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Merge pull request #5133 from rizlik/cookie_keyshare_fix

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tls13: fix cookie has keyShare information check
This commit is contained in:
Sean Parkinson
2022-05-13 08:01:59 +10:00
committed by GitHub
parent d1308fcdfc 829e9f5277
commit 6aaee73585
1 changed files with 2 additions and 1 deletions
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3
src/tls13.c
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@@ -4437,7 +4437,8 @@ static int RestartHandshakeHashWithCookie(WOLFSSL* ssl, Cookie* cookie)
length = HRR_BODY_SZ - ID_LEN + ssl->session->sessionIDSz +
HRR_COOKIE_HDR_SZ + cookie->len;
length += HRR_VERSIONS_SZ;
if (cookieDataSz > hashSz + OPAQUE16_LEN) {
/* HashSz (1 byte) + Hash (HashSz bytes) + CipherSuite (2 bytes) */
if (cookieDataSz > OPAQUE8_LEN + hashSz + OPAQUE16_LEN) {
keyShareExt = 1;
length += HRR_KEY_SHARE_SZ;
}