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Copy pathalgorithms_test.go
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1171 lines (1161 loc) · 27.2 KB
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package httpsig
import (
"crypto"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/hmac"
"crypto/rand"
"crypto/rsa"
"hash"
doNotUseInProdCode "math/rand"
"strings"
"testing"
)
func readFullFromCrypto(b []byte) error {
n := len(b)
t := 0
for t < n {
d, err := rand.Reader.Read(b[t:])
if d == 0 && err != nil {
return err
}
t += d
}
return nil
}
func TestIsAvailable(t *testing.T) {
tests := []struct {
name string
algo string
expected bool
expectError bool
}{
{
name: sha224String,
algo: sha224String,
expected: true,
expectError: false,
},
{
name: sha256String,
algo: sha256String,
expected: true,
expectError: false,
},
{
name: sha384String,
algo: sha384String,
expected: true,
expectError: false,
},
{
name: sha512String,
algo: sha512String,
expected: true,
expectError: false,
},
{
name: sha3_224String,
algo: sha3_224String,
expected: true,
expectError: false,
},
{
name: sha3_256String,
algo: sha3_256String,
expected: true,
expectError: false,
},
{
name: sha3_384String,
algo: sha3_384String,
expected: true,
expectError: false,
},
{
name: sha3_512String,
algo: sha3_512String,
expected: true,
expectError: false,
},
{
name: sha512_224String,
algo: sha512_224String,
expected: true,
expectError: false,
},
{
name: sha512_256String,
algo: sha512_256String,
expected: true,
expectError: false,
},
{
name: blake2s_256String,
algo: blake2s_256String,
expected: true,
expectError: false,
},
{
name: blake2b_256String,
algo: blake2b_256String,
expected: true,
expectError: false,
},
{
name: blake2b_384String,
algo: blake2b_384String,
expected: true,
expectError: false,
},
{
name: blake2b_512String,
algo: blake2b_512String,
expected: true,
expectError: false,
},
}
for _, test := range tests {
got, err := isAvailable(test.algo)
gotErr := err != nil
if got != test.expected {
t.Fatalf("%q: got %v, want %v", test.name, got, test.expected)
} else if gotErr != test.expectError {
if test.expectError {
t.Fatalf("%q: expected error, got: %s", test.name, err)
} else {
t.Fatalf("%q: expected no error, got: %s", test.name, err)
}
}
}
}
func TestSignerFromString(t *testing.T) {
tests := []struct {
name string
input Algorithm
expectKind crypto.Hash
expectError bool
}{
{
name: "HMAC_SHA224",
input: HMAC_SHA224,
expectError: true,
},
{
name: "HMAC_SHA256",
input: HMAC_SHA256,
expectError: true,
},
{
name: "HMAC_SHA384",
input: HMAC_SHA384,
expectError: true,
},
{
name: "HMAC_SHA512",
input: HMAC_SHA512,
expectError: true,
},
{
name: "HMAC_SHA3_224",
input: HMAC_SHA3_224,
expectError: true,
},
{
name: "HMAC_SHA3_256",
input: HMAC_SHA3_256,
expectError: true,
},
{
name: "HMAC_SHA3_384",
input: HMAC_SHA3_384,
expectError: true,
},
{
name: "HMAC_SHA3_512",
input: HMAC_SHA3_512,
expectError: true,
},
{
name: "HMAC_SHA512_224",
