/** The DER bytes of a PEM `CERTIFICATE` block. */
export declare const pemToDer: (pem: string) => Uint8Array<ArrayBuffer>;
/**
 * The SubjectPublicKeyInfo of a DER certificate:
 * `Certificate → tbsCertificate → [version] serial, signature, issuer,
 * validity, subject, subjectPublicKeyInfo`.
 */
export declare const spkiOf: (der: Uint8Array) => Uint8Array<ArrayBuffer>;
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