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// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
// SPDX-License-Identifier: MIT
package hmac
import ( //nolint:gci
"crypto/sha1" //nolint:gosec
"crypto/sha256"
"fmt"
"testing"
)
func BenchmarkHMACSHA1_512(b *testing.B) {
key := make([]byte, 32)
buf := make([]byte, 512)
b.ReportAllocs()
h := AcquireSHA1(key)
b.SetBytes(int64(len(buf)))
for i := 0; i < b.N; i++ {
h.Write(buf) //nolint:errcheck,gosec
h.Reset()
mac := h.Sum(nil)
buf[0] = mac[0]
}
}
func BenchmarkHMACSHA1_512_Pool(b *testing.B) {
key := make([]byte, 32)
buf := make([]byte, 512)
tBuf := make([]byte, 0, 512)
b.ReportAllocs()
b.SetBytes(int64(len(buf)))
for i := 0; i < b.N; i++ {
h := AcquireSHA1(key)
h.Write(buf) //nolint:errcheck,gosec
h.Reset()
mac := h.Sum(tBuf)
buf[0] = mac[0]
PutSHA1(h)
}
}
func TestHMACReset(t *testing.T) {
for i, tt := range hmacTests() {
h := New(tt.hash, tt.key)
h.(*hmac).resetTo(tt.key) //nolint:forcetypeassert
if s := h.Size(); s != tt.size {
t.Errorf("Size: got %v, want %v", s, tt.size)
}
if b := h.BlockSize(); b != tt.blocksize {
t.Errorf("BlockSize: got %v, want %v", b, tt.blocksize)
}
for j := 0; j < 2; j++ {
n, err := h.Write(tt.in)
if n != len(tt.in) || err != nil {
t.Errorf("test %d.%d: Write(%d) = %d, %v", i, j, len(tt.in), n, err)
continue
}
// Repetitive Sum() calls should return the same value
for k := 0; k < 2; k++ {
sum := fmt.Sprintf("%x", h.Sum(nil))
if sum != tt.out {
t.Errorf("test %d.%d.%d: have %s want %s", i, j, k, sum, tt.out)
}
}
// Second iteration: make sure reset works.
h.Reset()
}
}
}
func TestHMACPool_SHA1(t *testing.T) { //nolint:dupl
for i, tt := range hmacTests() {
if tt.blocksize != sha1.BlockSize || tt.size != sha1.Size {
continue
}
h := AcquireSHA1(tt.key)
if s := h.Size(); s != tt.size {
t.Errorf("Size: got %v, want %v", s, tt.size)
}
if b := h.BlockSize(); b != tt.blocksize {
t.Errorf("BlockSize: got %v, want %v", b, tt.blocksize)
}
for j := 0; j < 2; j++ {
n, err := h.Write(tt.in)
if n != len(tt.in) || err != nil {
t.Errorf("test %d.%d: Write(%d) = %d, %v", i, j, len(tt.in), n, err)
continue
}
// Repetitive Sum() calls should return the same value
for k := 0; k < 2; k++ {
sum := fmt.Sprintf("%x", h.Sum(nil))
if sum != tt.out {
t.Errorf("test %d.%d.%d: have %s want %s", i, j, k, sum, tt.out)
}
}
// Second iteration: make sure reset works.
h.Reset()
}
PutSHA1(h)
}
}
func TestHMACPool_SHA256(t *testing.T) { //nolint:dupl
for i, tt := range hmacTests() {
if tt.blocksize != sha256.BlockSize || tt.size != sha256.Size {
continue
}
h := AcquireSHA256(tt.key)
if s := h.Size(); s != tt.size {
t.Errorf("Size: got %v, want %v", s, tt.size)
}
if b := h.BlockSize(); b != tt.blocksize {
t.Errorf("BlockSize: got %v, want %v", b, tt.blocksize)
}
for j := 0; j < 2; j++ {
n, err := h.Write(tt.in)
if n != len(tt.in) || err != nil {
t.Errorf("test %d.%d: Write(%d) = %d, %v", i, j, len(tt.in), n, err)
continue
}
// Repetitive Sum() calls should return the same value
for k := 0; k < 2; k++ {
sum := fmt.Sprintf("%x", h.Sum(nil))
if sum != tt.out {
t.Errorf("test %d.%d.%d: have %s want %s", i, j, k, sum, tt.out)
}
}
// Second iteration: make sure reset works.
h.Reset()
}
PutSHA256(h)
}
}
func TestAssertBlockSize(t *testing.T) {
t.Run("Positive", func(t *testing.T) {
h := AcquireSHA1(make([]byte, 0, 1024))
assertHMACSize(h.(*hmac), sha1.Size, sha1.BlockSize) //nolint:forcetypeassert
})
t.Run("Negative", func(t *testing.T) {
defer func() {
if r := recover(); r == nil {
t.Error("should panic")
}
}()
h := AcquireSHA256(make([]byte, 0, 1024))
assertHMACSize(h.(*hmac), sha1.Size, sha1.BlockSize) //nolint:forcetypeassert
})
}
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