Documentation
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Index ¶
- func CorrectnessProofToJSON(credSignatureCorrectnessProof unsafe.Pointer) ([]byte, error)
- func EncodeValue(val interface{}) (string, string)
- func ToEncodedNumber(raw string) string
- type BlindedCredentialSecrets
- type BlindedCredentialSecretsCorrectnessProof
- type BlindedCredentialSecretsHandle
- type CredentialDef
- type CredentialDefKeyCorrectnessProof
- type CredentialDefPrivKey
- type CredentialDefPubKey
- type CredentialSchemaBuilder
- type CredentialSchemaHandle
- type CredentialSecretsBlindingFactors
- type CredentialSignature
- type CredentialSignatureCorrectnessProof
- type CredentialValues
- type CredentialValuesBuilder
- func (r *CredentialValuesBuilder) AddDecCommitment(attr, decValue, decBlindingFactor string) error
- func (r *CredentialValuesBuilder) AddDecHidden(attr, decValue string) error
- func (r *CredentialValuesBuilder) AddDecKnown(attr, decValue string) error
- func (r *CredentialValuesBuilder) Finalize() (*CredentialValues, error)
- type Handle
- type MasterSecret
- type NonCredentialSchemaBuilder
- type NonCredentialSchemaHandle
- type Nonce
- type ProofBuilder
- type ProofHandle
- type ProofVerifier
- type SignatureParams
- type SubProofRequestBuilder
- type SubProofRequestHandle
- type UrsaError
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
func CorrectnessProofToJSON ¶
CorrectnessProofToJSON creates and returns JSON representation of credential signature correctness proof
func EncodeValue ¶
EncodeValue encodes any value into decimal representation
func ToEncodedNumber ¶
ToEncodedNumber encodes string to decimal encoded value
Types ¶
type BlindedCredentialSecrets ¶
type BlindedCredentialSecrets struct {
Handle *BlindedCredentialSecretsHandle
BlindingFactor *CredentialSecretsBlindingFactors
CorrectnessProof *BlindedCredentialSecretsCorrectnessProof
}
func BlindCredentialSecrets ¶
func BlindCredentialSecrets(credentialPubKey *CredentialDefPubKey, keyCorrectnessProof *CredentialDefKeyCorrectnessProof, nonce *Nonce, values *CredentialValues) (*BlindedCredentialSecrets, error)
BlindCredentialSecrets creates blinded credential secrets for given issuer key and master secret
type BlindedCredentialSecretsCorrectnessProof ¶
type BlindedCredentialSecretsCorrectnessProof Handle
func BlindedCredentialSecretsCorrectnessProofFromJSON ¶
func BlindedCredentialSecretsCorrectnessProofFromJSON(jsn []byte) (*BlindedCredentialSecretsCorrectnessProof, error)
BlindedCredentialSecretsCorrectnessProofFromJSON creates and returns blinded credential secrets correctness proof json.
func (*BlindedCredentialSecretsCorrectnessProof) Free ¶
func (r *BlindedCredentialSecretsCorrectnessProof) Free() error
Free deallocates blinded credential secrets correctness proof instance
func (*BlindedCredentialSecretsCorrectnessProof) ToJSON ¶
func (r *BlindedCredentialSecretsCorrectnessProof) ToJSON() ([]byte, error)
ToJSON creates and returns JSON representation of blinded credential secrets correctness proof
type BlindedCredentialSecretsHandle ¶
type BlindedCredentialSecretsHandle Handle
func BlindedCredentialSecretsFromJSON ¶
func BlindedCredentialSecretsFromJSON(jsn []byte) (*BlindedCredentialSecretsHandle, error)
BlindedCredentialSecretsFromJSON creates and returns blinded credential secrets from json
func (*BlindedCredentialSecretsHandle) Free ¶
func (r *BlindedCredentialSecretsHandle) Free() error
Free deallocates blinded credential secrets instance
func (*BlindedCredentialSecretsHandle) ToJSON ¶
func (r *BlindedCredentialSecretsHandle) ToJSON() ([]byte, error)
ToJSON creates and returns JSON representation of blinded credental secrets
type CredentialDef ¶
type CredentialDef struct {
PubKey *CredentialDefPubKey
PrivKey *CredentialDefPrivKey
KeyCorrectnessProof *CredentialDefKeyCorrectnessProof
}
func NewCredentialDef ¶
func NewCredentialDef(schema *CredentialSchemaHandle, nonSchema *NonCredentialSchemaHandle, revocation bool) (*CredentialDef, error)
NewCredentialDef creates and returns credential definition (public and private keys, correctness proof) entities
