# HMAC-SHA-256 test vectors from draft-ietf-ipsec-ciph-sha-256-01.txt

use strict;

use Digest::SHA qw(hmac_sha256 hmac_sha256_hex);

my @data = map { eval } <DATA>;

my $numtests = scalar @data;

print "1..$numtests\n";

my $k1 = join( "", map { chr } (1 .. 32) );

my $k2 = join( "", map { chr } (1 .. 37) );

my @keys = (

	$k1,

	$k1,

	$k1,

	chr(0x0b) x 32,

	"Jefe",

	chr(0xaa) x 32,

	$k2,

	chr(0x0c) x 32,

	chr(0xaa) x 80,

	chr(0xaa) x 80

);

my @out = (

	"a21b1f5d4cf4f73a4dd939750f7a066a7f98cc131cb16a6692759021cfab8181",

	"104fdc1257328f08184ba73131c53caee698e36119421149ea8c712456697d30",

	"470305fc7e40fe34d3eeb3e773d95aab73acf0fd060447a5eb4595bf33a9d1a3",

	"198a607eb44bfbc69903a0f1cf2bbdc5ba0aa3f3d9ae3c1c7a3b1696a0b68cf7",

	"5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b964ec3843",

	"cdcb1220d1ecccea91e53aba3092f962e549fe6ce9ed7fdc43191fbde45c30b0",

	"d4633c17f6fb8d744c66dee0f8f074556ec4af55ef07998541468eb49bd2e917",

	"7546af01841fc09b1ab9c3749a5f1c17d4f589668a587b2700a9c97c1193cf42",

	"6953025ed96f0c09f80a96f78e6538dbe2e7b820e3dd970e7ddd39091b32352f",

	"6355ac22e890d0a3c8481a5ca4825bc884d3e7a1ff98a2fc2ac7d8e064c3b2e6"

);

	# do first one using multi-argument data feed and binary output

my $testnum = 1;

my @args = split(//, shift @data);

print "not " unless hmac_sha256(@args, shift @keys) eq pack("H*", shift @out);

print "ok ", $testnum++, "\n";

while (@data) {

	print "not " unless hmac_sha256_hex(shift @data, shift @keys)

		eq shift @out;

	print "ok ", $testnum++, "\n";

}

__DATA__

"abc"

"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"

"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopqabcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"

"Hi There"

"what do ya want for nothing?"

chr(0xdd) x 50

chr(0xcd) x 50

"Test With Truncation"

"Test Using Larger Than Block-Size Key - Hash Key First"

"Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data"