export declare class Crypto {
    getRandomValues(size: number): Uint8Array;
    sha256(data: Uint8Array): Uint8Array;
    compressP256PublicKey(publicKey: Uint8Array): Uint8Array;
    signP256(data: Uint8Array, secretKey: Uint8Array): Uint8Array;
    senderId(publicKeyOrSenderId: Uint8Array): Uint8Array;
}
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