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path: root/bhash/bhash_test.go
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package bhash

import (
	"bytes"
	"fmt"
	"testing"
)

func TestHash(t *testing.T) {
	golden := []byte{
		0x46, 0x02, 0x86, 0xe9, 0x72, 0xfa, 0x83, 0x3f,
		0x8b, 0x12, 0x83, 0xad, 0x8f, 0xa9, 0x19, 0xfa,
		0x29, 0xbd, 0xe2, 0x0e, 0x23, 0x32, 0x9e, 0x77,
		0x4d, 0x84, 0x22, 0xba, 0xc0, 0xa7, 0x92, 0x6c,
	}
	zero := make([]byte, 32)
	res, err := Hash(zero, zero)
	if err != nil {
		t.Fatal(err)
	}
	if !bytes.Equal(res, golden) {
		t.Errorf("got %x, want %x", res, golden)
	}
}

func BenchmarkHash(b *testing.B) {
	zero := make([]byte, 32)
	for i := 0; i < b.N; i++ {
		Hash(zero, zero)
	}
}

func TestPbkdf(t *testing.T) {
	testCases := [][]byte{
		{
			0xbf, 0x96, 0xd3, 0x86, 0x0f, 0x27, 0xda, 0x09,
			0x45, 0x52, 0x3f, 0xa1, 0x6b, 0x4c, 0xb0, 0xcd,
		},
		{
			0xbf, 0x96, 0xd3, 0x86, 0x0f, 0x27, 0xda, 0x09,
			0x45, 0x52, 0x3f, 0xa1, 0x6b, 0x4c, 0xb0, 0xcd,
			0xbb, 0xbd, 0x74, 0x14, 0x83, 0x59, 0x66, 0xbc,
			0x21, 0x32, 0x6f, 0x1a, 0x18, 0xb8, 0x84, 0x53,
		},
		{
			0xbf, 0x3c, 0x96, 0xcb, 0xd3, 0x7e, 0x86, 0xfe,
			0x0f, 0xe9, 0x27, 0x2c, 0xda, 0x0d, 0x09, 0xe1,
			0x45, 0x18, 0x52, 0x78, 0x3f, 0x0e, 0xa1, 0xc0,
			0x6b, 0x82, 0x4c, 0xcf, 0xb0, 0x58, 0xcd, 0x63,
			0xbb, 0xc5, 0xbd, 0x88, 0x74, 0x21, 0x14, 0x2f,
			0x83, 0x1f, 0x59, 0xf2, 0x66, 0x05, 0xbc, 0xaa,
			0x21, 0x85, 0x32, 0x9d, 0x6f, 0xc3, 0x1a, 0x5c,
			0x18, 0x66, 0xb8, 0xa9, 0x84, 0xd2, 0x53, 0xca,
		},
		{
			0xbf, 0x3c, 0xc1, 0x9e, 0x96, 0xcb, 0x8a, 0xb4,
			0xd3, 0x7e, 0xab, 0x50, 0x86, 0xfe, 0x32, 0xd2,
			0x0f, 0xe9, 0x2d, 0x34, 0x27, 0x2c, 0x0c, 0xc4,
			0xda, 0x0d, 0x76, 0x9d, 0x09, 0xe1, 0x98, 0xfd,
			0x45, 0x18, 0x2c, 0x42, 0x52, 0x78, 0xa3, 0xc0,
			0x3f, 0x0e, 0xeb, 0xfb, 0xa1, 0xc0, 0x39, 0xcd,
			0x6b, 0x82, 0x9e, 0x09, 0x4c, 0xcf, 0x21, 0x61,
			0xb0, 0x58, 0xab, 0xe1, 0xcd, 0x63, 0xa1, 0xe7,
			0xbb, 0xc5, 0x09, 0x05, 0xbd, 0x88, 0xfc, 0xf1,
			0x74, 0x21, 0xf0, 0x2a, 0x14, 0x2f, 0x1c, 0x7f,
			0x83, 0x1f, 0xbc, 0x27, 0x59, 0xf2, 0xa3, 0xa7,
			0x66, 0x05, 0x1e, 0x59, 0xbc, 0xaa, 0xa2, 0xde,
			0x21, 0x85, 0x97, 0x63, 0x32, 0x9d, 0x26, 0xb0,
			0x6f, 0xc3, 0xd6, 0xaf, 0x1a, 0x5c, 0x9d, 0x61,
