crypto

package
v1.0.4 Latest Latest
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 Go to latest Published: Apr 12, 2020 License: Apache-2.0 Imports: 7 Imported by: 20

Documentation

Overview

Crypto package is used to build, verify and convert signatures. It also defines useful interfaces to work with signatures when building new extensions.

Index

Constants

View Source 
const ExtensionName = "sigs"

ExtensionName is used for the Conditions we get from signatures

Variables

View Source 
var (
	ErrInvalidLengthModels = fmt.Errorf("proto: negative length found during unmarshaling")
	ErrIntOverflowModels   = fmt.Errorf("proto: integer overflow")
)

Functions

This section is empty.

Types

type PrivateKey 

type PrivateKey struct {
	// Types that are valid to be assigned to Priv:
	//	*PrivateKey_Ed25519
	Priv isPrivateKey_Priv `protobuf_oneof:"priv"`
}

func GenPrivKeyEd25519 

func GenPrivKeyEd25519() *PrivateKey

GenPrivKeyEd25519 returns a random new private key (TODO: look at sources of randomness, other than default crypto/rand)

func PrivKeyEd25519FromSeed added in v0.16.0 

func PrivKeyEd25519FromSeed(seed []byte) *PrivateKey

PrivKeyEd25519FromSeed will deterministically generate a private key from a given seed. Use if you have a strong source of external randomness, or for deterministic keys in test cases.

func (*PrivateKey) Descriptor 

func (*PrivateKey) Descriptor() ([]byte, []int)

func (*PrivateKey) GetEd25519 

func (m *PrivateKey) GetEd25519() []byte

func (*PrivateKey) GetPriv 

func (m *PrivateKey) GetPriv() isPrivateKey_Priv

func (*PrivateKey) Marshal 

func (m *PrivateKey) Marshal() (dAtA []byte, err error)

func (*PrivateKey) MarshalTo 

func (m *PrivateKey) MarshalTo(dAtA []byte) (int, error)

func (*PrivateKey) ProtoMessage 

func (*PrivateKey) ProtoMessage()

func (*PrivateKey) PublicKey 

func (p *PrivateKey) PublicKey() *PublicKey

PublicKey returns the corresponding PublicKey

func (*PrivateKey) Reset 

func (m *PrivateKey) Reset()

func (*PrivateKey) Sign 

func (p *PrivateKey) Sign(message []byte) (*Signature, error)

Sign returns a matching signature for this private key

func (*PrivateKey) Size 

func (m *PrivateKey) Size() (n int)

func (*PrivateKey) String 

func (m *PrivateKey) String() string

func (*PrivateKey) Unmarshal 

func (m *PrivateKey) Unmarshal(dAtA []byte) error

func (*PrivateKey) XXX_DiscardUnknown added in v0.12.0 

func (m *PrivateKey) XXX_DiscardUnknown()

func (*PrivateKey) XXX_Marshal added in v0.12.0 

func (m *PrivateKey) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*PrivateKey) XXX_Merge added in v0.12.0 

func (m *PrivateKey) XXX_Merge(src proto.Message)

func (*PrivateKey) XXX_OneofFuncs 

func (*PrivateKey) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{})

XXX_OneofFuncs is for the internal use of the proto package.

func (*PrivateKey) XXX_Size added in v0.12.0 

func (m *PrivateKey) XXX_Size() int

func (*PrivateKey) XXX_Unmarshal added in v0.12.0 

func (m *PrivateKey) XXX_Unmarshal(b []byte) error

type PrivateKey_Ed25519 

type PrivateKey_Ed25519 struct {
	Ed25519 []byte `protobuf:"bytes,1,opt,name=ed25519,proto3,oneof"`
}

func (*PrivateKey_Ed25519) MarshalTo 

func (m *PrivateKey_Ed25519) MarshalTo(dAtA []byte) (int, error)

func (*PrivateKey_Ed25519) PublicKey 

func (p *PrivateKey_Ed25519) PublicKey() *PublicKey

PublicKey returns the corresponding PublicKey

func (*PrivateKey_Ed25519) Sign 

func (p *PrivateKey_Ed25519) Sign(message []byte) (*Signature, error)

Sign returns a matching signature for this private key

func (*PrivateKey_Ed25519) Size 

func (m *PrivateKey_Ed25519) Size() (n int)

type PubKey 

type PubKey interface {
	Verify(message []byte, sig *Signature) bool
	Condition() weave.Condition
}

Pubkey represents a crypto public key we use

type PublicKey 

type PublicKey struct {
	// Types that are valid to be assigned to Pub:
	//	*PublicKey_Ed25519
	Pub isPublicKey_Pub `protobuf_oneof:"pub"`
}

func (*PublicKey) Address 

func (p *PublicKey) Address() weave.Address

Address is a convenience method to get the Condition then take Address

func (*PublicKey) Condition added in v0.4.0 

func (p *PublicKey) Condition() weave.Condition

Condition generates a Condition object to represent a valid signature.

