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Do not add DH padding on failure.

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This commit is contained in:
David Garske
2021-08-16 14:00:44 -07:00
parent 9898b5d82b
commit 5c00951f09
1 changed files with 2 additions and 2 deletions
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4
src/sniffer.c
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@ -2344,14 +2344,14 @@ static int SetupKeys(const byte* input, int* sslBytes, SnifferSession* session,
} while (ret == WC_PENDING_E); } while (ret == WC_PENDING_E);
wc_FreeDhKey(&dhKey); wc_FreeDhKey(&dhKey);
#ifdef WOLFSSL_SNIFFER_STATS #ifdef WOLFSSL_SNIFFER_STATS
if (ret != 0) if (ret != 0)
INC_STAT(SnifferStats.sslKeyFails); INC_STAT(SnifferStats.sslKeyFails);
#endif #endif
/* left-padded with zeros up to the size of the prime */ /* left-padded with zeros up to the size of the prime */
if (params->p_len > session->sslServer->arrays->preMasterSz) { if (ret == 0 && params->p_len > session->sslServer->arrays->preMasterSz) {
word32 diff = params->p_len - session->sslServer->arrays->preMasterSz; word32 diff = params->p_len - session->sslServer->arrays->preMasterSz;
XMEMMOVE(session->sslServer->arrays->preMasterSecret + diff, XMEMMOVE(session->sslServer->arrays->preMasterSecret + diff,
session->sslServer->arrays->preMasterSecret, session->sslServer->arrays->preMasterSecret,