casper-js-sdk/dist/types/keypair/utils.d.ts

SDK to interact with the Casper blockchain

/**
 * Reads in a base64 private key, ignoring the header: `-----BEGIN PUBLIC KEY-----`
 * and footer: `-----END PUBLIC KEY-----`
 * @param {string} content A .pem private key string with a header and footer
 * @returns A base64 private key as a `Uint8Array`
 * @remarks
 * If the provided base64 `content` string does not include a header/footer,
 * it will pass through this function unaffected
 * @example
 * Example PEM:
 *
 * ```
 * -----BEGIN PUBLIC KEY-----\r\n
 * MFYwEAYHKoZIzj0CAQYFK4EEAAoDQgAEj1fgdbpNbt06EY/8C+wbBXq6VvG+vCVD\r\n
 * Nl74LvVAmXfpdzCWFKbdrnIlX3EFDxkd9qpk35F/kLcqV3rDn/u3dg==\r\n
 * -----END PUBLIC KEY-----\r\n
 * ```
 */
export declare function readBase64WithPEM(content: string): Uint8Array;
/**
 * Parses and validates a key in a certain range "from" to "to"
 * @param {Uint8Array} bytes The key to be parsed and validated
 * @param {number} from The starting index from which to parse the key
 * @param {number} to The ending index from which to parse the key
 * @returns The parsed key
 * @throws `Error` if the key is of an unexpected length
 */
export declare const parseKey: (bytes: Uint8Array, from: number, to: number) => Uint8Array | Buffer;