gmsm/padding/iso9797_m2_test.go

86 lines
5.4 KiB
Go

package padding
import (
"reflect"
"testing"
)
func Test_iso9797M2Padding_Pad(t *testing.T) {
iso9797 := NewISO9797M2Padding(16)
tests := []struct {
name string
src []byte
want []byte
}{
{"16 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
{"15 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 0x80}},
{"14 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 0x80, 0}},
{"13 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0x80, 0, 0}},
{"12 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 0x80, 0, 0, 0}},
{"11 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 0x80, 0, 0, 0, 0}},
{"10 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0x80, 0, 0, 0, 0, 0}},
{"9 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 0x80, 0, 0, 0, 0, 0, 0}},
{"8 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 0x80, 0, 0, 0, 0, 0, 0, 0}},
{"7 bytes", []byte{0, 1, 2, 3, 4, 5, 6}, []byte{0, 1, 2, 3, 4, 5, 6, 0x80, 0, 0, 0, 0, 0, 0, 0, 0}},
{"6 bytes", []byte{0, 1, 2, 3, 4, 5}, []byte{0, 1, 2, 3, 4, 5, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
{"5 bytes", []byte{0, 1, 2, 3, 4}, []byte{0, 1, 2, 3, 4, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
{"4 bytes", []byte{0, 1, 2, 3}, []byte{0, 1, 2, 3, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
{"3 bytes", []byte{0, 1, 2}, []byte{0, 1, 2, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
{"2 bytes", []byte{0, 1}, []byte{0, 1, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
{"1 bytes", []byte{0}, []byte{0, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
{"0 bytes", []byte{}, []byte{0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := iso9797.Pad(tt.src); !reflect.DeepEqual(got, tt.want) {
t.Errorf("iso9797M2Padding.Pad() = %v, want %v", got, tt.want)
}
})
}
}
func Test_iso9797M2Padding_Unpad(t *testing.T) {
iso9797 := NewISO9797M2Padding(16)
tests := []struct {
name string
want []byte
src []byte
wantErr bool
}{
{"16 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false},
{"15 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 0x80}, false},
{"14 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 0x80, 0}, false},
{"13 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0x80, 0, 0}, false},
{"12 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 0x80, 0, 0, 0}, false},
{"11 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 0x80, 0, 0, 0, 0}, false},
{"10 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0x80, 0, 0, 0, 0, 0}, false},
{"9 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 0x80, 0, 0, 0, 0, 0, 0}, false},
{"8 bytes", []byte{0, 1, 2, 3, 4, 5, 6, 7}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 0x80, 0, 0, 0, 0, 0, 0, 0}, false},
{"7 bytes", []byte{0, 1, 2, 3, 4, 5, 6}, []byte{0, 1, 2, 3, 4, 5, 6, 0x80, 0, 0, 0, 0, 0, 0, 0, 0}, false},
{"6 bytes", []byte{0, 1, 2, 3, 4, 5}, []byte{0, 1, 2, 3, 4, 5, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false},
{"5 bytes", []byte{0, 1, 2, 3, 4}, []byte{0, 1, 2, 3, 4, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false},
{"4 bytes", []byte{0, 1, 2, 3}, []byte{0, 1, 2, 3, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false},
{"3 bytes", []byte{0, 1, 2}, []byte{0, 1, 2, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false},
{"2 bytes", []byte{0, 1}, []byte{0, 1, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false},
{"1 bytes", []byte{0}, []byte{0, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false},
{"0 bytes", []byte{}, []byte{0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false},
{"1 bytes with tag", []byte{0x80}, []byte{0x80, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false},
{"3 bytes with tag", []byte{0x80, 0, 0x80}, []byte{0x80, 0, 0x80, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false},
{"19 bytes with tag", []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 0x80, 0, 0x80}, []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 0x80, 0, 0x80, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false},
{"invalid src length", nil, []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, true},
{"inconsistent padding bytes", nil, []byte{0, 0x80, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := iso9797.Unpad(tt.src)
if (err != nil) != tt.wantErr {
t.Errorf("case %v: iso9797M2Padding.Unpad() error = %v, wantErr %v", tt.name, err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("case %v: iso9797M2Padding.Unpad() = %v, want %v", tt.name, got, tt.want)
}
})
}
}