1/* 2 * Copyright (c) 2006-2008,2010 Apple Inc. All Rights Reserved. 3 */ 4 5#include <Security/vmdh.h> 6#include <Security/SecBase64.h> 7#include <stdlib.h> 8#include <unistd.h> 9 10#include <corecrypto/ccdh.h> 11 12#include "Security_regressions.h" 13 14#if 0 15#include <openssl/dh.h> 16#endif 17 18/* How to reach in the internals of SecDH/vmdh struct */ 19static inline ccdh_gp_t vmdh_gp(struct vmdh *dh) 20{ 21 void *p = dh; 22 ccdh_gp_t gp = { .gp = p }; 23 return gp; 24} 25 26static inline ccdh_full_ctx_t vmdh_priv(struct vmdh *dh) 27{ 28 void *p = dh; 29 cczp_t zp = { .u = p }; 30 cc_size s = ccn_sizeof_n(cczp_n(zp)); 31 ccdh_full_ctx_t priv = { .hdr = (struct ccdh_ctx_header *)(p+ccdh_gp_size(s)) }; 32 return priv; 33} 34 35static uint32_t param_g = 5; 36 37static const uint8_t param_p[] = { 38 0xD7, 0x48, 0x26, 0xCE, 0x1B, 0x1E, 0x26, 0xEE, 39 0x2B, 0x03, 0xAA, 0xAF, 0x3E, 0x1A, 0x82, 0x39, 40 0x43, 0x2E, 0xB4, 0x36, 0x71, 0xF7, 0x5A, 0x6B, 41 0x62, 0x8D, 0x40, 0xFC, 0x39, 0xB8, 0x85, 0xB5, 42 0xA2, 0x50, 0x56, 0xE3, 0xCB, 0xF1, 0xE4, 0xFE, 43 0xA8, 0x64, 0x63, 0xA0, 0x6F, 0x19, 0xF4, 0xB0, 44 0x12, 0x11, 0x82, 0x02, 0xBB, 0xBD, 0xFF, 0xA5, 45 0x8C, 0xED, 0xBF, 0xBE, 0xF0, 0xF6, 0x18, 0xDB, 46}; 47 48static const uint8_t client_priv[] = { 49 0x48, 0x52, 0x51, 0x7B, 0x04, 0xF6, 0x8B, 0xF4, 50 0x25, 0x9D, 0x08, 0x9F, 0x22, 0xB2, 0xDC, 0x6D, 51 0x84, 0x36, 0x1B, 0xBB, 0xC9, 0xEE, 0x91, 0x2F, 52 0x24, 0xFD, 0xF5, 0xEF, 0xC4, 0x8B, 0xAB, 0x39, 53 0x77, 0xE5, 0x6B, 0x31, 0x82, 0x96, 0x3C, 0x6E, 54 0xDC, 0x0A, 0x40, 0x39, 0x8F, 0xF3, 0x4A, 0x63, 55 0x00, 0x39, 0x8C, 0x52, 0x01, 0xB9, 0x48, 0xF4, 56 0xB1, 0xD2, 0x3B, 0x24, 0xF3, 0x30, 0x0B, 0x61, 57}; 58 59static const uint8_t client_pub[] = { 60 0x73, 0x00, 0x67, 0x2E, 0x71, 0x38, 0x55, 0x6A, 61 0x9C, 0xA4, 0x1E, 0x7A, 0x53, 0x3A, 0x22, 0xD8, 62 0xF0, 0x37, 0xBD, 0x57, 0x9F, 0x4A, 0xD1, 0xD1, 63 0x16, 0x2F, 0x23, 0xB7, 0x3C, 0xBC, 0x15, 0x6A, 64 0x1D, 0x38, 0xE2, 0x2D, 0x4E, 0xCB, 0x8E, 0x9C, 65 0xFE, 0x86, 0x2A, 0xCA, 0xA5, 0xA6, 0xE6, 0x4E, 66 0x67, 0x2A, 0x0C, 0x37, 0x06, 0x95, 0x5B, 0xF5, 67 0xA8, 0x69, 0xBE, 0x72, 0x54, 0x0C, 0x63, 0xDD, 68}; 69 70static const uint8_t server_priv[] = { 71 0x7A, 0x20, 0x70, 0x42, 0xF2, 0x19, 0x0F, 0x54, 72 0xA4, 0xD6, 0x45, 0x85, 0xFF, 0xE3, 0x4F, 0x95, 73 0x77, 0x4E, 0x05, 0xA9, 0xCF, 0x60, 0xFA, 0x54, 74 0xEC, 0xBC, 0x8B, 0x67, 0xFD, 0x59, 0x12, 0xEF, 75 0xC0, 0xD3, 0x75, 0x66, 0x3F, 0xE4, 0x50, 0x97, 76 0x94, 0x12, 0xB4, 0xE3, 0xB2, 0x5E, 0x69, 0x90, 77 0x18, 0x56, 0xAF, 0x50, 0x2D, 0xB9, 0xC9, 0x11, 