search for: kleppmann

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2013 May 23
1
Time for key stretching in encrypted private keys?
...had the option of using an encoding with some decent key stretching to me. Is there any good reason not to, and to not have it as the default? OpenSSH seems quite happy to accept PKCS8 keys with PBKDF2 currently, it just doesn't generate them. You just need to do it yourself e.g. http://martin.kleppmann.com/ssh-keys.html The keys generated in that article are also 3DES unfortunately but that's only because it's the default cipher here.
2014 Apr 16
0
[XPOST] Invoicing - 1.0.0 released
Hello people, We have released invoicing gem which helps you in creating, managing and generating pdf for invoices. Bit of background: Invoicing gem was initially developed by Martin Kleppmann (https://github.com/ept/) for generating and displaying invoices. This release polishes the gem, makes it compatible with rails 3 and rails 4, adds pdf generation source: https://github.com/code-mancers/invoicing docs: http://invoicing.codemancers.com/ Features: 1. Store any number of differe...
2020 Oct 07
1
CTDB Question w/ Winbind
...lock management is localized. If you check out https://wiki.samba.org/index.php/CTDB_database_design you will see that CTDB uses something like a catalog to locate records in distributed databases. It uses a modulo scheme (based on active nodes) to locate the "location master". Martin Kleppmann's "Designing Data-Intensive Applications" (https://dataintensive.net/) (which is predated by CTDB) says this isn't a great idea, though mostly from a database recovery perspective since a lot of database has to move... it is fair to say that CTDB's database recovery isn't...
2014 Jul 25
1
improving passphrase protected private keys
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I got a proposal for a slight different default private key encryption protocol. Here is my understanding what ssh-keygen currently does. According to this article: http://martin.kleppmann.com/2013/05/24/improving-security-of-ssh-private-keys.html when you create a new key with a passphrase to protect it, ssh-keygen uses a hard-coded openssl call to do this: It encrypts the private key with AES-128 in CBC mode, and generates the encryption key the following way: 1. "Append th...
2020 Oct 06
2
CTDB Question w/ Winbind
Superb. I'll take a look. Thank you On Tue, Oct 6, 2020 at 1:46 AM Martin Schwenke <martin at meltin.net> wrote: > Hi Bob, > > On Mon, 5 Oct 2020 09:31:59 -0400, Robert Buck <robert.buck at som.com> > wrote: > > > It seems as though, when I go from `clustering = no` to `clustering = > yes`, > > if I do a domain join, it will fail. However, if I do a