import { sha256Bytes } from "#sha256";
export { sha256Bytes };
/** HMAC-SHA256 of `data` under `key`, as 32 bytes. A string is used as UTF-8. */
export declare function hmacSha256(key: Uint8Array | string, data: Uint8Array | string): Uint8Array;
/** The SHA-256 digest of `data` as lowercase hex. A string is hashed as UTF-8. */
export declare function sha256Hex(data: Uint8Array | string): string;
/** The SHA-256 digest of a UTF-8 string, as lowercase hex. */
export declare function sha256Text(value: string): string;
/** The SHA-256 digest of `data`, as 32 bytes, from WebCrypto. A string is
 *  hashed as UTF-8. */
export declare function sha256BytesAsync(data: Uint8Array | string): Promise<Uint8Array>;
/** HMAC-SHA256 of `data` under `key`, as 32 bytes, from WebCrypto. A
 *  string is used as UTF-8. */
export declare function hmacSha256Async(key: Uint8Array | string, data: Uint8Array | string): Promise<Uint8Array>;
/** The SHA-256 digest of `data` as lowercase hex, from WebCrypto. */
export declare function sha256HexAsync(data: Uint8Array | string): Promise<string>;
/** Bytes as lowercase hex. */
export declare function toHex(bytes: Uint8Array): string;