OSX/sec/Security/Regressions/vmdh/vmdh-42-example2.c

   1 /*
   2  * Copyright (c) 2006-2008,2010,2012,2014 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 */
  19 static inline ccdh_gp_t vmdh_gp(struct vmdh *dh)
  20 {
  21     ccdh_gp_t gp;
  22     gp.gp  = (ccdh_gp *)dh;
  23     return gp;
  24 }
  25
  26 static inline ccdh_full_ctx_t vmdh_priv(struct vmdh *dh)
  27 {
  28     void *p = dh;
  29     cczp_t zp;
  30     zp.zp = (struct cczp *) dh;
  31     cc_size s = ccn_sizeof_n(cczp_n(zp));
  32     ccdh_full_ctx_t priv = { .hdr = (struct ccdh_ctx_header *)(p+ccdh_gp_size(s)) };
  33     return priv;
  34 }
  35
  36 static uint32_t param_g = 5;
  37
  38 static const uint8_t param_p[] = {
  39     0xED, 0x42, 0x06, 0xE1, 0xDD, 0x09, 0x93, 0xA6,
  40     0x81, 0xAE, 0x00, 0x0D, 0xBF, 0x84, 0x7F, 0x7D,
  41     0x87, 0x64, 0x6B, 0x77, 0x24, 0x03, 0xB8, 0xC0,
  42     0xDC, 0xBE, 0x5B, 0x9C, 0x8E, 0x71, 0x09, 0x24,
  43     0x53, 0x77, 0x7F, 0x5D, 0x1A, 0xAD, 0x92, 0xD8,
  44     0xFE, 0xCD, 0x5C, 0xB4, 0xCA, 0x09, 0x17, 0x11,
  45     0xF3, 0x82, 0x01, 0x39, 0x4A, 0x09, 0xBA, 0x29,
  46     0x95, 0x2B, 0xC4, 0xCC, 0x56, 0x21, 0x97, 0x13
  47 };
  48
  49 static const uint8_t client_priv[] = {
  50     0x32, 0x34, 0x73, 0x16, 0x7d, 0x79, 0xde, 0x47,
  51     0x22, 0x93, 0xf5, 0x86, 0x47, 0xf6, 0x7f, 0x7a,
  52     0xb6, 0x30, 0x16, 0x5b, 0xbf, 0xe1, 0x36, 0x0b,
  53     0xb4, 0xd2, 0x84, 0x3e, 0x57, 0x5f, 0xcb, 0xc6,
  54     0x6a, 0xae, 0x5d, 0x59, 0x4b, 0x70, 0x53, 0x22,
  55     0xb0, 0x51, 0x89, 0x30, 0x74, 0xfc, 0x95, 0x51,
  56     0x9c, 0xc9, 0xf7, 0xac, 0x8c, 0x37, 0xfd, 0xc1,
  57     0x0e, 0x02, 0x6e, 0x69, 0x6c, 0xca, 0x2a, 0x95
  58 };
  59
  60 __unused static const uint8_t client_pub[] = {
  61     0x15, 0xDF, 0x17, 0x6E, 0xB4, 0x95, 0xA7, 0x92,
  62     0x41, 0xB6, 0xF1, 0x93, 0x19, 0xDB, 0x34, 0xF1,
  63     0xE0, 0x0D, 0x62, 0xCD, 0x55, 0xC7, 0x0B, 0x27,
  64     0xB7, 0x53, 0x1A, 0x28, 0x65, 0x11, 0xF0, 0xF6,
  65     0xA6, 0xE1, 0x5B, 0x86, 0x1D, 0x67, 0x85, 0x19,
  66     0x6D, 0xD6, 0x80, 0xFF, 0x5C, 0xEB, 0xC3, 0x2D,
  67     0xC3, 0xCB, 0xD2, 0xD4, 0x66, 0x93, 0xF4, 0xFC,
  68     0xF1, 0xF4, 0x8B, 0x61, 0x0F, 0x02, 0xF5, 0x19
  69 };
  70
  71 static const uint8_t server_pub[] = {
  72     0x73, 0xC5, 0xF8, 0xF8, 0xB8, 0x9C, 0xB0, 0x5F,
  73     0xD6, 0xC6, 0x49, 0x5C, 0x70, 0xF5, 0x90, 0xB3,
  74     0x8A, 0xD3, 0xD0, 0x12, 0x99, 0x47, 0x60, 0xC2,
  75     0x5B, 0xF7, 0x18, 0x3A, 0x19, 0xF5, 0x01, 0xA3,
