From d8887a0e443bff244874393e2d58821bf356e3bb Mon Sep 17 00:00:00 2001 From: root Date: Sun, 9 Jan 2011 13:25:56 -0500 Subject: first commit --- make_self_npdrm/make_self.c | 607 ++++++++++++++++++++++++++++++++++++++++++++ make_self_npdrm/makefile | 5 + 2 files changed, 612 insertions(+) create mode 100755 make_self_npdrm/make_self.c create mode 100755 make_self_npdrm/makefile (limited to 'make_self_npdrm') diff --git a/make_self_npdrm/make_self.c b/make_self_npdrm/make_self.c new file mode 100755 index 0000000..1023743 --- /dev/null +++ b/make_self_npdrm/make_self.c @@ -0,0 +1,607 @@ +// make_self_npdrm by geohot +// part of geohot's awesome tools for the PS3 +// released under GPLv3, see http://gplv3.fsf.org/ + +#include +#include +#include + +#include +#include + +#include +#include +#include "zlib.h" + +#include "../include/ps3_common.h" +#include "../include/elf.h" +#include "../include/keys.h" +#include "../include/oddkeys.h" +#include "../include/sha1_hmac.h" + +#include "../include/self.h" + +#include "../include/aes_omac.h" + +//#define NO_CRYPT +#define NPDRM +//#define SPRX + +#ifdef NPDRM +#define KEY(SUFFIX) npdrm_##SUFFIX +#else +#define KEY(SUFFIX) appold_##SUFFIX +#endif + +u8 nubpadding_static[] = { + 0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +#ifdef SPRX + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7B,0x00,0x00,0x00,0x01,0x00,0x02,0x00,0x00 +#else +#ifdef NPDRM +// this broke lv2diag.self + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3B,0x00,0x00,0x00,0x01,0x00,0x00,0x20,0x00 +#else + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3B,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00 +#endif +#endif +}; + // 0x1B in retail + // 0x3B in lv2diag + +u8 cflags_static[] = { + 0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01, + 0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + //0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +#ifndef NPDRM + 0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x62,0x7C,0xB1,0x80,0x8A,0xB9,0x38,0xE3,0x2C,0x8C,0x09,0x17,0x08,0x72,0x6A,0x57, + 0x9E,0x25,0x86,0xE4,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +#else + 0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01, + 0x62,0x7C,0xB1,0x80,0x8A,0xB9,0x38,0xE3,0x2C,0x8C,0x09,0x17,0x08,0x72,0x6A,0x57, + 0x9E,0x25,0x86,0xE4,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x5D,0xC0, +#endif +}; + +u8 sdkversion_static[] = { + 0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x00,0x00,0x00 + //0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x00 +}; + + +AES_KEY aes_key; + +u8* input_elf_data; + +#define ZLIB_LEVEL 6 +#define DEFLATION_BUFFER_SIZE 0x1000000 +u8 def_buffer[DEFLATION_BUFFER_SIZE]; + +int def(u8 *source, int source_size, u8 *dest, int* dest_size) { + int ret; + unsigned have; + z_stream strm; + + /* allocate inflate state */ + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + strm.avail_in = source_size; + strm.next_in = source; + strm.avail_out = *dest_size; + strm.next_out = dest; + ret = deflateInit(&strm, ZLIB_LEVEL); + if(ret != Z_OK) + return ret; + + ret = deflate(&strm, Z_FINISH); + (*dest_size) -= strm.avail_out; + + (void)deflateEnd(&strm); + return ret == Z_STREAM_END ? Z_OK : Z_DATA_ERROR; +} + +void init_Self_Shdr(Self_Shdr* hdr) { + set_u32(&(hdr->s_magic), 0x53434500); + set_u32(&(hdr->s_hdrversion), 2); +#ifdef SPRX + // on 3.41 + //set_u16(&(hdr->s_flags), 4); + // on 3.55 + set_u16(&(hdr->s_flags), 7); +#else + set_u16(&(hdr->s_flags), 1); +#endif + set_u16(&(hdr->s_hdrtype), 1); +} + +void init_Self_Ihdr(Self_Ihdr* hdr) { +#ifdef NPDRM + set_u64(&(hdr->i_authid), 0x1010000001000003LL); + set_u32(&(hdr->i_apptype), 8); +#else +#ifdef SPRX + set_u64(&(hdr->i_authid), 0x1070000052000001LL); +#else + //set_u64(&(hdr->i_authid), 0x10700003FD000001LL); + set_u64(&(hdr->i_authid), 0x10700003FF000001LL); +#endif + set_u32(&(hdr->i_apptype), 4); +#endif + //set_u64(&(hdr->i_authid), 0x1070000500000001LL); + + set_u32(&(hdr->i_magic), 0x01000002); + set_u64(&(hdr->i_version), 0x0003005500000000LL); + //set_u64(&(hdr->i_version), 0x0003004000000000LL); + //set_u64(&(hdr->i_version), 0x0003000000000000LL); + //set_u64(&(hdr->i_version), 0x0001004000001000LL); + //set_u64(&(hdr->i_version), 0x0001000000000000LL); +} + +void init_Self_Ehdr(Self_Ehdr* hdr) { + set_u64(&(hdr->e_magic), 3); +#ifdef NPDRM + set_u64(&(hdr->e_cfsize), sizeof(Self_Cflags)+sizeof(Self_NPDRM)); +#else + set_u64(&(hdr->e_cfsize), sizeof(Self_Cflags)); +#endif +} + +int input_elf_len; + +void read_elf_file(char* filename) { + FILE *input_elf_file = fopen(filename, "rb"); + fseek(input_elf_file, 0, SEEK_END); + input_elf_len = ftell(input_elf_file); + fseek(input_elf_file, 0, SEEK_SET); + input_elf_data = (u8*)malloc(input_elf_len); + fread(input_elf_data, 1, input_elf_len, input_elf_file); + fclose(input_elf_file); +} + +gmp_randstate_t r_state; + +Elf64_Ehdr* input_elf_header; +Self_Segment first_segment; + +u8 zero_padding[0x10000]; + +void enumerate_segments() { + int i,num; + size_t countp; + u8 ecount_buf[0x10],iv[0x10]; + Self_Segment* segment_ptr = &first_segment; + Elf64_Phdr* elf_segment = (Elf64_Phdr*)(&input_elf_data[get_u64(&(input_elf_header->e_phoff))]); + + mpz_t riv, erk, hmac; + mpz_init(riv); mpz_init(erk); mpz_init(hmac); + + for(i=0;ie_phnum));i++) { + + memset(segment_ptr, 0, sizeof(Self_Segment)); + +// these are choices you can make + /*segment_ptr->compressed = (i<2); + segment_ptr->incrypt = (i<6); // **TESTING + segment_ptr->encrypted = (i<5);*/ + +#ifdef NPDRM + segment_ptr->encrypted = (i<5); + segment_ptr->compressed = (i<4); + segment_ptr->incrypt = (i<7); +#else + segment_ptr->encrypted = 1; + segment_ptr->compressed = 1; + segment_ptr->incrypt = 1; +#endif + + set_u32(&(segment_ptr->enc_segment.segment_number), i); + + set_u32(&(segment_ptr->enc_segment.unknown2), 2); + set_u32(&(segment_ptr->enc_segment.unknown3), 3); + + mpz_urandomb(hmac, r_state, 512); + mpz_export(segment_ptr->crypt_segment.hmac, &countp, 1, 0x40, 1, 0, hmac); + + if(segment_ptr->encrypted) { + mpz_urandomb(erk, r_state, 128); + mpz_urandomb(riv, r_state, 