@nikeee/aes-cmac
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A pure Node.js implementation of the AES-CMAC algorithm (NIST 800-38B / RFC 4493).
24 lines (23 loc) • 1.04 kB
TypeScript
/**
* Perform AES-CMAC on the given message with the given key according to [NIST Special Publication 800-38B](http://csrc.nist.gov/publications/nistpubs/800-38B/SP_800-38B.pdf)
and ([RFC 4493](http://tools.ietf.org/html/rfc4493)).
* @param {Buffer} key AES key to use. Supported sizes are: 16, 24, 32 bytes (128, 192, 256 bits).
* @param {Buffer} message
* @example
* ```js
* import aesCmac from "@nikeee/aes-cmac";
*
* const key = Buffer.from("k3Men*p/2.3j4abB");
* const message = Buffer.from("this|is|a|test|message");
* const cmac = aesCmac(key, message).toString("hex");
* // cmac will be: "0125c538f8be7c4eea370f992a4ffdcb"
*
* // Example with buffers.
* const bufferKey = Buffer.from("6b334d656e2a702f322e336a34616242", "hex");
* const bufferMessage = Buffer.from("this|is|a|test|message");
* const cmac = aesCmac(bufferKey, bufferMessage);
* // cmac will be a Buffer containing:
* // <01 25 c5 38 f8 be 7c 4e ea 37 0f 99 2a 4f fd cb>
* ```
*/
export default function aesCmac(key: Buffer, message: Buffer): Buffer;