input: HMAC_SHA512_224,
expectError: true,
},
{
name: "HMAC_SHA512_256",
input: HMAC_SHA512_256,
expectError: true,
},
{
name: "HMAC_BLAKE2S_256",
input: HMAC_BLAKE2S_256,
expectError: true,
},
{
name: "HMAC_BLAKE2B_256",
input: HMAC_BLAKE2B_256,
expectError: true,
},
{
name: "HMAC_BLAKE2B_384",
input: HMAC_BLAKE2B_384,
expectError: true,
},
{
name: "HMAC_BLAKE2B_512",
input: HMAC_BLAKE2B_512,
expectError: true,
},
{
name: "BLAKE2S_256",
input: BLAKE2S_256,
expectError: true,
},
{
name: "BLAKE2B_256",
input: BLAKE2B_256,
expectError: true,
},
{
name: "BLAKE2B_384",
input: BLAKE2B_384,
expectError: true,
},
{
name: "BLAKE2B_512",
input: BLAKE2B_512,
expectError: true,
},
{
name: "RSA_SHA224",
input: RSA_SHA224,
expectKind: crypto.SHA224,
},
{
name: "RSA_SHA256",
input: RSA_SHA256,
expectKind: crypto.SHA256,
},
{
name: "RSA_SHA384",
input: RSA_SHA384,
expectKind: crypto.SHA384,
},
{
name: "RSA_SHA512",
input: RSA_SHA512,
expectKind: crypto.SHA512,
},
{
name: "rsa_SHA3_224",
input: rsa_SHA3_224,
expectKind: crypto.SHA3_224,
},
{
name: "rsa_SHA3_256",
input: rsa_SHA3_256,
expectKind: crypto.SHA3_256,
},
{
name: "rsa_SHA3_384",
input: rsa_SHA3_384,
expectKind: crypto.SHA3_384,
},
{
name: "rsa_SHA3_512",
input: rsa_SHA3_512,
expectKind: crypto.SHA3_512,
},
{
name: "rsa_SHA512_224",
input: rsa_SHA512_224,
expectKind: crypto.SHA512_224,
},
{
name: "rsa_SHA512_256",
input: rsa_SHA512_256,
expectKind: crypto.SHA512_256,
},
{
name: "rsa_BLAKE2S_256",
input: rsa_BLAKE2S_256,
expectKind: crypto.BLAKE2s_256,
},
{
name: "rsa_BLAKE2B_256",
input: rsa_BLAKE2B_256,
expectKind: crypto.BLAKE2b_256,
},
{
name: "rsa_BLAKE2B_384",
input: rsa_BLAKE2B_384,
expectKind: crypto.BLAKE2b_384,
},
{
name: "rsa_BLAKE2B_512",
input: rsa_BLAKE2B_512,
expectKind: crypto.BLAKE2b_512,
},
{
name: "ECDSA_SHA224",
input: ECDSA_SHA224,
expectKind: crypto.SHA224,
},
{
name: "ECDSA_SHA256",
input: ECDSA_SHA256,
expectKind: crypto.SHA256,
},
{
name: "ECDSA_SHA384",
input: ECDSA_SHA384,
expectKind: crypto.SHA384,
},
{
name: "ECDSA_SHA512",
input: ECDSA_SHA512,
expectKind: crypto.SHA512,
},
}
for _, test := range tests {
s, err := signerFromString(string(test.input))
hasErr := err != nil
if hasErr != test.expectError {
if test.expectError {
t.Fatalf("%q: expected error, got: %s", test.name, err)
} else {
t.Fatalf("%q: expected no error, got: %s", test.name, err)
}
} else if err == nil {
want, ok := hashToDef[test.expectKind]
if !ok {
t.Fatalf("%q: Bad test setup, cannot find %q", test.name, test.expectKind)
}
if !strings.HasSuffix(s.String(), want.name) {
t.Fatalf("%q: expected suffix %q, got %q", test.name, want.name, s.String())
}
}
}
}
func TestMACerFromString(t *testing.T) {
tests := []struct {
name string
input Algorithm
expectKind crypto.Hash
expectError bool
}{
{
name: "HMAC_SHA224",
input: HMAC_SHA224,
expectKind: crypto.SHA224,
},
{
name: "HMAC_SHA256",
input: HMAC_SHA256,
expectKind: crypto.SHA256,
},
{
name: "HMAC_SHA384",
