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SiLabs: extra check on importing key to se_key buffer

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This commit is contained in:
Elms
2020-12-09 12:54:24 -08:00
parent ef4db5b808
commit 586a75302b
1 changed files with 9 additions and 3 deletions
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12
wolfcrypt/src/port/silabs/silabs_ecc.c
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@@ -213,6 +213,7 @@ int silabs_ecc_import(ecc_key* key, word32 keysize)
int silabs_ecc_import_private(ecc_key* key, word32 keysize)
{
sl_status_t sl_stat;
int ret = 0;
word32 keySz = keysize;
key->key.type = silabs_map_key_type(key->dp->id);
if (SILABS_UNSUPPORTED_KEY_TYPE == key->key.type)
@@ -228,9 +229,14 @@ int silabs_ecc_import_private(ecc_key* key, word32 keysize)
if (sl_stat != SL_STATUS_OK)
return WC_HW_E;
return wc_export_int(&key->k, key->key.storage.location.buffer.pointer,
&keySz, keySz,
WC_TYPE_UNSIGNED_BIN);
ret = wc_export_int(&key->k, key->key.storage.location.buffer.pointer,
&keySz, keySz,
WC_TYPE_UNSIGNED_BIN);
if (keySz != keysize)
ret = WC_HW_E;
return ret;
}
int silabs_ecc_sig_to_rs(ecc_key* key, word32 keySz)