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* Fuzz tests * Export test vectors * Initial corpus * more corpus
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| Original file line number | Diff line number | Diff line change |
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| ɯ��E�uk\!Wg�֓NP��6�{�E+g!�: �,���f�k�{V����g�@�rV��K�T���ҳ���O�,��[R M�īc | ||
| |Tg J �K����T��⺠�test |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| ɯ��E�uk\!Wg�֓NP��6�{�b+g!�: ,���f�k�{V����g�@�rV��K�T���ҳ���O�,��[R �īc | ||
| |Tg J �K����T��⺠�test |
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| ɯ��E�uk\!Wg�֓NP��6� {�b+g!�: �,���f�k�{V����g�@�rV��K�T���ҳ���O�,��[R M�īc | ||
| |Tg J �K����T��⺠� X�H���nq_�yme�sample |
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|---|---|---|
| @@ -0,0 +1 @@ | ||
| ɯ��E�uk\!Wg�֓NP��6�{�b+g!�ܤ�9�}���/�����~��V���W�$4�l͇�>�����������H$ X�H�ç�a���nqu�yme�s | ||
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|---|---|---|
| @@ -0,0 +1 @@ | ||
| ɯ��E�uk\!Wg�֓NP��159 6675759�{�b+g!�ܤ�9�}���/��i �fY����~��V���W�$4�l͇�>�����������H$ X�H��ç�a���nqu�yme�sample | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| ,�AA�uk\!Wg�֓NP��6�{�b+g!��9�}���/�����~��Vo�f�^���AZh147121735�?lyn6{/Fp&IY��K�q ���W"ӣ>�ſ�+� ^јdE-256 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| ɯ��E�uk\!Wg�֓NP��b+g!�ܤ�9�}���/�����~��V���W�$4�l͇�>�����������H$ X�H��ç�a���nqu�yme�sample | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| ,�AA�{$̌;��? *l諹}�I�P�����;:��<hU��)Q~��i��"�o�f�^���AZh6��?lyn6{/Fp&IY��K�q ���W"ӣ>�ſ�+� ^јdE-256 | ||
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| @@ -0,0 +1,2 @@ | ||
| ɯ��E�uk\!Wg�֓NP��6�{�b+g!�: �,���f�k�{V����g�@�rV��K�T���ҳ���O�,��[R M�īc | ||
| |Tg J �K����T��⺠� X�H��ça���nqu�yme�sample |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| ɯ��E�uk\!Wg�֓P�6�{�b�g!�ܤ�9�}���/�+���~��V���W�$4�l͇�>�����������H$ X�E��ç�a���nqu�yme�sample | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| ɯ��E�uk\!Wg�֓NP��6�{�b+g!�: �,���f�k�{V����g�@�rV��K�T���ҳ���O�,��[R M�īc | ||
| |Tg J �K����T��⺠� X�H���nqu�yme�sample |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| ɯ��E�uk\!Wg�֓NP�īc|TE+g!�: �,���f�k�{V����g�@�rV��K�T���ҳ���O�,��[R M�īc | ||
| |Tg J �K����T��d���test |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| ɯ��E�u�!Wg�q�NP��159 6675759�{�b+g!�ܤ�9�}���/��i �fY����~��V���W�$4�l͇�>�����������H$ X�H��ç�a���nqu�yme�sample | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| ɯ��E�uk\!Wg�֓NP��6�{�b+g!�ܤ�9�}���/�����~��V���W�$4�l͇�>�����������H$ X�H��ç�a���nqu�yme�sample | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| ɯ��E�uk\!Wg�֓NP��6�{�b+g!�: �,���f�k�{V����g�@�rV��K�T���ҳ���O�,��[R M�īc | ||
| |Tg J �K����T��⺠�test |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| ����E�uk\!Wg�֓NP��6�{�b+g!�: �,���f�k�{V����g�@�rV��K�T���ҳ���O�,��[R M�īc | ||
| |Tg J �K����T��⺠�test |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| ,�AA�{$̌;��? *l諹}�I�P����;:�~�i��"�o�f�^���AZh6��?lyn6{/Fp&IY��K�q ���W"ӣ>�ſ�+� ^јdExe of ECDSA with aand | ||
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| @@ -0,0 +1,2 @@ | ||
| ɯ��E�uk\!Wg�֓NP���{�b+g!�: �,���f�k�{V����g�@�rV��K�T���ҳ���O�,��[R M�īc | ||
| |Tg J �K����T��⺠�test |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| ɯ��E�g�֓NP��6�{�b+g!�ܤ�9�}���/�����~��V���W�$4�l͇�>�����������H$ X�H��ç�a���nqu�yme�sample | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| ɯ��E�g�֓NP��6�{�b+g!�Ҥ�9�}���/�����~��V���W�$4�l͇�>�����������H X�H��ç�a���nqu�yme�sample | ||
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|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| ɯ��E�uk\!Wg�֓NP��6�{�E+g!�: �,���f�k�{V����g�@�rV��K�T���ҳ���O�,��[R M�īc | ||
