jwk

package
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Published: Oct 4, 2019 License: Apache-2.0, MIT Imports: 8 Imported by: 0

Documentation

Overview

Package jwk implements JWK as described in https://tools.ietf.org/html/rfc7517

Index

Constants

View Source
const (
	AlgorithmKey     = "alg"
	KeyIDKey         = "kid"
	KeyOpsKey        = "key_ops"
	KeyTypeKey       = "kty"
	KeyUsageKey      = "use"
	PrivateParamsKey = "privateParams"
)

Convenience constants for common JWK parameters

View Source
const (
	KeyOpSign       KeyOperation = "sign"       // (compute digital signature or MAC)
	KeyOpVerify                  = "verify"     // (verify digital signature or MAC)
	KeyOpEncrypt                 = "encrypt"    // (encrypt content)
	KeyOpDecrypt                 = "decrypt"    // (decrypt content and validate decryption, if applicable)
	KeyOpWrapKey                 = "wrapKey"    // (encrypt key)
	KeyOpUnwrapKey               = "unwrapKey"  // (decrypt key and validate decryption, if applicable)
	KeyOpDeriveKey               = "deriveKey"  // (derive key)
	KeyOpDeriveBits              = "deriveBits" // (derive bits not to be used as a key)
)

KeyOperation constants

Variables

This section is empty.

Functions

func GetKeyTypeFromKey

func GetKeyTypeFromKey(key interface{}) jwa.KeyType

GetKeyTypeFromKey creates a jwk.Key from the given key.

func GetPublicKey

func GetPublicKey(key interface{}) (interface{}, error)

GetPublicKey returns the public key based on the private key type. For rsa key types *rsa.PublicKey is returned; for ecdsa key types *ecdsa.PublicKey; for byte slice (raw) keys, the key itself is returned. If the corresponding public key cannot be deduced, an error is returned

Types

type ECDSAPrivateKey

type ECDSAPrivateKey struct {
	*StandardHeaders
	// contains filtered or unexported fields
}

ECDSAPrivateKey is a type of JWK generated from ECDH-ES private keys

func (*ECDSAPrivateKey) GenerateKey

func (k *ECDSAPrivateKey) GenerateKey(keyJSON *RawKeyJSON) error

GenerateKey creates a ECDSAPrivateKey from JWK format

func (ECDSAPrivateKey) Materialize

func (k ECDSAPrivateKey) Materialize() (interface{}, error)

Materialize returns the EC-DSA private key represented by this JWK

type ECDSAPublicKey

type ECDSAPublicKey struct {
	*StandardHeaders
	// contains filtered or unexported fields
}

ECDSAPublicKey is a type of JWK generated from ECDSA public keys

func (*ECDSAPublicKey) GenerateKey

func (k *ECDSAPublicKey) GenerateKey(keyJSON *RawKeyJSON) error

GenerateKey creates a ECDSAPublicKey from JWK format

func (ECDSAPublicKey) Materialize

func (k ECDSAPublicKey) Materialize() (interface{}, error)

Materialize returns the EC-DSA public key represented by this JWK

type Headers

type Headers interface {
	Get(string) (interface{}, bool)
	Set(string, interface{}) error
	Walk(func(string, interface{}) error) error
	GetAlgorithm() jwa.SignatureAlgorithm
	GetKeyID() string
	GetKeyOps() KeyOperationList
	GetKeyType() jwa.KeyType
	GetKeyUsage() string
	GetPrivateParams() map[string]interface{}
}

Headers provides a common interface to all future possible headers

type Key

type Key interface {
	Headers

	// Materialize creates the corresponding key. For example,
	// RSA types would create *rsa.PublicKey or *rsa.PrivateKey,
	// EC types would create *ecdsa.PublicKey or *ecdsa.PrivateKey,
	// and OctetSeq types create a []byte key.
	Materialize() (interface{}, error)
	GenerateKey(*RawKeyJSON) error
}

Key defines the minimal interface for each of the key types. Their use and implementation differ significantly between each key types, so you should use type assertions to perform more specific tasks with each key

func New

func New(key interface{}) (Key, error)

New creates a jwk.Key from the given key.

type KeyOperation

type KeyOperation string

KeyOperation is used to denote the allowed operations for a Key

type KeyOperationList

type KeyOperationList []KeyOperation

KeyOperationList represents an slice of KeyOperation

func (*KeyOperationList) Accept

func (keyOperationList *KeyOperationList) Accept(v interface{}) error

Accept determines if Key Operation is valid

func (*KeyOperationList) UnmarshalJSON

func (keyOperationList *KeyOperationList) UnmarshalJSON(data []byte) error

UnmarshalJSON unmarshals and checks data as KeyType Algorithm

type KeyUsageType

type KeyUsageType string

KeyUsageType is used to denote what this key should be used for

const (
	// ForSignature is the value used in the headers to indicate that
	// this key should be used for signatures
	ForSignature KeyUsageType = "sig"
	// ForEncryption is the value used in the headers to indicate that
	// this key should be used for encryptiong
	ForEncryption KeyUsageType = "enc"
)

type RSAPrivateKey

type RSAPrivateKey struct {
	*StandardHeaders
	// contains filtered or unexported fields
}

