OSX/libsecurity_keychain/libDER/Tests/parseTicket.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include <stdbool.h>
   4 #include <openssl/pem.h>
   5 #include <openssl/rsa.h>
   6 #include <openssl/engine.h>
   7 #include <openssl/bio.h>
   8 #include <openssl/x509.h>
   9 #include <openssl/sha.h>
  10 #include "AppleMobilePersonalizedTicket.h"
  11 #include <libDER/libDER.h>
  12 #include <libDER/asn1Types.h>
  13 #include <libDER/DER_Decode.h>
  14 #include <libDER/DER_Encode.h>
  15 #include <libDER/DER_Keys.h>
  16 #include <libDER/oids.h>
  17 #include "DER_Ticket.h"
  18
  19 const unsigned char GoldKeyCert[] = {
  20 0x01, 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00,
  21 0x00, 0x08, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00,
  22 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00,
  23 0x03, 0x00, 0x00, 0x00, 0x31, 0x6e, 0xc6, 0x4f,
  24 0xf1, 0xe8, 0x7d, 0x81, 0x38, 0x6d, 0xd8, 0xb3,
  25 0x2b, 0xe4, 0xb5, 0xa0, 0x09, 0xaf, 0x74, 0xdd,
  26 0xe9, 0x60, 0x27, 0x42, 0x07, 0xa3, 0xac, 0xef,
  27 0xe5, 0x75, 0x07, 0xa8, 0xc2, 0x2c, 0x25, 0x56,
  28 0x91, 0x37, 0xea, 0xdb, 0xdb, 0x68, 0x4a, 0x1c,
  29 0xe3, 0x29, 0x61, 0x85, 0xd7, 0xd8, 0x66, 0x86,
  30 0x66, 0xbf, 0xbf, 0x98, 0xae, 0xb4, 0xe9, 0x6c,
  31 0x13, 0x81, 0x97, 0x78, 0x2a, 0x8d, 0xdc, 0x37,
  32 0x9a, 0xf1, 0xa4, 0x0a, 0x9d, 0x74, 0xd5, 0x72,
  33 0xbc, 0xb5, 0x64, 0xa6, 0x1a, 0x62, 0xd5, 0x39,
  34 0xfb, 0x6f, 0xc0, 0xd1, 0xc7, 0x93, 0xc3, 0x20,
  35 0xda, 0x84, 0x69, 0x1e, 0xd9, 0x96, 0x2e, 0xc1,
  36 0x4f, 0x28, 0x96, 0x14, 0xa4, 0x68, 0x0a, 0x40,
  37 0xe5, 0x17, 0xe7, 0xd6, 0x76, 0x4d, 0x81, 0xd8,
  38 0xd2, 0xa6, 0x18, 0x82, 0x36, 0x40, 0x97, 0x31,
  39 0xd9, 0x88, 0xdf, 0xaf, 0x05, 0x3a, 0x4b, 0x4e,
  40 0x1b, 0x4a, 0x76, 0x6f, 0xb9, 0x6c, 0x18, 0x5d,
  41 0xd5, 0x98, 0xf0, 0xf1, 0xbe, 0x0a, 0xd9, 0x57,
  42 0x85, 0xc6, 0xc9, 0x63, 0xb3, 0xf5, 0x21, 0x26,
  43 0x07, 0xba, 0x6a, 0x05, 0xfb, 0x5a, 0x06, 0x87,
  44 0x2a, 0x30, 0x3f, 0xa9, 0xea, 0xab, 0x0e, 0x50,
  45 0x70, 0x3b, 0x7e, 0xd4, 0xd2, 0x8c, 0xf3, 0xa1,
  46 0xcf, 0x9a, 0x6c, 0x6b, 0xcf, 0x9b, 0x1b, 0x2a,
  47 0x97, 0x6a, 0x3c, 0x38, 0x40, 0x43, 0xb1, 0x97,
  48 0x19, 0x07, 0x64, 0x11, 0x94, 0x73, 0x14, 0xc9,
  49 0xa3, 0xfe, 0x7f, 0xf6, 0x64, 0x23, 0x73, 0xe3,
  50 0x76, 0xce, 0xf7, 0xf4, 0x2f, 0x6c, 0x9d, 0x0a,
  51 0xf6, 0x39, 0xe6, 0x1d, 0xb2, 0x17, 0x29, 0x39,
  52 0x98, 0x52, 0xda, 0xe0, 0x31, 0xa1, 0xfa, 0x85,
  53 0x52, 0xc2, 0x60, 0xb5, 0x11, 0x42, 0xc6, 0x9b,
  54 0x55, 0xd8, 0x40, 0x37, 0xf7, 0xdb, 0x01, 0x6a,
  55 0xd5, 0x26, 0x3b, 0x27, 0x07, 0x20, 0xf7, 0x58,
  56 0xd5, 0xa4, 0x1c, 0xe6, 0x2f, 0x74, 0x14, 0x6e,