| |Tg J �K����T��d���test |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| ɯ��E�uk\!Wg�֓NP��1�{��+�b+gg!�: �,���f�k�{V����g�@�rV��K�T���ҳ���O�,��[R`�īc | ||
| |Tg JA�K����T���b��tPst |
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| @@ -0,0 +1,2 @@ | ||
| ɯ�E�u\!Wg�֓NP��6�{�b+!�: �,���f�k�{V����g�@�rV��K�T���ҳ���O�,��[R M�īc | ||
| |Tg J �K����T��⺠�test |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| ɯ��E�uk\!Wg�֓NP��6�{�b+g!��9�}���/�����~��V���W�$4�l͇�>�����������H$ X�H��ç�a���nqu�yme�sa | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1 @@ | ||
| ɯ��E�uk\!Wg�q�NP��159 6675759�{�b+g!�ܤ�9�}���/��i �fY����~��V���W�$4�l͇�>�����������H$ X�H��ç�a���nqu�yme�sample | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| ,�AA�{$̌;��?���;:��<hU��)Q~��i��"�o�f�^���AZh6��?lyn6IY��K�q ���W"ӣ>�ſ�+� ^јdExample of ECDSA with ansip256r1 an� SHA-256 |
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| ɯ�E�k\!Wg�֓NP��6�{�b+g!�: �,���f�k�{V����g�@�rV��K�T���ҳ���O�,��[R M�īc | ||
| |Tg J �K����T��⺠�tes |
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| ɯ��E�uk\!Wg�֓NP��6�{�bg!�ܤ�9�}���/�����~��V���W�$4�l͇�>�����������H$ X�H��ç�a���nqu�yme�sample | ||
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| ɯ��E�uk\!Wg�֓.P��6�{�b+g!�ܤ�9�}���/�������W�$4�~��V���W�$4�l͇�>�����������H$ X�H��ç�a���e�saY | ||
| mple | ||
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| ɯ��E�uk\!Wg�֓NP��6�{�b+g!��9�}���/�����~��V���W�$4�l͇�>�����������H$ X�H��ç�����nqu�yme�sa | ||
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| // Copyright 2020 Google Inc. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| // +build gofuzz | ||
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| package vrf | ||
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| import ( | ||
| "bytes" | ||
| "encoding/binary" | ||
| "fmt" | ||
| ) | ||
|
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| // To run the fuzzer: | ||
| // $ go get -u github.com/dvyukov/go-fuzz/go-fuzz github.com/dvyukov/go-fuzz/go-fuzz-build | ||
| // $ cd go/vrf | ||
| // $ go-fuzz-build | ||
| // $ go-fuzz | ||
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| const ( | ||
| skLen = 32 | ||
| piLen = 33 + 16 + 32 // ptLen + fieldLen/2 + qLen | ||
| ) | ||
|
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| type Input struct { | ||
| SK [skLen]byte | ||
| PI [piLen]byte | ||
| Alpha []byte | ||
| } | ||
|
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| func NewInput(sk, pi, alpha []byte) (Input, error) { | ||
| if got := len(sk); got != skLen { | ||
| return Input{}, fmt.Errorf("len(sk): %v, want %v", got, skLen) | ||
| } | ||
| if got := len(pi); got != piLen { | ||
| return Input{}, fmt.Errorf("len(pi): %v, want %v", got, piLen) | ||
| } | ||
|
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| var i Input | ||
| copy(i.SK[:], sk) | ||
| copy(i.PI[:], pi) | ||
| i.Alpha = alpha | ||
| return i, nil | ||
| } | ||
|
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| func (i Input) MarshalBinary() ([]byte, error) { | ||
| b := new(bytes.Buffer) | ||
| if err := binary.Write(b, binary.BigEndian, i.SK); err != nil { | ||
| return nil, err | ||
| } | ||
| if err := binary.Write(b, binary.BigEndian, i.PI); err != nil { | ||
| return nil, err | ||
| } | ||
| if err := binary.Write(b, binary.BigEndian, i.Alpha); err != nil { | ||
| return nil, err | ||
| } | ||
| return b.Bytes(), nil | ||
| } | ||
|
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| func (i *Input) UnmarshalBinary(data []byte) error { | ||
| b := bytes.NewBuffer(data) | ||
| if err := binary.Read(b, binary.BigEndian, &i.SK); err != nil { | ||
| return err | ||
| } | ||
| if err := binary.Read(b, binary.BigEndian, &i.PI); err != nil { | ||
| return err | ||
