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Package crypto

import "github.com/hyperledger/fabric/common/crypto"
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Constants

const (
    // NonceSize is the default NonceSize
    NonceSize = 24
)

func ExpiresAt

func ExpiresAt(identityBytes []byte) time.Time

ExpiresAt returns when the given identity expires, or a zero time.Time in case we cannot determine that

func GetRandomBytes

func GetRandomBytes(len int) ([]byte, error)

GetRandomBytes returns len random looking bytes

func GetRandomNonce

func GetRandomNonce() ([]byte, error)

GetRandomNonce returns a random byte array of length NonceSize

func SanitizeIdentity

func SanitizeIdentity(identity []byte) ([]byte, error)

func TrackExpiration

func TrackExpiration(tls bool, serverCert []byte, clientCertChain [][]byte, sIDBytes []byte, warn WarnFunc, now time.Time, s Scheduler)

TrackExpiration warns a week before one of the certificates expires

type IdentitySerializer

IdentitySerializer serializes identities

type IdentitySerializer interface {
    // Serialize converts an identity to bytes
    Serialize() ([]byte, error)
}

type LocalSigner

LocalSigner is a temporary stub interface which will be implemented by the local MSP

type LocalSigner interface {
    SignatureHeaderMaker
    Signer
}

type Scheduler

Scheduler invokes f after d time, and can be replaced with time.AfterFunc.

type Scheduler func(d time.Duration, f func()) *time.Timer

type SignatureHeaderCreator

SignatureHeaderCreator creates signature headers

type SignatureHeaderCreator struct {
    SignerSupport
}

func NewSignatureHeaderCreator

func NewSignatureHeaderCreator(ss SignerSupport) *SignatureHeaderCreator

NewSignatureHeaderCreator creates new signature headers

func (*SignatureHeaderCreator) NewSignatureHeader

func (bs *SignatureHeaderCreator) NewSignatureHeader() (*cb.SignatureHeader, error)

NewSignatureHeader creates a SignatureHeader with the correct signing identity and a valid nonce

type SignatureHeaderMaker

SignatureHeaderMaker creates a new SignatureHeader

type SignatureHeaderMaker interface {
    // NewSignatureHeader creates a SignatureHeader with the correct signing identity and a valid nonce
    NewSignatureHeader() (*cb.SignatureHeader, error)
}

type Signer

Signer signs messages

type Signer interface {
    // Sign a message and return the signature over the digest, or error on failure
    Sign(message []byte) ([]byte, error)
}

type SignerSupport

SignerSupport implements the needed support for LocalSigner

type SignerSupport interface {
    Signer
    IdentitySerializer
}

type WarnFunc

WarnFunc notifies a warning happened with the given format, and can be replaced with Warnf of a logger.

type WarnFunc func(format string, args ...interface{})

Subdirectories

Name Synopsis
..
tlsgen