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| Original file line number | Diff line number | Diff line change |
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| // Copyright The Notary Project Authors. | ||
| // 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. | ||
|
|
||
| package oid | ||
|
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| import "encoding/asn1" | ||
|
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| // KeyUsage (id-ce-keyUsage) is defined in RFC 5280 | ||
| // | ||
| // Reference: https://www.rfc-editor.org/rfc/rfc5280.html#section-4.2.1.3 | ||
| var KeyUsage = asn1.ObjectIdentifier{2, 5, 29, 15} | ||
|
|
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| // ExtKeyUsage (id-ce-extKeyUsage) is defined in RFC 5280 | ||
| // | ||
| // Reference: https://www.rfc-editor.org/rfc/rfc5280.html#section-4.2.1.12 | ||
| var ExtKeyUsage = asn1.ObjectIdentifier{2, 5, 29, 37} | ||
|
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| // Timestamping (id-kp-timeStamping) is defined in RFC 3161 2.3 | ||
| // | ||
| // Reference: https://datatracker.ietf.org/doc/html/rfc3161#section-2.3 | ||
| var Timestamping = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 3, 8} |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,65 @@ | ||
| // Copyright The Notary Project Authors. | ||
| // 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. | ||
|
|
||
| // Package timestamp provides functionalities of timestamp countersignature | ||
| package timestamp | ||
|
|
||
| import ( | ||
| "crypto/x509" | ||
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| "github.com/notaryproject/notation-core-go/signature" | ||
| nx509 "github.com/notaryproject/notation-core-go/x509" | ||
| "github.com/notaryproject/tspclient-go" | ||
| ) | ||
|
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| // Timestamp generates a timestamp request and sends to TSA. It then validates | ||
| // the TSA certificate chain against Notary Project certificate and signature | ||
| // algorithm requirements. | ||
| // On success, it returns the full bytes of the timestamp token received from | ||
| // TSA. | ||
| // | ||
| // Reference: https://github.com/notaryproject/specifications/blob/v1.0.0/specs/signature-specification.md#leaf-certificates | ||
| func Timestamp(req *signature.SignRequest, opts tspclient.RequestOptions) ([]byte, error) { | ||
| tsaRequest, err := tspclient.NewRequest(opts) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| ctx := req.Context() | ||
| resp, err := req.Timestamper.Timestamp(ctx, tsaRequest) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| token, err := resp.SignedToken() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| info, err := token.Info() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| timestamp, err := info.Validate(opts.Content) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| tsaCertChain, err := token.Verify(ctx, x509.VerifyOptions{ | ||
| CurrentTime: timestamp.Value, | ||
| Roots: req.TSARootCAs, | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if err := nx509.ValidateTimestampingCertChain(tsaCertChain); err != nil { | ||
| return nil, err | ||
| } | ||
| return resp.TimestampToken.FullBytes, nil | ||
| } |
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|---|---|---|
| @@ -0,0 +1,200 @@ | ||
| // Copyright The Notary Project Authors. | ||
| // 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. | ||
|
|
||
| package timestamp | ||
|
|
||
| import ( | ||
| "context" | ||
| "crypto" | ||
| "crypto/x509" | ||
| "encoding/asn1" | ||
| "errors" | ||
| "os" | ||
| "strings" | ||
| "testing" | ||
|
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| "github.com/notaryproject/notation-core-go/signature" | ||
| nx509 "github.com/notaryproject/notation-core-go/x509" | ||
| "github.com/notaryproject/tspclient-go" | ||
| "github.com/notaryproject/tspclient-go/pki" | ||
| ) | ||
|
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| const rfc3161TSAurl = "http://rfc3161timestamp.globalsign.com/advanced" | ||
|
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| func TestTimestamp(t *testing.T) { | ||
| rootCerts, err := nx509.ReadCertificateFile("testdata/tsaRootCert.crt") | ||
| if err != nil || len(rootCerts) == 0 { | ||
| t.Fatal("failed to read root CA certificate:", err) | ||
| } | ||
| rootCert := rootCerts[0] | ||
| rootCAs := x509.NewCertPool() | ||
| rootCAs.AddCert(rootCert) | ||
|
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| // --------------- Success case ---------------------------------- | ||
| timestamper, err := tspclient.NewHTTPTimestamper(nil, rfc3161TSAurl) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| req := &signature.SignRequest{ | ||
| Timestamper: timestamper, | ||
| TSARootCAs: rootCAs, | ||
| } | ||
| opts := tspclient.RequestOptions{ | ||
| Content: []byte("notation"), | ||
| HashAlgorithm: crypto.SHA256, | ||
| } | ||
| _, err = Timestamp(req, opts) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
