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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| /* | ||
| Copyright SecureKey Technologies Inc. All Rights Reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| package signer | ||
|
|
||
| // | ||
| //import ( | ||
| // "encoding/json" | ||
| // "fmt" | ||
| // "time" | ||
| // | ||
| // "github.com/trustbloc/vc-go/dataintegrity" | ||
| // "github.com/trustbloc/vc-go/dataintegrity/models" | ||
| // | ||
| // "github.com/trustbloc/did-go/doc/ld/proof" | ||
| //) | ||
| // | ||
| //// DataIntegrityProofContext holds parameters for creating a Data Integrity Proof. | ||
| //type DataIntegrityProofContext struct { | ||
| // SigningKeyID string // eg did:foo:bar#key-1 | ||
| // ProofPurpose string // assertionMethod | ||
| // CryptoSuite string // ecdsa-2019 | ||
| // Created *time.Time // | ||
| // Domain string // | ||
| // Challenge string // | ||
| //} | ||
| // | ||
| //// AddDataIntegrityProof adds a Data Integrity Proof to the document. | ||
| //func (signer *DocumentSigner) AddDataIntegrityProof( | ||
| // doc []byte, | ||
| // context *DataIntegrityProofContext, | ||
| // diSigner *dataintegrity.Signer, | ||
| //) ([]byte, error) { | ||
| // var jsonLdObject map[string]interface{} | ||
| // | ||
| // err := json.Unmarshal(doc, &jsonLdObject) | ||
| // if err != nil { | ||
| // return nil, fmt.Errorf("failed to unmarshal json ld document: %w", err) | ||
| // } | ||
| // | ||
| // // TODO: rewrite to use json object instead bytes presentation | ||
| // diProof, err := createDataIntegrityProof(context, doc, diSigner) | ||
| // if err != nil { | ||
| // return nil, fmt.Errorf("create data integrity proof: %w", err) | ||
| // } | ||
| // | ||
| // if err = proof.AddProof(jsonLdObject, diProof); err != nil { | ||
| // return nil, fmt.Errorf("add data integrity proof: %w", err) | ||
| // } | ||
| // | ||
| // signedDoc, err := json.Marshal(jsonLdObject) | ||
| // if err != nil { | ||
| // return nil, err | ||
| // } | ||
| // | ||
| // return signedDoc, nil | ||
| //} | ||
| // | ||
| //func createDataIntegrityProof( | ||
| // context *DataIntegrityProofContext, | ||
| // ldBytes []byte, | ||
| // signer *dataintegrity.Signer, | ||
| //) (*proof.Proof, error) { | ||
| // var createdTime time.Time | ||
| // if context.Created == nil { | ||
| // createdTime = time.Now() | ||
| // } else { | ||
| // createdTime = *context.Created | ||
| // } | ||
| // | ||
| // if context.ProofPurpose == "" { | ||
| // context.ProofPurpose = defaultProofPurpose | ||
| // } | ||
| // | ||
| // signed, err := signer.AddProof(ldBytes, &models.ProofOptions{ | ||
| // Purpose: context.ProofPurpose, | ||
| // VerificationMethodID: context.SigningKeyID, | ||
| // ProofType: models.DataIntegrityProof, | ||
| // SuiteType: context.CryptoSuite, | ||
| // Domain: context.Domain, | ||
| // Challenge: context.Challenge, | ||
| // Created: createdTime, | ||
| // }) | ||
| // if err != nil { | ||
| // return nil, fmt.Errorf("add proof: %w", err) | ||
| // } | ||
| // | ||
| // type rawProof struct { | ||
| // Proof map[string]interface{} `json:"proof,omitempty"` | ||
| // } | ||
| // | ||
| // // Get a proof from json-ld document. | ||
| // var rProof rawProof | ||
| // | ||
| // err = json.Unmarshal(signed, &rProof) | ||
| // if err != nil { | ||
| // return nil, err | ||
| // } | ||
| // | ||
| // diProof, err := proof.NewProof(rProof.Proof) | ||
| // if err != nil { | ||
| // return nil, fmt.Errorf("new proof: %w", err) | ||
| // } | ||
| // | ||
| // return diProof, nil | ||
| //} |
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