| 1 | /********************************************************************* |
| 2 | * Filename: md5_test.c |
| 3 | * Author: Brad Conte (brad AT bradconte.com) |
| 4 | * Copyright: |
| 5 | * Disclaimer: This code is presented "as is" without any guarantees. |
| 6 | * Details: Performs known-answer tests on the corresponding MD5 |
| 7 | implementation. These tests do not encompass the full |
| 8 | range of available test vectors, however, if the tests |
| 9 | pass it is very, very likely that the code is correct |
| 10 | and was compiled properly. This code also serves as |
| 11 | example usage of the functions. |
| 12 | *********************************************************************/ |
| 13 | |
| 14 | /*************************** HEADER FILES ***************************/ |
| 15 | #include <stdio.h> |
| 16 | #include <memory.h> |
| 17 | #include <string.h> |
| 18 | #include "md5.h" |
| 19 | |
| 20 | /*********************** FUNCTION DEFINITIONS ***********************/ |
| 21 | int md5_test() |
| 22 | { |
| 23 | BYTE text1[] = {""}; |
| 24 | BYTE text2[] = {"abc"}; |
| 25 | BYTE text3_1[] = {"ABCDEFGHIJKLMNOPQRSTUVWXYZabcde"}; |
| 26 | BYTE text3_2[] = {"fghijklmnopqrstuvwxyz0123456789"}; |
| 27 | BYTE hash1[MD5_BLOCK_SIZE] = {0xd4,0x1d,0x8c,0xd9,0x8f,0x00,0xb2,0x04,0xe9,0x80,0x09,0x98,0xec,0xf8,0x42,0x7e}; |
| 28 | BYTE hash2[MD5_BLOCK_SIZE] = {0x90,0x01,0x50,0x98,0x3c,0xd2,0x4f,0xb0,0xd6,0x96,0x3f,0x7d,0x28,0xe1,0x7f,0x72}; |
| 29 | BYTE hash3[MD5_BLOCK_SIZE] = {0xd1,0x74,0xab,0x98,0xd2,0x77,0xd9,0xf5,0xa5,0x61,0x1c,0x2c,0x9f,0x41,0x9d,0x9f}; |
| 30 | BYTE buf[16]; |
| 31 | MD5_CTX ctx; |
| 32 | int pass = 1; |
| 33 | |
| 34 | md5_init(&ctx); |
| 35 | md5_update(&ctx, text1, strlen(text1)); |
| 36 | md5_final(&ctx, buf); |
| 37 | pass = pass && !memcmp(hash1, buf, MD5_BLOCK_SIZE); |
| 38 | |
| 39 | // Note the MD5 object can be reused. |
| 40 | md5_init(&ctx); |
| 41 | md5_update(&ctx, text2, strlen(text2)); |
| 42 | md5_final(&ctx, buf); |
| 43 | pass = pass && !memcmp(hash2, buf, MD5_BLOCK_SIZE); |
| 44 | |
| 45 | // Note the data is being added in two chunks. |
| 46 | md5_init(&ctx); |
| 47 | md5_update(&ctx, text3_1, strlen(text3_1)); |
| 48 | md5_update(&ctx, text3_2, strlen(text3_2)); |
| 49 | md5_final(&ctx, buf); |
| 50 | pass = pass && !memcmp(hash3, buf, MD5_BLOCK_SIZE); |
| 51 | |
| 52 | return(pass); |
| 53 | } |
| 54 | |
| 55 | int main() |
| 56 | { |
| 57 | printf("MD5 tests: %s\n", md5_test() ? "SUCCEEDED" : "FAILED"); |
| 58 | |
| 59 | return(0); |
| 60 | } |