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Update wc_GetKeyOID()

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1. Check that the algoID is not NULL.
2. Initialize algoID to 0.
3. Moved the key variables around.
This commit is contained in:
John Safranek
2018-02-14 12:43:02 -08:00
parent 4b5524b39a
commit 0853fcb202
1 changed files with 19 additions and 15 deletions
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34
wolfcrypt/src/asn.c
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@@ -2273,28 +2273,29 @@ int wc_GetKeyOID(byte* key, word32 keySz, const byte** curveOID, word32* oidSz,
{
word32 tmpIdx = 0;
#ifdef HAVE_ECC
ecc_key ecc;
#endif
if (key == NULL || algoID == NULL)
return BAD_FUNC_ARG;
#ifdef HAVE_ED25519
ed25519_key ed25519;
#endif
*algoID = 0;
#ifndef NO_RSA
RsaKey rsa;
{
RsaKey rsa;
wc_InitRsaKey(&rsa, heap);
if (wc_RsaPrivateKeyDecode(key, &tmpIdx, &rsa, keySz) == 0) {
*algoID = RSAk;
wc_InitRsaKey(&rsa, heap);
if (wc_RsaPrivateKeyDecode(key, &tmpIdx, &rsa, keySz) == 0) {
*algoID = RSAk;
}
else {
WOLFSSL_MSG("Not RSA DER key");
}
wc_FreeRsaKey(&rsa);
}
else {
WOLFSSL_MSG("Not RSA DER key");
}
wc_FreeRsaKey(&rsa);
#endif /* NO_RSA */
#ifdef HAVE_ECC
if (algoID == 0) {
if (*algoID == 0) {
ecc_key ecc;
tmpIdx = 0;
wc_ecc_init_ex(&ecc, heap, INVALID_DEVID);
if (wc_EccPrivateKeyDecode(key, &tmpIdx, &ecc, keySz) == 0) {
@@ -2315,6 +2316,9 @@ int wc_GetKeyOID(byte* key, word32 keySz, const byte** curveOID, word32* oidSz,
#endif /* HAVE_ECC */
#ifdef HAVE_ED25519
if (*algoID != RSAk && *algoID != ECDSAk) {
ed25519_key ed25519;
tmpIdx = 0;
if (wc_ed25519_init(&ed25519) == 0) {
if (wc_Ed25519PrivateKeyDecode(key, &tmpIdx, &ed25519, keySz)
== 0) {