From 253446c20b5aa03014fd04bcb21e6fd607a3ac5a Mon Sep 17 00:00:00 2001 From: David Monniaux Date: Mon, 28 Jan 2019 22:10:50 +0100 Subject: crypto algorithms from https://github.com/B-Con/crypto-algorithms/ --- test/monniaux/crypto-algorithms/des.h | 37 +++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 test/monniaux/crypto-algorithms/des.h (limited to 'test/monniaux/crypto-algorithms/des.h') diff --git a/test/monniaux/crypto-algorithms/des.h b/test/monniaux/crypto-algorithms/des.h new file mode 100644 index 00000000..1503772a --- /dev/null +++ b/test/monniaux/crypto-algorithms/des.h @@ -0,0 +1,37 @@ +/********************************************************************* +* Filename: des.h +* Author: Brad Conte (brad AT bradconte.com) +* Copyright: +* Disclaimer: This code is presented "as is" without any guarantees. +* Details: Defines the API for the corresponding DES implementation. + Note that encryption and decryption are defined by how + the key setup is performed, the actual en/de-cryption is + performed by the same function. +*********************************************************************/ + +#ifndef DES_H +#define DESH + +/*************************** HEADER FILES ***************************/ +#include + +/****************************** MACROS ******************************/ +#define DES_BLOCK_SIZE 8 // DES operates on 8 bytes at a time + +/**************************** DATA TYPES ****************************/ +typedef unsigned char BYTE; // 8-bit byte +typedef unsigned int WORD; // 32-bit word, change to "long" for 16-bit machines + +typedef enum { + DES_ENCRYPT, + DES_DECRYPT +} DES_MODE; + +/*********************** FUNCTION DECLARATIONS **********************/ +void des_key_setup(const BYTE key[], BYTE schedule[][6], DES_MODE mode); +void des_crypt(const BYTE in[], BYTE out[], const BYTE key[][6]); + +void three_des_key_setup(const BYTE key[], BYTE schedule[][16][6], DES_MODE mode); +void three_des_crypt(const BYTE in[], BYTE out[], const BYTE key[][16][6]); + +#endif // DES_H -- cgit