import type { RsaPublicJwk } from "../../contracts/auth.js";
export interface RsaKeyPair {
    privateKeyPem: string;
    publicKeyPem: string;
    kid: string;
}
export interface GenerateKeyPairOptions {
    kid?: string;
    modulusLength?: 2048 | 3072 | 4096;
}
export declare function generateKeyPair(options?: GenerateKeyPairOptions): RsaKeyPair;
export declare function loadOrGenerateKeyPair(filePath: string, options?: GenerateKeyPairOptions): RsaKeyPair;
export declare function publicKeyToJwk(publicKeyPem: string, kid: string): RsaPublicJwk;
export declare function deriveKeyId(publicKeyPem: string): string;
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