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 0xED, 0x42, 0x06, 0xE1, 0xDD, 0x09, 0x93, 0xA6, 39 0x81, 0xAE, 0x00, 0x0D, 0xBF, 0x84, 0x7F, 0x7D, 40 0x87, 0x64, 0x6B, 0x77, 0x24, 0x03, 0xB8, 0xC0, 41 0xDC, 0xBE, 0x5B, 0x9C, 0x8E, 0x71, 0x09, 0x24, 42 0x53, 0x77, 0x7F, 0x5D, 0x1A, 0xAD, 0x92, 0xD8, 43 0xFE, 0xCD, 0x5C, 0xB4, 0xCA, 0x09, 0x17, 0x11, 44 0xF3, 0x82, 0x01, 0x39, 0x4A, 0x09, 0xBA, 0x29, 45 0x95, 0x2B, 0xC4, 0xCC, 0x56, 0x21, 0x97, 0x13 46}; 47 48static const uint8_t client_priv[] = { 49 0x32, 0x34, 0x73, 0x16, 0x7d, 0x79, 0xde, 0x47, 50 0x22, 0x93, 0xf5, 0x86, 0x47, 0xf6, 0x7f, 0x7a, 51 0xb6, 0x30, 0x16, 0x5b, 0xbf, 0xe1, 0x36, 0x0b, 52 0xb4, 0xd2, 0x84, 0x3e, 0x57, 0x5f, 0xcb, 0xc6, 53 0x6a, 0xae, 0x5d, 0x59, 0x4b, 0x70, 0x53, 0x22, 54 0xb0, 0x51, 0x89, 0x30, 0x74, 0xfc, 0x95, 0x51, 55 0x9c, 0xc9, 0xf7, 0xac, 0x8c, 0x37, 0xfd, 0xc1, 56 0x0e, 0x02, 0x6e, 0x69, 0x6c, 0xca, 0x2a, 0x95 57}; 58 59static const uint8_t client_pub[] = { 60 0x15, 0xDF, 0x17, 0x6E, 0xB4, 0x95, 0xA7, 0x92, 61 0x41, 0xB6, 0xF1, 0x93, 0x19, 0xDB, 0x34, 0xF1, 62 0xE0, 0x0D, 0x62, 0xCD, 0x55, 0xC7, 0x0B, 0x27, 63 0xB7, 0x53, 0x1A, 0x28, 0x65, 0x11, 0xF0, 0xF6, 64 0xA6, 0xE1, 0x5B, 0x86, 0x1D, 0x67, 0x85, 0x19, 65 0x6D, 0xD6, 0x80, 0xFF, 0x5C, 0xEB, 0xC3, 0x2D, 66 0xC3, 0xCB, 0xD2, 0xD4, 0x66, 0x93, 0xF4, 0xFC, 67 0xF1, 0xF4, 0x8B, 0x61, 0x0F, 0x02, 0xF5, 0x19 68}; 69 70static const uint8_t server_pub[] = { 71 0x73, 0xC5, 0xF8, 0xF8, 0xB8, 0x9C, 0xB0, 0x5F, 72 0xD6, 0xC6, 0x49, 0x5C, 0x70, 0xF5, 0x90, 0xB3, 73 0x8A, 0xD3, 0xD0, 0x12, 0x99, 0x47, 0x60, 0xC2, 74 0x5B, 0xF7, 0x18, 0x3A, 0x19, 0xF5, 0x01, 0xA3, 75 0x67, 0xBF, 0x57, 0x28, 0x7E, 0x99, 0xA8, 0xDB, 76 0x97, 0xA4, 0xAF, 0xF2, 0x68, 0x47, 0xAB, 0x48, 77 0xE3, 0x4D, 0xF2, 0x94, 0xB4, 0xCC, 0xFC, 0x0C, 78 0x50, 0xAD, 0xEF, 0x2E, 0x80, 0xA6, 0x20, 0x29 79}; 80 81static const uint8_t pw[] = { 82 0x31, 0x32, 0x33, 0x34 83}; 84 85static const uint8_t pw_encr[] = { 86 0x42, 0xd7, 0xa1, 0x08, 0x15, 0x8f, 0xdd, 0xc8, 87 0xe8, 0x75, 0xea, 0xa2, 0xc2, 0x20, 0x28, 0xfa 88}; 89 90#if 0 91static void hexdump(const uint8_t *bytes, size_t len) { 92 size_t ix; 93 for (ix = 0; ix < len; ++ix) { 94 printf("%02X", bytes[ix]); 95 } 96 printf("\n"); 97} 98#endif 99 100static void tests(void) 101{ 102 vmdh_t vmdh; 103 ok((vmdh = vmdh_create(param_g, param_p, sizeof(param_p), 104 NULL, 0)), "vmdh_create"); 105 106 /* No SecDH API to import a private key, so we have to reach inside the opaque struct */ 107 ccdh_gp_t gp = vmdh_gp(vmdh); 108 ccdh_full_ctx_t priv = vmdh_priv(vmdh); 109 110 ok_status(ccdh_import_priv(gp, sizeof(client_priv), client_priv, priv), "Import DH private key"); 111 112 uint8_t encpw[vmdh_encpw_len(sizeof(pw))]; 113 size_t encpw_len = sizeof(encpw); 114 115 ok(vmdh_encrypt_password(vmdh, server_pub, sizeof(server_pub), 116 pw, sizeof(pw), encpw, &encpw_len), "vmdh_encrypt_password"); 117 vmdh_destroy(vmdh); 118 119 is(encpw_len, sizeof(pw_encr), "check ciphertext size"); 120 ok(!memcmp(encpw, pw_encr, sizeof(pw_encr)), "does ciphertext match?"); 121 122#if 0 123 hexdump(encpw, encpw_len); 124 hexdump(pw_encr, sizeof(pw_encr)); 125 126 DH *dh = DH_new(); 127 dh->p = BN_bin2bn(param_p, sizeof(param_p), BN_new()); 128 BN_hex2bn(&dh->g, "05"); 129 dh->pub_key = BN_bin2bn(client_pub, sizeof(client_pub), BN_new()); 130 dh->priv_key = BN_bin2bn(client_priv, sizeof(client_priv), BN_new()); 131 BIGNUM *bn_server_pub = BN_bin2bn(server_pub, sizeof(server_pub), BN_new()); 132 unsigned char key[1024]; 133 DH_compute_key(key, bn_server_pub, dh); 134 printf("shared secret:\n"); 135 hexdump(key, 16); 136#endif 137} 138 139int vmdh_42_example2(int argc, char *const *argv) 140{ 141 plan_tests(5); 142 143 tests(); 144 145 return 0; 146} 147