/**
 * Whether these 32 bytes may carry an APS signature: the canonical encoding of
 * an edwards25519 point that is not of small order. Used for the public key
 * and for the signature's R.
 */
export declare function isAdmissiblePoint(bytes: Uint8Array): boolean;
/**
 * Whether a raw 32-byte public key and a raw 64-byte signature carry
 * admissible key material. Both the public key and the signature's R must
 * pass.
 */
export declare function isAdmissibleKeyMaterial(publicKey: Uint8Array, signature: Uint8Array): boolean;
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