linux-kernel - Re: Wrong system clock vs X.509 date specifiers

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Message-ID: <12475.1348594285@warthog.procyon.org.uk>
Date:	Tue, 25 Sep 2012 18:31:25 +0100
From:	David Howells <dhowells@...hat.com>
To:	Tomas Mraz <tmraz@...hat.com>
Cc:	dhowells@...hat.com, Alan Cox <alan@...rguk.ukuu.org.uk>,
	rusty@...tcorp.com.au, herbert@...dor.hengli.com.au,
	pjones@...hat.com, jwboyer@...hat.com,
	linux-crypto@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org, keyrings@...ux-nfs.org
Subject: Re: Wrong system clock vs X.509 date specifiers

Tomas Mraz <tmraz@...hat.com> wrote:

> You can use openssl ca that allows to set arbitrary start date to
> generate selfsigned certs as well (-selfsign option).

That seems to require some stuff I don't have installed:

warthog>openssl ca -in signing_key.priv -extensions v3_ca -out newcert.pem
Using configuration from /etc/pki/tls/openssl.cnf
Error opening CA private key /etc/pki/CA/private/cakey.pem
140244246955872:error:0200100D:system library:fopen:Permission denied:bss_file.c:398:fopen('/etc/pki/CA/private/cakey.pem','r')
140244246955872:error:20074002:BIO routines:FILE_CTRL:system lib:bss_file.c:400:
unable to load CA private key
unable to write 'random state'

(the /etc/pki/CA/private/ dir is inaccessible if not root and doesn't in any
case contain cakey.pem).

Do I need to start with all the CA stuff in the right places to use it?

David
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