128); + mpz_export(segment_ptr->crypt_segment.erk, &countp, 1, 0x10, 1, 0, erk); + mpz_export(segment_ptr->crypt_segment.riv, &countp, 1, 0x10, 1, 0, riv); + } + + segment_ptr->rlen = get_u64(&(elf_segment->p_filesz)); + + u32 in_data_offset = get_u64(&(elf_segment->p_offset)); + u8* in_data = &input_elf_data[in_data_offset]; + + if(segment_ptr->compressed) { + int def_size = DEFLATION_BUFFER_SIZE; + printf("deflated...", def(in_data, segment_ptr->rlen, def_buffer, &def_size)); fflush(stdout); + segment_ptr->len = def_size; + segment_ptr->data = (u8*)malloc(segment_ptr->len); + memcpy(segment_ptr->data, def_buffer, def_size); + } else { + segment_ptr->len = segment_ptr->rlen; + segment_ptr->data = (u8*)malloc(segment_ptr->len); + memcpy(segment_ptr->data, in_data, segment_ptr->len); + } + + /*if(i==0) { + segment_ptr->padding = 0x26A4; + } else if(i==1) { + segment_ptr->padding = 0xC; + } else { + segment_ptr->padding = 0; + }*/ + + segment_ptr->padding = (0x10-(segment_ptr->len&0xF))&0xF; + +// hacks to make it match + /*if(segment_ptr->len == 0x14BCC8) { + segment_ptr->padding += 0x4330; + }*/ + + printf("processing segment %d with rlen %x len %x offset %x...", i, segment_ptr->rlen, segment_ptr->len, in_data_offset); fflush(stdout); + + //hexdump((u8*)elf_segment, sizeof(Elf64_Phdr)); + + set_u64(&(segment_ptr->enc_segment.segment_size), segment_ptr->len); + set_u32(&(segment_ptr->enc_segment.segment_crypt_flag), 1+segment_ptr->encrypted); + set_u32(&(segment_ptr->enc_segment.segment_compressed_flag), 1+segment_ptr->compressed); + + set_u64(&(segment_ptr->pmhdr.pm_size), segment_ptr->len); + set_u32(&(segment_ptr->pmhdr.pm_compressed), 1+segment_ptr->compressed); + set_u32(&(segment_ptr->pmhdr.pm_encrypted), segment_ptr->encrypted); + +// compute sha1 + SHA_CTX c; + SHA1_ghetto_init(&c, segment_ptr->crypt_segment.hmac); + SHA1_Update(&c, segment_ptr->data, segment_ptr->len); + SHA1_ghetto_final(segment_ptr->crypt_segment.sha1, &c, segment_ptr->crypt_segment.hmac); + + if(segment_ptr->encrypted) { + printf("encrypted..."); fflush(stdout); + memset(ecount_buf, 0, 16); num=0; + AES_set_encrypt_key(segment_ptr->crypt_segment.erk, 128, &aes_key); + memcpy(iv, segment_ptr->crypt_segment.riv, 16); +#ifndef NO_CRYPT + AES_ctr128_encrypt(segment_ptr->data, segment_ptr->data, segment_ptr->len, &aes_key, iv, ecount_buf, &num); +#endif + } + + if(i != get_u16(&(input_elf_header->e_phnum))-1) { + segment_ptr->next_segment = malloc(sizeof(Self_Segment)); + } + elf_segment += 1; // 1 is sizeof(Elf64_Phdr) + segment_ptr = segment_ptr->next_segment; + printf("\n"); + } +} + +//u8 npdrm_hash_unknown[] = {0xEC,0x7A,0xF2,0x1D,0xD9,0xE6,0x94,0xCA,0x8E,0x4C,0x8C,0x62,0x01,0x8F,0x66,0xF6}; + +void init_Self_NPDRM(Self_NPDRM* npdrm, char* titleid, char* filename) { + set_u32(&npdrm->block_type, 3); + set_u32(&npdrm->block_size, sizeof(Self_NPDRM)); + set_u32(&npdrm->magic, 0x4E504400); + set_u32(&npdrm->unknown3, 1); + set_u32(&npdrm->unknown4, 3); + set_u32(&npdrm->unknown5, 1); + strncpy(npdrm->titleid, titleid, 0x30); + //memcpy(npdrm->hash_unknown, npdrm_hash_unknown, sizeof(npdrm_hash_unknown)); + + char *true_filename = strrchr(filename,'/'); + if(true_filename == NULL) { + true_filename = strrchr(filename,'\\'); + } + if(true_filename == NULL) { + true_filename = filename; + } else { + true_filename++; + } + + u8 npdrm_omac_key[0x10]; int i; + for(i=0;i<0x10;i++) npdrm_omac_key[i] = npdrm_omac_key1[i] ^ npdrm_omac_key2[i]; + + int buf_len = 0x30+strlen(true_filename); + char *buf = (char*)malloc(buf_len); + memcpy(buf, npdrm->titleid, 0x30); + strcpy(buf+0x30, true_filename); + aesOmac1Mode(npdrm->hash1, buf, buf_len, npdrm_omac_key3, sizeof(npdrm_omac_key3)*8); + free(buf); + aesOmac1Mode(npdrm->hash2, (u8*)&(npdrm->magic), 0x60, npdrm_omac_key, sizeof(npdrm_omac_key)*8); +} + +u8 segment_crypt_data[0x2000]; +int segment_crypt_data_len = 0; +void build_segment_crypt_data() { + Self_Segment* segment_ptr; + segment_ptr = &first_segment; + while(segment_ptr != NULL) { + if(segment_ptr->incrypt) { + set_u32(&(segment_ptr->enc_segment.segment_sha1_index), segment_crypt_data_len/0x10); + memcpy(&segment_crypt_data[segment_crypt_data_len], segment_ptr->crypt_segment.sha1, sizeof(segment_ptr->crypt_segment.sha1)); segment_crypt_data_len += sizeof(segment_ptr->crypt_segment.sha1); + memcpy(&segment_crypt_data[segment_crypt_data_len], segment_ptr->crypt_segment.hmac, sizeof(segment_ptr->crypt_segment.hmac)); segment_crypt_data_len += sizeof(segment_ptr->crypt_segment.hmac); + + if(segment_ptr->encrypted) { + set_u32(&(segment_ptr->enc_segment.segment_erk_index), segment_crypt_data_len/0x10); + memcpy(&segment_crypt_data[segment_crypt_data_len], segment_ptr->crypt_segment.erk, sizeof(segment_ptr->crypt_segment.erk)); segment_crypt_data_len += sizeof(segment_ptr->crypt_segment.erk); + set_u32(&(segment_ptr->enc_segment.segment_riv_index), segment_crypt_data_len/0x10); + memcpy(&segment_crypt_data[segment_crypt_data_len], segment_ptr->crypt_segment.riv, sizeof(segment_ptr->crypt_segment.riv)); segment_crypt_data_len += sizeof(segment_ptr->crypt_segment.riv); + } else { + set_u32(&(segment_ptr->enc_segment.segment_erk_index), 0xFFFFFFFF); + set_u32(&(segment_ptr->enc_segment.segment_riv_index), 0xFFFFFFFF); + } + } + segment_ptr = segment_ptr->next_segment; + } +} + +typedef struct { + void* data; + int len; + void* next; +} file_ll; + +file_ll start_file; +file_ll *file_ll_ptr = &start_file; +int running_size; + +void add_file_section(void* data, int len) { + if((file_ll_ptr != &start_file) || (file_ll_ptr->len != 0)) { + file_ll_ptr->next = (file_ll *)malloc(sizeof(file_ll)); + file_ll_ptr = file_ll_ptr->next; + memset(file_ll_ptr, 0, sizeof(file_ll)); + } + file_ll_ptr->data = data; + file_ll_ptr->len = len; + running_size += len; +} + +u8* output_self_data; +void write_self_file_in_memory() { + output_self_data = (u8*)malloc(running_size); + file_ll_ptr = &start_file; + u8* output_self_data_ptr = output_self_data; + while(file_ll_ptr != NULL) { + //printf("adding %X\n", file_ll_ptr->len); + memcpy(output_self_data_ptr, file_ll_ptr->data, file_ll_ptr->len); + output_self_data_ptr += file_ll_ptr->len; + file_ll_ptr = file_ll_ptr->next; + } +} + +int main(int argc, char* argv[]) { + int i; + u8 ecount_buf[0x10], iv[0x10]; + size_t countp; + int num; + Self_Segment* segment_ptr; + + memset(zero_padding, 0, sizeof(zero_padding)); + +#ifdef NPDRM + if(argc < 3) { + printf("usage: %s input.elf output.self \n", argv[0]); + printf(" warning NPDRM cares about the output file name, do not rename\n"); + return -1; + } +#else + if(argc < 2) { + printf("usage: %s input.elf output.self\n", argv[0]); + return -1; + } +#endif + +// init randomness + gmp_randinit_default(r_state); + gmp_randseed_ui(r_state, time(NULL)); + +// read elf file + read_elf_file(argv[1]); + input_elf_header = (Elf64_Ehdr*)input_elf_data; + + printf("ELF header size @ %x\n", get_u16(&(input_elf_header->e_ehsize)) ); + printf("%d program headers @ %llx\n", get_u16(&(input_elf_header->e_phnum)), get_u64(&(input_elf_header->e_phoff))); + printf("%d section headers @ %llx\n", get_u16(&(input_elf_header->e_shnum)), get_u64(&(input_elf_header->e_shoff))); + +// loop through the segments + enumerate_segments(); + printf("segments enumerated\n"); + +// setup self headers + Self_Shdr output_self_header; memset(&output_self_header, 0, sizeof(output_self_header)); + Self_Ehdr output_extended_self_header; memset(&output_extended_self_header, 0, sizeof(output_extended_self_header)); + Self_Ihdr output_self_info_header; memset(&output_self_info_header, 0, sizeof(output_self_info_header)); + + init_Self_Shdr(&output_self_header); + init_Self_Ehdr(&output_extended_self_header); + init_Self_Ihdr(&output_self_info_header); + + set_u64(&output_self_header.s_exsize, input_elf_len); + +// setup segment header + segment_certification_header segment_header; memset(&segment_header, 0, sizeof(segment_header)); + set_u32(&(segment_header.version), 1); + +// NPDRM +#ifdef NPDRM + Self_NPDRM npdrm; memset(&npdrm, 0, sizeof(npdrm)); + init_Self_NPDRM(&npdrm, argv[3], argv[2]); +#endif +// useless bullshit + Self_SDKversion sdkversion; + Self_Cflags cflags; + memcpy(&sdkversion, sdkversion_static, sizeof(Self_SDKversion)); + memcpy(&cflags, cflags_static, sizeof(Self_Cflags)); + +// generate metadata encryption keys + metadata_crypt_header md_header; memset(&md_header, 0, sizeof(md_header)); + +#ifdef NPDRM + memcpy(&md_header, npdrm_keypair_d, sizeof(md_header)); +#else + mpz_t bigriv, bigerk; + mpz_init(bigriv); mpz_init(bigerk); + mpz_urandomb(bigerk, r_state, 128); + mpz_urandomb(bigriv, r_state, 128); + + mpz_export(md_header.erk, &countp, 1, 0x10, 1, 0, bigerk); + mpz_export(md_header.riv, &countp, 1, 0x10, 1, 0, bigriv); +#endif + +// init signing shit + mpz_t n,k,da,kinv,r,cs,z; + mpz_init(n); mpz_init(k); mpz_init(da); mpz_init(r); mpz_init(cs); mpz_init(z); mpz_init(kinv); + mpz_import(r, 0x14, 1, 1, 0, 0, KEY(R)); + mpz_import(n, 0x14, 1, 1, 0, 0, KEY(n)); + mpz_import(k, 0x14, 1, 1, 0, 0, KEY(K)); + mpz_import(da, 0x14, 1, 1, 0, 0, KEY(Da)); + mpz_invert(kinv, k, n); + segment_certification_sign all_signed; memset(&all_signed, 0, sizeof(all_signed)); + mpz_export(all_signed.R, &countp, 