  57 0xa4, 0xe8, 0xc8, 0xe8, 0x9a, 0x39, 0x6d, 0xde,
  58 0x7f, 0x67, 0x65, 0x40, 0x68, 0x26, 0x65, 0x62,
  59 0x95, 0x87, 0x45, 0x62, 0x0d, 0x8d, 0x42, 0xad,
  60 0x3b, 0x4f, 0xd3, 0x8f, 0x58, 0xcb, 0x61, 0x46,
  61 0xc9, 0x3d, 0x7d, 0x75, 0x3c, 0x6d, 0xac, 0xdf,
  62 0x53, 0xf4, 0x66, 0x9e, 0x14, 0x82, 0xc7, 0xd1,
  63 0xd0, 0xec, 0x92, 0x24, 0x97, 0x1e, 0xc9, 0x7a,
  64 0xfd, 0x8f, 0x75, 0xe2, 0xfd, 0x7e, 0x07, 0x44,
  65 0x46, 0x56, 0x64, 0x9b, 0x1b, 0x17, 0xfa, 0xd6,
  66 0xf5, 0xdb, 0xc9, 0x27, 0x3b, 0x60, 0x27, 0x2f,
  67 0x84, 0xd7, 0xac, 0x7f, 0xf3, 0xa7, 0x16, 0x31,
  68 0xfa, 0x19, 0x54, 0x57, 0x98, 0xb5, 0xdb, 0x9c,
  69 0xc3, 0xb5, 0x55, 0x72, 0x98, 0x2f, 0x56, 0x33,
  70 0x7c, 0x38, 0x1f, 0xb4, 0x8c, 0x94, 0x1a, 0x6a,
  71 0x26, 0x8a, 0x84, 0xfc, 0x8d, 0xb1, 0x49, 0xbb,
  72 0x6d, 0x11, 0x36, 0xc9, 0x05, 0x57, 0x87, 0xd2,
  73 0xdb, 0xd3, 0xe3, 0xea, 0x08, 0xb2, 0x9f, 0x44,
  74 0x85, 0xd7, 0xd4, 0x96, 0x25, 0xeb, 0x2b, 0xca,
  75 0x86, 0x0f, 0x33, 0x69, 0xc4, 0xda, 0x98, 0x68,
  76 0x21, 0xad, 0xd8, 0xc4, 0x4e, 0x46, 0x33, 0x43,
  77 0xad, 0xe7, 0xfe, 0x58, 0x10, 0x00, 0x76, 0x3c,
  78 0xd4, 0x14, 0x5a, 0x74, 0x43, 0x04, 0xc3, 0xdd,
  79 0x46, 0xc3, 0xe0, 0x4b, 0x46, 0xb5, 0x84, 0xcb,
  80 0xe6, 0x40, 0x71, 0xdf, 0x50, 0x16, 0x5f, 0xf0,
  81 0x0f, 0xc5, 0x9c, 0x50, 0x64, 0xe0, 0x64, 0x1c,
  82 0x58, 0x87, 0xae, 0x91, 0x9c, 0xb6, 0x57, 0x77,
  83 0xf0, 0xc4, 0x3e, 0xcf, 0xb6, 0xc5, 0x10, 0x0c,
  84 0xea, 0x5b, 0xcc, 0xaf, 0xee, 0x7b, 0x15, 0x4e,
  85 0x4e, 0x3c, 0x29, 0x9c, 0xf8, 0xe6, 0x59, 0xca,
  86 0xaf, 0x48, 0x12, 0x99, 0x76, 0xde, 0x54, 0xe2,
  87 0x75, 0x62, 0x31, 0x17,
  88 };
  89
  90 #define SIG_LEN     128
  91 #define HASH_LEN    20
  92
  93 const unsigned char fakeAlgOID[] = {
  94 0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x01,0x05
  95 };
  96
  97 const unsigned char fakeG3Cert[] = {
  98 0x01,0x00,0x00,0x00,
  99 0x1c,0x00,0x00,0x00,
 100 0x01,0x08,0x00,0x00,
 101 0x10,0x0a,0x00,0x00,
 102 0x00,0x00,0x00,0x00,
 103 0x00,0x04,0x00,0x00,
 104 0x01,0x00,0x01,0x00,
 105 0x19,0xfc,0xb6,0x7b,0x4e,0xa8,0xd7,0xb1,0xeb,0xf9,0x19,0x28,0x07,0x7f,0x47,0x4c,
 106 0xe1,0x9f,0xbe,0x01,0x15,0x5c,0xea,0xda,0xc3,0xd1,0x59,0x3c,0x75,0xed,0x00,0x7b,
 107 0x22,0x67,0x22,0xd6,0xd3,0xee,0xc2,0x04,0xdf,0x47,0xc4,0x85,0xc0,0x56,0xa4,0x8d,
 108 0xf3,0xf0,0xcf,0x00,0x9d,0xd2,0x03,0xc1,0x23,0x3f,0xc8,0x9f,0xef,0xfe,0xea,0x50,
 109 0x33,0x6b,0xbe,0x74,0x1a,0xa3,0x3c,0x13,0xa2,0xc5,0xf6,0x75,0x88,0x1d,0x3f,0xba,
 110 0xff,0x0d,0x47,0xab,0xbe,0xfe,0x42,0xd3,0xea,0xe2,0xe2,0xb0,0x06,0xd7,0x88,0xf8,
 111 0x1d,0x93,0xdf,0x86,0xbd,0xd8,0xa8,0x5f,0x2b,0xe3,0x97,0x41,0xa1,0xc6,0x1d,0x69,
