/**
 * Code related to AES_GCM mode
 * @module
 */
import * as params from "../params.js";
import { AesGcmCryptoKey, AesGcmProxiedCryptoKey } from "./shared.js";
/** @hidden */
export declare const handler: ProxyHandler<AesGcmCryptoKey>;
/**
 * Generate a new AES_GCM key
 * @example
 * ```ts
 * const key = await AES_GCM.generateKey();
 * ```
 */
export declare function generateKey(algorithm?: Omit<params.EnforcedAesKeyGenParams, "name">, extractable?: boolean, keyUsages?: KeyUsage[]): Promise<AesGcmProxiedCryptoKey>;
/**
 * Import an AES_GCM key from the specified format
 * @example
 * ```ts
 * const key = await AES_GCM.importKey("jwk", jwk, { length: 256 });
 * ```
 */
export declare function importKey(format: KeyFormat, key: BufferSource | JsonWebKey, algorithm: Omit<params.AesGcmKeyAlgorithm, "name">, extractable?: boolean, keyUsages?: KeyUsage[]): Promise<AesGcmProxiedCryptoKey>;
/**
 * Export an AES_GCM key into the specified format
 * @example
 * ```ts
 * const key = await AES_GCM.generateKey();
 * const jwk = await AES_GCM.exportKey("jwk", key.self);
 * ```
 * @example
 * ```ts
 * const key = await AES_GCM.generateKey();
 * const jwk = await key.exportKey("jwk");
 * ```
 */
export declare const exportKey: (format: KeyFormat, key: AesGcmCryptoKey) => Promise<ArrayBuffer | JsonWebKey>;
/**
 * Encrypt with an AES_GCM key
 * @example
 * ```ts
 * const iv = await Random.IV.generate();
 * const key = await AES_GCM.generateKey();
 * const message = new TextEncoder().encode("a message");
 * const data = await AES_GCM.encrypt({iv}, key.self, message);
 * ```
 * @example
 * ```ts
 * const iv = await Random.IV.generate();
 * const key = await AES_GCM.generateKey();
 * const message = new TextEncoder().encode("a message");
 * const data = await key.encrypt({iv}, message);
 * ```
 */
export declare function encrypt(algorithm: Omit<params.EnforcedAesGcmParams, "name">, key: AesGcmCryptoKey, data: BufferSource): Promise<ArrayBuffer>;
/**
 * Decrypt with an AES_GCM key
 * @example
 * ```ts
 * const key = await AES_GCM.generateKey();
 * const data = await AES_GCM.decrypt({iv}, key.self, data);
 * ```
 * @example
 * ```ts
 * const key = await AES_GCM.generateKey();
 * const data = await key.decrypt({iv}, data);
 * ```
 */
export declare function decrypt(algorithm: Omit<params.EnforcedAesGcmParams, "name">, key: AesGcmCryptoKey, data: BufferSource): Promise<ArrayBuffer>;
/**
 * Wrap another key with an AES_GCM key
 * @example
 * ```ts
 * const iv = await Random.IV.generate();
 * const kek = await AES_GCM.generateKey({length: 256}, true, ['wrapKey', 'unwrapKey']);
 * const dek = await AES_GCM.generateKey();
 * const wrappedKey = await AES_GCM.wrapKey("raw", dek.self, kek.self, {iv});
 * ```
 * @example
 * ```ts
 * const iv = await Random.IV.generate();
 * const kek = await AES_GCM.generateKey({length: 256}, true, ['wrapKey', 'unwrapKey']);
 * const dek = await AES_GCM.generateKey();
 * const wrappedKey = await kek.wrapKey("raw", dek.self, {iv});
 * ```
 */
export declare function wrapKey(format: KeyFormat, key: CryptoKey, wrappingkey: AesGcmCryptoKey, wrapAlgorithm: Omit<params.EnforcedAesGcmParams, "name">): Promise<ArrayBuffer>;
/**
 * Unwrap a wrapped key using the key encryption key
 * @example
 * ```ts
 * const dek = await AES_GCM.unwrapKey("raw", wrappedKey, {name: "AES_GCM"}, kek, {iv});
 * ```
 * @example
 * ```ts
 * const dek = await kek.unwrapKey("raw", wrappedKey, {name: "AES_GCM"}, {iv});
 * ```
 */
export declare function unwrapKey(format: KeyFormat, wrappedKey: BufferSource, wrappedKeyAlgorithm: params.EnforcedImportParams, unwrappingKey: AesGcmCryptoKey, unwrappingKeyAlgorithm: Omit<params.EnforcedAesGcmParams, "name">, extractable?: boolean, keyUsages?: KeyUsage[]): Promise<CryptoKey>;
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