Package dev.sigstore.encryption.signers

Class EcdsaVerifier

java.lang.Object

dev.sigstore.encryption.signers.EcdsaVerifier

All Implemented Interfaces:

Verifier

public class EcdsaVerifier
extends java.lang.Object
implements Verifier

ECDSA verifier, instantiated by Verifiers.newVerifier(PublicKey).

Method Summary

Modifier and Type	Method	Description
java.security.PublicKey	getPublicKey()	Return the public key associated with this verifier.
boolean	verify(byte[] artifact, byte[] signature)	Verify an artifact.
boolean	verifyDigest(byte[] digest, byte[] signature)	Verify an artifact using the artifact's sha256 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: Verifier

Return the public key associated with this verifier.

Specified by:

getPublicKey in interface Verifier

verify

public boolean verify(byte[] artifact,
                      byte[] signature)
               throws java.security.NoSuchAlgorithmException,
                      java.security.InvalidKeyException,
                      java.security.SignatureException

Description copied from interface: Verifier

Verify an artifact. Implementations will hash the artifact with sha256 before verifying.

Specified by:

verify in interface Verifier

Parameters:

artifact - the artifact that was signed

signature - the signature associated with the artifact

Returns:

true if the signature is valid, false otherwise

Throws:

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException

java.security.SignatureException

verifyDigest

public boolean verifyDigest(byte[] digest,
                            byte[] signature)
                     throws java.security.NoSuchAlgorithmException,
                            java.security.InvalidKeyException,
                            java.security.SignatureException

Description copied from interface: Verifier

Verify an artifact using the artifact's sha256 digest. Implementations do not further hash the input.

Specified by:

verifyDigest in interface Verifier

Parameters:

digest - the sha256 digest of the artifact that was signed

signature - the signature associated with the artifact

Returns:

true if the signature is valid, false otherwise

Throws:

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException

java.security.SignatureException