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Merge pull request #1772 from SparkiDev/tls13_point_ext

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Send EC poiint format extension if downgradable from TLS 1.3
This commit is contained in:
toddouska
2018-08-21 12:27:10 -07:00
committed by GitHub
parent a505f2b063 103a0d351b
commit e635e49635
1 changed files with 8 additions and 20 deletions
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24
src/tls.c
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@ -9032,28 +9032,16 @@ int TLSX_PopulateExtensions(WOLFSSL* ssl, byte isServer)
ret = TLSX_PopulateSupportedGroups(ssl, &ssl->extensions);
if (ret != WOLFSSL_SUCCESS)
return ret;
if (!IsAtLeastTLSv1_3(ssl->version) &&
TLSX_Find(ssl->ctx->extensions,
TLSX_EC_POINT_FORMATS) == NULL &&
TLSX_Find(ssl->extensions,
TLSX_EC_POINT_FORMATS) == NULL) {
}
}
if ((!IsAtLeastTLSv1_3(ssl->version) || ssl->options.downgrade) &&
TLSX_Find(ssl->ctx->extensions, TLSX_EC_POINT_FORMATS) == NULL &&
TLSX_Find(ssl->extensions, TLSX_EC_POINT_FORMATS) == NULL) {
ret = TLSX_UsePointFormat(&ssl->extensions,
WOLFSSL_EC_PF_UNCOMPRESSED,
ssl->heap);
WOLFSSL_EC_PF_UNCOMPRESSED, ssl->heap);
if (ret != WOLFSSL_SUCCESS)
return ret;
}
}
else if (!IsAtLeastTLSv1_3(ssl->version) &&
TLSX_Find(ssl->ctx->extensions,
TLSX_EC_POINT_FORMATS) == NULL) {
ret = TLSX_UsePointFormat(&ssl->ctx->extensions,
WOLFSSL_EC_PF_UNCOMPRESSED,
ssl->heap);
if (ret != WOLFSSL_SUCCESS)
return ret;
}
}
#endif /* (HAVE_ECC || HAVE_CURVE25519) && HAVE_SUPPORTED_CURVES */
} /* is not server */