input: HMAC_SHA384,
expectKind: crypto.SHA384,
},
{
name: "HMAC_SHA512",
input: HMAC_SHA512,
expectKind: crypto.SHA512,
},
{
name: "HMAC_SHA3_224",
input: HMAC_SHA3_224,
expectKind: crypto.SHA3_224,
},
{
name: "HMAC_SHA3_256",
input: HMAC_SHA3_256,
expectKind: crypto.SHA3_256,
},
{
name: "HMAC_SHA3_384",
input: HMAC_SHA3_384,
expectKind: crypto.SHA3_384,
},
{
name: "HMAC_SHA3_512",
input: HMAC_SHA3_512,
expectKind: crypto.SHA3_512,
},
{
name: "HMAC_SHA512_224",
input: HMAC_SHA512_224,
expectKind: crypto.SHA512_224,
},
{
name: "HMAC_SHA512_256",
input: HMAC_SHA512_256,
expectKind: crypto.SHA512_256,
},
{
name: "HMAC_BLAKE2S_256",
input: HMAC_BLAKE2S_256,
expectKind: crypto.BLAKE2s_256,
},
{
name: "HMAC_BLAKE2B_256",
input: HMAC_BLAKE2B_256,
expectKind: crypto.BLAKE2b_256,
},
{
name: "HMAC_BLAKE2B_384",
input: HMAC_BLAKE2B_384,
expectKind: crypto.BLAKE2b_384,
},
{
name: "HMAC_BLAKE2B_512",
input: HMAC_BLAKE2B_512,
expectKind: crypto.BLAKE2b_512,
},
{
name: "BLAKE2S_256",
input: BLAKE2S_256,
expectKind: crypto.BLAKE2s_256,
},
{
name: "BLAKE2B_256",
input: BLAKE2B_256,
expectKind: crypto.BLAKE2b_256,
},
{
name: "BLAKE2B_384",
input: BLAKE2B_384,
expectKind: crypto.BLAKE2b_384,
},
{
name: "BLAKE2B_512",
input: BLAKE2B_512,
expectKind: crypto.BLAKE2b_512,
},
{
name: "RSA_SHA224",
input: RSA_SHA224,
expectError: true,
},
{
name: "RSA_SHA256",
input: RSA_SHA256,
expectError: true,
},
{
name: "RSA_SHA384",
input: RSA_SHA384,
expectError: true,
},
{
name: "RSA_SHA512",
input: RSA_SHA512,
expectError: true,
},
{
name: "rsa_SHA3_224",
input: rsa_SHA3_224,
expectError: true,
},
{
name: "rsa_SHA3_256",
input: rsa_SHA3_256,
expectError: true,
},
{
name: "rsa_SHA3_384",
input: rsa_SHA3_384,
expectError: true,
},
{
name: "rsa_SHA3_512",
input: rsa_SHA3_512,
expectError: true,
},
{
name: "rsa_SHA512_224",
input: rsa_SHA512_224,
expectError: true,
},
{
name: "rsa_SHA512_256",
input: rsa_SHA512_256,
expectError: true,
},
{
name: "rsa_BLAKE2S_256",
input: rsa_BLAKE2S_256,
expectError: true,
},
{
name: "rsa_BLAKE2B_256",
input: rsa_BLAKE2B_256,
expectError: true,
},
{
name: "rsa_BLAKE2B_384",
input: rsa_BLAKE2B_384,
expectError: true,
},
{
name: "rsa_BLAKE2B_512",
input: rsa_BLAKE2B_512,
expectError: true,
},
}
for _, test := range tests {
m, err := macerFromString(string(test.input))
hasErr := err != nil
if hasErr != test.expectError {
if test.expectError {
t.Fatalf("%q: expected error, got: %s", test.name, err)
} else {
t.Fatalf("%q: expected no error, got: %s", test.name, err)
}
} else if err == nil {
want, ok := hashToDef[test.expectKind]
if !ok {
t.Fatalf("%q: Bad test setup, cannot find %q", test.name, test.expectKind)
}
if !strings.HasSuffix(m.String(), want.name) {
t.Fatalf("%q: expected suffix %q, got %q", test.name, want.name, m.String())
}
}
}
}
func TestSignerSigns(t *testing.T) {
tests := []struct {
name string
input Algorithm
inputCryptoHash crypto.Hash
// Only the BLAKE2 hashes lack a PKCS#1 v1.5 DigestInfo prefix.
