S / mime时间戳支持

Question

好的，我现在有来自TS提供商的时间戳。

我怎么能把它放在一个哑剧信息中以符合标准？据我所知，没有邮件程序支持时间戳，这不会是一个问题，因为我将自己处理mime消息。

但是我想让它成为标准方式......任何例子？

谢谢。

Answer 1

我认为@Michael自己的回答恰好存在以下几点：

• application/timestamp-replyis旨在运输可能包含或不包含TimeStampResp的TimeStampToken，并且为了目前的目的，总是需要存在TimeStampToken。请参阅RFC 3161，“2.4.2。响应格式”。
• application/timestamp-reply内容类型当前未定义为安全性多部分协议。参见RFC 1847，“1。简介”和RFC 3161，“3.1。使用电子邮件的时间戳协议”。

由于以前我建议以下样本结构：

MIME-Version: 1.0
Content-Type: multipart/signed; protocol="application/timestamp-signature"; micalg="sha256"; boundary="{79EAC9E2-BAF9-11CE-8C82-00AA004BA90B}"

--{79EAC9E2-BAF9-11CE-8C82-00AA004BA90B}
MIME-Version: 1.0
Content-Type: text/plain

Hello

--{79EAC9E2-BAF9-11CE-8C82-00AA004BA90B}
Content-Type: application/timestamp-signature; name="tst.bin"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="tst.bin"

MIINygYJKoZIhvcNAQcCoIINuzCCDbcCAQMxDzANBglghkgBZQMEAgEFADB5BgsqhkiG9w0BCRAB
BKBqBGgwZgIBAQYLYIZIAYb9bgEHFwQwMTANBglghkgBZQMEAgEFAAQg7fR3pD+6Lw0dlYtTjYke
...
vlwFfWaVsUq6VyE0Sw3mVxQGooR7/GH10QSP7bNQqHNWyk1kX+9FlrRY3BPjsvJ046+ol74/3QkB
WA7ZrAGzhwRBPQKfkCXysHwtDIj7iF1YXcXoeKQ1SWiGjhIHCpCXMJwNiapZQfYsnZQbI6L/xXMA

--{79EAC9E2-BAF9-11CE-8C82-00AA004BA90B}--

哪里

• tst.bin是一个TimeStampToken。
• application/timestamp-signature是一种非标准的安全多部分协议。

编辑：

似乎有一些标准适合这里：

• RFC 5544 - “使用时间戳绑定文档的语法”
• RFC 5955 - “应用程序/时间戳数据媒体类型”

但我没有时间详细检查它们。

Answer 2

我相信这是合适的格式：

MIME-Version: 1.0
Content-Type: multipart/signed; protocol="application/timestamp-reply"; micalg="sha256"; boundary="{79EAC9E2-BAF9-11CE-8C82-00AA004BA90B}"

--{79EAC9E2-BAF9-11CE-8C82-00AA004BA90B}
MIME-Version: 1.0
Content-Type: text/plain

Hello

--{79EAC9E2-BAF9-11CE-8C82-00AA004BA90B}
Content-Type: application/timestamp-reply; name="smime.tsr"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="smime.tsr"

MIIIUgYJKoZIhvcNAQcCoIIIQzCCCD8CAQMxDzANBglghkgBZQMEAgEFADCCAQ4G
CyqGSIb3DQEJEAEEoIH+BIH7MIH4AgEBBgorBgEEAbIxAgEBMDEwDQYJYIZIAWUD
BAIBBQAEIO30d6Q/ui8NHZWLU42JHpvHqwcukBtDCZiWtieBErjfAhQJsQprheA+
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--{79EAC9E2-BAF9-11CE-8C82-00AA004BA90B}--

如果我错了，请编辑我。任何支持它的电子邮件客户端都要验证？