 112 0xe9,0x88,0xdf,0x87,0xbb,0x1b,0xff,0x31,0x82,0xae,0x8a,0x69,0x31,0xca,0xc3,0x90,
 113 0x0f,0x0d,0x22,0xa3,0xcf,0x8d,0xcc,0x23,0x03,0x10,0xed,0x74,0x8e,0x13,0x74,0x49,
 114 0x9d,0x9a,0x1c,0xf2,0x57,0x2d,0x18,0x89,0x6d,0xb8,0xcc,0xab,0xcf,0xd9,0xd8,0x0e,
 115 0x46,0x68,0x98,0xa3,0x81,0x5d,0x18,0xe8,0x4d,0x03,0x96,0x14,0xc5,0xaf,0x21,0x91,
 116 0xb7,0x8c,0x97,0xa1,0x85,0xde,0x85,0x78,0xa8,0xd7,0x25,0x20,0x9b,0x2b,0x98,0x36,
 117 0xd5,0xfe,0x14,0x9b,0x5d,0xe3,0x78,0xf4,0xd6,0xb2,0x15,0xc9,0xfd,0x13,0x77,0x7b,
 118 0x8a,0x5e,0x9e,0x85,0xff,0x53,0x6d,0x24,0x5d,0xc9,0x52,0x16,0x98,0x18,0xb1,0xaf,
 119 0xe1,0x6a,0xd6,0xe8,0xa9,0x7c,0x78,0x8e,0x9f,0x79,0x21,0xa1,0xde,0xf4,0xaf,0x9c,
 120 0xd4,0x61,0x52,0xf9,0xe7,0xfc,0xd7,0x10,0x1b,0x91,0x66,0x14,0x26,0xfd,0xda,0xee,
 121 0xe5,0xd9,0x4c,0xb7,0x9d,0x6d,0x17,0xf8,0xc2,0x21,0xb4,0x34,0x08,0x0c,0x44,0x79,
 122 0x53,0x9c,0x81,0xbf,0x1f,0x22,0x0a,0xa6,0xe7,0x22,0x5f,0x5c,0xcb,0x31,0x2e,0xf5,
 123 0x0c,0x1a,0xf1,0x67,0x13,0x7f,0xe6,0xb3,0xb2,0xfe,0x6b,0x09,0xac,0xa6,0xd4,0x14,
 124 0xe7,0xe9,0x11,0x0e,0x49,0x99,0x06,0x04,0xa4,0x43,0x22,0xec,0x9f,0x59,0x83,0xfb,
 125 0xef,0xa3,0x8f,0x6b,0xde,0x70,0x0c,0xbb,0x89,0xe9,0x88,0xbc,0xeb,0x36,0x42,0x42,
 126 0x50,0x84,0xf5,0x93,0x98,0x93,0xed,0xa2,0x1f,0x13,0x60,0x36,0xc8,0x2f,0x9f,0xd1,
 127 0xc4,0x23,0xf6,0xd0,0x49,0x40,0xab,0xbe,0xf7,0x43,0x02,0x96,0xf0,0x74,0xa5,0x7d,
 128 0x68,0x89,0xfa,0x58, 0xad, 0x7b, 0x2f, 0x7d, 0xe8, 0x21, 0x34, 0x5e, 0x6c, 0x20,
 129 0x97, 0x9e
 130 };
 131
 132 const unsigned char fakeSig[] = {
 133 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,
 134 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,
 135 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,
 136 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,
 137 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,
 138 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,
 139 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,
 140 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10
 141 };
 142
 143 static void
 144 dumpBytes( const char *title, const unsigned char *data, int len, int nonewline );
 145
 146 static int
 147 rsa_sign(
 148     const char *keyFile,
 149     unsigned char *plain,
 150     unsigned plainLength,
 151     unsigned char signature[SIG_LEN] )
 152 {
 153     int rc = -1;
 154     FILE *fp = NULL;
 155     RSA *rsa = NULL;
 156     unsigned signatureLength = 0;
 157
 158     fp = fopen ( (char*) keyFile, "r" );
 159     if ( !fp ) {
 160         fprintf( stderr, "failed to open file=%s\n", keyFile );
 161         goto cleanup;
 162     }
 163     rsa = RSA_new();
