部分获取curves值可能为空导致hash不一致的问题

[lixianghui]

测了一下，好像有如curves_raw和curves字段，偶尔访问多次会出现空，hash值就变化了。请问这种情况是正常的么？

{
"curves_raw": "0xdada:X25519:prime256v1:secp384r1",
"ciphers_raw": "0x6a6a:TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-RSA-AES128-SHA:ECDHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA:AES256-SHA",
"cipher_name": "ECDHE-RSA-AES256-GCM-SHA384",
"client_start": "",
"client_end": "",
"client_remain": "",
"server": "test.com",
"serial": "",
"fp_raw": "",
"addr": "192.168.0.81",
"issuer_raw": "",
"fp": "771,4865-4866-4867-49195-49199-49196-49200-52393-52392-49171-49172-156-157-47-53,0-23-65281-10-11-35-16-5-13-18-51-45-43-27,29-23-24,0",
"issuer_legacy": "",
"subject": "",
"subject_legacy": "",
"last": -2,
"verion": 771,
"ciphers": "4865-4866-4867-49195-49199-49196-49200-52393-52392-49171-49172-156-157-47-53",
"hash": "7f805430de1e7d98b1de033adb58cf46",
"curves": "29-23-24",
"handshake_rejected": false,
"extensions": "0-23-65281-10-11-35-16-5-13-18-51-45-43-27",
"renegotiation": false,
"point_formats": "0",
"handshaked": true,
"session": "",
"session_reused": ".",
"protocol": "TLSv1.2"
}

[vela-security]

嗯嗯！ 最近有时间我看一下！