78 0x8B, 0xF7, 0x75, 0x70, 0xDF, 0x16, 0xCB, 0x8F, 79}; 80 81static const uint8_t server_pub[] = { 82 0x36, 0x21, 0x01, 0x4B, 0x8C, 0xD4, 0xFD, 0xA3, 83 0xBA, 0x12, 0x7B, 0xD7, 0x48, 0x83, 0x74, 0x09, 84 0x74, 0x46, 0xAA, 0xE0, 0x22, 0x1B, 0x2F, 0x25, 85 0xE7, 0x25, 0x25, 0x4B, 0x7E, 0xAE, 0xEA, 0x30, 86 0xE0, 0xFD, 0xC8, 0x5A, 0xD5, 0xD2, 0x9C, 0x54, 87 0xCE, 0x0E, 0x8A, 0xB1, 0x16, 0xD8, 0xA3, 0xFA, 88 0xD9, 0x85, 0xA8, 0x42, 0x4E, 0xF5, 0x77, 0x9F, 89 0x2D, 0xAB, 0x4C, 0xE2, 0x1C, 0xE7, 0xCE, 0xD9, 90}; 91 92static const uint8_t pw[] = { 93 0x31, 0x32, 0x33, 0x34 94}; 95 96/* base64 would be: 97rHWs3KX/1ubFTzfim+9mLw== 98*/ 99static const uint8_t pw_encr[] = { 100 0xac, 0x75, 0xac, 0xdc, 0xa5, 0xff, 0xd6, 0xe6, 101 0xc5, 0x4f, 0x37, 0xe2, 0x9b, 0xef, 0x66, 0x2f 102}; 103 104#if 0 105static void hexdump(const uint8_t *bytes, size_t len) { 106 size_t ix; 107 for (ix = 0; ix < len; ++ix) { 108 printf("%02X", bytes[ix]); 109 } 110 printf("\n"); 111} 112#endif 113 114/* Test basic add delete update copy matching stuff. */ 115static void tests(void) 116{ 117 vmdh_t vmdh; 118 ok((vmdh = vmdh_create(param_g, param_p, sizeof(param_p), 119 NULL, 0)), "vmdh_create"); 120 121 /* No SecDH API to import a private key, so we have to reach inside the opaque struct */ 122 ccdh_gp_t gp = vmdh_gp(vmdh); 123 ccdh_full_ctx_t priv = vmdh_priv(vmdh); 124 ok_status(ccdh_import_priv(gp, sizeof(client_priv), client_priv, priv), "Import private DH key"); 125 126 uint8_t encpw[vmdh_encpw_len(sizeof(pw))]; 127 size_t encpw_len = sizeof(encpw); 128 129 ok(vmdh_encrypt_password(vmdh, server_pub, sizeof(server_pub), 130 pw, sizeof(pw), encpw, &encpw_len), "vmdh_encrypt_password"); 131 vmdh_destroy(vmdh); 132 133 is(encpw_len, sizeof(pw_encr), "check ciphertext size"); 134 ok(!memcmp(encpw, pw_encr, sizeof(pw_encr)), "does ciphertext match?"); 135 136#if 0 137 hexdump(encpw, encpw_len); 138 hexdump(pw_encr, sizeof(pw_encr)); 139 140 DH *dh = DH_new(); 141 dh->p = BN_bin2bn(param_p, sizeof(param_p), BN_new()); 142 BN_hex2bn(&dh->g, "05"); 143 dh->pub_key = BN_bin2bn(client_pub, sizeof(client_pub), BN_new()); 144 dh->priv_key = BN_bin2bn(client_priv, sizeof(client_priv), BN_new()); 145 BIGNUM *bn_server_pub = BN_bin2bn(server_pub, sizeof(server_pub), BN_new()); 146 unsigned char key[1024]; 147 DH_compute_key(key, bn_server_pub, dh); 148 printf("shared secret:\n"); 149 hexdump(key, 16); 150#endif 151} 152 153int vmdh_41_example(int argc, char *const *argv) 154{ 155 plan_tests(5); 156 157 tests(); 158 159 return 0; 160} 161