 164     if ( !rsa ) {
 165         fprintf( stderr, "RSA_new() failed\n" );
 166         goto cleanup;
 167     }
 168     rsa = (RSA*)PEM_read_RSAPrivateKey( fp, &rsa, NULL, NULL );
 169     if ( !rsa ) {
 170         fprintf( stderr, "PEM_read_RSAPrivateKey() failed\n" );
 171         goto cleanup;
 172     }
 173     signatureLength = SIG_LEN;
 174     char sha1[20] = {};
 175     (void) SHA1( plain, plainLength, (unsigned char*)sha1 );
 176     rc = RSA_sign( NID_sha1, (unsigned char*)sha1, sizeof( sha1),
 177         signature, &signatureLength, rsa );
 178     if ( rc != 1 ) {
 179         fprintf(stderr, "RSA_sign failed=%d\n", rc );
 180         rc = -1;
 181         goto cleanup;
 182     } else {
 183         rc = 0;
 184     }
 185
 186 cleanup:
 187     if ( fp ) fclose( fp );
 188     RSA_free( rsa );
 189     return rc;
 190 }
 191
 192 static int
 193 rsa_verify(
 194     const char *keyFile,
 195     unsigned char *plain,
 196     unsigned plainLength,
 197     unsigned char signature[SIG_LEN] )
 198 {
 199     int rc = -1;
 200     FILE *fp = NULL;
 201     RSA *rsa = NULL;
 202     unsigned signatureLength = 0;
 203
 204     fp = fopen ( (char*) keyFile, "r" );
 205     if ( !fp ) {
 206         fprintf( stderr, "failed to open file=%s\n", keyFile );
 207         goto cleanup;
 208     }
 209     rsa = RSA_new();
 210     if ( !rsa ) {
 211         fprintf( stderr, "RSA_new() failed\n" );
 212         goto cleanup;
 213     }
 214     rsa = (RSA*)PEM_read_RSAPrivateKey( fp, &rsa, NULL, NULL );
 215     if ( !rsa ) {
 216         fprintf( stderr, "PEM_read_RSAPrivateKey() failed\n" );
 217         goto cleanup;
 218     }
 219     signatureLength = SIG_LEN;
 220     char sha1[20] = {};
 221     (void) SHA1( plain, plainLength, (unsigned char*)sha1 );
 222     rc = RSA_verify( NID_sha1, (unsigned char*)sha1, sizeof( sha1 ),
 223         signature, signatureLength, rsa );
 224     if ( rc != 1 ) {
 225         fprintf(stderr, "RSA_verify failed=%d\n", rc );
 226         rc = -1;
 227         goto cleanup;
 228     } else {
 229         rc = 0;
 230     }
 231
 232 cleanup:
 233     if ( fp ) fclose( fp );
 234     RSA_free( rsa );
 235     return rc;
 236     return rc;
 237 }
 238
 239 static void
 240 dumpBytes( const char *title, const unsigned char *data, int len, int nonewline )
 241 {
 242     int width = 16;
 243     int line = 0;
 244     int multiple = 0;
 245
 246     multiple = ( len % width == 0 );
 247
 248     printf( "[%s: %d bytes]\n", title, len );
 249     while ( len-- > 0 ) {
 250         line++;
 251         printf( "%02X ", *data++ );
