import { type webcrypto } from 'node:crypto';
export declare const encoder: TextEncoder;
export declare const computeSignature: (secretKey: string, algorithm: webcrypto.Algorithm, payload: string, options?: Partial<{
    extractable: boolean;
    encoding: BufferEncoding;
    decodeKey: boolean;
}>) => Promise<string>;
export declare const verifyPublicSignature: (publicKey: string, algorithm: webcrypto.Algorithm, payload: string, signature: string, options?: Partial<{
    extractable: boolean;
    encoding: BufferEncoding;
    format: Exclude<webcrypto.KeyFormat, "jwk">;
}>) => Promise<boolean>;
export declare const verifyBasicAuth: (header: string, username: string, password: string) => boolean;