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package main
import (
"encoding/hex"
"testing"
)
type KDFTest struct {
key string
input string
t0 string
t1 string
t2 string
}
func assertEquals(t *testing.T, a string, b string) {
if a != b {
t.Fatal("expected", a, "=", b)
}
}
func TestKDF(t *testing.T) {
tests := []KDFTest{
{
key: "746573742d6b6579",
input: "746573742d696e707574",
t0: "6f0e5ad38daba1bea8a0d213688736f19763239305e0f58aba697f9ffc41c633",
t1: "df1194df20802a4fe594cde27e92991c8cae66c366e8106aaa937a55fa371e8a",
t2: "fac6e2745a325f5dc5d11a5b165aad08b0ada28e7b4e666b7c077934a4d76c24",
},
{
key: "776972656775617264",
input: "776972656775617264",
t0: "491d43bbfdaa8750aaf535e334ecbfe5129967cd64635101c566d4caefda96e8",
t1: "1e71a379baefd8a79aa4662212fcafe19a23e2b609a3db7d6bcba8f560e3d25f",
t2: "31e1ae48bddfbe5de38f295e5452b1909a1b4e38e183926af3780b0c1e1f0160",
},
{
key: "",
input: "",
t0: "8387b46bf43eccfcf349552a095d8315c4055beb90208fb1be23b894bc2ed5d0",
t1: "58a0e5f6faefccf4807bff1f05fa8a9217945762040bcec2f4b4a62bdfe0e86e",
t2: "0ce6ea98ec548f8e281e93e32db65621c45eb18dc6f0a7ad94178610a2f7338e",
},
}
for _, test := range tests {
key, _ := hex.DecodeString(test.key)
input, _ := hex.DecodeString(test.input)
t0, t1, t2 := KDF3(key, input)
t0s := hex.EncodeToString(t0[:])
t1s := hex.EncodeToString(t1[:])
t2s := hex.EncodeToString(t2[:])
assertEquals(t, t0s, test.t0)
assertEquals(t, t1s, test.t1)
assertEquals(t, t2s, test.t2)
}
for _, test := range tests {
key, _ := hex.DecodeString(test.key)
input, _ := hex.DecodeString(test.input)
t0, t1 := KDF2(key, input)
t0s := hex.EncodeToString(t0[:])
t1s := hex.EncodeToString(t1[:])
assertEquals(t, t0s, test.t0)
assertEquals(t, t1s, test.t1)
}
for _, test := range tests {
key, _ := hex.DecodeString(test.key)
input, _ := hex.DecodeString(test.input)
t0 := KDF1(key, input)
t0s := hex.EncodeToString(t0[:])
assertEquals(t, t0s, test.t0)
}
}
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