04, 0xf9,
0x2f, 0xdf, 0x12, 0xc0, 0xa1, 0xd2, 0xdc, 0x71,
0x88,
};
static const uint8_t long_input[] = {