type CredentialDefKeyCorrectnessProof ¶
type CredentialDefKeyCorrectnessProof Handle
func CredentialKeyCorrectnessProofFromJSON ¶
func CredentialKeyCorrectnessProofFromJSON(jsn []byte) (*CredentialDefKeyCorrectnessProof, error)
CredentialKeyCorrectnessProofFromJSON creates and returns credential key correctness proof from json
func (*CredentialDefKeyCorrectnessProof) Free ¶
func (r *CredentialDefKeyCorrectnessProof) Free() error
Free deallocates credential definition key correctness proof instance
func (*CredentialDefKeyCorrectnessProof) ToJSON ¶
func (r *CredentialDefKeyCorrectnessProof) ToJSON() ([]byte, error)
ToJSON creates and returns JSON representation of credential definition key correctness proof
type CredentialDefPrivKey ¶
type CredentialDefPrivKey Handle
func CredentialPrivateKeyFromJSON ¶
func CredentialPrivateKeyFromJSON(jsn []byte) (*CredentialDefPrivKey, error)
CredentialPrivateKeyFromJSON creates and returns credential private key from json
func (*CredentialDefPrivKey) Free ¶
func (r *CredentialDefPrivKey) Free() error
Free deallocates credential definition private key instance
func (*CredentialDefPrivKey) ToJSON ¶
func (r *CredentialDefPrivKey) ToJSON() ([]byte, error)
ToJSON creates and returns JSON representation of credential definition private key
type CredentialDefPubKey ¶
type CredentialDefPubKey Handle
func CredentialPublicKeyFromJSON ¶
func CredentialPublicKeyFromJSON(jsn []byte) (*CredentialDefPubKey, error)
CredentialPublicKeyFromJSON creates and returns credential public key from json
func (*CredentialDefPubKey) Free ¶
func (r *CredentialDefPubKey) Free() error
Free deallocates credential definition public key instance
func (*CredentialDefPubKey) ToJSON ¶
func (r *CredentialDefPubKey) ToJSON() ([]byte, error)
ToJSON creates and returns JSON representation of credential definition public key
type CredentialSchemaBuilder ¶
type CredentialSchemaBuilder Handle
func NewCredentialSchemaBuilder ¶
func NewCredentialSchemaBuilder() (*CredentialSchemaBuilder, error)
NewCredentialSchemaBuilder creates and return credential schema entity builder
func (*CredentialSchemaBuilder) AddAttr ¶
func (r *CredentialSchemaBuilder) AddAttr(field string) error
AddAttr adds new attribute to credential schema
func (*CredentialSchemaBuilder) Finalize ¶
func (r *CredentialSchemaBuilder) Finalize() (*CredentialSchemaHandle, error)
Finalize deallocates credential schema builder and return credential schema entity instead
type CredentialSchemaHandle ¶
type CredentialSchemaHandle Handle
func (*CredentialSchemaHandle) Free ¶
func (r *CredentialSchemaHandle) Free() error
Free deallocates credential schema instance
type CredentialSecretsBlindingFactors ¶
type CredentialSecretsBlindingFactors Handle
func CredentialSecretsBlindingFactorsFromJSON ¶
func CredentialSecretsBlindingFactorsFromJSON(jsn []byte) (*CredentialSecretsBlindingFactors, error)
CredentialSecretsBlindingFactorsFromJSON creates and returns credential secrets blinding factors from json
func (*CredentialSecretsBlindingFactors) Free ¶
func (r *CredentialSecretsBlindingFactors) Free() error
Free deallocates credential secrets blinding factors instance
func (*CredentialSecretsBlindingFactors) ToJSON ¶
func (r *CredentialSecretsBlindingFactors) ToJSON() ([]byte, error)
ToJSON creates and returns JSON representation of credential secrets blinding factors
type CredentialSignature ¶
type CredentialSignature Handle
func CredentialSignatureFromJSON ¶
func CredentialSignatureFromJSON(jsn []byte) (*CredentialSignature, error)
CredentialSignatureFromJSON creates and returns credential signature from json
func (*CredentialSignature) Free ¶
func (r *CredentialSignature) Free() error
Free deallocates credential signature instance
func (*CredentialSignature) ProcessCredentialSignature ¶
func (r *CredentialSignature) ProcessCredentialSignature(values *CredentialValues, sigKP *CredentialSignatureCorrectnessProof, credentialSecretsBF *CredentialSecretsBlindingFactors, credPubKey *CredentialDefPubKey, issuanceNonce *Nonce) error
ProcessCredentialSignature updates the credential signature by a credential secrets blinding factors.
