/* auto-generated by NAPI-RS */
/* eslint-disable */
export declare const enum Algorithm {
  /**
   * Optimizes against GPU cracking attacks but vulnerable to side-channels.
   * Accesses the memory array in a password dependent order, reducing the possibility of time–memory tradeoff (TMTO) attacks.
   */
  Argon2d = 0,
  /**
   * Optimized to resist side-channel attacks.
   * Accesses the memory array in a password independent order, increasing the possibility of time-memory tradeoff (TMTO) attacks.
   */
  Argon2i = 1,
  /**
   * Default value, this is the default algorithm for normative recommendations.
   * Hybrid that mixes Argon2i and Argon2d passes.
   * Uses the Argon2i approach for the first half pass over memory and Argon2d approach for subsequent passes. This effectively places it in the “middle” between the other two: it doesn’t provide as good TMTO/GPU cracking resistance as Argon2d, nor as good of side-channel resistance as Argon2i, but overall provides the most well-rounded approach to both classes of attacks.
   */
  Argon2id = 2
}

export declare function hash(password: string | Uint8Array, options?: Options | undefined | null, abortSignal?: AbortSignal | undefined | null): Promise<string>

export declare function hashRaw(password: string | Uint8Array, options?: Options | undefined | null, abortSignal?: AbortSignal | undefined | null): Promise<Buffer>

export declare function hashRawSync(password: string | Uint8Array, options?: Options | undefined | null): Buffer

export declare function hashSync(password: string | Uint8Array, options?: Options | undefined | null): string

export interface Options {
  /**
   * The amount of memory to be used by the hash function, in kilobytes. Each thread will have a memory pool of this size. Note that large values for highly concurrent usage will cause starvation and thrashing if your system memory gets full.
   *
   * Value is an integer in decimal (1 to 10 digits), between 1 and (2^32)-1.
   *
   * The default value is 19456, meaning a pool of 19 MiB per thread.
   */
  memoryCost?: number
  /**
   * The time cost is the amount of passes (iterations) used by the hash function. It increases hash strength at the cost of time required to compute.
   *
   * Value is an integer in decimal (1 to 10 digits), between 1 and (2^32)-1.
   *
   * The default value is 2.
   */
  timeCost?: number
  /**
   * The hash length is the length of the hash function output in bytes. Note that the resulting hash is encoded with Base 64, so the digest will be ~1/3 longer.
   *
   * The default value is 32, which produces raw hashes of 32 bytes or digests of 43 characters.
   */
  outputLen?: number
  /**
   * The amount of threads to compute the hash on. Each thread has a memory pool with memoryCost size. Note that changing it also changes the resulting hash.
   *
   * Value is an integer in decimal (1 to 3 digits), between 1 and 255.
   *
   * The default value is 1, meaning a single thread is used.
   */
  parallelism?: number
  algorithm?: Algorithm
  version?: Version
  secret?: Uint8Array
  salt?: Uint8Array
}

export interface ParsedHashOptions {
  algorithm: Algorithm
  version: Version
  /** Memory cost in kibibytes (`m=` in the PHC string). */
  memoryCost: number
  /** Time cost / number of passes (`t=` in the PHC string). */
  timeCost: number
  /** Degree of parallelism (`p=` in the PHC string). */
  parallelism: number
  /** Length of the raw hash output in bytes. */
  outputLen: number
  /**
   * Byte length of the decoded salt. This package generates 16-byte salts;
   * older hashes may carry shorter ones.
   */
  saltLen: number
}

/**
 * Parses an encoded argon2 hash string (PHC format) and returns the parameters
 * it was created with. Useful for "needs rehash" checks: compare the returned
 * parameters against your current policy and rehash when they differ.
 */
export declare function parseOptions(hashed: string | Uint8Array): ParsedHashOptions

export declare function verify(hashed: string | Uint8Array, password: string | Uint8Array, options?: Options | undefined | null, abortSignal?: AbortSignal | undefined | null): Promise<boolean>

export declare function verifySync(hashed: string | Uint8Array, password: string | Uint8Array, options?: Options | undefined | null): boolean

export declare const enum Version {
  /** Version 16 (0x10 in hex) */
  V0x10 = 0,
  /**
   * Default value
   * Version 19 (0x13 in hex)
   */
  V0x13 = 1
}