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1 | /********************************************************************* |
2 | * Filename: md2_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 MD2 |
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 <string.h> |
17 | #include <memory.h> |
18 | #include "md2.h" |
19 | |
20 | /*********************** FUNCTION DEFINITIONS ***********************/ |
21 | int md2_test() |
22 | { |
23 | BYTE text1[] = {"abc"}; |
24 | BYTE text2[] = {"abcdefghijklmnopqrstuvwxyz"}; |
25 | BYTE text3_1[] = {"ABCDEFGHIJKLMNOPQRSTUVWXYZabcde"}; |
26 | BYTE text3_2[] = {"fghijklmnopqrstuvwxyz0123456789"}; |
27 | BYTE hash1[MD2_BLOCK_SIZE] = {0xda,0x85,0x3b,0x0d,0x3f,0x88,0xd9,0x9b,0x30,0x28,0x3a,0x69,0xe6,0xde,0xd6,0xbb}; |
28 | BYTE hash2[MD2_BLOCK_SIZE] = {0x4e,0x8d,0xdf,0xf3,0x65,0x02,0x92,0xab,0x5a,0x41,0x08,0xc3,0xaa,0x47,0x94,0x0b}; |
29 | BYTE hash3[MD2_BLOCK_SIZE] = {0xda,0x33,0xde,0xf2,0xa4,0x2d,0xf1,0x39,0x75,0x35,0x28,0x46,0xc3,0x03,0x38,0xcd}; |
30 | BYTE buf[16]; |
31 | MD2_CTX ctx; |
32 | int pass = 1; |
33 | |
34 | md2_init(&ctx); |
35 | md2_update(&ctx, text1, strlen(text1)); |
36 | md2_final(&ctx, buf); |
37 | pass = pass && !memcmp(hash1, buf, MD2_BLOCK_SIZE); |
38 | |
39 | // Note that the MD2 object can be re-used. |
40 | md2_init(&ctx); |
41 | md2_update(&ctx, text2, strlen(text2)); |
42 | md2_final(&ctx, buf); |
43 | pass = pass && !memcmp(hash2, buf, MD2_BLOCK_SIZE); |
44 | |
45 | // Note that the data is added in two chunks. |
46 | md2_init(&ctx); |
47 | md2_update(&ctx, text3_1, strlen(text3_1)); |
48 | md2_update(&ctx, text3_2, strlen(text3_2)); |
49 | md2_final(&ctx, buf); |
50 | pass = pass && !memcmp(hash3, buf, MD2_BLOCK_SIZE); |
51 | |
52 | return(pass); |
53 | } |
54 | |
55 | int main() |
56 | { |
57 | printf("MD2 tests: %s\n", md2_test() ? "SUCCEEDED" : "FAILED"); |
58 | } |