 252         if ( line % width == 0 && len > 0 && !nonewline ) {
 253             printf( "\n" );
 254         }
 255     }
 256
 257     printf("\n");
 258 }
 259
 260 static void
 261 writeFile( char* filename, unsigned char* buf, int len )
 262 {
 263     FILE *file = NULL;
 264     file = fopen( filename, "w" );
 265     if ( file ) {
 266         fwrite( buf, len, 1, file );
 267         fclose( file );
 268     }
 269 }
 270
 271
 272 static void
 273 verify_bb_ticket(
 274     unsigned char *ticketData,
 275     unsigned ticketLength,
 276     const char *keyFile,
 277     bool doPrint )
 278 {
 279     if ( doPrint ) {
 280         dumpBytes( "Ticket (whole)", ticketData, ticketLength, 0 );
 281         printf( "\nBreakdown:\n" );
 282     }
 283
 284     DERItem derTicket = { .data = ticketData, .length = ticketLength };
 285     DERReturn drtn;
 286     DERBbTicket ticket = {};
 287     DERSize ticketSize;
 288     drtn = DERDecodeBbTicket(&derTicket, &ticket, &ticketSize);
 289     if (drtn != DR_Success) goto badTicket;
 290     fprintf( stderr, "ticketSize=%u\n", ticketSize );
 291
 292     // Verify signature if key file exists (we should really use the certificate or GPUK in the ticket here. */
 293     if ( keyFile ) {
 294         int status =  rsa_verify(
 295             keyFile,
 296             (unsigned char *)ticket.body.data,
 297             ticket.body.length,
 298             (unsigned char *)ticket.signature.data );
 299         if ( status ) {
 300             fprintf( stderr, "rsa_verify failed=%d\n", status );
 301         } else {
 302             fprintf( stdout, "Signature verified successfully\n");
 303         }
 304     }
 305
 306     /* Example of how to retrive fields from ticket. */
 307     DERItem snum;
 308     drtn = DERSetDecodeItemWithTag(&ticket.body,
 309         ASN1_CONTEXT_SPECIFIC | kBbSNUMTag, &snum);
 310     if (drtn != DR_Success) goto badTicket;
 311     DERItem chipId;
 312     drtn = DERSetDecodeItemWithTag(&ticket.body,
 313         ASN1_CONTEXT_SPECIFIC | kBbChipIDTag, &chipId);
 314     if (drtn != DR_Success) goto badTicket;
 315
 316     return;
 317 badTicket:
 318     fprintf( stdout, "Bad ticket\n");
 319     return;
 320 }
 321
 322 static void
 323 verify_ticket_file(
 324     const char *ticketFile,
 325     const char *keyFile )
 326 {
 327     unsigned char *ticket = NULL;
 328     unsigned ticketLength = 0;
 329     readFile( (char*)ticketFile, &ticket, &ticketLength );
 330     verify_bb_ticket( ticket, ticketLength, keyFile, false );
 331 }
 332
 333 static void
 334 make_sample_ap_ticket( void )
 335 {
 336     unsigned char chipId[] = { 0x01, 0x02, 0x03, 0x04 };
