1 /* 2 * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <stdio.h> 11 #include <string.h> 12 #include <stdlib.h> 13 14 #include <openssl/opensslconf.h> /* To see if OPENSSL_NO_CAST is defined */ 15 #include "internal/nelem.h" 16 #include "testutil.h" 17 18 #ifndef OPENSSL_NO_CAST 19 # include <openssl/cast.h> 20 21 static unsigned char k[16] = { 22 0x01, 0x23, 0x45, 0x67, 0x12, 0x34, 0x56, 0x78, 23 0x23, 0x45, 0x67, 0x89, 0x34, 0x56, 0x78, 0x9A 24 }; 25 26 static unsigned char in[8] = 27 { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF }; 28 29 static int k_len[3] = { 16, 10, 5 }; 30 31 static unsigned char c[3][8] = { 32 {0x23, 0x8B, 0x4F, 0xE5, 0x84, 0x7E, 0x44, 0xB2}, 33 {0xEB, 0x6A, 0x71, 0x1A, 0x2C, 0x02, 0x27, 0x1B}, 34 {0x7A, 0xC8, 0x16, 0xD1, 0x6E, 0x9B, 0x30, 0x2E}, 35 }; 36 37 static unsigned char in_a[16] = { 38 0x01, 0x23, 0x45, 0x67, 0x12, 0x34, 0x56, 0x78, 39 0x23, 0x45, 0x67, 0x89, 0x34, 0x56, 0x78, 0x9A 40 }; 41 42 static unsigned char in_b[16] = { 43 0x01, 0x23, 0x45, 0x67, 0x12, 0x34, 0x56, 0x78, 44 0x23, 0x45, 0x67, 0x89, 0x34, 0x56, 0x78, 0x9A 45 }; 46 47 static unsigned char c_a[16] = { 48 0xEE, 0xA9, 0xD0, 0xA2, 0x49, 0xFD, 0x3B, 0xA6, 49 0xB3, 0x43, 0x6F, 0xB8, 0x9D, 0x6D, 0xCA, 0x92 50 }; 51 52 static unsigned char c_b[16] = { 53 0xB2, 0xC9, 0x5E, 0xB0, 0x0C, 0x31, 0xAD, 0x71, 54 0x80, 0xAC, 0x05, 0xB8, 0xE8, 0x3D, 0x69, 0x6E 55 }; 56 57 static int cast_test_vector(int z) 58 { 59 int testresult = 1; 60 CAST_KEY key; 61 unsigned char out[80]; 62 63 CAST_set_key(&key, k_len[z], k); 64 CAST_ecb_encrypt(in, out, &key, CAST_ENCRYPT); 65 if (!TEST_mem_eq(out, sizeof(c[z]), c[z], sizeof(c[z]))) { 66 TEST_info("CAST_ENCRYPT iteration %d failed (len=%d)", z, k_len[z]); 67 testresult = 0; 68 } 69 70 CAST_ecb_encrypt(out, out, &key, CAST_DECRYPT); 71 if (!TEST_mem_eq(out, sizeof(in), in, sizeof(in))) { 72 TEST_info("CAST_DECRYPT iteration %d failed (len=%d)", z, k_len[z]); 73 testresult = 0; 74 } 75 return testresult; 76 } 77 78 static int cast_test_iterations(void) 79 { 80 long l; 81 int testresult = 1; 82 CAST_KEY key, key_b; 83 unsigned char out_a[16], out_b[16]; 84 85 memcpy(out_a, in_a, sizeof(in_a)); 86 memcpy(out_b, in_b, sizeof(in_b)); 87 88 for (l = 0; l < 1000000L; l++) { 89 CAST_set_key(&key_b, 16, out_b); 90 CAST_ecb_encrypt(&(out_a[0]), &(out_a[0]), &key_b, CAST_ENCRYPT); 91 CAST_ecb_encrypt(&(out_a[8]), &(out_a[8]), &key_b, CAST_ENCRYPT); 92 CAST_set_key(&key, 16, out_a); 93 CAST_ecb_encrypt(&(out_b[0]), &(out_b[0]), &key, CAST_ENCRYPT); 94 CAST_ecb_encrypt(&(out_b[8]), &(out_b[8]), &key, CAST_ENCRYPT); 95 } 96 97 if (!TEST_mem_eq(out_a, sizeof(c_a), c_a, sizeof(c_a)) 98 || !TEST_mem_eq(out_b, sizeof(c_b), c_b, sizeof(c_b))) 99 testresult = 0; 100 101 return testresult; 102 } 103 #endif 104 105 int setup_tests(void) 106 { 107 #ifndef OPENSSL_NO_CAST 108 ADD_ALL_TESTS(cast_test_vector, OSSL_NELEM(k_len)); 109 ADD_TEST(cast_test_iterations); 110 #endif 111 return 1; 112 } 113