import { Hex } from 'viem';
export declare function generateKey(): `0x${string}`;
export declare function generateSecret(): {
    secret: `0x${string}`;
    publicKey: `0x${string}`;
};
export declare function generateShortCode(): `0x${string}`;
export declare function encryptByTmpSecret(secret: Hex, hexData: Hex): Promise<`0x${string}`>;
export declare function decryptByTmpSecret(secret: Hex, hexData: Hex): Promise<`0x${string}`>;
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