Examples with EcdsaPublicKey com.google.crypto.tink.proto.EcdsaPublicKey used on opensource projects

Example 6 with EcdsaPublicKey

use of com.google.crypto.tink.proto.EcdsaPublicKey in project tink by google.

the class EcdsaVerifyKeyManager method getPrimitive.

/**
 * @param key {@code EcdsaPublicKey} proto
 */
@Override
public PublicKeyVerify getPrimitive(MessageLite key) throws GeneralSecurityException {
    if (!(key instanceof EcdsaPublicKey)) {
        throw new GeneralSecurityException("expected EcdsaPublicKey proto");
    }
    EcdsaPublicKey keyProto = (EcdsaPublicKey) key;
    validate(keyProto);
    ECPublicKey publicKey = EllipticCurves.getEcPublicKey(SigUtil.toCurveType(keyProto.getParams().getCurve()), keyProto.getX().toByteArray(), keyProto.getY().toByteArray());
    return new EcdsaVerifyJce(publicKey, SigUtil.toEcdsaAlgo(keyProto.getParams().getHashType()));
}