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Fix for TLS 1.3 to always send Key Share

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Even if resuming or using PSK and not performing DHE key exchange, send
key share extension in case full handshake is required.
This commit is contained in:
Sean Parkinson
2019-07-18 11:01:43 +10:00
parent 0555668f2c
commit b399b08df7
1 changed files with 0 additions and 24 deletions
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24
src/tls.c
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@ -9803,18 +9803,6 @@ int TLSX_GetRequestSize(WOLFSSL* ssl, byte msgType, word16* pLength)
TURN_ON(semaphore, TLSX_ToSemaphore(TLSX_POST_HANDSHAKE_AUTH));
#endif
}
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
if (IsAtLeastTLSv1_3(ssl->version) && ssl->options.noPskDheKe) {
#if !defined(NO_PSK)
if (ssl->options.havePSK)
TURN_ON(semaphore, TLSX_ToSemaphore(TLSX_KEY_SHARE));
#endif
#if defined(HAVE_SESSION_TICKET)
if (ssl->options.resuming)
TURN_ON(semaphore, TLSX_ToSemaphore(TLSX_KEY_SHARE));
#endif
}
#endif
#endif
#if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
|| defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2)
@ -9903,18 +9891,6 @@ int TLSX_WriteRequest(WOLFSSL* ssl, byte* output, byte msgType, word16* pOffset)
TURN_ON(semaphore, TLSX_ToSemaphore(TLSX_POST_HANDSHAKE_AUTH));
#endif
}
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
if (IsAtLeastTLSv1_3(ssl->version) && ssl->options.noPskDheKe) {
#if !defined(NO_PSK)
if (ssl->options.havePSK)
TURN_ON(semaphore, TLSX_ToSemaphore(TLSX_KEY_SHARE));
#endif
#if defined(HAVE_SESSION_TICKET)
if (ssl->options.resuming)
TURN_ON(semaphore, TLSX_ToSemaphore(TLSX_KEY_SHARE));
#endif
}
#endif
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
/* Must write Pre-shared Key extension at the end in TLS v1.3.
* Must not write out Pre-shared Key extension in earlier versions of