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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ripemd160
// Test vectors are from:
// http://homes.esat.kuleuven.be/~bosselae/ripemd160.html
import (
"fmt"
"io"
"testing"
)
type mdTest struct {
out string
in string
}
var vectors = [...]mdTest{
{"9c1185a5c5e9fc54612808977ee8f548b2258d31", ""},
{"0bdc9d2d256b3ee9daae347be6f4dc835a467ffe", "a"},
{"8eb208f7e05d987a9b044a8e98c6b087f15a0bfc", "abc"},
{"5d0689ef49d2fae572b881b123a85ffa21595f36", "message digest"},
{"f71c27109c692c1b56bbdceb5b9d2865b3708dbc", "abcdefghijklmnopqrstuvwxyz"},
{"12a053384a9c0c88e405a06c27dcf49ada62eb2b", "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"},
{"b0e20b6e3116640286ed3a87a5713079b21f5189", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"},
{"9b752e45573d4b39f4dbd3323cab82bf63326bfb", "12345678901234567890123456789012345678901234567890123456789012345678901234567890"},
}
func TestVectors(t *testing.T) {
for i := 0; i < len(vectors); i++ {
tv := vectors[i]
md := New()
for j := 0; j < 3; j++ {
if j < 2 {
io.WriteString(md, tv.in)
} else {
io.WriteString(md, tv.in[0:len(tv.in)/2])
md.Sum(nil)
io.WriteString(md, tv.in[len(tv.in)/2:])
}
s := fmt.Sprintf("%x", md.Sum(nil))
if s != tv.out {
t.Fatalf("RIPEMD-160[%d](%s) = %s, expected %s", j, tv.in, s, tv.out)
}
md.Reset()
}
}
}
func millionA() string {
md := New()
for i := 0; i < 100000; i++ {
io.WriteString(md, "aaaaaaaaaa")
}
return fmt.Sprintf("%x", md.Sum(nil))
}
func TestMillionA(t *testing.T) {
const out = "52783243c1697bdbe16d37f97f68f08325dc1528"
if s := millionA(); s != out {
t.Fatalf("RIPEMD-160 (1 million 'a') = %s, expected %s", s, out)
}
}
func BenchmarkMillionA(b *testing.B) {
for i := 0; i < b.N; i++ {
millionA()
}
}