How to use hmac-md5 from the Digital Signature Toolkit (DST)
David Rubel
davidrubels at gmail.com
Thu Jun 28 15:42:31 UTC 2012
Hello.
I'm trying to add RFC 3118 support (Authentication option) to ISC DHCP, so
I would like to test in both client and server the HMAC-MD5 implementation
of the Digital Signature Toolkit included in ISC DHCP (/dst/hmac_link.c).
Particularly, I'd like to try this test vector specified in RFC 2104 and
print the resulting digest on-screen:
key = 0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b
0b0b
key_len = 16 bytes
data = "Hi There"
data_len = 8 bytes
digest = 0x9294727a3638bb1c13f48ef8158bfc9d
Anyone knows how to be able to call those hashing functions from the client
and server (namely "client/dhclient.c" and "server/dhcp.c")?.... because it
seems that normally client and server doesn't have access to those
functions.
And if by chance someone already knows the answer to this, it would be
greatly appreciated: Which functions should I call (and its parameters) to
obtain that digest?.
Thanks in advance.
---
David Rubel
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