RSAPrivateKey is a type of JWK generated from RSA private keys

func (*RSAPrivateKey) GenerateKey

func (k *RSAPrivateKey) GenerateKey(keyJSON *RawKeyJSON) error

GenerateKey creates a RSAPublicKey from a RawKeyJSON

func (*RSAPrivateKey) Materialize

func (k *RSAPrivateKey) Materialize() (interface{}, error)

Materialize returns the standard RSA Private Key representation stored in the internal representation

type RSAPublicKey

type RSAPublicKey struct {
	*StandardHeaders
	// contains filtered or unexported fields
}

RSAPublicKey is a type of JWK generated from RSA public keys

func (*RSAPublicKey) GenerateKey

func (k *RSAPublicKey) GenerateKey(keyJSON *RawKeyJSON) error

GenerateKey creates a RSAPublicKey from a RawKeyJSON

func (*RSAPublicKey) Materialize

func (k *RSAPublicKey) Materialize() (interface{}, error)

Materialize returns the standard RSA Public Key representation stored in the internal representation

type RawKeyJSON

type RawKeyJSON struct {
	StandardHeaders
	jwa.AlgorithmParameters
}

RawKeyJSON is generic type that represents any kind JWK

func (*RawKeyJSON) GenerateKey

func (r *RawKeyJSON) GenerateKey() (Key, error)

GenerateKey creates an internal representation of a key from a raw JWK JSON

type RawKeySetJSON

type RawKeySetJSON struct {
	Keys []RawKeyJSON `json:"keys"`
}

RawKeySetJSON is generic type that represents a JWK Set

type Set

type Set struct {
	Keys []Key `json:"keys"`
}

Set is a convenience struct to allow generating and parsing JWK sets as opposed to single JWKs

func ParseBytes

func ParseBytes(buf []byte) (*Set, error)

ParseBytes parses JWK from the incoming byte buffer.

func ParseString

func ParseString(s string) (*Set, error)

ParseString parses JWK from the incoming string.

type StandardHeaders

type StandardHeaders struct {
	Algorithm     *jwa.SignatureAlgorithm `json:"alg,omitempty"`           // https://tools.ietf.org/html/rfc7517#section-4.4
	KeyID         string                  `json:"kid,omitempty"`           // https://tools.ietf.org/html/rfc7515#section-4.1.4
	KeyOps        KeyOperationList        `json:"key_ops,omitempty"`       // https://tools.ietf.org/html/rfc7517#section-4.3
	KeyType       jwa.KeyType             `json:"kty,omitempty"`           // https://tools.ietf.org/html/rfc7517#section-4.1
	KeyUsage      string                  `json:"use,omitempty"`           // https://tools.ietf.org/html/rfc7517#section-4.2
	PrivateParams map[string]interface{}  `json:"privateParams,omitempty"` // https://tools.ietf.org/html/rfc7515#section-4.1.4
}

StandardHeaders stores the common JWK parameters

func (*StandardHeaders) Get

func (h *StandardHeaders) Get(name string) (interface{}, bool)

Get is a general getter function for JWK StandardHeaders structure

func (*StandardHeaders) GetAlgorithm

func (h *StandardHeaders) GetAlgorithm() jwa.SignatureAlgorithm

GetAlgorithm is a convenience function to retrieve the corresponding value stored in the StandardHeaders

func (*StandardHeaders) GetKeyID

func (h *StandardHeaders) GetKeyID() string

GetKeyID is a convenience function to retrieve the corresponding value stored in the StandardHeaders

func (*StandardHeaders) GetKeyOps

func (h *StandardHeaders) GetKeyOps() KeyOperationList

GetKeyOps is a convenience function to retrieve the corresponding value stored in the StandardHeaders

func (*StandardHeaders) GetKeyType

func (h *StandardHeaders) GetKeyType() jwa.KeyType

GetKeyType is a convenience function to retrieve the corresponding value stored in the StandardHeaders

func (*StandardHeaders) GetKeyUsage

func (h *StandardHeaders) GetKeyUsage() string

GetKeyUsage is a convenience function to retrieve the corresponding value stored in the StandardHeaders

func (*StandardHeaders) GetPrivateParams

func (h *StandardHeaders) GetPrivateParams() map[string]interface{}

GetPrivateParams is a convenience function to retrieve the corresponding value stored in the StandardHeaders

func (*StandardHeaders) Set

func (h *StandardHeaders) Set(name string, value interface{}) error

Set is a general getter function for JWK StandardHeaders structure

func (StandardHeaders) Walk

func (h StandardHeaders) Walk(f func(string, interface{}) error) error

Walk iterates over all JWK standard headers fields while applying a function to its value.

type SymmetricKey

type SymmetricKey struct {
	*StandardHeaders
	// contains filtered or unexported fields
}

SymmetricKey is a type of JWK generated from symmetric keys

func (*SymmetricKey) GenerateKey

func (s *SymmetricKey) GenerateKey(keyJSON *RawKeyJSON) error

GenerateKey creates a Symmetric key from a RawKeyJSON

func (SymmetricKey) Materialize

func (s SymmetricKey) Materialize() (interface{}, error)

Materialize returns the octets for this symmetric key. Since this is a symmetric key, this just calls Octets

func (SymmetricKey) Octets

func (s SymmetricKey) Octets() []byte

Octets returns the octets in the key

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