  76     0x67, 0xBF, 0x57, 0x28, 0x7E, 0x99, 0xA8, 0xDB,
  77     0x97, 0xA4, 0xAF, 0xF2, 0x68, 0x47, 0xAB, 0x48,
  78     0xE3, 0x4D, 0xF2, 0x94, 0xB4, 0xCC, 0xFC, 0x0C,
  79     0x50, 0xAD, 0xEF, 0x2E, 0x80, 0xA6, 0x20, 0x29
  80 };
  81
  82 static const uint8_t pw[] = {
  83         0x31, 0x32, 0x33, 0x34
  84 };
  85
  86 static const uint8_t pw_encr[] = {
  87     0x42, 0xd7, 0xa1, 0x08, 0x15, 0x8f, 0xdd, 0xc8,
  88     0xe8, 0x75, 0xea, 0xa2, 0xc2, 0x20, 0x28, 0xfa
  89 };
  90
  91 #if 0
  92 static void hexdump(const uint8_t *bytes, size_t len) {
  93         size_t ix;
  94         for (ix = 0; ix < len; ++ix) {
  95                 printf("%02X", bytes[ix]);
  96         }
  97         printf("\n");
  98 }
  99 #endif
 100
 101 static void tests(void)
 102 {
 103     vmdh_t vmdh;
 104     ok((vmdh = vmdh_create(param_g, param_p, sizeof(param_p),
 105         NULL, 0)), "vmdh_create");
 106
 107     /* No SecDH API to import a private key, so we have to reach inside the opaque struct */
 108     ccdh_gp_t gp = vmdh_gp(vmdh);
 109     ccdh_full_ctx_t priv = vmdh_priv(vmdh);
 110
 111     ok_status(ccdh_import_priv(gp, sizeof(client_priv), client_priv, priv), "Import DH private key");
 112
 113     uint8_t encpw[vmdh_encpw_len(sizeof(pw))];
 114     size_t encpw_len = sizeof(encpw);
 115
 116     ok(vmdh_encrypt_password(vmdh, server_pub, sizeof(server_pub),
 117                 pw, sizeof(pw), encpw, &encpw_len), "vmdh_encrypt_password");
 118     vmdh_destroy(vmdh);
 119
 120     is(encpw_len, sizeof(pw_encr), "check ciphertext size");
 121         ok(!memcmp(encpw, pw_encr, sizeof(pw_encr)), "does ciphertext match?");
 122
 123 #if 0
 124         hexdump(encpw, encpw_len);
 125         hexdump(pw_encr, sizeof(pw_encr));
 126
 127         DH *dh = DH_new();
 128         dh->p = BN_bin2bn(param_p, sizeof(param_p), BN_new());
 129         BN_hex2bn(&dh->g, "05");
 130         dh->pub_key = BN_bin2bn(client_pub, sizeof(client_pub), BN_new());
 131         dh->priv_key = BN_bin2bn(client_priv, sizeof(client_priv), BN_new());
 132         BIGNUM *bn_server_pub = BN_bin2bn(server_pub, sizeof(server_pub), BN_new());
 133         unsigned char key[1024];
 134         DH_compute_key(key, bn_server_pub, dh);
 135         printf("shared secret:\n");
 136         hexdump(key, 16);
 137 #endif
 138 }
 139
 140 int vmdh_42_example2(int argc, char *const *argv)
 141 {
 142         plan_tests(5);
 143
 144         tests();
 145
 146         return 0;
 147 }