expectRSAUnsupported bool
}{
{
name: "RSA_SHA224",
input: RSA_SHA224,
inputCryptoHash: crypto.SHA224,
},
{
name: "RSA_SHA256",
input: RSA_SHA256,
inputCryptoHash: crypto.SHA256,
},
{
name: "RSA_SHA384",
input: RSA_SHA384,
inputCryptoHash: crypto.SHA384,
},
{
name: "RSA_SHA512",
input: RSA_SHA512,
inputCryptoHash: crypto.SHA512,
},
{
name: "rsa_SHA3_224",
input: rsa_SHA3_224,
inputCryptoHash: crypto.SHA3_224,
},
{
name: "rsa_SHA3_256",
input: rsa_SHA3_256,
inputCryptoHash: crypto.SHA3_256,
},
{
name: "rsa_SHA3_384",
input: rsa_SHA3_384,
inputCryptoHash: crypto.SHA3_384,
},
{
name: "rsa_SHA3_512",
input: rsa_SHA3_512,
inputCryptoHash: crypto.SHA3_512,
},
{
name: "rsa_SHA512_224",
input: rsa_SHA512_224,
inputCryptoHash: crypto.SHA512_224,
},
{
name: "rsa_SHA512_256",
input: rsa_SHA512_256,
inputCryptoHash: crypto.SHA512_256,
},
{
name: "rsa_BLAKE2S_256",
input: rsa_BLAKE2S_256,
inputCryptoHash: crypto.BLAKE2s_256,
expectRSAUnsupported: true,
},
{
name: "rsa_BLAKE2B_256",
input: rsa_BLAKE2B_256,
inputCryptoHash: crypto.BLAKE2b_256,
expectRSAUnsupported: true,
},
{
name: "rsa_BLAKE2B_384",
input: rsa_BLAKE2B_384,
inputCryptoHash: crypto.BLAKE2b_384,
expectRSAUnsupported: true,
},
{
name: "rsa_BLAKE2B_512",
input: rsa_BLAKE2B_512,
inputCryptoHash: crypto.BLAKE2b_512,
expectRSAUnsupported: true,
},
}
for _, test := range tests {
privKey, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
t.Fatalf("%q: Failed setup: %s", test.name, err)
}
sig := make([]byte, 65535)
n, err := doNotUseInProdCode.Read(sig)
if n != len(sig) {
t.Fatalf("%q: Failed setup: %d bytes != %d bytes", test.name, n, len(sig))
} else if err != nil {
t.Fatalf("%q: Failed setup: %s", test.name, err)
}
s, err := signerFromString(string(test.input))
if err != nil {
t.Fatalf("%q: %s", test.name, err)
}
seed := doNotUseInProdCode.Int63()
doNotUseThisKindOfRandInProdCodeTest := doNotUseInProdCode.New(doNotUseInProdCode.NewSource(seed))
doNotUseThisKindOfRandInProdCodeTestVerify := doNotUseInProdCode.New(doNotUseInProdCode.NewSource(seed))
actual, err := s.Sign(doNotUseThisKindOfRandInProdCodeTest, privKey, sig)
hasErr := err != nil
if test.expectRSAUnsupported != hasErr {
if test.expectRSAUnsupported {
t.Fatalf("%q: expected error, got: %s", test.name, err)
} else {
t.Fatalf("%q: expected no error, got: %s", test.name, err)
}
} else if !test.expectRSAUnsupported && err != nil {
t.Fatalf("%q: %s", test.name, err)
} else if test.expectRSAUnsupported {
// Skip further testing -- just need to verify it is
// unsupported.
continue
}
testHash, err := hashToDef[test.inputCryptoHash].new(nil)
if err != nil {
t.Fatalf("%q: %s", test.name, err)
}
n, err = testHash.Write(sig)
if n != len(sig) {
t.Fatalf("%q: Failed setup: %d bytes != %d bytes", test.name, n, len(sig))
} else if err != nil {
t.Fatalf("%q: Failed setup: %s", test.name, err)
}
want, err := rsa.SignPKCS1v15(doNotUseThisKindOfRandInProdCodeTestVerify, privKey, test.inputCryptoHash, testHash.Sum(nil))
if err != nil {
t.Fatalf("%q: %s", test.name, err)
}
if len(actual) != len(want) {
t.Fatalf("%q: len actual (%d) != len want (%d)", test.name, len(actual), len(want))
}
for i, v := range actual {
if v != want[i] {
t.Fatalf("%q: difference beginning at index %d:\nwant: %v\nactual: %v", test.name, i, want, actual)
}
}
}
}
func TestSignerVerifies(t *testing.T) {
tests := []struct {
