1 /* 2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (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 /* 11 * RC4 and SHA-1 low level APIs are deprecated for public use, but still ok for 12 * internal use. 13 */ 14 #include "internal/deprecated.h" 15 16 #include <string.h> 17 18 #include "internal/nelem.h" 19 #include "testutil.h" 20 21 #ifndef OPENSSL_NO_RC4 22 # include <openssl/rc4.h> 23 # include <openssl/sha.h> 24 25 static unsigned char keys[6][30] = { 26 {8, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, 27 {8, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, 28 {8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, 29 {4, 0xef, 0x01, 0x23, 0x45}, 30 {8, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, 31 {4, 0xef, 0x01, 0x23, 0x45}, 32 }; 33 34 static unsigned char data_len[6] = { 8, 8, 8, 20, 28, 10 }; 35 36 static unsigned char data[6][30] = { 37 {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xff}, 38 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff}, 39 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff}, 40 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 41 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 42 0x00, 0x00, 0x00, 0x00, 0xff}, 43 {0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0, 44 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0, 45 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0, 46 0x12, 0x34, 0x56, 0x78, 0xff}, 47 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff}, 48 }; 49 50 static unsigned char output[6][30] = { 51 {0x75, 0xb7, 0x87, 0x80, 0x99, 0xe0, 0xc5, 0x96, 0x00}, 52 {0x74, 0x94, 0xc2, 0xe7, 0x10, 0x4b, 0x08, 0x79, 0x00}, 53 {0xde, 0x18, 0x89, 0x41, 0xa3, 0x37, 0x5d, 0x3a, 0x00}, 54 {0xd6, 0xa1, 0x41, 0xa7, 0xec, 0x3c, 0x38, 0xdf, 55 0xbd, 0x61, 0x5a, 0x11, 0x62, 0xe1, 0xc7, 0xba, 56 0x36, 0xb6, 0x78, 0x58, 0x00}, 57 {0x66, 0xa0, 0x94, 0x9f, 0x8a, 0xf7, 0xd6, 0x89, 58 0x1f, 0x7f, 0x83, 0x2b, 0xa8, 0x33, 0xc0, 0x0c, 59 0x89, 0x2e, 0xbe, 0x30, 0x14, 0x3c, 0xe2, 0x87, 60 0x40, 0x01, 0x1e, 0xcf, 0x00}, 61 {0xd6, 0xa1, 0x41, 0xa7, 0xec, 0x3c, 0x38, 0xdf, 0xbd, 0x61, 0x00}, 62 }; 63 64 static int test_rc4_encrypt(const int i) 65 { 66 unsigned char obuf[512]; 67 RC4_KEY key; 68 69 RC4_set_key(&key, keys[i][0], &(keys[i][1])); 70 memset(obuf, 0, sizeof(obuf)); 71 RC4(&key, data_len[i], &(data[i][0]), obuf); 72 return TEST_mem_eq(obuf, data_len[i] + 1, output[i], data_len[i] + 1); 73 } 74 75 static int test_rc4_end_processing(const int i) 76 { 77 unsigned char obuf[512]; 78 RC4_KEY key; 79 80 RC4_set_key(&key, keys[3][0], &(keys[3][1])); 81 memset(obuf, 0, sizeof(obuf)); 82 RC4(&key, i, &(data[3][0]), obuf); 83 if (!TEST_mem_eq(obuf, i, output[3], i)) 84 return 0; 85 return TEST_uchar_eq(obuf[i], 0); 86 } 87 88 static int test_rc4_multi_call(const int i) 89 { 90 unsigned char obuf[512]; 91 RC4_KEY key; 92 93 RC4_set_key(&key, keys[3][0], &(keys[3][1])); 94 memset(obuf, 0, sizeof(obuf)); 95 RC4(&key, i, &(data[3][0]), obuf); 96 RC4(&key, data_len[3] - i, &(data[3][i]), &(obuf[i])); 97 return TEST_mem_eq(obuf, data_len[3] + 1, output[3], data_len[3] + 1); 98 } 99 100 static int test_rc_bulk(void) 101 { 102 RC4_KEY key; 103 unsigned char buf[513]; 104 SHA_CTX c; 105 unsigned char md[SHA_DIGEST_LENGTH]; 106 int i; 107 static unsigned char expected[] = { 108 0xa4, 0x7b, 0xcc, 0x00, 0x3d, 0xd0, 0xbd, 0xe1, 0xac, 0x5f, 109 0x12, 0x1e, 0x45, 0xbc, 0xfb, 0x1a, 0xa1, 0xf2, 0x7f, 0xc5 110 }; 111 112 RC4_set_key(&key, keys[0][0], &(keys[3][1])); 113 memset(buf, 0, sizeof(buf)); 114 SHA1_Init(&c); 115 for (i = 0; i < 2571; i++) { 116 RC4(&key, sizeof(buf), buf, buf); 117 SHA1_Update(&c, buf, sizeof(buf)); 118 } 119 SHA1_Final(md, &c); 120 121 return TEST_mem_eq(md, sizeof(md), expected, sizeof(expected)); 122 } 123 #endif 124 125 int setup_tests(void) 126 { 127 #ifndef OPENSSL_NO_RC4 128 ADD_ALL_TESTS(test_rc4_encrypt, OSSL_NELEM(data_len)); 129 ADD_ALL_TESTS(test_rc4_end_processing, data_len[3]); 130 ADD_ALL_TESTS(test_rc4_multi_call, data_len[3]); 131 ADD_TEST(test_rc_bulk); 132 #endif 133 return 1; 134 } 135