1 /*- 2 * Copyright (c) 2008 Damien Bergamini <damien.bergamini@free.fr> 3 * 4 * Permission to use, copy, modify, and distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #include <string.h> 18 #include <stdio.h> 19 #include <crypto/aes.h> 20 #include <crypto/key_wrap.h> 21 22 static void 23 print_hex(const char *str, unsigned char *buf, int len) 24 { 25 int i; 26 27 printf("%s", str); 28 for (i = 0; i < len; i++) { 29 if ((i % 8) == 0) 30 printf(" "); 31 printf("%02X", buf[i]); 32 } 33 printf("\n"); 34 } 35 36 static void 37 do_test(u_int kek_len, u_int data_len) 38 { 39 aes_key_wrap_ctx ctx; 40 u_int8_t kek[32], data[32]; 41 u_int8_t output[64]; 42 u_int i; 43 44 for (i = 0; i < kek_len; i++) 45 kek[i] = i; 46 printf("Input:\n"); 47 print_hex("KEK:\n ", kek, kek_len); 48 for (i = 0; i < 16; i++) 49 data[i] = i * 16 + i; 50 for (; i < data_len; i++) 51 data[i] = i - 16; 52 print_hex("Key Data:\n ", data, data_len); 53 aes_key_wrap_set_key(&ctx, kek, kek_len); 54 aes_key_wrap(&ctx, data, data_len / 8, output); 55 print_hex("Ciphertext:\n ", output, data_len + 8); 56 aes_key_unwrap(&ctx, output, output, data_len / 8); 57 printf("Output:\n"); 58 print_hex("Key Data:\n ", output, data_len); 59 printf("====\n"); 60 } 61 62 int 63 main(void) 64 { 65 do_test(16, 16); 66 do_test(24, 16); 67 do_test(32, 16); 68 do_test(24, 24); 69 do_test(32, 24); 70 do_test(32, 32); 71 72 return 0; 73 } 74 75 void 76 explicit_bzero(void *b, size_t len) 77 { 78 bzero(b, len); 79 } 80