export declare const COMPARATOR_NOT_READY: any, COMPARATOR_NOT_MATCH: any, COMPARATOR_MATCH: any, COMPARATOR_ERROR: any, KEYTYPE_RSA: any, KEYTYPE_EC: any;
export declare function isBase64(str: String): boolean;
export declare function string64(input: String): String;
export declare function keyPair64(typeOfKey?: any): Promise<Object>;
export declare function symmetricKey64(): Promise<string>;
export declare function secureCellSealWithSymmetricKeyEncrypt64(symmetricKey64: String, plaintext: String, context?: String): Promise<string>;
export declare function secureCellSealWithSymmetricKeyDecrypt64(symmetricKey64: String, encrypted64: String, context?: String): Promise<string>;
export declare function secureCellSealWithPassphraseEncrypt64(passphrase: String, plaintext: String, context?: String): Promise<string>;
export declare function secureCellSealWithPassphraseDecrypt64(passphrase: String, encrypted64: String, context?: String): Promise<string>;
export declare function secureCellTokenProtectEncrypt64(symmetricKey64: String, plaintext: String, context?: String): Promise<Object>;
export declare function secureCellTokenProtectDecrypt64(symmetricKey64: String, encrypted64: String, token64: String, context?: String): Promise<string>;
export declare function secureCellContextImprintEncrypt64(symmetricKey64: String, plaintext: String, context: String): Promise<string>;
export declare function secureCellContextImprintDecrypt64(symmetricKey64: String, encrypted64: String, context: String): Promise<string>;
export declare function secureMessageSign64(plaintext: String, privateKey64: String, _publicKey64?: String): Promise<string>;
export declare function secureMessageVerify64(signed64: String, _privateKey64: String | undefined, publicKey64: String): Promise<string>;
export declare function secureMessageEncrypt64(plaintext: String, privateKey64: String, publicKey64: String): Promise<string>;
export declare function secureMessageDecrypt64(encrypted64: String, privateKey64: String, publicKey64: String): Promise<string>;
export declare function comparatorInit64(data64: String): Promise<string>;
export declare function comparatorBegin(uuidStr: String): Promise<string>;
export declare function comparatorProceed64(uuidStr: String, data64: String): Promise<Object>;