feedc0de/wolfssl
1
0
Fork 0
forked from wolfSSL/wolfssl
Code Pull Requests Activity

handle optional parameters with KARI ECC key

Browse Source
This commit is contained in:
Jacob Barthelmeh
2019-08-12 16:41:35 -06:00
parent f4d9991e3a
commit 883d5778a3
1 changed files with 13 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
wolfcrypt/src/pkcs7.c
View File

@@ -8054,7 +8054,8 @@ static int wc_PKCS7_KariGetOriginatorIdentifierOrKey(WC_PKCS7_KARI* kari,
byte* pkiMsg, word32 pkiMsgSz, word32* idx)
{
int ret, length;
word32 keyOID;
word32 keyOID, oidSum = 0;
int curve_id = ECC_CURVE_DEF;
if (kari == NULL || pkiMsg == NULL || idx == NULL)
return BAD_FUNC_ARG;
@@ -8086,6 +8087,15 @@ static int wc_PKCS7_KariGetOriginatorIdentifierOrKey(WC_PKCS7_KARI* kari,
if (keyOID != ECDSAk)
return ASN_PARSE_E;
/* optional algorithm parameters */
ret = GetObjectId(pkiMsg, idx, &oidSum, oidIgnoreType, pkiMsgSz);
if (ret == 0) {
/* get curve id */
curve_id = wc_ecc_get_oid(oidSum, NULL, 0);
if (curve_id < 0)
return ECC_CURVE_OID_E;
}
/* remove ECPoint BIT STRING */
if ((pkiMsgSz > (*idx + 1)) && (pkiMsg[(*idx)++] != ASN_BIT_STRING))
return ASN_PARSE_E;
@@ -8104,7 +8114,8 @@ static int wc_PKCS7_KariGetOriginatorIdentifierOrKey(WC_PKCS7_KARI* kari,
kari->senderKeyInit = 1;
/* length-1 for unused bits counter */
ret = wc_ecc_import_x963(pkiMsg + (*idx), length - 1, kari->senderKey);
ret = wc_ecc_import_x963_ex(pkiMsg + (*idx), length - 1, kari->senderKey,
curve_id);
if (ret != 0) {
ret = wc_EccPublicKeyDecode(pkiMsg, idx, kari->senderKey, *idx + length - 1);
if (ret != 0)