|
17 | 17 | package crypto |
18 | 18 |
|
19 | 19 | import ( |
| 20 | + "math/rand" |
20 | 21 | "testing" |
21 | 22 |
|
22 | 23 | "github.com/stretchr/testify/require" |
@@ -123,4 +124,72 @@ func TestEmpty(t *testing.T) { |
123 | 124 | partitiontest.PartitionTest(t) |
124 | 125 | bv := MakeBatchVerifier() |
125 | 126 | require.NoError(t, bv.Verify()) |
| 127 | + |
| 128 | + failed, err := bv.VerifyWithFeedback() |
| 129 | + require.NoError(t, err) |
| 130 | + require.Empty(t, failed) |
| 131 | +} |
| 132 | + |
| 133 | +// TestBatchVerifierIndividualResults tests that VerifyWithFeedback |
| 134 | +// returns the correct failed signature indexes |
| 135 | +func TestBatchVerifierIndividualResults(t *testing.T) { |
| 136 | + partitiontest.PartitionTest(t) |
| 137 | + |
| 138 | + for i := 1; i < 64*2+3; i++ { |
| 139 | + n := i |
| 140 | + bv := MakeBatchVerifierWithHint(n) |
| 141 | + var s Seed |
| 142 | + badSigs := make([]bool, n, n) |
| 143 | + hasBadSig := false |
| 144 | + for i := 0; i < n; i++ { |
| 145 | + msg := randString() |
| 146 | + RandBytes(s[:]) |
| 147 | + sigSecrets := GenerateSignatureSecrets(s) |
| 148 | + sig := sigSecrets.Sign(msg) |
| 149 | + if rand.Float32() > 0.5 { |
| 150 | + // make a bad sig |
| 151 | + sig[0] = sig[0] + 1 |
| 152 | + badSigs[i] = true |
| 153 | + hasBadSig = true |
| 154 | + } |
| 155 | + bv.EnqueueSignature(sigSecrets.SignatureVerifier, msg, sig) |
| 156 | + } |
| 157 | + require.Equal(t, n, bv.getNumberOfEnqueuedSignatures()) |
| 158 | + failed, err := bv.VerifyWithFeedback() |
| 159 | + if hasBadSig { |
| 160 | + require.ErrorIs(t, err, ErrBatchVerificationFailed) |
| 161 | + } else { |
| 162 | + require.NoError(t, err) |
| 163 | + } |
| 164 | + require.Equal(t, len(badSigs), len(failed)) |
| 165 | + for i := range badSigs { |
| 166 | + require.Equal(t, badSigs[i], failed[i]) |
| 167 | + } |
| 168 | + } |
| 169 | +} |
| 170 | + |
| 171 | +// TestBatchVerifierIndividualResultsAllValid tests that VerifyWithFeedback |
| 172 | +// returns the correct failed signature indexes when all are valid |
| 173 | +func TestBatchVerifierIndividualResultsAllValid(t *testing.T) { |
| 174 | + partitiontest.PartitionTest(t) |
| 175 | + |
| 176 | + for i := 1; i < 64*2+3; i++ { |
| 177 | + n := i |
| 178 | + bv := MakeBatchVerifierWithHint(n) |
| 179 | + var s Seed |
| 180 | + for i := 0; i < n; i++ { |
| 181 | + msg := randString() |
| 182 | + RandBytes(s[:]) |
| 183 | + sigSecrets := GenerateSignatureSecrets(s) |
| 184 | + sig := sigSecrets.Sign(msg) |
| 185 | + bv.EnqueueSignature(sigSecrets.SignatureVerifier, msg, sig) |
| 186 | + } |
| 187 | + require.Equal(t, n, bv.getNumberOfEnqueuedSignatures()) |
| 188 | + failed, err := bv.VerifyWithFeedback() |
| 189 | + require.NoError(t, err) |
| 190 | + require.Equal(t, bv.getNumberOfEnqueuedSignatures(), len(failed)) |
| 191 | + for _, f := range failed { |
| 192 | + require.False(t, f) |
| 193 | + } |
| 194 | + } |
126 | 195 | } |
0 commit comments