1, 0x14, 1, 0, r); + +// **** everything here is still length independent *** + build_segment_crypt_data(); + set_u32(&(segment_header.crypt_len), (segment_crypt_data_len)/0x10); + set_u32(&(segment_header.unknown2), 0x30); // needed?? + printf("built crypt data\n"); + +// start building metadata in theory, ordering is fixed now + memset(&start_file, 0, sizeof(file_ll)); + running_size = 0; + // 0x000 -- Self_Shdr + add_file_section(&output_self_header, sizeof(output_self_header)); + // 0x020 -- Self_Ehdr + add_file_section(&output_extended_self_header, sizeof(output_extended_self_header)); + // 0x070 -- Self_Ihdr + set_u64(&(output_extended_self_header.e_ihoff), running_size); + add_file_section(&output_self_info_header, sizeof(output_self_info_header)); + // 0x090 -- elf data + set_u64(&(output_extended_self_header.e_ehoff), running_size); + set_u64(&(output_extended_self_header.e_phoff), running_size+get_u64(&(input_elf_header->e_phoff))); + add_file_section(input_elf_data, get_u64(&(input_elf_header->e_phoff)) + get_u16(&(input_elf_header->e_phnum)) * sizeof(Elf64_Phdr)); + add_file_section(zero_padding, (0x10-(running_size&0xF))&0xF); + // 0x*** -- all Self_PMhdr(including not in crypt) + set_u64(&(output_extended_self_header.e_pmoff), running_size); + segment_ptr = &first_segment; + while(segment_ptr != NULL) { + add_file_section(&(segment_ptr->pmhdr), sizeof(segment_ptr->pmhdr)); + segment_ptr = segment_ptr->next_segment; + } + // 0x*** -- Self_SDKversion + set_u64(&(output_extended_self_header.e_svoff), running_size); + add_file_section(&sdkversion, sizeof(sdkversion)); + // 0x*** -- ??? +#ifdef NPDRM + add_file_section(zero_padding, 0x20); +#endif + // 0x*** -- Self_Cflags + set_u64(&(output_extended_self_header.e_cfoff), running_size); + add_file_section(&cflags, sizeof(cflags)); +#ifdef NPDRM + // 0x*** -- npdrm data + add_file_section(&npdrm, sizeof(npdrm)); +#endif + // 0x*** -- metadata_crypt_header + set_u32(&(output_self_header.s_esize), running_size - sizeof(output_self_header)); + add_file_section(&md_header, sizeof(md_header)); + // 0x*** -- segment_certification_header + add_file_section(&segment_header, sizeof(segment_header)); + // 0x*** -- all segment_certification_segment incrypt + int incrypt_count = 0; + segment_ptr = &first_segment; + while(segment_ptr != NULL) { + if(segment_ptr->incrypt) { + add_file_section(&(segment_ptr->enc_segment), sizeof(segment_ptr->enc_segment)); + incrypt_count++; + } + segment_ptr = segment_ptr->next_segment; + } + set_u32(&(segment_header.segment_count), incrypt_count); + // 0x*** -- segment_crypt_data + add_file_section(segment_crypt_data, segment_crypt_data_len); + // 0x*** -- nubpadding_static + add_file_section(nubpadding_static, sizeof(nubpadding_static)); + // 0x*** -- segment_certification_sign + set_u64(&(segment_header.signature_offset), running_size); + add_file_section(&all_signed, sizeof(all_signed)); + // 0x*** -- data must be 0x80 aligned + if((running_size%0x80) != 0) { + add_file_section(zero_padding, 0x80-(running_size%0x80)); + } + // 