| } | ||
| a := new(bytes.Buffer) | ||
| if _, err := a.ReadFrom(b); err != nil { | ||
| return err | ||
| } | ||
| i.Alpha = a.Bytes() | ||
| return nil | ||
| } | ||
|
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| // Fuzz returns 1 if the fuzzer should increase the priority of the input, | ||
| // -1 if the input must not be added to the corpus, and 0 otherwise. | ||
| func FuzzVerify(data []byte) int { | ||
| var i Input | ||
| if err := i.UnmarshalBinary(data); err != nil { | ||
| return -1 | ||
| } | ||
|
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| v := ECVRFP256SHA256TAI() | ||
| sk := NewKey(v.Params().ec, i.SK[:]) | ||
| _, err := v.Verify(sk.Public(), i.PI[:], i.Alpha) | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
| return 1 | ||
| } | ||
|
|
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| func FuzzProve(data []byte) int { | ||
| var i Input | ||
| if err := i.UnmarshalBinary(data); err != nil { | ||
| return -1 | ||
| } | ||
|
|
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| v := ECVRFP256SHA256TAI() | ||
| sk := NewKey(v.Params().ec, i.SK[:]) | ||
|
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| // i.PI is unused, we generate it from SK and Alpha. | ||
| pi := v.Prove(sk, i.Alpha) | ||
| beta1, err := v.ProofToHash(pi) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
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| beta2, err := v.Verify(sk.Public(), pi, i.Alpha) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| if !bytes.Equal(beta1, beta2) { | ||
| panic("beta1 != beta2") | ||
| } | ||
| return 1 | ||
| } |
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| @@ -0,0 +1,83 @@ | ||
| // Copyright 2020 Google Inc. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| // +build gofuzz | ||
|
|
||
| package vrf | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "flag" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "reflect" | ||
| "testing" | ||
| ) | ||
|
|
||
| var writeCorpus = flag.Bool("writecorpus", false, "Write initial corpus from test vectors") | ||
|
|
||
| func TestInputMarshal(t *testing.T) { | ||
| for _, i := range []Input{ | ||
| {SK: [skLen]byte{1, 1, 1, 1}, PI: [piLen]byte{2, 2, 2, 2}, Alpha: []byte{3, 3, 3, 3}}, | ||
| } { | ||
| enc, err := i.MarshalBinary() | ||
| if err != nil { | ||
| t.Fatalf("MarshalBinary(): %v", err) | ||
| } | ||
| t.Logf("MarshalBinary(): %x", enc) | ||
| var j Input | ||
| if err := j.UnmarshalBinary(enc); err != nil { | ||
| t.Fatalf("UnmarshalBinary(): %v", err) | ||
| } | ||
| if !reflect.DeepEqual(i, j) { | ||
| t.Errorf("Unmarshal: %#v, want %#v", j, i) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // go test ./vrf/ -tags gofuzz --writecorpus | ||
| func TestInitialCorpus(t *testing.T) { | ||
| for i, tc := range P256SHA256TAITestVectors(t) { | ||
| t.Run(fmt.Sprintf("%d", i), func(t *testing.T) { | ||
| v := ECVRFP256SHA256TAI() | ||
| sk := NewKey(v.Params().ec, tc.SK) | ||
|
|
||
| pi := v.Prove(sk, tc.alpha) | ||
| if !bytes.Equal(pi, tc.pi) { | ||
| t.Errorf("Prove(%s): %x, want %x", tc.alpha, pi, tc.pi) | ||
| } | ||
|
|
||
| if _, err := v.Verify(sk.Public(), pi, tc.alpha); err != nil { | ||
| t.Errorf("Verify(): %v", err) | ||
| } | ||
|
|
||
| t.Logf("Fuzz test vector: %x%x%x", tc.SK, tc.pi, tc.alpha) | ||
|
|
||
| if *writeCorpus { | ||
| input, err := NewInput(tc.SK, pi, tc.alpha) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| b, err := input.MarshalBinary() | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| if err := ioutil.WriteFile(fmt.Sprintf("./corpus/P256SHA523TAI-%0d", i), b, 0644); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| } | ||
| }) | ||
| } | ||
| } |
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