			0x18, 0x66, 0xd3, 0x5b, 0xb8, 0xa9, 0x27, 0xbf,
			0x84, 0xd2, 0xa4, 0x0d, 0x53, 0xca, 0xaf, 0x8c,
		},
		{
			0xbf, 0x3c, 0xc1, 0x9e, 0x74, 0x7b, 0xad, 0x10,
			0x96, 0xcb, 0x8a, 0xb4, 0x24, 0x70, 0xe4, 0x06,
			0xd3, 0x7e, 0xab, 0x50, 0x7a, 0xcb, 0x04, 0x71,
			0x86, 0xfe, 0x32, 0xd2, 0x27, 0x2c, 0x91, 0x03,
			0x0f, 0xe9, 0x2d, 0x34, 0x81, 0x5f, 0x7d, 0x43,
			0x27, 0x2c, 0x0c, 0xc4, 0x58, 0xf7, 0xec, 0x8c,
			0xda, 0x0d, 0x76, 0x9d, 0xdd, 0xec, 0x16, 0x98,
			0x09, 0xe1, 0x98, 0xfd, 0xfd, 0x6f, 0x36, 0x43,
			0x45, 0x18, 0x2c, 0x42, 0x6f, 0xc2, 0x97, 0xd9,
			0x52, 0x78, 0xa3, 0xc0, 0xf1, 0xda, 0xe4, 0x59,
			0x3f, 0x0e, 0xeb, 0xfb, 0xa9, 0xf5, 0xc4, 0x0f,
			0xa1, 0xc0, 0x39, 0xcd, 0x75, 0xe9, 0xb8, 0x4b,
			0x6b, 0x82, 0x9e, 0x09, 0xbe, 0x68, 0x2c, 0xd6,
			0x4c, 0xcf, 0x21, 0x61, 0x3b, 0x8c, 0xc4, 0xdb,
			0xb0, 0x58, 0xab, 0xe1, 0x8b, 0x43, 0xfa, 0xd7,
			0xcd, 0x63, 0xa1, 0xe7, 0xbe, 0xb2, 0x6e, 0xe3,
			0xbb, 0xc5, 0x09, 0x05, 0xa7, 0x16, 0xe2, 0xfd,
			0xbd, 0x88, 0xfc, 0xf1, 0x8b, 0x39, 0x67, 0x38,
			0x74, 0x21, 0xf0, 0x2a, 0x17, 0x63, 0xe9, 0x56,
			0x14, 0x2f, 0x1c, 0x7f, 0xfa, 0xfa, 0x25, 0x99,
			0x83, 0x1f, 0xbc, 0x27, 0xa5, 0x65, 0xef, 0x5d,
			0x59, 0xf2, 0xa3, 0xa7, 0xf2, 0x3a, 0x7d, 0xf3,
			0x66, 0x05, 0x1e, 0x59, 0xe9, 0x0c, 0xa9, 0x0b,
			0xbc, 0xaa, 0xa2, 0xde, 0x8e, 0xd1, 0x4f, 0x4a,
			0x21, 0x85, 0x97, 0x63, 0x32, 0xc8, 0x74, 0x72,
			0x32, 0x9d, 0x26, 0xb0, 0xa7, 0x3c, 0x2b, 0x39,
			0x6f, 0xc3, 0xd6, 0xaf, 0x30, 0x64, 0xb4, 0xbc,
			0x1a, 0x5c, 0x9d, 0x61, 0x6f, 0x6b, 0xcb, 0x03,
			0x18, 0x66, 0xd3, 0x5b, 0x5b, 0xe4, 0x03, 0xcc,
			0xb8, 0xa9, 0x27, 0xbf, 0x87, 0xc9, 0x52, 0x9c,
			0x84, 0xd2, 0xa4, 0x0d, 0x2b, 0x11, 0x43, 0xbf,
			0x53, 0xca, 0xaf, 0x8c, 0x4f, 0xed, 0xe9, 0xc8,
		},
	}
	zero := make([]byte, 32)
	rounds := 42
	for _, tc := range testCases {
		tc := tc
		t.Run(fmt.Sprint(len(tc)), func(t *testing.T) {
			t.Parallel()
			res, err := Pbkdf(zero, zero, rounds, len(tc))
			if err != nil {
				t.Fatal(err)
			}
			if !bytes.Equal(res, tc) {
				t.Errorf("got %x, want %x", res, tc)
			}
		})
	}
}

func BenchmarkPbkdf(b *testing.B) {
	zero := make([]byte, 32)
	for i := 0; i < b.N; i++ {
		Pbkdf(zero, zero, 42, len(zero))
	}
}