Package dev.sigstore.encryption.signers

Class EcdsaSigner

java.lang.Object

dev.sigstore.encryption.signers.EcdsaSigner

All Implemented Interfaces:

Signer

public class EcdsaSigner
extends java.lang.Object
implements Signer

ECDSA signer, use Signers.newEcdsaSigner() to instantiate}.

Method Summary

Modifier and Type	Method	Description
java.security.PublicKey	getPublicKey()	Return the public key associated with this signer.
byte[]	sign(byte[] artifact)	Sign an artifact.
byte[]	signDigest(byte[] artifactDigest)	Sign an artifact digest.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getPublicKey

public java.security.PublicKey getPublicKey()

Description copied from interface: Signer

Return the public key associated with this signer.

Specified by:

getPublicKey in interface Signer

sign

public byte[] sign(byte[] artifact)
            throws java.security.NoSuchAlgorithmException,
                   java.security.InvalidKeyException,
                   java.security.SignatureException

Description copied from interface: Signer

Sign an artifact. Implementations will hash the artifact with sha256 before signing.

Specified by:

sign in interface Signer

Parameters:

artifact - the bytes to be signed

Throws:

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException

java.security.SignatureException

signDigest

public byte[] signDigest(byte[] artifactDigest)
                  throws java.security.NoSuchAlgorithmException,
                         java.security.InvalidKeyException,
                         java.security.SignatureException

Description copied from interface: Signer

Sign an artifact digest. Implementations will not further hash the inputs.

Specified by:

signDigest in interface Signer

Parameters:

artifactDigest - the sha256 digest of the artifact to be signed

Throws:

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException

java.security.SignatureException