0x*** -- data + set_u64(&(output_self_header.s_shsize), running_size); + // ...data... + segment_ptr = &first_segment; + while(segment_ptr != NULL) { + set_u64(&(segment_ptr->enc_segment.segment_offset), running_size); + set_u64(&(segment_ptr->pmhdr.pm_offset), running_size); + add_file_section(segment_ptr->data, segment_ptr->len); + add_file_section(zero_padding, segment_ptr->padding); + segment_ptr = segment_ptr->next_segment; + } + // 0x*** -- section table +#ifndef SPRX + set_u64(&(output_extended_self_header.e_shoff), running_size); + add_file_section(input_elf_data+get_u64(&(input_elf_header->e_shoff)), get_u16(&(input_elf_header->e_shnum)) * sizeof(Elf64_Shdr)); +#endif + // ***DONE*** + + printf("file built\n"); + +// write self file in memory <-- useful comment + write_self_file_in_memory(); + printf("self written in memory\n"); + +// sign shit + u8 digest[0x14]; + SHA1(output_self_data, get_u64(&(segment_header.signature_offset)), digest); + + mpz_import(z, 0x14, 1, 1, 0, 0, digest); + mpz_mul(cs, r, da); mpz_mod(cs, cs, n); + mpz_add(cs, cs, z); mpz_mod(cs, cs, n); + mpz_mul(cs, cs, kinv); mpz_mod(cs, cs, n); + + //mpz_export(all_signed.S, &countp, 1, 0x14, 1, 0, cs); + mpz_export(&output_self_data[get_u64(&output_self_data[get_u32(output_self_data+0xC)+0x60])+0x16], &countp, 1, 0x14, 1, 0, cs); + +// write the output self test + FILE *test_self_file = fopen("test_out", "wb"); + fwrite(output_self_data, 1, running_size, test_self_file); + fclose(test_self_file); + +// encrypt metadata + int metadata_offset = get_u32(&(output_self_header.s_esize)) + sizeof(Self_Shdr); + +#ifndef NO_CRYPT + memset(ecount_buf, 0, 16); num=0; + AES_set_encrypt_key(&output_self_data[metadata_offset], 128, &aes_key); + memcpy(iv, &output_self_data[metadata_offset+0x20], 16); + AES_ctr128_encrypt(&output_self_data[0x40+metadata_offset], &output_self_data[0x40+metadata_offset], get_u64(&(output_self_header.s_shsize))-metadata_offset-0x40, &aes_key, iv, ecount_buf, &num); + printf("encrypted metadata\n"); + +#ifdef NPDRM + memcpy(&output_self_data[metadata_offset], npdrm_keypair_e, sizeof(md_header)); +#else + AES_set_encrypt_key(KEY(erk), 256, &aes_key); + memcpy(iv, KEY(riv), 16); + AES_cbc_encrypt(&output_self_data[metadata_offset], &output_self_data[metadata_offset], 0x40, &aes_key, iv, AES_ENCRYPT); + printf("encrypted keys\n"); +#endif + +#else + printf("NO_CRYPT is enabled...self is broken\n"); +#endif + +// write the output self + FILE *output_self_file = fopen(argv[2], "wb"); + fwrite(output_self_data, 1, running_size, output_self_file); + fclose(output_self_file); +} diff --git a/make_self_npdrm/makefile b/make_self_npdrm/makefile new file mode 100755 index 0000000..15efa70 --- /dev/null +++ b/make_self_npdrm/makefile @@ -0,0 +1,5 @@ +windows: make_self.c + gcc -static make_self.c -I"C:\Program Files (x86)\GnuWin32\include" -L"C:\OpenSSL-Win32\lib\MinGW" -lgmp -leay32 "C:\Program Files (x86)\GnuWin32\bin\zlib1.dll" -o make_self_npdrm.exe + +linux: make_self.c + gcc -static make_self.c -lgmp -lcrypto -lz -o make_self_npdrm -- cgit v1.2.3