capacitor-biometric-authentication/dist/esm/utils/encoding.d.ts

Framework-agnostic biometric authentication library. Works with React, Vue, Angular, or vanilla JS. No providers required!

/**
 * Unified encoding utilities for biometric authentication
 *
 * This module consolidates base64/base64url encoding functions
 * that were previously duplicated across multiple files.
 */
/**
 * Convert ArrayBuffer to standard base64 string
 */
export declare function arrayBufferToBase64(buffer: ArrayBuffer): string;
/**
 * Convert ArrayBuffer to base64url string (WebAuthn standard)
 * Base64url is URL-safe: uses - instead of +, _ instead of /, no padding
 */
export declare function arrayBufferToBase64URL(buffer: ArrayBuffer): string;
/**
 * Convert base64 string to ArrayBuffer
 */
export declare function base64ToArrayBuffer(base64: string): ArrayBuffer;
/**
 * Convert base64url string to ArrayBuffer
 */
export declare function base64URLToArrayBuffer(base64url: string): ArrayBuffer;
/**
 * Convert Uint8Array to base64url string
 */
export declare function uint8ArrayToBase64URL(array: Uint8Array): string;
/**
 * Convert base64url string to Uint8Array
 */
export declare function base64URLToUint8Array(base64url: string): Uint8Array;
/**
 * Convert various input formats to ArrayBuffer
 * Handles ArrayBuffer, Uint8Array, base64, base64url, and UTF-8 strings
 */
export declare function toArrayBuffer(data: ArrayBuffer | Uint8Array | string | undefined): ArrayBuffer | undefined;
/**
 * Generate a cryptographically secure random session ID
 */
export declare function generateSessionId(): string;
/**
 * Generate a cryptographically secure random challenge
 */
export declare function generateChallenge(length?: number): ArrayBuffer;
/**
 * Check if a string is valid base64url
 */
export declare function isBase64URL(str: string): boolean;
/**
 * Check if a string is valid base64
 */
export declare function isBase64(str: string): boolean;