name string
input Algorithm
inputCryptoHash crypto.Hash
}{
{
name: "RSA_SHA224",
input: RSA_SHA224,
inputCryptoHash: crypto.SHA224,
},
{
name: "RSA_SHA256",
input: RSA_SHA256,
inputCryptoHash: crypto.SHA256,
},
{
name: "RSA_SHA384",
input: RSA_SHA384,
inputCryptoHash: crypto.SHA384,
},
{
name: "RSA_SHA512",
input: RSA_SHA512,
inputCryptoHash: crypto.SHA512,
},
}
for _, test := range tests {
privKey, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
t.Fatalf("%q: Failed setup: %s", test.name, err)
}
toHash := make([]byte, 65535)
n, err := doNotUseInProdCode.Read(toHash)
if n != len(toHash) {
t.Fatalf("%q: Failed setup: %d bytes != %d bytes", test.name, n, len(toHash))
} else if err != nil {
t.Fatalf("%q: Failed setup: %s", test.name, err)
}
testHash, err := hashToDef[test.inputCryptoHash].new(nil)
if err != nil {
t.Fatalf("%q: %s", test.name, err)
}
n, err = testHash.Write(toHash)
if n != len(toHash) {
t.Fatalf("%q: Failed setup: %d bytes != %d bytes", test.name, n, len(toHash))
} else if err != nil {
t.Fatalf("%q: Failed setup: %s", test.name, err)
}
signature, err := rsa.SignPKCS1v15(rand.Reader, privKey, test.inputCryptoHash, testHash.Sum(nil))
if err != nil {
t.Fatalf("%q: %s", test.name, err)
}
s, err := signerFromString(string(test.input))
if err != nil {
t.Fatalf("%q: %s", test.name, err)
}
err = s.Verify(privKey.Public(), toHash, signature)
if err != nil {
t.Fatalf("%q: %s", test.name, err)
}
}
}
// ECDSA signatures are not deterministic, so sign and verify are tested as a
// round trip instead of against a fixed signature.
func TestECDSASignerSignsAndVerifies(t *testing.T) {
tests := []struct {
name string
input Algorithm
curve elliptic.Curve
}{
{
name: "ECDSA_SHA224",
input: ECDSA_SHA224,
curve: elliptic.P256(),
},
{
name: "ECDSA_SHA256",
input: ECDSA_SHA256,
curve: elliptic.P256(),
},
{
name: "ECDSA_SHA384",
input: ECDSA_SHA384,
curve: elliptic.P384(),
},
{
name: "ECDSA_SHA512",
input: ECDSA_SHA512,
curve: elliptic.P521(),
},
}
for _, test := range tests {
privKey, err := ecdsa.GenerateKey(test.curve, rand.Reader)
if err != nil {
t.Fatalf("%q: Failed setup: %s", test.name, err)
}
toHash := make([]byte, 65535)
n, err := doNotUseInProdCode.Read(toHash)
if n != len(toHash) {
t.Fatalf("%q: Failed setup: %d bytes != %d bytes", test.name, n, len(toHash))
} else if err != nil {
t.Fatalf("%q: Failed setup: %s", test.name, err)
}
s, err := signerFromString(string(test.input))
if err != nil {
t.Fatalf("%q: %s", test.name, err)
}
signature, err := s.Sign(rand.Reader, privKey, toHash)
if err != nil {
t.Fatalf("%q: %s", test.name, err)
}
if err := s.Verify(privKey.Public(), toHash, signature); err != nil {
t.Fatalf("%q: %s", test.name, err)
}
}
}
func TestMACerSigns(t *testing.T) {
tests := []struct {
name string
input Algorithm
inputCryptoHash crypto.Hash
isHMAC bool
keySize int
}{
{
name: "HMAC_SHA224",
input: HMAC_SHA224,
inputCryptoHash: crypto.SHA224,
isHMAC: true,
keySize: 128,
},
{
name: "HMAC_SHA256",
input: HMAC_SHA256,
inputCryptoHash: crypto.SHA256,
isHMAC: true,
keySize: 128,
},
{
name: "HMAC_SHA384",
input: HMAC_SHA384,
inputCryptoHash: crypto.SHA384,
isHMAC: true,
keySize: 128,
},
{
name: "HMAC_SHA512",
input: HMAC_SHA512,
inputCryptoHash: crypto.SHA512,
isHMAC: true,
keySize: 128,
},
{
name: "HMAC_SHA3_224",
input: HMAC_SHA3_224,
inputCryptoHash: crypto.SHA3_224,
isHMAC: true,
