# Test against long bitwise vectors from Jim Gillogly and Francois Grieu
#
# http://www.chiark.greenend.org.uk/pipermail/ukcrypto/1999-February/003538.html
use Test;
use strict;
use integer;
use File::Basename qw(dirname);
use File::Spec;
use Digest::SHA;
BEGIN {
if ($ENV{PERL_CORE}) {
chdir 't' if -d 't';
@INC = '../lib';
}
}
# SHA-1 Test Vectors
#
# In the following we use the notation bitstring#n to mean a bitstring
# repeated n (in decimal) times, and we use | for concatenation.
# Therefore 110#3|1 is 1101101101.
#
# Here is a set near 2^32 bits to test the roll-over in the length
# field from one to two 32-bit words:
#
# 110#1431655764|11 1eef5a18 969255a3 b1793a2a 955c7ec2 8cd221a5
# 110#1431655765| 7a1045b9 14672afa ce8d90e6 d19b3a6a da3cb879
# 110#1431655765|1 d5e09777 a94f1ea9 240874c4 8d9fecb6 b634256b
# 110#1431655765|11 eb256904 3c3014e5 1b2862ae 6eb5fb4e 0b851d99
#
# 011#1431655764|01 4CB0C4EF 69143D5B F34FC35F 1D4B19F6 ECCAE0F2
# 011#1431655765 47D92F91 1FC7BB74 DE00ADFC 4E981A81 05556D52
# 011#1431655765|0 A3D7438C 589B0B93 2AA91CC2 446F06DF 9ABC73F0
# 011#1431655765|01 3EEE3E1E 28DEDE2C A444D68D A5675B2F AAAB3203
my(@vec110, @vec011);
BEGIN {
@vec110 = ( # 110 rep 1431655764
"11", "1eef5a18969255a3b1793a2a955c7ec28cd221a5",
"110", "7a1045b914672aface8d90e6d19b3a6ada3cb879",
"1101", "d5e09777a94f1ea9240874c48d9fecb6b634256b",
"11011", "eb2569043c3014e51b2862ae6eb5fb4e0b851d99"
);
@vec011 = ( # 011 rep 1431655764
"01", "4cb0c4ef69143d5bf34fc35f1d4b19f6eccae0f2",
"011", "47d92f911fc7bb74de00adfc4e981a8105556d52",
"0110", "a3d7438c589b0b932aa91cc2446f06df9abc73f0",
"01101", "3eee3e1e28dede2ca444d68da5675b2faaab3203"
);
plan tests => scalar(@vec110) / 2 + scalar(@vec011) / 2;
}
my $STATE110 = File::Spec->catfile(dirname($0), "gillogly", "state.110");
my $STATE011 = File::Spec->catfile(dirname($0), "gillogly", "state.011");
my $reps = 1 << 14;
my $loops = int(1431655764 / $reps);
my $rest = 3 * (1431655764 - $loops * $reps);
sub state110 {
my $state;
my $bitstr;
$state = Digest::SHA->new(1);
if (-r $STATE110) {
if ($state->load($STATE110)) {
return($state);
}
}
$bitstr = pack("B*", "110" x $reps);
$state->reset;
for (my $i = 0; $i < $loops; $i++) {
$state->add_bits($bitstr, 3 * $reps);
}
$state->add_bits($bitstr, $rest);
$state->dump($STATE110);
return($state);
}
sub state011 {
my $state;
my $bitstr;
$state = Digest::SHA->new(1);
if (-r $STATE011) {
if ($state->load($STATE011)) {
return($state);
}
}
$bitstr = pack("B*", "011" x $reps);
$state->reset;
for (my $i = 0; $i < $loops; $i++) {
$state->add_bits($bitstr, 3 * $reps);
}
$state->add_bits($bitstr, $rest);
$state->dump($STATE011);
return($state);
}
my $i;
my $state110 = state110();
for ($i = 0; $i < @vec110/2; $i++) {
my $state = $state110->clone;
$state->add_bits($vec110[2*$i]);
ok($state->hexdigest, $vec110[2*$i+1]);
}
my $state011 = state011();
for ($i = 0; $i < @vec011/2; $i++) {
my $state = $state011->clone;
$state->add_bits($vec011[2*$i]);
ok($state->hexdigest, $vec011[2*$i+1]);
}