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Add KCAPI ECC support for using a private key id.

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This commit is contained in:
David Garske 2022-03-31 09:05:03 -07:00
parent f8007b2d8f
commit 064888bb2a
1 changed files with 12 additions and 2 deletions
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14
wolfcrypt/src/port/kcapi/kcapi_ecc.c
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@ -293,8 +293,18 @@ static int KcapiEcc_SetPrivKey(ecc_key* key)
if (ret == 0) {
priv[0] = ECDSA_KEY_VERSION;
priv[1] = kcapiCurveId;
ret = wc_export_int(&key->k, priv + KCAPI_PARAM_SZ, &keySz, keySz,
WC_TYPE_UNSIGNED_BIN);
#ifdef WOLF_PRIVATE_KEY_ID
if (key->idLen > 0) {
WOLFSSL_MSG("Using ID based private key");
keySz = key->idLen;
XMEMCPY(priv + KCAPI_PARAM_SZ, key->id, keySz);
}
else
#endif
{
ret = wc_export_int(&key->k, priv + KCAPI_PARAM_SZ, &keySz, keySz,
WC_TYPE_UNSIGNED_BIN);
}
}
if (ret == 0) {
/* call with NULL to so KCAPI treats incoming data as hash */