/* * crypto module tests * Copyright (c) 2014-2015, Jouni Malinen * * This software may be distributed under the terms of the BSD license. * See README for more details. */ #include "utils/includes.h" #include "utils/common.h" #include "crypto/aes_siv.h" #include "crypto/aes.h" static int test_siv(void) { #ifdef CONFIG_MESH /* RFC 5297, A.1. Deterministic Authenticated Encryption Example */ u8 key[] = { 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8, 0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }; u8 ad[] = { 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27 }; u8 plaintext[] = { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee }; u8 iv_c[] = { 0x85, 0x63, 0x2d, 0x07, 0xc6, 0xe8, 0xf3, 0x7f, 0x95, 0x0a, 0xcd, 0x32, 0x0a, 0x2e, 0xcc, 0x93, 0x40, 0xc0, 0x2b, 0x96, 0x90, 0xc4, 0xdc, 0x04, 0xda, 0xef, 0x7f, 0x6a, 0xfe, 0x5c }; /* RFC 5297, A.2. Nonce-Based Authenticated Encryption Example */ u8 key_2[] = { 0x7f, 0x7e, 0x7d, 0x7c, 0x7b, 0x7a, 0x79, 0x78, 0x77, 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x70, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f }; u8 ad1_2[] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0xde, 0xad, 0xda, 0xda, 0xde, 0xad, 0xda, 0xda, 0xff, 0xee, 0xdd, 0xcc, 0xbb, 0xaa, 0x99, 0x88, 0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11, 0x00 }; u8 ad2_2[] = { 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70, 0x80, 0x90, 0xa0 }; u8 nonce_2[] = { 0x09, 0xf9, 0x11, 0x02, 0x9d, 0x74, 0xe3, 0x5b, 0xd8, 0x41, 0x56, 0xc5, 0x63, 0x56, 0x88, 0xc0 }; u8 plaintext_2[] = { 0x74, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x73, 0x6f, 0x6d, 0x65, 0x20, 0x70, 0x6c, 0x61, 0x69, 0x6e, 0x74, 0x65, 0x78, 0x74, 0x20, 0x74, 0x6f, 0x20, 0x65, 0x6e, 0x63, 0x72, 0x79, 0x70, 0x74, 0x20, 0x75, 0x73, 0x69, 0x6e, 0x67, 0x20, 0x53, 0x49, 0x56, 0x2d, 0x41, 0x45, 0x53 }; u8 iv_c_2[] = { 0x7b, 0xdb, 0x6e, 0x3b, 0x43, 0x26, 0x67, 0xeb, 0x06, 0xf4, 0xd1, 0x4b, 0xff, 0x2f, 0xbd, 0x0f, 0xcb, 0x90, 0x0f, 0x2f, 0xdd, 0xbe, 0x40, 0x43, 0x26, 0x60, 0x19, 0x65, 0xc8, 0x89, 0xbf, 0x17, 0xdb, 0xa7, 0x7c, 0xeb, 0x09, 0x4f, 0xa6, 0x63, 0xb7, 0xa3, 0xf7, 0x48, 0xba, 0x8a, 0xf8, 0x29, 0xea, 0x64, 0xad, 0x54, 0x4a, 0x27, 0x2e, 0x9c, 0x48, 0x5b, 0x62, 0xa3, 0xfd, 0x5c, 0x0d }; u8 out[2 * AES_BLOCK_SIZE + sizeof(plaintext_2)]; const u8 *addr[3]; size_t len[3]; /* RFC 5297, A.1. Deterministic Authenticated Encryption Example */ addr[0] = ad; len[0] = sizeof(ad); if (aes_siv_encrypt(key, plaintext, sizeof(plaintext), 1, addr, len, out)) { wpa_printf(MSG_ERROR, "AES-SIV mode encryption failed"); return 1; } if (os_memcmp(out, iv_c, sizeof(iv_c)) != 0) { wpa_printf(MSG_ERROR, "AES-SIV mode encryption returned invalid cipher text"); return 1; } if (aes_siv_decrypt(key, iv_c, sizeof(iv_c), 1, addr, len, out)) { wpa_printf(MSG_ERROR, "AES-SIV mode decryption failed"); return 1; } if (os_memcmp(out, plaintext, sizeof(plaintext)) != 0) { wpa_printf(MSG_ERROR, "AES-SIV mode decryption returned invalid plain text"); return 1; } /* RFC 5297, A.2. Nonce-Based Authenticated Encryption Example */ addr[0] = ad1_2; len[0] = sizeof(ad1_2); addr[1] = ad2_2; len[1] = sizeof(ad2_2); addr[2] = nonce_2; len[2] = sizeof(nonce_2); if (aes_siv_encrypt(key_2, plaintext_2, sizeof(plaintext_2), 3, addr, len, out)) { wpa_printf(MSG_ERROR, "AES-SIV mode encryption failed"); return 1; } if (os_memcmp(out, iv_c_2, sizeof(iv_c_2)) != 0) { wpa_printf(MSG_ERROR, "AES-SIV mode encryption returned invalid cipher text"); return 1; } if (aes_siv_decrypt(key_2, iv_c_2, sizeof(iv_c_2), 3, addr, len, out)) { wpa_printf(MSG_ERROR, "AES-SIV mode decryption failed"); return 1; } if (os_memcmp(out, plaintext_2, sizeof(plaintext_2)) != 0) { wpa_printf(MSG_ERROR, "AES-SIV mode decryption returned invalid plain text"); return 1; } wpa_printf(MSG_INFO, "AES-SIV test cases passed"); #endif /* CONFIG_MESH */ return 0; } int crypto_module_tests(void) { int ret = 0; wpa_printf(MSG_INFO, "crypto module tests"); if (test_siv()) ret = -1; return ret; }