X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/80e2389990082500d76eb566d4946be3e786c3ef..d8f41ccd20de16f8ebe2ccc84d47bf1cb2b26bbb:/Security/libsecurity_keychain/libDER/Tests/parseTicket.c diff --git a/Security/libsecurity_keychain/libDER/Tests/parseTicket.c b/Security/libsecurity_keychain/libDER/Tests/parseTicket.c new file mode 100644 index 00000000..a55cee53 --- /dev/null +++ b/Security/libsecurity_keychain/libDER/Tests/parseTicket.c @@ -0,0 +1,586 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "AppleMobilePersonalizedTicket.h" +#include +#include +#include +#include +#include +#include +#include "DER_Ticket.h" + +const unsigned char GoldKeyCert[] = { +0x01, 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, +0x00, 0x08, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, +0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, +0x03, 0x00, 0x00, 0x00, 0x31, 0x6e, 0xc6, 0x4f, +0xf1, 0xe8, 0x7d, 0x81, 0x38, 0x6d, 0xd8, 0xb3, +0x2b, 0xe4, 0xb5, 0xa0, 0x09, 0xaf, 0x74, 0xdd, +0xe9, 0x60, 0x27, 0x42, 0x07, 0xa3, 0xac, 0xef, +0xe5, 0x75, 0x07, 0xa8, 0xc2, 0x2c, 0x25, 0x56, +0x91, 0x37, 0xea, 0xdb, 0xdb, 0x68, 0x4a, 0x1c, +0xe3, 0x29, 0x61, 0x85, 0xd7, 0xd8, 0x66, 0x86, +0x66, 0xbf, 0xbf, 0x98, 0xae, 0xb4, 0xe9, 0x6c, +0x13, 0x81, 0x97, 0x78, 0x2a, 0x8d, 0xdc, 0x37, +0x9a, 0xf1, 0xa4, 0x0a, 0x9d, 0x74, 0xd5, 0x72, +0xbc, 0xb5, 0x64, 0xa6, 0x1a, 0x62, 0xd5, 0x39, +0xfb, 0x6f, 0xc0, 0xd1, 0xc7, 0x93, 0xc3, 0x20, +0xda, 0x84, 0x69, 0x1e, 0xd9, 0x96, 0x2e, 0xc1, +0x4f, 0x28, 0x96, 0x14, 0xa4, 0x68, 0x0a, 0x40, +0xe5, 0x17, 0xe7, 0xd6, 0x76, 0x4d, 0x81, 0xd8, +0xd2, 0xa6, 0x18, 0x82, 0x36, 0x40, 0x97, 0x31, +0xd9, 0x88, 0xdf, 0xaf, 0x05, 0x3a, 0x4b, 0x4e, +0x1b, 0x4a, 0x76, 0x6f, 0xb9, 0x6c, 0x18, 0x5d, +0xd5, 0x98, 0xf0, 0xf1, 0xbe, 0x0a, 0xd9, 0x57, +0x85, 0xc6, 0xc9, 0x63, 0xb3, 0xf5, 0x21, 0x26, +0x07, 0xba, 0x6a, 0x05, 0xfb, 0x5a, 0x06, 0x87, +0x2a, 0x30, 0x3f, 0xa9, 0xea, 0xab, 0x0e, 0x50, +0x70, 0x3b, 0x7e, 0xd4, 0xd2, 0x8c, 0xf3, 0xa1, +0xcf, 0x9a, 0x6c, 0x6b, 0xcf, 0x9b, 0x1b, 0x2a, +0x97, 0x6a, 0x3c, 0x38, 0x40, 0x43, 0xb1, 0x97, +0x19, 0x07, 0x64, 0x11, 0x94, 0x73, 0x14, 0xc9, +0xa3, 0xfe, 0x7f, 0xf6, 0x64, 0x23, 0x73, 0xe3, +0x76, 0xce, 0xf7, 0xf4, 0x2f, 0x6c, 0x9d, 0x0a, +0xf6, 0x39, 0xe6, 0x1d, 0xb2, 0x17, 0x29, 0x39, +0x98, 0x52, 0xda, 0xe0, 0x31, 0xa1, 0xfa, 0x85, +0x52, 0xc2, 0x60, 0xb5, 0x11, 0x42, 0xc6, 0x9b, +0x55, 0xd8, 0x40, 0x37, 0xf7, 0xdb, 0x01, 0x6a, +0xd5, 0x26, 0x3b, 0x27, 0x07, 0x20, 0xf7, 0x58, +0xd5, 0xa4, 0x1c, 0xe6, 0x2f, 0x74, 0x14, 0x6e, +0xa4, 0xe8, 0xc8, 0xe8, 0x9a, 0x39, 0x6d, 0xde, +0x7f, 0x67, 0x65, 0x40, 0x68, 0x26, 0x65, 0x62, +0x95, 0x87, 0x45, 0x62, 0x0d, 0x8d, 0x42, 0xad, +0x3b, 0x4f, 0xd3, 0x8f, 0x58, 0xcb, 0x61, 0x46, +0xc9, 0x3d, 0x7d, 0x75, 0x3c, 0x6d, 0xac, 0xdf, +0x53, 0xf4, 0x66, 0x9e, 0x14, 0x82, 0xc7, 0xd1, +0xd0, 0xec, 0x92, 0x24, 0x97, 0x1e, 0xc9, 0x7a, +0xfd, 0x8f, 0x75, 0xe2, 0xfd, 0x7e, 0x07, 0x44, +0x46, 0x56, 0x64, 0x9b, 0x1b, 0x17, 0xfa, 0xd6, +0xf5, 0xdb, 0xc9, 0x27, 0x3b, 0x60, 0x27, 0x2f, +0x84, 0xd7, 0xac, 0x7f, 0xf3, 0xa7, 0x16, 0x31, +0xfa, 0x19, 0x54, 0x57, 0x98, 0xb5, 0xdb, 0x9c, +0xc3, 0xb5, 0x55, 0x72, 0x98, 0x2f, 0x56, 0x33, +0x7c, 0x38, 0x1f, 0xb4, 0x8c, 0x94, 0x1a, 0x6a, +0x26, 0x8a, 0x84, 0xfc, 0x8d, 0xb1, 0x49, 0xbb, +0x6d, 0x11, 0x36, 0xc9, 0x05, 0x57, 0x87, 0xd2, +0xdb, 0xd3, 0xe3, 0xea, 0x08, 0xb2, 0x9f, 0x44, +0x85, 0xd7, 0xd4, 0x96, 0x25, 0xeb, 0x2b, 0xca, +0x86, 0x0f, 0x33, 0x69, 0xc4, 0xda, 0x98, 0x68, +0x21, 0xad, 0xd8, 0xc4, 0x4e, 0x46, 0x33, 0x43, +0xad, 0xe7, 0xfe, 0x58, 0x10, 0x00, 0x76, 0x3c, +0xd4, 0x14, 0x5a, 0x74, 0x43, 0x04, 0xc3, 0xdd, +0x46, 0xc3, 0xe0, 0x4b, 0x46, 0xb5, 0x84, 0xcb, +0xe6, 0x40, 0x71, 0xdf, 0x50, 0x16, 0x5f, 0xf0, +0x0f, 0xc5, 0x9c, 0x50, 0x64, 0xe0, 0x64, 0x1c, +0x58, 0x87, 0xae, 0x91, 0x9c, 0xb6, 0x57, 0x77, +0xf0, 0xc4, 0x3e, 0xcf, 0xb6, 0xc5, 0x10, 0x0c, +0xea, 0x5b, 0xcc, 0xaf, 0xee, 0x7b, 0x15, 0x4e, +0x4e, 0x3c, 0x29, 0x9c, 0xf8, 0xe6, 0x59, 0xca, +0xaf, 0x48, 0x12, 0x99, 0x76, 0xde, 0x54, 0xe2, +0x75, 0x62, 0x31, 0x17, +}; + +#define SIG_LEN 128 +#define HASH_LEN 20 + +const unsigned char fakeAlgOID[] = { +0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x01,0x05 +}; + +const unsigned char fakeG3Cert[] = { +0x01,0x00,0x00,0x00, +0x1c,0x00,0x00,0x00, +0x01,0x08,0x00,0x00, +0x10,0x0a,0x00,0x00, +0x00,0x00,0x00,0x00, +0x00,0x04,0x00,0x00, +0x01,0x00,0x01,0x00, +0x19,0xfc,0xb6,0x7b,0x4e,0xa8,0xd7,0xb1,0xeb,0xf9,0x19,0x28,0x07,0x7f,0x47,0x4c, +0xe1,0x9f,0xbe,0x01,0x15,0x5c,0xea,0xda,0xc3,0xd1,0x59,0x3c,0x75,0xed,0x00,0x7b, +0x22,0x67,0x22,0xd6,0xd3,0xee,0xc2,0x04,0xdf,0x47,0xc4,0x85,0xc0,0x56,0xa4,0x8d, +0xf3,0xf0,0xcf,0x00,0x9d,0xd2,0x03,0xc1,0x23,0x3f,0xc8,0x9f,0xef,0xfe,0xea,0x50, +0x33,0x6b,0xbe,0x74,0x1a,0xa3,0x3c,0x13,0xa2,0xc5,0xf6,0x75,0x88,0x1d,0x3f,0xba, +0xff,0x0d,0x47,0xab,0xbe,0xfe,0x42,0xd3,0xea,0xe2,0xe2,0xb0,0x06,0xd7,0x88,0xf8, +0x1d,0x93,0xdf,0x86,0xbd,0xd8,0xa8,0x5f,0x2b,0xe3,0x97,0x41,0xa1,0xc6,0x1d,0x69, +0xe9,0x88,0xdf,0x87,0xbb,0x1b,0xff,0x31,0x82,0xae,0x8a,0x69,0x31,0xca,0xc3,0x90, +0x0f,0x0d,0x22,0xa3,0xcf,0x8d,0xcc,0x23,0x03,0x10,0xed,0x74,0x8e,0x13,0x74,0x49, +0x9d,0x9a,0x1c,0xf2,0x57,0x2d,0x18,0x89,0x6d,0xb8,0xcc,0xab,0xcf,0xd9,0xd8,0x0e, +0x46,0x68,0x98,0xa3,0x81,0x5d,0x18,0xe8,0x4d,0x03,0x96,0x14,0xc5,0xaf,0x21,0x91, +0xb7,0x8c,0x97,0xa1,0x85,0xde,0x85,0x78,0xa8,0xd7,0x25,0x20,0x9b,0x2b,0x98,0x36, +0xd5,0xfe,0x14,0x9b,0x5d,0xe3,0x78,0xf4,0xd6,0xb2,0x15,0xc9,0xfd,0x13,0x77,0x7b, +0x8a,0x5e,0x9e,0x85,0xff,0x53,0x6d,0x24,0x5d,0xc9,0x52,0x16,0x98,0x18,0xb1,0xaf, +0xe1,0x6a,0xd6,0xe8,0xa9,0x7c,0x78,0x8e,0x9f,0x79,0x21,0xa1,0xde,0xf4,0xaf,0x9c, +0xd4,0x61,0x52,0xf9,0xe7,0xfc,0xd7,0x10,0x1b,0x91,0x66,0x14,0x26,0xfd,0xda,0xee, +0xe5,0xd9,0x4c,0xb7,0x9d,0x6d,0x17,0xf8,0xc2,0x21,0xb4,0x34,0x08,0x0c,0x44,0x79, +0x53,0x9c,0x81,0xbf,0x1f,0x22,0x0a,0xa6,0xe7,0x22,0x5f,0x5c,0xcb,0x31,0x2e,0xf5, +0x0c,0x1a,0xf1,0x67,0x13,0x7f,0xe6,0xb3,0xb2,0xfe,0x6b,0x09,0xac,0xa6,0xd4,0x14, +0xe7,0xe9,0x11,0x0e,0x49,0x99,0x06,0x04,0xa4,0x43,0x22,0xec,0x9f,0x59,0x83,0xfb, +0xef,0xa3,0x8f,0x6b,0xde,0x70,0x0c,0xbb,0x89,0xe9,0x88,0xbc,0xeb,0x36,0x42,0x42, +0x50,0x84,0xf5,0x93,0x98,0x93,0xed,0xa2,0x1f,0x13,0x60,0x36,0xc8,0x2f,0x9f,0xd1, +0xc4,0x23,0xf6,0xd0,0x49,0x40,0xab,0xbe,0xf7,0x43,0x02,0x96,0xf0,0x74,0xa5,0x7d, +0x68,0x89,0xfa,0x58, 0xad, 0x7b, 0x2f, 0x7d, 0xe8, 0x21, 0x34, 0x5e, 0x6c, 0x20, +0x97, 0x9e +}; + +const unsigned char fakeSig[] = { +0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10, +0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10, +0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10, +0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10, +0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10, +0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10, +0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10, +0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10 +}; + +static void +dumpBytes( const char *title, const unsigned char *data, int len, int nonewline ); + +static int +rsa_sign( + const char *keyFile, + unsigned char *plain, + unsigned plainLength, + unsigned char signature[SIG_LEN] ) +{ + int rc = -1; + FILE *fp = NULL; + RSA *rsa = NULL; + unsigned signatureLength = 0; + + fp = fopen ( (char*) keyFile, "r" ); + if ( !fp ) { + fprintf( stderr, "failed to open file=%s\n", keyFile ); + goto cleanup; + } + rsa = RSA_new(); + if ( !rsa ) { + fprintf( stderr, "RSA_new() failed\n" ); + goto cleanup; + } + rsa = (RSA*)PEM_read_RSAPrivateKey( fp, &rsa, NULL, NULL ); + if ( !rsa ) { + fprintf( stderr, "PEM_read_RSAPrivateKey() failed\n" ); + goto cleanup; + } + signatureLength = SIG_LEN; + char sha1[20] = {}; + (void) SHA1( plain, plainLength, (unsigned char*)sha1 ); + rc = RSA_sign( NID_sha1, (unsigned char*)sha1, sizeof( sha1), + signature, &signatureLength, rsa ); + if ( rc != 1 ) { + fprintf(stderr, "RSA_sign failed=%d\n", rc ); + rc = -1; + goto cleanup; + } else { + rc = 0; + } + +cleanup: + if ( fp ) fclose( fp ); + RSA_free( rsa ); + return rc; +} + +static int +rsa_verify( + const char *keyFile, + unsigned char *plain, + unsigned plainLength, + unsigned char signature[SIG_LEN] ) +{ + int rc = -1; + FILE *fp = NULL; + RSA *rsa = NULL; + unsigned signatureLength = 0; + + fp = fopen ( (char*) keyFile, "r" ); + if ( !fp ) { + fprintf( stderr, "failed to open file=%s\n", keyFile ); + goto cleanup; + } + rsa = RSA_new(); + if ( !rsa ) { + fprintf( stderr, "RSA_new() failed\n" ); + goto cleanup; + } + rsa = (RSA*)PEM_read_RSAPrivateKey( fp, &rsa, NULL, NULL ); + if ( !rsa ) { + fprintf( stderr, "PEM_read_RSAPrivateKey() failed\n" ); + goto cleanup; + } + signatureLength = SIG_LEN; + char sha1[20] = {}; + (void) SHA1( plain, plainLength, (unsigned char*)sha1 ); + rc = RSA_verify( NID_sha1, (unsigned char*)sha1, sizeof( sha1 ), + signature, signatureLength, rsa ); + if ( rc != 1 ) { + fprintf(stderr, "RSA_verify failed=%d\n", rc ); + rc = -1; + goto cleanup; + } else { + rc = 0; + } + +cleanup: + if ( fp ) fclose( fp ); + RSA_free( rsa ); + return rc; + return rc; +} + +static void +dumpBytes( const char *title, const unsigned char *data, int len, int nonewline ) +{ + int width = 16; + int line = 0; + int multiple = 0; + + multiple = ( len % width == 0 ); + + printf( "[%s: %d bytes]\n", title, len ); + while ( len-- > 0 ) { + line++; + printf( "%02X ", *data++ ); + if ( line % width == 0 && len > 0 && !nonewline ) { + printf( "\n" ); + } + } + + printf("\n"); +} + +static void +readFile(char *filename, unsigned char **data, unsigned *len) +{ + int size = 0; + FILE *file = NULL; + if ((file = fopen(filename, "r")) == NULL) { + fprintf(stderr, "could not open file=%s", filename); + return; + } + fseek(file, 0, SEEK_END); + size = ftell(file); + *len = size; + *data = (unsigned char*)malloc(*len); + if (!*data) { + fprintf(stderr, "Out of memory"); + fclose(file); + return; + } + rewind(file); + (void)fread(*data, size, 1, file); + fclose(file); +} + +static void +writeFile( char* filename, unsigned char* buf, int len ) +{ + FILE *file = NULL; + file = fopen( filename, "w" ); + if ( file ) { + fwrite( buf, len, 1, file ); + fclose( file ); + } +} + + +static void +verify_bb_ticket( + unsigned char *ticketData, + unsigned ticketLength, + const char *keyFile, + bool doPrint ) +{ + if ( doPrint ) { + dumpBytes( "Ticket (whole)", ticketData, ticketLength, 0 ); + printf( "\nBreakdown:\n" ); + } + + DERItem derTicket = { .data = ticketData, .length = ticketLength }; + DERReturn drtn; + DERBbTicket ticket = {}; + DERSize ticketSize; + drtn = DERDecodeBbTicket(&derTicket, &ticket, &ticketSize); + if (drtn != DR_Success) goto badTicket; + fprintf( stderr, "ticketSize=%u\n", ticketSize ); + + // Verify signature if key file exists (we should really use the certificate or GPUK in the ticket here. */ + if ( keyFile ) { + int status = rsa_verify( + keyFile, + (unsigned char *)ticket.body.data, + ticket.body.length, + (unsigned char *)ticket.signature.data ); + if ( status ) { + fprintf( stderr, "rsa_verify failed=%d\n", status ); + } else { + fprintf( stdout, "Signature verified successfully\n"); + } + } + + /* Example of how to retrive fields from ticket. */ + DERItem snum; + drtn = DERSetDecodeItemWithTag(&ticket.body, + ASN1_CONTEXT_SPECIFIC | kBbSNUMTag, &snum); + if (drtn != DR_Success) goto badTicket; + DERItem chipId; + drtn = DERSetDecodeItemWithTag(&ticket.body, + ASN1_CONTEXT_SPECIFIC | kBbChipIDTag, &chipId); + if (drtn != DR_Success) goto badTicket; + + return; +badTicket: + fprintf( stdout, "Bad ticket\n"); + return; +} + +static void +verify_ticket_file( + const char *ticketFile, + const char *keyFile ) +{ + unsigned char *ticket = NULL; + unsigned ticketLength = 0; + readFile( (char*)ticketFile, &ticket, &ticketLength ); + verify_bb_ticket( ticket, ticketLength, keyFile, false ); +} + +static void +make_sample_ap_ticket( void ) +{ + unsigned char chipId[] = { 0x01, 0x02, 0x03, 0x04 }; + unsigned char ecid[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 }; + + DERApTicket ticket = { }; + + /* Encode the signatureAlgorithm field of the ticket. */ + DERAlgorithmId algorithmId = { .oid = oidSha1Rsa, .params = {} }; + ticket.signatureAlgorithm.length = DERLengthOfEncodedSequence( + ASN1_CONSTR_SEQUENCE, &algorithmId, DERNumAlgorithmIdItemSpecs, + DERAlgorithmIdItemSpecs); + ticket.signatureAlgorithm.data = malloc(ticket.signatureAlgorithm.length); + DEREncodeSequence(ASN1_CONSTR_SEQUENCE, &algorithmId, DERNumAlgorithmIdItemSpecs, DERAlgorithmIdItemSpecs, ticket.signatureAlgorithm.data, &ticket.signatureAlgorithm.length); + + /* Construct ticket body. */ + DERSize numBodyItemSpecs = 0; + DERItemSpec bodyItemSpecs[50] = {}; + DERItem bodyItems[50] = {}; + + /* Add tags in sorted order. */ + bodyItemSpecs[numBodyItemSpecs].offset = numBodyItemSpecs * sizeof(DERItem); + bodyItemSpecs[numBodyItemSpecs].tag = ASN1_CONTEXT_SPECIFIC | kApECIDTag; + bodyItemSpecs[numBodyItemSpecs].options = DER_ENC_NO_OPTS; + bodyItems[numBodyItemSpecs].data = ecid; + bodyItems[numBodyItemSpecs].length = sizeof(ecid); + numBodyItemSpecs++; + + bodyItemSpecs[numBodyItemSpecs].offset = numBodyItemSpecs * sizeof(DERItem); + bodyItemSpecs[numBodyItemSpecs].tag = ASN1_CONTEXT_SPECIFIC | kApChipIDTag; + bodyItemSpecs[numBodyItemSpecs].options = DER_ENC_NO_OPTS; + bodyItems[numBodyItemSpecs].data = chipId; + bodyItems[numBodyItemSpecs].length = sizeof(chipId); + numBodyItemSpecs++; + + /* Encode ticket body. */ + ticket.body.length = DERLengthOfEncodedSequence(ASN1_CONSTR_SET, + &bodyItems, numBodyItemSpecs, bodyItemSpecs); + ticket.body.data = malloc(ticket.body.length); + DEREncodeSequence(ASN1_CONSTR_SET, &bodyItems, numBodyItemSpecs, + bodyItemSpecs, ticket.body.data, &ticket.body.length); + + // Signature + ticket.signature.data = (DERByte *)fakeSig; + ticket.signature.length = sizeof(fakeSig); + + // Certificates + DERItemSpec certItemSpecs[1]; + DERItem certItems[1]; + certItemSpecs[0].offset = 0; + certItemSpecs[0].tag = ASN1_CONSTR_SEQUENCE; + certItemSpecs[0].options = DER_ENC_WRITE_DER; + + // NOTE: The Certificate should be added to the ticket by the host. I'm just simulating that here + // to generate the final ticket blob. + readFile("S5L8920_TATSU_FAC_DARWIN_DEV_CHAIN.der", &certItems[0].data, &certItems[0].length); + + ticket.certificates.length = DERLengthOfEncodedSequence( + ASN1_CONSTRUCTED | ASN1_CONTEXT_SPECIFIC | 1, &certItems, + 1, certItemSpecs); + ticket.certificates.data = malloc(ticket.certificates.length); + DEREncodeSequence(ASN1_CONSTRUCTED | ASN1_CONTEXT_SPECIFIC | 1, &certItems, + 1, certItemSpecs, ticket.certificates.data, &ticket.certificates.length); + + /* Encode the entire ticket. */ + DERSize ticketLength = DERLengthOfEncodedSequence(ASN1_CONSTR_SEQUENCE, + &ticket, DERNumApTicketItemSpecs, DERApTicketItemSpecs); + DERByte *ticketBytes = malloc(ticketLength); + DEREncodeSequence(ASN1_CONSTR_SEQUENCE, &ticket, DERNumApTicketItemSpecs, DERApTicketItemSpecs, + ticketBytes, &ticketLength); + + // save ticket to file + writeFile("ApTicket.bin", ticketBytes, ticketLength); + +//cleanup: + free(ticket.body.data); + free(ticket.signatureAlgorithm.data); + free(ticket.certificates.data); + free(ticketBytes); +} + +static void +make_sample_bb_ticket( void ) +{ + int status = 0; + unsigned char chipId[] = { 0x01, 0x02, 0x03, 0x04 }; + unsigned char snum[] = { 0x01, 0x02, 0x03, 0x04 }; + unsigned char signature[SIG_LEN] = {}; + DERByte *ticketBytes = NULL; + + DERBbTicket ticket = {}; + + /* Encode the signatureAlgorithm field of the ticket. */ + DERAlgorithmId algorithmId = { .oid = oidSha1Rsa }; + ticket.signatureAlgorithm.length = DERLengthOfEncodedSequence( + ASN1_CONSTR_SEQUENCE, &algorithmId, DERNumAlgorithmIdItemSpecs, + DERAlgorithmIdItemSpecs); + ticket.signatureAlgorithm.data = malloc(ticket.signatureAlgorithm.length); + DEREncodeSequence(ASN1_CONSTR_SEQUENCE, &algorithmId, + DERNumAlgorithmIdItemSpecs, DERAlgorithmIdItemSpecs, + ticket.signatureAlgorithm.data, &ticket.signatureAlgorithm.length); + + /* Construct ticket body. */ + DERSize numBodyItemSpecs = 0; + DERItemSpec bodyItemSpecs[50] = {}; + DERItem bodyItems[50] = {}; + + /* Add tags in sorted order. */ + bodyItemSpecs[numBodyItemSpecs].offset = numBodyItemSpecs * sizeof(DERItem); + bodyItemSpecs[numBodyItemSpecs].tag = ASN1_CONTEXT_SPECIFIC | kBbSNUMTag; + bodyItemSpecs[numBodyItemSpecs].options = DER_ENC_NO_OPTS; + bodyItems[numBodyItemSpecs].data = snum; + bodyItems[numBodyItemSpecs].length = sizeof(snum); + numBodyItemSpecs++; + + bodyItemSpecs[numBodyItemSpecs].offset = numBodyItemSpecs * sizeof(DERItem); + bodyItemSpecs[numBodyItemSpecs].tag = ASN1_CONTEXT_SPECIFIC | kBbChipIDTag; + bodyItemSpecs[numBodyItemSpecs].options = DER_ENC_NO_OPTS; + bodyItems[numBodyItemSpecs].data = chipId; + bodyItems[numBodyItemSpecs].length = sizeof(chipId); + numBodyItemSpecs++; + + /* Encode ticket body. */ + ticket.body.length = DERLengthOfEncodedSequence(ASN1_CONSTR_SET, + &bodyItems, numBodyItemSpecs, bodyItemSpecs); + ticket.body.data = malloc(ticket.body.length); + DEREncodeSequence(ASN1_CONSTR_SET, &bodyItems, numBodyItemSpecs, bodyItemSpecs, + ticket.body.data, &ticket.body.length); + + // NOTE: In the SEE machine, the Body above will then be hashed/signed to generate signature + status = rsa_sign( + "G1_GPrK.pem", + ticket.body.data, + ticket.body.length, + (unsigned char *)signature ); + if ( status ) { + fprintf( stderr, "rsa_sign failed=%d\n", status ); + goto cleanup; + } else { + fprintf( stdout, "Signed successfully\n"); + } + + status = rsa_verify( + "G1_GPrK.pem", + ticket.body.data, + ticket.body.length, + (unsigned char *)signature ); + if ( status ) { + fprintf( stderr, "rsa_verify failed=%d\n", status ); + goto cleanup; + } else { + fprintf( stdout, "Signature verified successfully\n"); + } + + // Signature + ticket.signature.data = signature; + ticket.signature.length = SIG_LEN; + + // Certificates + ticket.gpuk.length = sizeof(GoldKeyCert); + ticket.gpuk.data = (DERByte *)GoldKeyCert; + + /* Encode the entire ticket. */ + DERSize ticketLength = DERLengthOfEncodedSequence(ASN1_CONSTR_SEQUENCE, + &ticket, DERNumBbTicketItemSpecs, DERBbTicketItemSpecs); + ticketBytes = malloc(ticketLength); + DEREncodeSequence(ASN1_CONSTR_SEQUENCE, &ticket, DERNumBbTicketItemSpecs, + DERBbTicketItemSpecs, ticketBytes, &ticketLength); + + // save ticket to file + writeFile("BbTicket.bin", ticketBytes, ticketLength); + +cleanup: + free(ticket.body.data); + free(ticket.signatureAlgorithm.data); + free(ticketBytes); +} + +static void +long_tag_test(void) +{ + printf("ASN1_TAG_MASK 0x%.016qx\n", (uint64_t)ASN1_TAG_MASK); + printf("ASN1_TAGNUM_MASK 0x%.016qx\n", (uint64_t)ASN1_TAGNUM_MASK); + printf("ASN1_METHOD_MASK 0x%.016qx\n", (uint64_t)ASN1_METHOD_MASK); + printf("ASN1_PRIMITIVE 0x%.016qx\n", (uint64_t)ASN1_PRIMITIVE); + printf("ASN1_CONSTRUCTED 0x%.016qx\n", (uint64_t)ASN1_CONSTRUCTED); + printf("ASN1_CLASS_MASK 0x%.016qx\n", (uint64_t)ASN1_CLASS_MASK); + printf("ASN1_UNIVERSAL 0x%.016qx\n", (uint64_t)ASN1_UNIVERSAL); + printf("ASN1_APPLICATION 0x%.016qx\n", (uint64_t)ASN1_APPLICATION); + printf("ASN1_CONTEXT_SPECIFIC 0x%.016qx\n", (uint64_t)ASN1_CONTEXT_SPECIFIC); + printf("ASN1_PRIVATE 0x%.016qx\n", (uint64_t)ASN1_PRIVATE); + + DERByte buf[10]; + DERSize len = sizeof(buf); + DERReturn drtn; + DERTag tag = ASN1_CONTEXT_SPECIFIC | ASN1_TAGNUM_MASK; + drtn = DEREncodeItem(tag, 0, 0, buf, &len); + if (drtn) + { + printf("DEREncodeItem: %u\n", drtn); + } + DERItem der = { .data = buf, .length = len }; + + dumpBytes("tlv", buf, len, 0); + + DERDecodedInfo decoded; + drtn = DERDecodeItem(&der, &decoded); + if (drtn) + { + printf("DERDecodeItem: %u\n", drtn); + } + if (decoded.tag != tag) + { + printf("DERDecodeItem tag: 0x%qx != 0x%qx\n", (uint64_t)decoded.tag, (uint64_t)tag); + } + printf("DERDecodeItem tag: 0x%qx encoded in %u bytes, decoded length: %u\n", + (uint64_t)tag, len, decoded.content.length); +} + +int main(int argc, char **argv) +{ + long_tag_test(); + printf( "=> Making sample BB ticket...\n"); + make_sample_bb_ticket(); + printf( "=> Making sample AP ticket...\n"); + make_sample_ap_ticket(); + printf( "=> Verifying signature in bb_ticket.bin ...\n"); + verify_ticket_file( "bb_ticket.bin", "G1_GPrK.pem" ); + return 0; +}