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fix item 9 from report by Ivan Fratric of the Google Security Team

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This commit is contained in:
toddouska 2014-03-26 13:28:19 -07:00
parent 86ebc48032
commit 717f3adb47
2 changed files with 12 additions and 0 deletions
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6
ctaocrypt/src/asn.c
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@ -1126,6 +1126,9 @@ int DhKeyDecode(const byte* input, word32* inOutIdx, DhKey* key, word32 inSz)
int DhSetKey(DhKey* key, const byte* p, word32 pSz, const byte* g, word32 gSz)
{
if (key == NULL || p == NULL || g == NULL || pSz == 0 || gSz == 0)
return BAD_FUNC_ARG;
/* may have leading 0 */
if (p[0] == 0) {
pSz--; p++;
@ -5470,6 +5473,9 @@ int EccPrivateKeyDecode(const byte* input, word32* inOutIdx, ecc_key* key,
byte priv[ECC_MAXSIZE];
byte pub[ECC_MAXSIZE * 2 + 1]; /* public key has two parts plus header */
if (input == NULL || inOutIdx == NULL || key == NULL || inSz == 0)
return BAD_FUNC_ARG;
if (GetSequence(input, inOutIdx, &length, inSz) < 0)
return ASN_PARSE_E;

6
src/internal.c
View File

@ -10733,6 +10733,12 @@ static void PickHashSigAlgo(CYASSL* ssl,
(void)input;
(void)size;
if (ssl->options.side != CYASSL_SERVER_END) {
CYASSL_MSG("Client received client keyexchange, attack?");
CYASSL_ERROR(ssl->error = SIDE_ERROR);
return SSL_FATAL_ERROR;
}
if (ssl->options.clientState < CLIENT_HELLO_COMPLETE) {
CYASSL_MSG("Client sending keyexchange at wrong time");
SendAlert(ssl, alert_fatal, unexpected_message);