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| // ------------- Failure cases ------------------------ | ||
| opts = tspclient.RequestOptions{ | ||
| Content: []byte("notation"), | ||
| HashAlgorithm: crypto.SHA1, | ||
| } | ||
| expectedErr := "malformed timestamping request: unsupported hashing algorithm: SHA-1" | ||
| _, err = Timestamp(req, opts) | ||
| assertErrorEqual(expectedErr, err, t) | ||
|
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| req = &signature.SignRequest{ | ||
| Timestamper: dummyTimestamper{}, | ||
| TSARootCAs: rootCAs, | ||
| } | ||
| opts = tspclient.RequestOptions{ | ||
| Content: []byte("notation"), | ||
| HashAlgorithm: crypto.SHA256, | ||
| NoNonce: true, | ||
| } | ||
| expectedErr = "failed to timestamp" | ||
| _, err = Timestamp(req, opts) | ||
| if err == nil || !strings.Contains(err.Error(), expectedErr) { | ||
| t.Fatalf("expected error message to contain %s, but got %v", expectedErr, err) | ||
| } | ||
|
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| req = &signature.SignRequest{ | ||
| Timestamper: dummyTimestamper{ | ||
| respWithRejectedStatus: true, | ||
| }, | ||
| TSARootCAs: rootCAs, | ||
| } | ||
| expectedErr = "invalid timestamping response: invalid response with status code 2: rejected" | ||
| _, err = Timestamp(req, opts) | ||
| assertErrorEqual(expectedErr, err, t) | ||
|
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| req = &signature.SignRequest{ | ||
| Timestamper: dummyTimestamper{ | ||
| invalidTSTInfo: true, | ||
| }, | ||
| TSARootCAs: rootCAs, | ||
| } | ||
| expectedErr = "cannot unmarshal TSTInfo from timestamp token: asn1: structure error: tags don't match (23 vs {class:0 tag:16 length:3 isCompound:true}) {optional:false explicit:false application:false private:false defaultValue:<nil> tag:<nil> stringType:0 timeType:24 set:false omitEmpty:false} Time @89" | ||
| _, err = Timestamp(req, opts) | ||
| assertErrorEqual(expectedErr, err, t) | ||
|
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| opts = tspclient.RequestOptions{ | ||
| Content: []byte("mismatch"), | ||
| HashAlgorithm: crypto.SHA256, | ||
| NoNonce: true, | ||
| } | ||
| req = &signature.SignRequest{ | ||
| Timestamper: dummyTimestamper{ | ||
| failValidate: true, | ||
| }, | ||
| TSARootCAs: rootCAs, | ||
| } | ||
| expectedErr = "invalid TSTInfo: mismatched message" | ||
| _, err = Timestamp(req, opts) | ||
| assertErrorEqual(expectedErr, err, t) | ||
|
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| opts = tspclient.RequestOptions{ | ||
| Content: []byte("notation"), | ||
| HashAlgorithm: crypto.SHA256, | ||
| NoNonce: true, | ||
| } | ||
| req = &signature.SignRequest{ | ||
| Timestamper: dummyTimestamper{ | ||
| invalidSignature: true, | ||
| }, | ||
| TSARootCAs: rootCAs, | ||
| } | ||
| expectedErr = "failed to verify signed token: cms verification failure: crypto/rsa: verification error" | ||
| _, err = Timestamp(req, opts) | ||
| assertErrorEqual(expectedErr, err, t) | ||
| } | ||
|
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| func assertErrorEqual(expected string, err error, t *testing.T) { | ||
| if err == nil || expected != err.Error() { | ||
| t.Fatalf("Expected error \"%v\" but was \"%v\"", expected, err) | ||
| } | ||
| } | ||
|
|
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| type dummyTimestamper struct { | ||
| respWithRejectedStatus bool | ||
| invalidTSTInfo bool | ||
| failValidate bool | ||
| invalidSignature bool | ||
| } | ||
|
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| func (d dummyTimestamper) Timestamp(context.Context, *tspclient.Request) (*tspclient.Response, error) { | ||
| if d.respWithRejectedStatus { | ||
| return &tspclient.Response{ | ||
| Status: pki.StatusInfo{ | ||
| Status: pki.StatusRejection, | ||
| }, | ||
| }, nil | ||
| } | ||
| if d.invalidTSTInfo { | ||
| token, err := os.ReadFile("testdata/TimeStampTokenWithInvalidTSTInfo.p7s") | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &tspclient.Response{ | ||
| Status: pki.StatusInfo{ | ||
| Status: pki.StatusGranted, | ||
| }, | ||
| TimestampToken: asn1.RawValue{ | ||
| FullBytes: token, | ||
| }, | ||
| }, nil | ||
| } | ||
| if d.failValidate { | ||
| token, err := os.ReadFile("testdata/TimeStampToken.p7s") | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &tspclient.Response{ | ||
| Status: pki.StatusInfo{ | ||
| Status: pki.StatusGranted, | ||
| }, | ||
| TimestampToken: asn1.RawValue{ | ||
| FullBytes: token, | ||
| }, | ||
| }, nil | ||
| } | ||
| if d.invalidSignature { | ||
| token, err := os.ReadFile("testdata/TimeStampTokenWithInvalidSignature.p7s") | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &tspclient.Response{ | ||
| Status: pki.StatusInfo{ | ||
| Status: pki.StatusGranted, | ||
| }, | ||
| TimestampToken: asn1.RawValue{ | ||
| FullBytes: token, | ||
| }, | ||
| }, nil | ||
| } | ||
| return nil, errors.New("failed to timestamp") | ||
| } |
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