Re: [TLS] Regarding the identity bidding issue when using raw public key with TLS
Benjamin Kaduk <bkaduk@akamai.com> Sun, 15 July 2018 03:26 UTC
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Date: Sat, 14 Jul 2018 22:26:25 -0500
From: Benjamin Kaduk <bkaduk@akamai.com>
To: Wang Haiguang <wang.haiguang.shieldlab@huawei.com>
Cc: "<tls@ietf.org>" <tls@ietf.org>
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References: <0AE05CBFB1A6A0468C8581DAE58A31309E0B122F@SINEML521-MBX.china.huawei.com> <20180712121729.GA3925@LK-Perkele-VII> <0AE05CBFB1A6A0468C8581DAE58A31309E0B16F3@SINEML521-MBX.china.huawei.com> <0AE05CBFB1A6A0468C8581DAE58A31309E0B5E73@SINEML521-MBS.china.huawei.com>
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Subject: Re: [TLS] Regarding the identity bidding issue when using raw public key with TLS
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On Sat, Jul 14, 2018 at 01:44:28AM +0000, Wang Haiguang wrote: > Dear ilari, > > Thanks very much for the reply :-). Please see my comments inline below. > > -----Original Message----- > From: ilariliusvaara@welho.com [mailto:ilariliusvaara@welho.com] > Sent: Thursday, July 12, 2018 8:17 PM > To: Wang Haiguang <wang.haiguang.shieldlab@huawei.com> > Cc: <tls@ietf.org> <tls@ietf.org> > Subject: Re: [TLS] Regarding the identity bidding issue when using raw public key with TLS > > On Thu, Jul 12, 2018 at 09:30:40AM +0000, Wang Haiguang wrote: > > Can anyone give us some comments regarding using IBC as raw public key > > for TLS for massive IoT authentication? > > I do not think there is any way currently to do that. The only defined signature algorithms are ([*] means removed from TLS 1.3): > > - RSA PKCS#1 v1.5[*] > - DSA[*] > - ECDSA > - EdDSA2 (Ed25519 and Ed448) > > These are also the only algorithms that can be used with raw public key authentication. None of these is IBC algorithm.. > > Also, the way the raw public keys work is the same in both TLS 1.2 and > 1.3 (the precise messages are different, but it still works the same). > > [HG-1] Yes. With TLS-1.3, IBC algorithm is not supported at the moment. So we hope that we can develop a separate RFC based on 1.3 and support IBC for massive IoT usage scenarios only? > RFC 6507 specifies an IBC signature method based on ECC, it is similar to ECDSA. We can start with that first. Writing an internet-draft that specifies IBC signatures for TLS 1.3 is the first step, but in principle such usage would not need to be limited to "massive IoT usage scenarios only". -Ben
- [TLS] Regarding the identity bidding issue when u… Wang Haiguang
- Re: [TLS] Regarding the identity bidding issue wh… Ilari Liusvaara
- Re: [TLS] Regarding the identity bidding issue wh… Wang Haiguang
- Re: [TLS] Regarding the identity bidding issue wh… Benjamin Kaduk
- Re: [TLS] Regarding the identity bidding issue wh… Wang Haiguang