# Before `make install' is performed this script should be runnable with # `make test'. After `make install' it should work as `perl test.pl' ######################### # change 'tests => 1' to 'tests => last_test_to_print'; use Test; BEGIN { plan tests => 52 }; use Crypt::OpenSSL::Bignum; use Crypt::OpenSSL::Bignum::CTX; ######################### # Insert your test code below, the Test module is use()ed here so read # its man page ( perldoc Test ) for help writing this test script. use strict; sub _new_bn { return Crypt::OpenSSL::Bignum->new_from_word( shift ); } my $bn; my $decimal_string = "2342234235235235235"; $bn = Crypt::OpenSSL::Bignum->new_from_decimal( $decimal_string ); ok( $bn ); ok( $bn->to_decimal() eq $decimal_string ); my $hex_string = "7f"; $bn = Crypt::OpenSSL::Bignum->new_from_hex( $hex_string ); ok( $bn ); ok( $bn->to_hex() eq uc( $hex_string ) ); ok( $bn->to_decimal() eq '127' ); my $bin_string = pack( "C*", 2, 0 ); $bn = Crypt::OpenSSL::Bignum->new_from_bin( $bin_string ); ok( $bn ); ok( $bn->to_bin() eq $bin_string ); ok( $bn->to_decimal() eq '512' ); my $bn23 = _new_bn( 23 ); my $bn25 = _new_bn( 25 ); ok( $bn23->cmp($ bn25 ) == -1 ); ok( $bn25->cmp( $bn23 ) == 1 ); ok( $bn23->cmp( $bn23 ) == 0 ); ok( $bn23->equals( $bn23 ) ); my $bn_copy = $bn->copy(); ok( $bn_copy ne $bn ); ok( $bn->equals( $bn_copy ) ); my $ptr = $bn->pointer_copy(); ok( ! ref $ptr ); ok( $bn + 0 != $ptr ); my $from_ptr = Crypt::OpenSSL::Bignum->bless_pointer( $ptr ); ok( $bn->equals( $from_ptr ) ); my $zero = Crypt::OpenSSL::Bignum->zero(); my $one = Crypt::OpenSSL::Bignum->one(); ok( $one->is_one() ); ok( !$zero->is_one() ); ok( $zero->is_zero() ); ok( !$one->is_zero() ); ok( !$zero->is_odd() ); ok( $one->is_odd() ); my $word = 0xffffeeee; ok( _new_bn($word)->get_word() == $word ); # test creation from object rather than class string. my $bn2 = $bn->new_from_bin( $bin_string ); ok( $bn2 ); ok( $bn2->to_bin() eq $bn->to_bin() ); ok( '48' eq $bn23->add( $bn25 )->to_decimal() ); $bn = _new_bn( 18 ); $bn->add( $one, $bn ); ok( 19 == $bn->get_word() ); ok( '-2' eq $bn23->sub( $bn25 )->to_decimal() ); $bn = _new_bn( 18 ); $bn->sub( $one, $bn ); ok( 17 == $bn->get_word() ); my $ctx = Crypt::OpenSSL::Bignum::CTX->new(); ok( $ctx ); ok( 575 == $bn23->mul( $bn25, $ctx )->get_word() ); ok( 575 == $bn23->mul( $bn25, $ctx, $bn )->get_word() ); ok( 575 == $bn->get_word() ); ok( 2 == $bn25->mod( $bn23, $ctx )->get_word() ); ok( 2 == $bn25->mod( $bn23, $ctx, $bn )->get_word() ); ok( 2 == $bn->get_word() ); my $bn6 = _new_bn( 6 ); my $bn3 = _new_bn( 3 ); my( $quotient, $remainder ) = $bn25->div( $bn23, $ctx ); ok( $quotient->is_one ); ok( 2 == $remainder->get_word() ); my( $quotient2, $remainder2 ) = $bn25->div( $bn6, $ctx, $quotient, $remainder ); ok( $quotient2 == $quotient ); ok( $remainder2 == $remainder ); ok( 4 == $quotient->get_word() ); ok( $remainder->is_one ); my( $quotient3, $remainder3 ) = $bn25->div( $bn6, $ctx, $quotient ); ok( $quotient3 == $quotient ); ok( 4 == $quotient->get_word() ); ok( $remainder3->is_one() ); ok( 6 == _new_bn( 18 )->gcd( _new_bn( 42 ), $ctx )->get_word() ); ok( 5 == $bn23->mod_mul( $bn25, $bn6, $ctx )->get_word() ); ok( 729 == $bn3->exp( $bn6, $ctx )->get_word() ); ok( 4 == $bn3->mod_exp( $bn6, $bn25, $ctx )->get_word() ); ok( 36 == $bn6->sqr( $ctx )->get_word() ); ok( 12 == $bn23->mod_inverse( $bn25, $ctx )->get_word() );