Re: Understanding Problem with rsa min key length 1024

[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]

 



On Fri, Apr 12, 2019 at 08:39:49AM -0400, Daniel Kahn Gillmor wrote:
> But even taking the labeling of the "key space" as you've given it, if
> your concern is that 1022 bits is too small of a key space (and it is,
> given how sparse primes are!), then the right approach in 2019 is to use
> 3072-bit keys (which you rightly point out are "only" choosing from a
> 3070-bit "key space"), not to quibble about whether it ought to be OK to
> select 2 as one of the factors.

FWIW, RSA 1024bit keys have approximately 80bits of strength.  RSA2048 is
112 bits (and is the minimum NIST requirement).  RSA3072 is 128bit.


-- 

rgds
Stephen
_______________________________________________
openssh-unix-dev mailing list
openssh-unix-dev@xxxxxxxxxxx
https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev



[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]

[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux