Security/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 readFile(char *filename, unsigned char **data, unsigned *len)
 262 {
 263     int size = 0;
 264     FILE *file = NULL;
 265     if ((file = fopen(filename, "r")) == NULL) {
 266         fprintf(stderr, "could not open file=%s", filename);
 267         return;
 268     }
 269     fseek(file, 0, SEEK_END);
 270     size = ftell(file);
 271     *len = size;
 272     *data = (unsigned char*)malloc(*len);
 273     if (!*data) {
 274         fprintf(stderr, "Out of memory");
 275         fclose(file);
 276         return;
 277     }
 278     rewind(file);
 279     (void)fread(*data, size, 1, file);
 280     fclose(file);
 281 }
 282
 283 static void
 284 writeFile( char* filename, unsigned char* buf, int len )
 285 {
 286     FILE *file = NULL;
 287     file = fopen( filename, "w" );
 288     if ( file ) {
 289         fwrite( buf, len, 1, file );
 290         fclose( file );
 291     }
 292 }
 293
 294
 295 static void
 296 verify_bb_ticket(
 297     unsigned char *ticketData,
 298     unsigned ticketLength,
 299     const char *keyFile,
 300     bool doPrint )
 301 {
 302     if ( doPrint ) {
 303         dumpBytes( "Ticket (whole)", ticketData, ticketLength, 0 );
 304         printf( "\nBreakdown:\n" );
 305     }
 306
 307     DERItem derTicket = { .data = ticketData, .length = ticketLength };
 308     DERReturn drtn;
 309     DERBbTicket ticket = {};
 310     DERSize ticketSize;
 311     drtn = DERDecodeBbTicket(&derTicket, &ticket, &ticketSize);
 312     if (drtn != DR_Success) goto badTicket;
 313     fprintf( stderr, "ticketSize=%u\n", ticketSize );
 314
 315     // Verify signature if key file exists (we should really use the certificate or GPUK in the ticket here. */
 316     if ( keyFile ) {
 317         int status =  rsa_verify(
 318             keyFile,
 319             (unsigned char *)ticket.body.data,
 320             ticket.body.length,
 321             (unsigned char *)ticket.signature.data );
 322         if ( status ) {
 323             fprintf( stderr, "rsa_verify failed=%d\n", status );
 324         } else {
 325             fprintf( stdout, "Signature verified successfully\n");
 326         }
 327     }
 328
 329     /* Example of how to retrive fields from ticket. */
 330     DERItem snum;
 331     drtn = DERSetDecodeItemWithTag(&ticket.body,
 332         ASN1_CONTEXT_SPECIFIC | kBbSNUMTag, &snum);
 333     if (drtn != DR_Success) goto badTicket;
 334     DERItem chipId;
 335     drtn = DERSetDecodeItemWithTag(&ticket.body,
 336         ASN1_CONTEXT_SPECIFIC | kBbChipIDTag, &chipId);
 337     if (drtn != DR_Success) goto badTicket;
 338
 339     return;
 340 badTicket:
 341     fprintf( stdout, "Bad ticket\n");
 342     return;
 343 }
 344
 345 static void
 346 verify_ticket_file(
 347     const char *ticketFile,
 348     const char *keyFile )
 349 {
 350     unsigned char *ticket = NULL;
 351     unsigned ticketLength = 0;
 352     readFile( (char*)ticketFile, &ticket, &ticketLength );
 353     verify_bb_ticket( ticket, ticketLength, keyFile, false );
 354 }
 355
 356 static void
 357 make_sample_ap_ticket( void )
 358 {
 359     unsigned char chipId[] = { 0x01, 0x02, 0x03, 0x04 };
 360     unsigned char ecid[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 };
 361
 362     DERApTicket ticket = { };
 363
 364     /* Encode the signatureAlgorithm field of the ticket. */
 365     DERAlgorithmId algorithmId = { .oid = oidSha1Rsa, .params = {} };
 366     ticket.signatureAlgorithm.length = DERLengthOfEncodedSequence(
 367         ASN1_CONSTR_SEQUENCE, &algorithmId, DERNumAlgorithmIdItemSpecs,
 368         DERAlgorithmIdItemSpecs);
 369     ticket.signatureAlgorithm.data = malloc(ticket.signatureAlgorithm.length);
 370     DEREncodeSequence(ASN1_CONSTR_SEQUENCE, &algorithmId, DERNumAlgorithmIdItemSpecs, DERAlgorithmIdItemSpecs, ticket.signatureAlgorithm.data, &ticket.signatureAlgorithm.length);
 371
 372     /* Construct ticket body. */
 373     DERSize numBodyItemSpecs = 0;
 374     DERItemSpec bodyItemSpecs[50] = {};
 375     DERItem bodyItems[50] = {};
 376
 377     /* Add tags in sorted order. */
 378     bodyItemSpecs[numBodyItemSpecs].offset = numBodyItemSpecs * sizeof(DERItem);
 379     bodyItemSpecs[numBodyItemSpecs].tag = ASN1_CONTEXT_SPECIFIC | kApECIDTag;
 380     bodyItemSpecs[numBodyItemSpecs].options = DER_ENC_NO_OPTS;
 381     bodyItems[numBodyItemSpecs].data = ecid;
 382     bodyItems[numBodyItemSpecs].length = sizeof(ecid);
 383     numBodyItemSpecs++;
 384
 385     bodyItemSpecs[numBodyItemSpecs].offset = numBodyItemSpecs * sizeof(DERItem);
 386     bodyItemSpecs[numBodyItemSpecs].tag = ASN1_CONTEXT_SPECIFIC | kApChipIDTag;
 387     bodyItemSpecs[numBodyItemSpecs].options = DER_ENC_NO_OPTS;
 388     bodyItems[numBodyItemSpecs].data = chipId;
 389     bodyItems[numBodyItemSpecs].length = sizeof(chipId);
 390     numBodyItemSpecs++;
 391
 392     /* Encode ticket body. */
 393     ticket.body.length = DERLengthOfEncodedSequence(ASN1_CONSTR_SET,
 394         &bodyItems, numBodyItemSpecs, bodyItemSpecs);
 395     ticket.body.data = malloc(ticket.body.length);
 396     DEREncodeSequence(ASN1_CONSTR_SET, &bodyItems, numBodyItemSpecs,
 397         bodyItemSpecs, ticket.body.data, &ticket.body.length);
 398
 399     // Signature
 400     ticket.signature.data = (DERByte *)fakeSig;
 401     ticket.signature.length = sizeof(fakeSig);
 402
 403     // Certificates
 404     DERItemSpec certItemSpecs[1];
 405     DERItem certItems[1];
 406     certItemSpecs[0].offset = 0;
 407     certItemSpecs[0].tag = ASN1_CONSTR_SEQUENCE;
 408     certItemSpecs[0].options = DER_ENC_WRITE_DER;
 409
 410     // NOTE: The Certificate should be added to the ticket by the host. I'm just simulating that here
 411     // to generate the final ticket blob.
 412     readFile("S5L8920_TATSU_FAC_DARWIN_DEV_CHAIN.der", &certItems[0].data, &certItems[0].length);
 413
 414     ticket.certificates.length = DERLengthOfEncodedSequence(
 415         ASN1_CONSTRUCTED | ASN1_CONTEXT_SPECIFIC | 1, &certItems,
 416         1, certItemSpecs);
 417     ticket.certificates.data = malloc(ticket.certificates.length);
 418     DEREncodeSequence(ASN1_CONSTRUCTED | ASN1_CONTEXT_SPECIFIC | 1, &certItems,
 419         1, certItemSpecs, ticket.certificates.data, &ticket.certificates.length);
 420
 421     /* Encode the entire ticket. */
 422     DERSize ticketLength = DERLengthOfEncodedSequence(ASN1_CONSTR_SEQUENCE,
 423         &ticket, DERNumApTicketItemSpecs, DERApTicketItemSpecs);
 424     DERByte *ticketBytes = malloc(ticketLength);
 425     DEREncodeSequence(ASN1_CONSTR_SEQUENCE, &ticket, DERNumApTicketItemSpecs, DERApTicketItemSpecs,
 426         ticketBytes, &ticketLength);
 427
 428     // save ticket to file
 429     writeFile("ApTicket.bin", ticketBytes, ticketLength);
 430
 431 //cleanup:
 432     free(ticket.body.data);
 433     free(ticket.signatureAlgorithm.data);
 434     free(ticket.certificates.data);
 435     free(ticketBytes);
 436 }
 437
 438 static void
 439 make_sample_bb_ticket( void )
 440 {
 441     int status = 0;
 442     unsigned char chipId[] = { 0x01, 0x02, 0x03, 0x04 };
 443     unsigned char snum[] = { 0x01, 0x02, 0x03, 0x04 };
 444     unsigned char signature[SIG_LEN] = {};
 445     DERByte *ticketBytes = NULL;
 446
 447     DERBbTicket ticket = {};
 448
 449     /* Encode the signatureAlgorithm field of the ticket. */
 450     DERAlgorithmId algorithmId = { .oid = oidSha1Rsa };
 451     ticket.signatureAlgorithm.length = DERLengthOfEncodedSequence(
 452         ASN1_CONSTR_SEQUENCE, &algorithmId, DERNumAlgorithmIdItemSpecs,
 453         DERAlgorithmIdItemSpecs);
 454     ticket.signatureAlgorithm.data = malloc(ticket.signatureAlgorithm.length);
 455     DEREncodeSequence(ASN1_CONSTR_SEQUENCE, &algorithmId,
 456         DERNumAlgorithmIdItemSpecs, DERAlgorithmIdItemSpecs,
 457         ticket.signatureAlgorithm.data, &ticket.signatureAlgorithm.length);
 458
 459     /* Construct ticket body. */
 460     DERSize numBodyItemSpecs = 0;
 461     DERItemSpec bodyItemSpecs[50] = {};
 462     DERItem bodyItems[50] = {};
 463
 464     /* Add tags in sorted order. */
 465     bodyItemSpecs[numBodyItemSpecs].offset = numBodyItemSpecs * sizeof(DERItem);
 466     bodyItemSpecs[numBodyItemSpecs].tag = ASN1_CONTEXT_SPECIFIC | kBbSNUMTag;
 467     bodyItemSpecs[numBodyItemSpecs].options = DER_ENC_NO_OPTS;
 468     bodyItems[numBodyItemSpecs].data = snum;
 469     bodyItems[numBodyItemSpecs].length = sizeof(snum);
 470     numBodyItemSpecs++;
 471
 472     bodyItemSpecs[numBodyItemSpecs].offset = numBodyItemSpecs * sizeof(DERItem);
 473     bodyItemSpecs[numBodyItemSpecs].tag = ASN1_CONTEXT_SPECIFIC | kBbChipIDTag;
 474     bodyItemSpecs[numBodyItemSpecs].options = DER_ENC_NO_OPTS;
 475     bodyItems[numBodyItemSpecs].data = chipId;
 476     bodyItems[numBodyItemSpecs].length = sizeof(chipId);
 477     numBodyItemSpecs++;
 478
 479     /* Encode ticket body. */
 480     ticket.body.length = DERLengthOfEncodedSequence(ASN1_CONSTR_SET,
 481         &bodyItems, numBodyItemSpecs, bodyItemSpecs);
 482     ticket.body.data = malloc(ticket.body.length);
 483     DEREncodeSequence(ASN1_CONSTR_SET, &bodyItems, numBodyItemSpecs, bodyItemSpecs,
 484         ticket.body.data, &ticket.body.length);
 485
 486     // NOTE: In the SEE machine, the Body above will then be hashed/signed to generate signature
 487     status =  rsa_sign(
 488         "G1_GPrK.pem",
 489         ticket.body.data,
 490         ticket.body.length,
 491         (unsigned char *)signature );
 492     if ( status ) {
 493         fprintf( stderr, "rsa_sign failed=%d\n", status );
 494         goto cleanup;
 495     } else {
 496         fprintf( stdout, "Signed successfully\n");
 497     }
 498
 499     status =  rsa_verify(
 500         "G1_GPrK.pem",
 501         ticket.body.data,
 502         ticket.body.length,
