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@stablelib/poly1305

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Poly1305 one-time message authentication code

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export declare const DIGEST_LENGTH = 16; /** * Poly1305 computes 16-byte authenticator of message using * a one-time 32-byte key. * * Important: key should be used for only one message, * it should never repeat. */ export declare class Poly1305 { readonly digestLength = 16; private _buffer; private _r; private _h; private _pad; private _leftover; private _fin; private _finished; constructor(key: Uint8Array); private _blocks; finish(mac: Uint8Array, macpos?: number): this; update(m: Uint8Array): this; digest(): Uint8Array; clean(): this; } /** * Returns 16-byte authenticator of data using a one-time 32-byte key. * * Important: key should be used for only one message, it should never repeat. */ export declare function oneTimeAuth(key: Uint8Array, data: Uint8Array): Uint8Array; /** * Returns true if two authenticators are 16-byte long and equal. * Uses contant-time comparison to avoid leaking timing information. */ export declare function equal(a: Uint8Array, b: Uint8Array): boolean;