Merge branch 'bugfix/aes_gcm_unaligned_psram' into 'master'

aes: fix potential unaligned access in aes-gcm

Closes IDFGH-5506

See merge request espressif/esp-idf!15668
pull/7855/head
Marius Vikhammer 2021-11-04 02:23:57 +00:00
commit f578a67ec7
1 zmienionych plików z 3 dodań i 6 usunięć

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@ -108,12 +108,9 @@ static void increment32_j0(esp_gcm_context *ctx, uint8_t *j)
/* Function to xor two data blocks */
static void xor_data(uint8_t *d, const uint8_t *s)
{
uint32_t *dst = (uint32_t *) d;
uint32_t *src = (uint32_t *) s;
*dst++ ^= *src++;
*dst++ ^= *src++;
*dst++ ^= *src++;
*dst++ ^= *src++;
for (int i = 0; i < AES_BLOCK_BYTES; i++) {
d[i] ^= s[i];
}
}