68 lines
2.6 KiB
C
68 lines
2.6 KiB
C
/*********************************************************************
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* Filename: blowfish_test.c
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* Author: Brad Conte (brad AT bradconte.com)
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* Copyright:
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* Disclaimer: This code is presented "as is" without any guarantees.
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* Details: Performs known-answer tests on the corresponding Blowfish
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implementation. These tests do not encompass the full
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range of available test vectors, however, if the tests
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pass it is very, very likely that the code is correct
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and was compiled properly. This code also serves as
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example usage of the functions.
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*********************************************************************/
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/*************************** HEADER FILES ***************************/
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#include <stdio.h>
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#include <memory.h>
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#include "blowfish.h"
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/*********************** FUNCTION DEFINITIONS ***********************/
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int blowfish_test()
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{
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BYTE key1[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
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BYTE key2[8] = {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff};
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BYTE key3[24] = {0xF0,0xE1,0xD2,0xC3,0xB4,0xA5,0x96,0x87,
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0x78,0x69,0x5A,0x4B,0x3C,0x2D,0x1E,0x0F,
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0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77};
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BYTE p1[BLOWFISH_BLOCK_SIZE] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
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BYTE p2[BLOWFISH_BLOCK_SIZE] = {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff};
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BYTE p3[BLOWFISH_BLOCK_SIZE] = {0xFE,0xDC,0xBA,0x98,0x76,0x54,0x32,0x10};
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BYTE c1[BLOWFISH_BLOCK_SIZE] = {0x4e,0xf9,0x97,0x45,0x61,0x98,0xdd,0x78};
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BYTE c2[BLOWFISH_BLOCK_SIZE] = {0x51,0x86,0x6f,0xd5,0xb8,0x5e,0xcb,0x8a};
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BYTE c3[BLOWFISH_BLOCK_SIZE] = {0x05,0x04,0x4b,0x62,0xfa,0x52,0xd0,0x80};
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BYTE enc_buf[BLOWFISH_BLOCK_SIZE];
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BLOWFISH_KEY key;
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int pass = 1;
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// Test vector 1.
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blowfish_key_setup(key1, &key, BLOWFISH_BLOCK_SIZE);
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blowfish_encrypt(p1, enc_buf, &key);
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pass = pass && !memcmp(c1, enc_buf, BLOWFISH_BLOCK_SIZE);
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blowfish_decrypt(c1, enc_buf, &key);
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pass = pass && !memcmp(p1, enc_buf, BLOWFISH_BLOCK_SIZE);
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// Test vector 2.
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blowfish_key_setup(key2, &key, BLOWFISH_BLOCK_SIZE);
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blowfish_encrypt(p2, enc_buf, &key);
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pass = pass && !memcmp(c2, enc_buf, BLOWFISH_BLOCK_SIZE);
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blowfish_decrypt(c2, enc_buf, &key);
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pass = pass && !memcmp(p2, enc_buf, BLOWFISH_BLOCK_SIZE);
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// Test vector 3.
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blowfish_key_setup(key3, &key, 24);
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blowfish_encrypt(p3, enc_buf, &key);
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pass = pass && !memcmp(c3, enc_buf, BLOWFISH_BLOCK_SIZE);
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blowfish_decrypt(c3, enc_buf, &key);
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pass = pass && !memcmp(p3, enc_buf, BLOWFISH_BLOCK_SIZE);
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return(pass);
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}
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int main()
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{
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printf("Blowfish tests: %s\n", blowfish_test() ? "SUCCEEDED" : "FAILED");
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return(0);
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}
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