/**
 * @license
 * Copyright 2020 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { PbKeyTemplate } from '../internal/proto';
/**
 * Pre-generated KeyTemplates for keys for digital signatures.
 *
 * One can use these templates to generate new Keyset with
 * KeysetHandle.generateNew method. To generate a new keyset that contains a
 * single EcdsaKey, one can do:
 *
 * SignatureConfig.Register();
 * KeysetHandle handle = KeysetHandle.generateNew(
 *     SignatureKeyTemplates.ecdsaP256());
 *
 * @final
 */
export declare class SignatureKeyTemplates {
    /**
     * Returns a KeyTemplate that generates new instances of
     * EcdsaPrivateKey with the following parameters:
     *  Hash function: SHA256
     *  Curve: NIST P-256
     *  Signature encoding: DER (this is the encoding that Java uses)
     *  OutputPrefixType: TINK
     *
     */
    static ecdsaP256(): PbKeyTemplate;
    /**
     * Returns a KeyTemplate that generates new instances of
     * EcdsaPrivateKey with the following parameters:
     *  Hash function: SHA512
     *  Curve: NIST P-384
     *  Signature encoding: DER (this is the encoding that Java uses)
     *  OutputPrefixType: TINK
     *
     */
    static ecdsaP384(): PbKeyTemplate;
    /**
     * Returns a KeyTemplate that generates new instances of
     * EcdsaPrivateKey with the following parameters:
     *  Hash function: SHA512
     *  Curve: NIST P-521
     *  Signature encoding: DER (this is the encoding that Java uses).
     *  OutputPrefixType: TINK
     *
     */
    static ecdsaP521(): PbKeyTemplate;
    /**
     * Returns a KeyTemplate that generates new instances of
     * EcdsaPrivateKey with the following parameters:
     *  Hash function: SHA256
     *  Curve: NIST P-256
     *  Signature encoding: IEEE_P1363 (this is the encoding that WebCrypto uses)
     *  OutputPrefixType: TINK
     *
     */
    static ecdsaP256IeeeEncoding(): PbKeyTemplate;
    /**
     * Returns a KeyTemplate that generates new instances of
     * EcdsaPrivateKey with the following parameters:
     *  Hash function: SHA512
     *  Curve: NIST P-384
     *  Signature encoding: IEEE_P1363 (this is the encoding that WebCrypto uses)
     *  OutputPrefixType: TINK
     *
     */
    static ecdsaP384IeeeEncoding(): PbKeyTemplate;
    /**
     * Returns a KeyTemplate that generates new instances of
     * EcdsaPrivateKey with the following parameters:
     *  Hash function: SHA512
     *  Curve: NIST P-521
     *  Signature encoding: IEEE_P1363 (this is the encoding that WebCrypto uses)
     *  OutputPrefixType: TINK
     *
     */
    static ecdsaP521IeeeEncoding(): PbKeyTemplate;
}