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CL Anoncreds tink primitives based on ursa-wrapper-go (#3271)
Signed-off-by: alexander.shcherbakov <alexander.shcherbakov@avast.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| //go:build ursa | ||
| // +build ursa | ||
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| /* | ||
| Copyright Avast Software. All Rights Reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
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| package api | ||
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| // Issuer is the signing interface primitive for CL signatures used by Tink. | ||
| type Issuer interface { | ||
| GetCredentialDefinition() (*CredentialDefinition, error) | ||
| CreateCredentialOffer() (*CredentialOffer, error) | ||
| IssueCredential(values map[string]interface{}, credentialRequest *CredentialRequest, credOffer *CredentialOffer) (*Credential, error) | ||
| Free() error | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,144 @@ | ||
| //go:build ursa | ||
| // +build ursa | ||
|
|
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| /* | ||
| Copyright Avast Software. All Rights Reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
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| package api | ||
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| import ( | ||
| "github.com/hyperledger/ursa-wrapper-go/pkg/libursa/ursa" | ||
| ) | ||
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| type CredentialDefinition struct { | ||
| CredPubKey *ursa.CredentialDefPubKey | ||
| CredDefCorrectnessProof *ursa.CredentialDefKeyCorrectnessProof | ||
| Attrs []string | ||
| } | ||
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| func (s *CredentialDefinition) Free() error { | ||
| err := s.CredPubKey.Free() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = s.CredDefCorrectnessProof.Free() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
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| type CredentialOffer struct { | ||
| Nonce *ursa.Nonce | ||
| } | ||
|
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| func (s *CredentialOffer) Free() error { | ||
| err := s.Nonce.Free() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
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| type CredentialRequest struct { | ||
| BlindedCredentialSecrets *ursa.BlindedCredentialSecrets | ||
| Nonce *ursa.Nonce | ||
| ProverId string | ||
| } | ||
|
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| func (s *CredentialRequest) Free() error { | ||
| err := s.BlindedCredentialSecrets.Handle.Free() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = s.BlindedCredentialSecrets.BlindingFactor.Free() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = s.BlindedCredentialSecrets.CorrectnessProof.Free() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = s.Nonce.Free() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
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| type Credential struct { | ||
| Signature *ursa.CredentialSignature | ||
| Values map[string]interface{} | ||
| SigProof *ursa.CredentialSignatureCorrectnessProof | ||
| } | ||
|
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| func (s *Credential) Free() error { | ||
| err := s.Signature.Free() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = s.SigProof.Free() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
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| type PresentationRequest struct { | ||
| Items []*PresentationRequestItem | ||
| Nonce *ursa.Nonce | ||
| } | ||
|
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| func (s *PresentationRequest) Free() error { | ||
| err := s.Nonce.Free() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
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| type PresentationRequestItem struct { | ||
| RevealedAttrs []string | ||
| Predicates []*Predicate | ||
| } | ||
|
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| type Predicate struct { | ||
| Attr string | ||
| PType string | ||
| Value int32 | ||
| } | ||
|
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| type Proof struct { | ||
| Proof *ursa.ProofHandle | ||
| SubProofs []*SubProof | ||
| } | ||
|
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| func (s *Proof) Free() error { | ||
| err := s.Proof.Free() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| for _, subProof := range s.SubProofs { | ||
| err = subProof.Free() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
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| type SubProof struct { | ||
| SubProof *ursa.SubProofRequestHandle | ||
| Attrs []string | ||
| } | ||
|
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| func (s *SubProof) Free() error { | ||
| err := s.SubProof.Free() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| //go:build ursa | ||
| // +build ursa | ||
|
|
||
| /* | ||
| Copyright Avast Software. All Rights Reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
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| package api | ||
|
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| // Prover interface primitive for CL signatures used by Tink. | ||
| type Prover interface { | ||
| CreateCredentialRequest(credOffer *CredentialOffer, credDef *CredentialDefinition, proverId string) (*CredentialRequest, error) | ||
| ProcessCredential(credential *Credential, credRequest *CredentialRequest, credDef *CredentialDefinition) error | ||
| CreateProof(presentationRequest *PresentationRequest, credentials []*Credential, credDefs []*CredentialDefinition) (*Proof, error) | ||
| Free() error | ||
| } |
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