 337     unsigned char ecid[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 };
 338
 339     DERApTicket ticket = { };
 340
 341     /* Encode the signatureAlgorithm field of the ticket. */
 342     DERAlgorithmId algorithmId = { .oid = oidSha1Rsa, .params = {} };
 343     ticket.signatureAlgorithm.length = DERLengthOfEncodedSequence(
 344         ASN1_CONSTR_SEQUENCE, &algorithmId, DERNumAlgorithmIdItemSpecs,
 345         DERAlgorithmIdItemSpecs);
 346     ticket.signatureAlgorithm.data = malloc(ticket.signatureAlgorithm.length);
 347     DEREncodeSequence(ASN1_CONSTR_SEQUENCE, &algorithmId, DERNumAlgorithmIdItemSpecs, DERAlgorithmIdItemSpecs, ticket.signatureAlgorithm.data, &ticket.signatureAlgorithm.length);
 348
 349     /* Construct ticket body. */
 350     DERSize numBodyItemSpecs = 0;
 351     DERItemSpec bodyItemSpecs[50] = {};
 352     DERItem bodyItems[50] = {};
 353
 354     /* Add tags in sorted order. */
 355     bodyItemSpecs[numBodyItemSpecs].offset = numBodyItemSpecs * sizeof(DERItem);
 356     bodyItemSpecs[numBodyItemSpecs].tag = ASN1_CONTEXT_SPECIFIC | kApECIDTag;
 357     bodyItemSpecs[numBodyItemSpecs].options = DER_ENC_NO_OPTS;
 358     bodyItems[numBodyItemSpecs].data = ecid;
 359     bodyItems[numBodyItemSpecs].length = sizeof(ecid);
 360     numBodyItemSpecs++;
 361
 362     bodyItemSpecs[numBodyItemSpecs].offset = numBodyItemSpecs * sizeof(DERItem);
 363     bodyItemSpecs[numBodyItemSpecs].tag = ASN1_CONTEXT_SPECIFIC | kApChipIDTag;
 364     bodyItemSpecs[numBodyItemSpecs].options = DER_ENC_NO_OPTS;
 365     bodyItems[numBodyItemSpecs].data = chipId;
 366     bodyItems[numBodyItemSpecs].length = sizeof(chipId);
 367     numBodyItemSpecs++;
 368
 369     /* Encode ticket body. */
 370     ticket.body.length = DERLengthOfEncodedSequence(ASN1_CONSTR_SET,
 371         &bodyItems, numBodyItemSpecs, bodyItemSpecs);
 372     ticket.body.data = malloc(ticket.body.length);
 373     DEREncodeSequence(ASN1_CONSTR_SET, &bodyItems, numBodyItemSpecs,
 374         bodyItemSpecs, ticket.body.data, &ticket.body.length);
 375
 376     // Signature
 377     ticket.signature.data = (DERByte *)fakeSig;
 378     ticket.signature.length = sizeof(fakeSig);
 379
 380     // Certificates
 381     DERItemSpec certItemSpecs[1];
 382     DERItem certItems[1];
 383     certItemSpecs[0].offset = 0;
 384     certItemSpecs[0].tag = ASN1_CONSTR_SEQUENCE;
 385     certItemSpecs[0].options = DER_ENC_WRITE_DER;
 386
 387     // NOTE: The Certificate should be added to the ticket by the host. I'm just simulating that here
 388     // to generate the final ticket blob.
 389     readFile("S5L8920_TATSU_FAC_DARWIN_DEV_CHAIN.der", &certItems[0].data, &certItems[0].length);
 390
 391     ticket.certificates.length = DERLengthOfEncodedSequence(
 392         ASN1_CONSTRUCTED | ASN1_CONTEXT_SPECIFIC | 1, &certItems,
 393         1, certItemSpecs);
 394     ticket.certificates.data = malloc(ticket.certificates.length);
 395     DEREncodeSequence(ASN1_CONSTRUCTED | ASN1_CONTEXT_SPECIFIC | 1, &certItems,
 396         1, certItemSpecs, ticket.certificates.data, &ticket.certificates.length);
 397
 398     /* Encode the entire ticket. */
 399     DERSize ticketLength = DERLengthOfEncodedSequence(ASN1_CONSTR_SEQUENCE,
 400         &ticket, DERNumApTicketItemSpecs, DERApTicketItemSpecs);
 401     DERByte *ticketBytes = malloc(ticketLength);
 402     DEREncodeSequence(ASN1_CONSTR_SEQUENCE, &ticket, DERNumApTicketItemSpecs, DERApTicketItemSpecs,
 403         ticketBytes, &ticketLength);
 404
 405     // save ticket to file
 406     writeFile("ApTicket.bin", ticketBytes, ticketLength);
 407
 408 //cleanup:
 409     free(ticket.body.data);
 410     free(ticket.signatureAlgorithm.data);
 411     free(ticket.certificates.data);
 412     free(ticketBytes);
 413 }
 414
 415 static void
 416 make_sample_bb_ticket( void )
 417 {
 418     int status = 0;
 419     unsigned char chipId[] = { 0x01, 0x02, 0x03, 0x04 };
 420     unsigned char snum[] = { 0x01, 0x02, 0x03, 0x04 };
 421     unsigned char signature[SIG_LEN] = {};
 422     DERByte *ticketBytes = NULL;
 423
 424     DERBbTicket ticket = {};
 425
 426     /* Encode the signatureAlgorithm field of the ticket. */
 427     DERAlgorithmId algorithmId = { .oid = oidSha1Rsa };
 428     ticket.signatureAlgorithm.length = DERLengthOfEncodedSequence(
 429         ASN1_CONSTR_SEQUENCE, &algorithmId, DERNumAlgorithmIdItemSpecs,
 430         DERAlgorithmIdItemSpecs);
 431     ticket.signatureAlgorithm.data = malloc(ticket.signatureAlgorithm.length);
 432     DEREncodeSequence(ASN1_CONSTR_SEQUENCE, &algorithmId,
 433         DERNumAlgorithmIdItemSpecs, DERAlgorithmIdItemSpecs,
 434         ticket.signatureAlgorithm.data, &ticket.signatureAlgorithm.length);
 435
 436     /* Construct ticket body. */
 437     DERSize numBodyItemSpecs = 0;
 438     DERItemSpec bodyItemSpecs[50] = {};
 439     DERItem bodyItems[50] = {};
 440
 441     /* Add tags in sorted order. */
 442     bodyItemSpecs[numBodyItemSpecs].offset = numBodyItemSpecs * sizeof(DERItem);
 443     bodyItemSpecs[numBodyItemSpecs].tag = ASN1_CONTEXT_SPECIFIC | kBbSNUMTag;
 444     bodyItemSpecs[numBodyItemSpecs].options = DER_ENC_NO_OPTS;
 445     bodyItems[numBodyItemSpecs].data = snum;
 446     bodyItems[numBodyItemSpecs].length = sizeof(snum);
 447     numBodyItemSpecs++;
 448
 449     bodyItemSpecs[numBodyItemSpecs].offset = numBodyItemSpecs * sizeof(DERItem);
 450     bodyItemSpecs[numBodyItemSpecs].tag = ASN1_CONTEXT_SPECIFIC | kBbChipIDTag;
 451     bodyItemSpecs[numBodyItemSpecs].options = DER_ENC_NO_OPTS;
 452     bodyItems[numBodyItemSpecs].data = chipId;
 453     bodyItems[numBodyItemSpecs].length = sizeof(chipId);
 454     numBodyItemSpecs++;
 455
 456     /* Encode ticket body. */
 457     ticket.body.length = DERLengthOfEncodedSequence(ASN1_CONSTR_SET,
 458         &bodyItems, numBodyItemSpecs, bodyItemSpecs);
 459     ticket.body.data = malloc(ticket.body.length);
 460     DEREncodeSequence(ASN1_CONSTR_SET, &bodyItems, numBodyItemSpecs, bodyItemSpecs,
 461         ticket.body.data, &ticket.body.length);
 462
 463     // NOTE: In the SEE machine, the Body above will then be hashed/signed to generate signature
 464     status =  rsa_sign(
 465         "G1_GPrK.pem",
 466         ticket.body.data,