 503         (unsigned char *)signature );
 504     if ( status ) {
 505         fprintf( stderr, "rsa_verify failed=%d\n", status );
 506         goto cleanup;
 507     } else {
 508         fprintf( stdout, "Signature verified successfully\n");
 509     }
 510
 511     // Signature
 512     ticket.signature.data = signature;
 513     ticket.signature.length = SIG_LEN;
 514
 515     // Certificates
 516     ticket.gpuk.length = sizeof(GoldKeyCert);
 517     ticket.gpuk.data = (DERByte *)GoldKeyCert;
 518
 519     /* Encode the entire ticket. */
 520     DERSize ticketLength = DERLengthOfEncodedSequence(ASN1_CONSTR_SEQUENCE,
 521         &ticket, DERNumBbTicketItemSpecs, DERBbTicketItemSpecs);
 522     ticketBytes = malloc(ticketLength);
 523     DEREncodeSequence(ASN1_CONSTR_SEQUENCE, &ticket, DERNumBbTicketItemSpecs,
 524         DERBbTicketItemSpecs, ticketBytes, &ticketLength);
 525
 526     // save ticket to file
 527     writeFile("BbTicket.bin", ticketBytes, ticketLength);
 528
 529 cleanup:
 530     free(ticket.body.data);
 531     free(ticket.signatureAlgorithm.data);
 532     free(ticketBytes);
 533 }
 534
 535 static void
 536 long_tag_test(void)
 537 {
 538     printf("ASN1_TAG_MASK           0x%.016qx\n", (uint64_t)ASN1_TAG_MASK);
 539     printf("ASN1_TAGNUM_MASK        0x%.016qx\n", (uint64_t)ASN1_TAGNUM_MASK);
 540     printf("ASN1_METHOD_MASK        0x%.016qx\n", (uint64_t)ASN1_METHOD_MASK);
 541     printf("ASN1_PRIMITIVE          0x%.016qx\n", (uint64_t)ASN1_PRIMITIVE);
 542     printf("ASN1_CONSTRUCTED        0x%.016qx\n", (uint64_t)ASN1_CONSTRUCTED);
 543     printf("ASN1_CLASS_MASK         0x%.016qx\n", (uint64_t)ASN1_CLASS_MASK);
 544     printf("ASN1_UNIVERSAL          0x%.016qx\n", (uint64_t)ASN1_UNIVERSAL);
 545     printf("ASN1_APPLICATION        0x%.016qx\n", (uint64_t)ASN1_APPLICATION);
 546     printf("ASN1_CONTEXT_SPECIFIC   0x%.016qx\n", (uint64_t)ASN1_CONTEXT_SPECIFIC);
 547     printf("ASN1_PRIVATE            0x%.016qx\n", (uint64_t)ASN1_PRIVATE);
 548
 549     DERByte buf[10];
 550     DERSize len = sizeof(buf);
 551     DERReturn drtn;
 552     DERTag tag = ASN1_CONTEXT_SPECIFIC | ASN1_TAGNUM_MASK;
 553     drtn = DEREncodeItem(tag, 0, 0, buf, &len);
 554     if (drtn)
 555     {
 556         printf("DEREncodeItem: %u\n", drtn);
 557     }
 558     DERItem der = { .data = buf, .length = len };
 559
 560     dumpBytes("tlv", buf, len, 0);
 561
 562     DERDecodedInfo decoded;
 563     drtn = DERDecodeItem(&der, &decoded);
 564     if (drtn)
 565     {
 566         printf("DERDecodeItem: %u\n", drtn);
 567     }
 568     if (decoded.tag != tag)
 569     {
 570         printf("DERDecodeItem tag: 0x%qx != 0x%qx\n", (uint64_t)decoded.tag, (uint64_t)tag);
 571     }
 572     printf("DERDecodeItem tag: 0x%qx encoded in %u bytes, decoded length: %u\n",
 573         (uint64_t)tag, len, decoded.content.length);
 574 }
 575
 576 int main(int argc, char **argv)
 577 {
 578     long_tag_test();
 579     printf( "=> Making sample BB ticket...\n");
 580     make_sample_bb_ticket();
 581     printf( "=> Making sample AP ticket...\n");
 582     make_sample_ap_ticket();
 583     printf( "=> Verifying signature in bb_ticket.bin ...\n");
 584     verify_ticket_file( "bb_ticket.bin", "G1_GPrK.pem" );
 585     return 0;
 586 }