keySize: 128,
},
{
name: "HMAC_SHA3_256",
input: HMAC_SHA3_256,
inputCryptoHash: crypto.SHA3_256,
isHMAC: true,
keySize: 128,
},
{
name: "HMAC_SHA3_384",
input: HMAC_SHA3_384,
inputCryptoHash: crypto.SHA3_384,
isHMAC: true,
keySize: 128,
},
{
name: "HMAC_SHA3_512",
input: HMAC_SHA3_512,
inputCryptoHash: crypto.SHA3_512,
isHMAC: true,
keySize: 128,
},
{
name: "HMAC_SHA512_224",
input: HMAC_SHA512_224,
inputCryptoHash: crypto.SHA512_224,
isHMAC: true,
keySize: 128,
},
{
name: "HMAC_SHA512_256",
input: HMAC_SHA512_256,
inputCryptoHash: crypto.SHA512_256,
isHMAC: true,
keySize: 128,
},
{
name: "HMAC_BLAKE2S_256",
input: HMAC_BLAKE2S_256,
inputCryptoHash: crypto.BLAKE2s_256,
isHMAC: true,
keySize: 128,
},
{
name: "HMAC_BLAKE2B_256",
input: HMAC_BLAKE2B_256,
inputCryptoHash: crypto.BLAKE2b_256,
isHMAC: true,
keySize: 128,
},
{
name: "HMAC_BLAKE2B_384",
input: HMAC_BLAKE2B_384,
inputCryptoHash: crypto.BLAKE2b_384,
isHMAC: true,
keySize: 128,
},
{
name: "HMAC_BLAKE2B_512",
input: HMAC_BLAKE2B_512,
inputCryptoHash: crypto.BLAKE2b_512,
isHMAC: true,
keySize: 128,
},
{
name: "BLAKE2S_256",
input: BLAKE2S_256,
inputCryptoHash: crypto.BLAKE2s_256,
keySize: 32,
},
{
name: "BLAKE2B_256",
input: BLAKE2B_256,
inputCryptoHash: crypto.BLAKE2b_256,
keySize: 64,
},
{
name: "BLAKE2B_384",
input: BLAKE2B_384,
inputCryptoHash: crypto.BLAKE2b_384,
keySize: 64,
},
{
name: "BLAKE2B_512",
input: BLAKE2B_512,
inputCryptoHash: crypto.BLAKE2b_512,
keySize: 64,
},
}
for _, test := range tests {
privKey := make([]byte, test.keySize)
err := readFullFromCrypto(privKey)
if err != nil {
t.Fatalf("%q: Failed setup: %s", test.name, err)
}
sig := make([]byte, 65535)
n, err := doNotUseInProdCode.Read(sig)
if n != len(sig) {
t.Fatalf("%q: Failed setup: %d bytes != %d bytes", test.name, n, len(sig))
} else if err != nil {
t.Fatalf("%q: Failed setup: %s", test.name, err)
}
m, err := macerFromString(string(test.input))
if err != nil {
t.Fatalf("%q: %s", test.name, err)
}
actual, err := m.Sign(sig, privKey)
if err != nil {
t.Fatalf("%q: %s", test.name, err)
}
var want []byte
if test.isHMAC {
hmacHash := hmac.New(func() hash.Hash {
testHash, err := hashToDef[test.inputCryptoHash].new(nil)
if err != nil {
t.Fatalf("%q: %s", test.name, err)
}
return testHash
}, privKey)
n, err = hmacHash.Write(sig)
if n != len(sig) {
t.Fatalf("%q: Failed setup: %d bytes != %d bytes", test.name, n, len(sig))
} else if err != nil {
t.Fatalf("%q: Failed setup: %s", test.name, err)
}
want = hmacHash.Sum(nil)
} else {
testHash, err := hashToDef[test.inputCryptoHash].new(privKey)
if err != nil {
t.Fatalf("%q: %s", test.name, err)
}
n, err = testHash.Write(sig)
if n != len(sig) {
t.Fatalf("%q: Failed setup: %d bytes != %d bytes", test.name, n, len(sig))
} else if err != nil {
t.Fatalf("%q: Failed setup: %s", test.name, err)
}
want = testHash.Sum(nil)
}
if len(actual) != len(want) {
t.Fatalf("%q: len actual (%d) != len want (%d)", test.name, len(actual), len(want))
}
for i, v := range actual {
if v != want[i] {
t.Fatalf("%q: difference beginning at index %d:\nwant: %v\nactual: %v", test.name, i, want, actual)
}
}
}
}
func TestMACerEquals(t *testing.T) {
tests := []struct {
name string
input Algorithm
inputCryptoHash crypto.Hash
isHMAC bool
keySize int
}{
{
name: "HMAC_SHA224",
input: HMAC_SHA224,
inputCryptoHash: crypto.SHA224,
isHMAC: true,
keySize: 128,