 467         ticket.body.length,
 468         (unsigned char *)signature );
 469     if ( status ) {
 470         fprintf( stderr, "rsa_sign failed=%d\n", status );
 471         goto cleanup;
 472     } else {
 473         fprintf( stdout, "Signed successfully\n");
 474     }
 475
 476     status =  rsa_verify(
 477         "G1_GPrK.pem",
 478         ticket.body.data,
 479         ticket.body.length,
 480         (unsigned char *)signature );
 481     if ( status ) {
 482         fprintf( stderr, "rsa_verify failed=%d\n", status );
 483         goto cleanup;
 484     } else {
 485         fprintf( stdout, "Signature verified successfully\n");
 486     }
 487
 488     // Signature
 489     ticket.signature.data = signature;
 490     ticket.signature.length = SIG_LEN;
 491
 492     // Certificates
 493     ticket.gpuk.length = sizeof(GoldKeyCert);
 494     ticket.gpuk.data = (DERByte *)GoldKeyCert;
 495
 496     /* Encode the entire ticket. */
 497     DERSize ticketLength = DERLengthOfEncodedSequence(ASN1_CONSTR_SEQUENCE,
 498         &ticket, DERNumBbTicketItemSpecs, DERBbTicketItemSpecs);
 499     ticketBytes = malloc(ticketLength);
 500     DEREncodeSequence(ASN1_CONSTR_SEQUENCE, &ticket, DERNumBbTicketItemSpecs,
 501         DERBbTicketItemSpecs, ticketBytes, &ticketLength);
 502
 503     // save ticket to file
 504     writeFile("BbTicket.bin", ticketBytes, ticketLength);
 505
 506 cleanup:
 507     free(ticket.body.data);
 508     free(ticket.signatureAlgorithm.data);
 509     free(ticketBytes);
 510 }
 511
 512 static void
 513 long_tag_test(void)
 514 {
 515     printf("ASN1_TAG_MASK           0x%.016qx\n", (uint64_t)ASN1_TAG_MASK);
 516     printf("ASN1_TAGNUM_MASK        0x%.016qx\n", (uint64_t)ASN1_TAGNUM_MASK);
 517     printf("ASN1_METHOD_MASK        0x%.016qx\n", (uint64_t)ASN1_METHOD_MASK);
 518     printf("ASN1_PRIMITIVE          0x%.016qx\n", (uint64_t)ASN1_PRIMITIVE);
 519     printf("ASN1_CONSTRUCTED        0x%.016qx\n", (uint64_t)ASN1_CONSTRUCTED);
 520     printf("ASN1_CLASS_MASK         0x%.016qx\n", (uint64_t)ASN1_CLASS_MASK);
 521     printf("ASN1_UNIVERSAL          0x%.016qx\n", (uint64_t)ASN1_UNIVERSAL);
 522     printf("ASN1_APPLICATION        0x%.016qx\n", (uint64_t)ASN1_APPLICATION);
 523     printf("ASN1_CONTEXT_SPECIFIC   0x%.016qx\n", (uint64_t)ASN1_CONTEXT_SPECIFIC);
 524     printf("ASN1_PRIVATE            0x%.016qx\n", (uint64_t)ASN1_PRIVATE);
 525
 526     DERByte buf[10];
 527     DERSize len = sizeof(buf);
 528     DERReturn drtn;
 529     DERTag tag = ASN1_CONTEXT_SPECIFIC | ASN1_TAGNUM_MASK;
 530     drtn = DEREncodeItem(tag, 0, 0, buf, &len);
 531     if (drtn)
 532     {
 533         printf("DEREncodeItem: %u\n", drtn);
 534     }
 535     DERItem der = { .data = buf, .length = len };
 536
 537     dumpBytes("tlv", buf, len, 0);
 538
 539     DERDecodedInfo decoded;
 540     drtn = DERDecodeItem(&der, &decoded);
 541     if (drtn)
 542     {
 543         printf("DERDecodeItem: %u\n", drtn);
 544     }
 545     if (decoded.tag != tag)
 546     {
 547         printf("DERDecodeItem tag: 0x%qx != 0x%qx\n", (uint64_t)decoded.tag, (uint64_t)tag);
 548     }
 549     printf("DERDecodeItem tag: 0x%qx encoded in %u bytes, decoded length: %u\n",
 550         (uint64_t)tag, len, decoded.content.length);
 551 }
 552
 553 int main(int argc, char **argv)
 554 {
 555     long_tag_test();
 556     printf( "=> Making sample BB ticket...\n");
 557     make_sample_bb_ticket();
 558     printf( "=> Making sample AP ticket...\n");
 559     make_sample_ap_ticket();
 560     printf( "=> Verifying signature in bb_ticket.bin ...\n");
 561     verify_ticket_file( "bb_ticket.bin", "G1_GPrK.pem" );
 562     return 0;
 563 }