/** Brand signifiying a valid value - assigned by using toSymEncryptedDataString */
export declare enum AesEncryptedDataStringBrand {
    _ = ""
}
/** Stringified JSON ciphertext (used for private keys) */
export declare type AesEncryptedDataString = string & AesEncryptedDataStringBrand;
/** Encryption modes supported by crypto library (default is gcm) */
export declare enum EncryptionMode {
    Gcm = "gcm",
    Ccm = "ccm",
    Ocb2 = "ocb2",
    Cbc = "cbc"
}
export declare enum EncryptionCipher {
    Aes = "aes"
}
/** Parameters for encryption/decryption - for SHA256 algorithm */
export declare type AesEncryptionOptions = {
    salt?: string;
    iter?: number;
    mode?: EncryptionMode;
    iv?: string;
};
/** Aes encypted data object */
export declare type AesEncryptedData = {
    iv?: string;
    iter: number;
    v: number;
    ks: number;
    ts: number;
    mode: EncryptionMode;
    adata: string;
    cipher: EncryptionCipher;
    ct: string;
};