Generate ECDSA keys instead of RSA

This replaces the current 3072 bit RSA certificates with 384 bit ECDSA
certificates. The advantage is these certificates are smaller and
essentially instantaneous to generate. According to RFC4492 (ECC Cipher
Suites for TLS), Table 1: Comparable Key Sizes, ECC has comparable
strength to 3072 bit RSA at 283 bits - so we exceed that.

There is no compatibility issue with existing Syncthing code - this is
verified by the integration test ("h2" instance has the new
certificate).

There are browsers out there that don't understand ECC certificates yet,
although I think they're dying out. In the meantime, I've retained the
RSA code for the HTTPS certificate, but pulled it down to 2048 bits. I
don't think a higher security level there is motivated, is this matches
current industry standard for HTTPS certificates.
This commit is contained in:
Jakob Borg
2015-11-27 09:09:39 +01:00
parent e5b33ce9f6
commit 6d11006b54
11 changed files with 122 additions and 139 deletions

View File

@@ -1,39 +1,6 @@
-----BEGIN RSA PRIVATE KEY-----
MIIG5AIBAAKCAYEAsIV0syyRO56BvIOro4bIqB6iFJsNc4zX8MiM4QPTWgqGlYws
KSVmNppTdlACZCJIqyzoscrFqJPto8/e2Fc3oaTdEREGIs7cmc7LSXfot/mAgPpy
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8phy6g1bxiJN14+Dn0om/0+9UrHK8LVzWMmtFRVycWVUYmARWFY3EE10k0RXU2Ht
zmjfnBkRrl13b0ExizlA1qJ33ngxF5rNEDSMpwf4og5uYOjRUPYuvCL9XtQKr254
NFO/sg/qqPV4hFWTAgMBAAECggGAH6SMuuGuVyWe1BA2YGX06k4zd8Yjryb8Pql0
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AUYEdchK1JCAQ5DxEXGrSPu8SpZ/SuhMjLc3/JDwB8SZPT0C1jX7YMeUiPONy9VK
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KuoxbLfRAZYJEXVsJROZ6+s7k6nxycMzANh7rB+GZpHT7QEbdDWOyh/ioKgY8Lpz
yZ0mzEQDUWehpOPWzpElDUYfjURB7d+xm0Ic+TEPPVH7Ha9KBn3S/FsTNWQaPx+r
eP4BQpoggD30+VlwsKXcHES0ppeeHWODhxxAB8f/+zDVAoHBALJY3GVYTruPn30J
YgiK+S0nTttImwAs1fHCtBtV6KozMp/j3Ei9svuZwU/yEdsUAGw5+WO4+Lm/CGs7
2BbCKiPk1F9+0mFcfEoCloZKr0uUrLFZ4L7dgBZNSaASUNTiJTWLrR1fPuEkB6ck
pcpxeAew3ERYmvAPgt1JxyH737Mib8eJTkuzOCj2r4rqrClR4Fh/mZmtwMRHGh2R
UpJJ3CreS0cmyBo7yAS+4+HdzEZCT5Y/73+aWO/4hIMVnl+pYQKBwCpUb85zm5zg
UnZ8nBS22FLGTcvBs8hbyXUtioSNadNteuqk6jsN2F+Pwsh6eHbVHW4Lu9j6Gn+J
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Zrv2j5mTvv3Fq2TRDNfz5dwijFMvv7kpGfHA1950ZIbobQvYYsoC7A==
-----END RSA PRIVATE KEY-----
-----BEGIN EC PRIVATE KEY-----
MIGkAgEBBDBz4/RQhZfObYcjS4t5bZthw0Pj6YliqI357mdB6hfiQgMdTB8v7jnO
Scbil+Rri0+gBwYFK4EEACKhZANiAATuIjYTl60Cznfqz5JRXccpl4rnmIdRjpfg
8d4+PK83E4Jnoa9sSs5daq6ZTj6/NVERbXC820ZcC2/P+Gwcg8nsR0ohfRA8BOaz
Y2mUJtoWVTEcGlTOGU26WGyhXlqOfvI=
-----END EC PRIVATE KEY-----