func (*CredentialSignature) ToJSON ¶
func (r *CredentialSignature) ToJSON() ([]byte, error)
ToJSON creates and returns JSON representation of credential signature
type CredentialSignatureCorrectnessProof ¶
type CredentialSignatureCorrectnessProof Handle
func CredentialSignatureCorrectnessProofFromJSON ¶
func CredentialSignatureCorrectnessProofFromJSON(jsn []byte) (*CredentialSignatureCorrectnessProof, error)
CredentialSignatureCorrectnessProofFromJSON creates and returns credential signature correctness proof from json
func (*CredentialSignatureCorrectnessProof) Free ¶
func (r *CredentialSignatureCorrectnessProof) Free() error
Free deallocates credential signature correctness proof instance
func (*CredentialSignatureCorrectnessProof) ToJSON ¶
func (r *CredentialSignatureCorrectnessProof) ToJSON() ([]byte, error)
ToJSON creates and returns JSON representation of credential signature correctness proof
type CredentialValues ¶
type CredentialValues Handle
func CredentialValuesFromJSON ¶ added in v0.3.1
func CredentialValuesFromJSON(jsn []byte) (*CredentialValues, error)
CredentialValuesFromJSON creates and returns credential values from JSON
func (*CredentialValues) Free ¶
func (r *CredentialValues) Free() error
Free deallocates credential values instance
func (*CredentialValues) ToJSON ¶ added in v0.3.1
func (r *CredentialValues) ToJSON() ([]byte, error)
ToJSON returns JSON representation of credential values
type CredentialValuesBuilder ¶
type CredentialValuesBuilder Handle
func NewValueBuilder ¶
func NewValueBuilder() (*CredentialValuesBuilder, error)
NewValueBuilder creates and returns credentials values entity builder
func (*CredentialValuesBuilder) AddDecCommitment ¶
func (r *CredentialValuesBuilder) AddDecCommitment(attr, decValue, decBlindingFactor string) error
AddDecCommitment adds new hidden attribute dec_value to credential values map
func (*CredentialValuesBuilder) AddDecHidden ¶
func (r *CredentialValuesBuilder) AddDecHidden(attr, decValue string) error
AddDecHidden adds new hidden attribute dec_value to credential values map
func (*CredentialValuesBuilder) AddDecKnown ¶
func (r *CredentialValuesBuilder) AddDecKnown(attr, decValue string) error
AddDecKnown adds new known attribute dec_value to credential values map
func (*CredentialValuesBuilder) Finalize ¶
func (r *CredentialValuesBuilder) Finalize() (*CredentialValues, error)
Finalize deallocates credential values builder and returns credential values entity instead
type MasterSecret ¶
type MasterSecret Handle
func MasterSecretFromJSON ¶
func MasterSecretFromJSON(jsn []byte) (*MasterSecret, error)
MasterSecretFromJson creates and returns master secret from json
func NewMasterSecret ¶
func NewMasterSecret() (*MasterSecret, error)
NewMasterSecret creates a master secret
func (*MasterSecret) Free ¶
func (r *MasterSecret) Free() error
Free deallocates master secret instance
func (*MasterSecret) ToJSON ¶
func (r *MasterSecret) ToJSON() ([]byte, error)
ToJSON returns json representation of master secret
type NonCredentialSchemaBuilder ¶
type NonCredentialSchemaBuilder Handle
func NewNonCredentialSchemaBuilder ¶
func NewNonCredentialSchemaBuilder() (*NonCredentialSchemaBuilder, error)
NewNonCredentialSchemaBuilder creates and returns non credential schema builder
func (*NonCredentialSchemaBuilder) AddAttr ¶
func (r *NonCredentialSchemaBuilder) AddAttr(attr string) error
AddAttr adds new attribute to non credential schema
func (*NonCredentialSchemaBuilder) Finalize ¶
func (r *NonCredentialSchemaBuilder) Finalize() (*NonCredentialSchemaHandle, error)
Finalize deallocates non_credential schema builder and returns non credential schema entity instead
type NonCredentialSchemaHandle ¶
type NonCredentialSchemaHandle Handle
func (*NonCredentialSchemaHandle) Free ¶
