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Merge pull request #2172 from dgarske/atecc

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Fixes for ATECC support
This commit is contained in:
John Safranek
2019-03-28 10:36:54 -07:00
committed by GitHub
parent b1c791dbd9 f7a7a97f8c
commit 9ea2dbea95
4 changed files with 17 additions and 4 deletions
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12
wolfcrypt/src/ecc.c
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@@ -3979,11 +3979,19 @@ int wc_ecc_make_key_ex(WC_RNG* rng, int keysize, ecc_key* key, int curve_id)
err = atmel_ecc_create_key(key->slot, key->pubkey_raw);
/* populate key->pubkey */
if (err == 0 && key->pubkey.x) {
if (err == 0
#ifdef ALT_ECC_SIZE
&& key->pubkey.x
#endif
) {
err = mp_read_unsigned_bin(key->pubkey.x, key->pubkey_raw,
ECC_MAX_CRYPTO_HW_SIZE);
}
if (err == 0 && key->pubkey.y) {
if (err == 0
#ifdef ALT_ECC_SIZE
&& key->pubkey.y
#endif
) {
err = mp_read_unsigned_bin(key->pubkey.y,
key->pubkey_raw + ECC_MAX_CRYPTO_HW_SIZE,
ECC_MAX_CRYPTO_HW_SIZE);

2
wolfcrypt/src/port/atmel/atmel.c
View File

@@ -105,7 +105,9 @@ int atmel_get_random_number(uint32_t count, uint8_t* rand_out)
XMEMCPY(&rand_out[i], rng_buffer, copy_count);
i += copy_count;
}
#ifdef ATCAPRINTF
atcab_printbin_label((const char*)"\r\nRandom Number", rand_out, count);
#endif
#else
/* TODO: Use on-board TRNG */
#endif