OSX/sec/Security/Regressions/vmdh/vmdh-41-example.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     void *p = dh;
  22     ccdh_gp_t gp = { .gp = p };
  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 = { .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
  35 static uint32_t param_g = 5;
  36
  37 static 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
  48 static 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
  59 __unused static 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
  70 __unused static 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
  81 static 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
  92 static const uint8_t pw[] = {
  93         0x31, 0x32, 0x33, 0x34
  94 };
  95
  96 /* base64 would be:
  97 rHWs3KX/1ubFTzfim+9mLw==
  98 */
  99 static 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
 105 static 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. */
 115 static 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
 153 int vmdh_41_example(int argc, char *const *argv)
 154 {
 155         plan_tests(5);
 156
 157         tests();
 158
 159         return 0;
 160 }