func (r *NonCredentialSchemaHandle) Free() error
Free deallocates credential schema instance
type Nonce ¶
type Nonce Handle
func NonceFromJSON ¶
NonceFromJSON creates and returns nonce from json
type ProofBuilder ¶
type ProofBuilder Handle
func (*ProofBuilder) AddCommonAttribute ¶
func (r *ProofBuilder) AddCommonAttribute(attr string) error
AddCommonAttribute add a common attribute to the proof builder
func (*ProofBuilder) AddSubProofRequest ¶
func (r *ProofBuilder) AddSubProofRequest(subProof *SubProofRequestHandle, credSchema *CredentialSchemaHandle, nonCredSchema *NonCredentialSchemaHandle, signature *CredentialSignature, values *CredentialValues, pubKey *CredentialDefPubKey) error
AddSubProofRequest add a sub proof request to the proof builder
func (*ProofBuilder) Finalize ¶
func (r *ProofBuilder) Finalize(nonce *Nonce) (*ProofHandle, error)
Finalize finalize the proof
type ProofHandle ¶
type ProofHandle Handle
func ProofFromJSON ¶
func ProofFromJSON(jsn []byte) (*ProofHandle, error)
ProofFromJSON creates and returns proof from JSON
func (*ProofHandle) ToJSON ¶
func (r *ProofHandle) ToJSON() ([]byte, error)
ToJSON returns JSON representation of proof
type ProofVerifier ¶
type ProofVerifier Handle
func NewProofVerifier ¶
func NewProofVerifier() (*ProofVerifier, error)
NewProofVerifier creates and returns proof verifier.
func (*ProofVerifier) AddCommonAttribute ¶
func (r *ProofVerifier) AddCommonAttribute(attr string) error
AddCommonAttribute add a common attribute to the proof verifier
func (*ProofVerifier) AddSubProofRequest ¶
func (r *ProofVerifier) AddSubProofRequest(subProof *SubProofRequestHandle, credSchema *CredentialSchemaHandle, nonCredSchema *NonCredentialSchemaHandle, pubKey *CredentialDefPubKey) error
AddSubProofRequest add a sub proof request to the proof verifier
func (*ProofVerifier) Verify ¶
func (r *ProofVerifier) Verify(proof *ProofHandle, nonce *Nonce) error
Verify verifies proof and deallocates proof verifier.
type SignatureParams ¶
type SignatureParams struct {
ProverID string
BlindedCredentialSecrets *BlindedCredentialSecretsHandle
BlindedCredentialSecretsCorrectnessProof *BlindedCredentialSecretsCorrectnessProof
CredentialIssuanceNonce *Nonce
CredentialNonce *Nonce
CredentialValues *CredentialValues
CredentialPubKey *CredentialDefPubKey
CredentialPrivKey *CredentialDefPrivKey
}
func NewSignatureParams ¶
func NewSignatureParams() *SignatureParams
NewSignatureParams creates an empty instance of SignatureParams
func (*SignatureParams) SignCredential ¶
func (r *SignatureParams) SignCredential() (*CredentialSignature, *CredentialSignatureCorrectnessProof, error)
SignCredential signs credential values with primary keys only
type SubProofRequestBuilder ¶
type SubProofRequestBuilder Handle
func NewSubProofRequestBuilder ¶
func NewSubProofRequestBuilder() (*SubProofRequestBuilder, error)
NewSubProofRequestBuilder creates and returns sub proof request entity builder
func (*SubProofRequestBuilder) AddPredicate ¶
func (r *SubProofRequestBuilder) AddPredicate(attr, ptype string, value int32) error
AddPredicate adds predicate to sub proof request
func (*SubProofRequestBuilder) AddRevealedAttr ¶
func (r *SubProofRequestBuilder) AddRevealedAttr(attr string) error
AddRevealedAttr adds new revealed attribute to sub proof request.
func (*SubProofRequestBuilder) Finalize ¶
func (r *SubProofRequestBuilder) Finalize() (*SubProofRequestHandle, error)
Finalize deallocates sub proof request builder and returns sub proof request entity instead.
type SubProofRequestHandle ¶
type SubProofRequestHandle Handle
func (*SubProofRequestHandle) Free ¶
func (r *SubProofRequestHandle) Free() error
Free deallocates sub proof request instance
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