crypto

package

v0.0.0-...-f1c747c Latest Latest Go to latest Published: Jun 11, 2017 License: Apache-2.0 Imports: 15 Imported by: 0

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Package crypto provides signing functionality for Trillian.

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func HashLogRoot(root trillian.SignedLogRoot) []byte

HashLogRoot hashes SignedLogRoot objects using ObjectHash with "RootHash", "TimestampNanos", and "TreeSize", used as keys in a map.

func Verify(pub crypto.PublicKey, data []byte, sig *sigpb.DigitallySigned) error

Verify cryptographically verifies the output of Signer.

func VerifyObject(pub crypto.PublicKey, obj interface{}, sig *sigpb.DigitallySigned) error

VerifyObject verifies the output of Signer.SignObject.

type Signer struct {
	Hash   crypto.Hash
	Signer crypto.Signer
}

Signer is responsible for signing log-related data and producing the appropriate application specific signature objects.

func NewSHA256Signer(signer crypto.Signer) *Signer

NewSHA256Signer creates a new SHA256 based Signer.

func (s *Signer) Public() crypto.PublicKey

Public returns the public key that can verify signatures produced by s.

func (s *Signer) Sign(data []byte) (*sigpb.DigitallySigned, error)

Sign obtains a signature after first hashing the input data.

func (s *Signer) SignObject(obj interface{}) (*sigpb.DigitallySigned, error)

SignObject signs the requested object using ObjectHash.

Path	Synopsis
keys Package keys provides access to public and private keys for signing and verification of signatures.	Package keys provides access to public and private keys for signing and verification of signatures.
keyspb Package keyspb is a generated protocol buffer package.	Package keyspb is a generated protocol buffer package.
sigpb Package sigpb is a generated protocol buffer package.	Package sigpb is a generated protocol buffer package.