func (*PublicKey) Descriptor 

func (*PublicKey) Descriptor() ([]byte, []int)

func (*PublicKey) GetEd25519 

func (m *PublicKey) GetEd25519() []byte

func (*PublicKey) GetPub 

func (m *PublicKey) GetPub() isPublicKey_Pub

func (*PublicKey) Marshal 

func (m *PublicKey) Marshal() (dAtA []byte, err error)

func (*PublicKey) MarshalTo 

func (m *PublicKey) MarshalTo(dAtA []byte) (int, error)

func (*PublicKey) ProtoMessage 

func (*PublicKey) ProtoMessage()

func (*PublicKey) Reset 

func (m *PublicKey) Reset()

func (*PublicKey) Size 

func (m *PublicKey) Size() (n int)

func (*PublicKey) String 

func (m *PublicKey) String() string

func (*PublicKey) Unmarshal 

func (m *PublicKey) Unmarshal(dAtA []byte) error

func (*PublicKey) Verify 

func (p *PublicKey) Verify(message []byte, sig *Signature) bool

Verify verifies the signature was created with this message and public key

func (*PublicKey) XXX_DiscardUnknown added in v0.12.0 

func (m *PublicKey) XXX_DiscardUnknown()

func (*PublicKey) XXX_Marshal added in v0.12.0 

func (m *PublicKey) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*PublicKey) XXX_Merge added in v0.12.0 

func (m *PublicKey) XXX_Merge(src proto.Message)

func (*PublicKey) XXX_OneofFuncs 

func (*PublicKey) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{})

XXX_OneofFuncs is for the internal use of the proto package.

func (*PublicKey) XXX_Size added in v0.12.0 

func (m *PublicKey) XXX_Size() int

func (*PublicKey) XXX_Unmarshal added in v0.12.0 

func (m *PublicKey) XXX_Unmarshal(b []byte) error

type PublicKey_Ed25519 

type PublicKey_Ed25519 struct {
	Ed25519 []byte `protobuf:"bytes,1,opt,name=ed25519,proto3,oneof"`
}

func (*PublicKey_Ed25519) Condition added in v0.4.0 

func (p *PublicKey_Ed25519) Condition() weave.Condition

Condition encodes the public key into a weave permission

func (*PublicKey_Ed25519) MarshalTo 

func (m *PublicKey_Ed25519) MarshalTo(dAtA []byte) (int, error)

func (*PublicKey_Ed25519) Size 

func (m *PublicKey_Ed25519) Size() (n int)

func (*PublicKey_Ed25519) Verify 

func (p *PublicKey_Ed25519) Verify(message []byte, sig *Signature) bool

Verify verifies the signature was created with this message and public key

type Signature 

type Signature struct {
	// Types that are valid to be assigned to Sig:
	//	*Signature_Ed25519
	Sig isSignature_Sig `protobuf_oneof:"sig"`
}

func (*Signature) Descriptor 

func (*Signature) Descriptor() ([]byte, []int)

func (*Signature) GetEd25519 

func (m *Signature) GetEd25519() []byte

func (*Signature) GetSig 

func (m *Signature) GetSig() isSignature_Sig

func (*Signature) Marshal 

func (m *Signature) Marshal() (dAtA []byte, err error)

func (*Signature) MarshalTo 

func (m *Signature) MarshalTo(dAtA []byte) (int, error)

func (*Signature) ProtoMessage 

func (*Signature) ProtoMessage()

func (*Signature) Reset 

func (m *Signature) Reset()

func (*Signature) Size 

func (m *Signature) Size() (n int)

func (*Signature) String 

func (m *Signature) String() string

func (*Signature) Unmarshal 

func (m *Signature) Unmarshal(dAtA []byte) error

func (*Signature) XXX_DiscardUnknown added in v0.12.0 

func (m *Signature) XXX_DiscardUnknown()

func (*Signature) XXX_Marshal added in v0.12.0 

func (m *Signature) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*Signature) XXX_Merge added in v0.12.0 

func (m *Signature) XXX_Merge(src proto.Message)

func (*Signature) XXX_OneofFuncs 

func (*Signature) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{})

XXX_OneofFuncs is for the internal use of the proto package.

func (*Signature) XXX_Size added in v0.12.0 

func (m *Signature) XXX_Size() int

func (*Signature) XXX_Unmarshal added in v0.12.0 

func (m *Signature) XXX_Unmarshal(b []byte) error

type Signature_Ed25519 

type Signature_Ed25519 struct {
	Ed25519 []byte `protobuf:"bytes,1,opt,name=ed25519,proto3,oneof"`
}

func (*Signature_Ed25519) MarshalTo 

func (m *Signature_Ed25519) MarshalTo(dAtA []byte) (int, error)

func (*Signature_Ed25519) Size 

func (m *Signature_Ed25519) Size() (n int)

type Signer 

type Signer interface {
	Sign(message []byte) (*Signature, error)
	PublicKey() *PublicKey
}

Signer is the functionality we use from a private key No serializing to support hardware devices as well.

Source Files

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