Re: hmac module and key format

2011-02-21 Thread Stuart Longland
On Feb 21, 4:59 am, Peter Pearson ppear...@nowhere.invalid wrote: On Sun, 20 Feb 2011 04:01:20 -0800, Paul Rubin no.em...@nospam.invalid wrote: Stuart Longland redhat...@gentoo.org writes: What format does hmac require the key to be in? It's an arbitrary string.       I have a key in

Re: hmac module and key format

2011-02-21 Thread Peter Pearson
On Mon, 21 Feb 2011 02:27:36 -0800 (PST), Stuart Longland wrote: [snip] Before I worried about that though, I needed to have some kind of understanding as to how the hmac module was used. Arbitrary string, sounds to me like I give it something akin to a passphrase, and that is hashed(?) to

hmac module and key format

2011-02-20 Thread Stuart Longland
Hi, Maybe I'm completely dense with regards to the hmac module and HMAC in general, but I've searched and cannot find for the life of me the answer to this very basic question. What format does hmac require the key to be in? I have a key in hexadecimal, do I give it the hex? Do I decode that

Re: hmac module and key format

2011-02-20 Thread Paul Rubin
Stuart Longland redhat...@gentoo.org writes: What format does hmac require the key to be in? It's an arbitrary string. I have a key in hexadecimal, do I give it the hex? Do I decode that to binary and give it that? Probably yes. Do you have test vectors? See if they work. --

Re: hmac module and key format

2011-02-20 Thread Peter Pearson
On Sun, 20 Feb 2011 04:01:20 -0800, Paul Rubin no.email@nospam.invalid wrote: Stuart Longland redhat...@gentoo.org writes: What format does hmac require the key to be in? It's an arbitrary string. I have a key in hexadecimal, do I give it the hex? Do I decode that to binary and