Re: Personal CA: are cert serial numbers critical?

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On 08/16/2017 05:01 PM, Salz, Rich via openssl-users wrote:
There’s no such requirement. It MUST be at most 20 octets long.
     >
     >> - Serial numbers contain cryptographically strong random bits, currently at
     >> least 64 random bits, though it is best if the entire serial number looks
     >> random from the outside.  This is not implemented by the openssl ca program.

Edit apps/apps.h to change SERIAL_RAND_BITS and use the –create_serial flag.

I’ll be making a patch to do this more easily for master.

Use of the commonName attribute has been deprecated long ago.
> Where is this documented? RFC 2818 in 2000. See aslo https://groups.google.com/a/chromium.org/forum/#!topic/security-dev/IGT2fLJrAeo


OK.  NOW I remember those debates in the PKIX sessions...

Boy is THIS rattling some old brain cells!


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