134 lines
5.9 KiB
C
134 lines
5.9 KiB
C
#include "secure_strings.h"
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#include <stdint.h>
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#include <string.h>
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// Simple XOR obfuscation for compile-time data
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static const uint8_t KEY = 0x5Au;
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static const uint8_t DET_LENS[] = {
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5, 11, 6, 9, 15, 16, 7, 12, 9, 14, 23, 10, 21, 24, 10
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};
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static const uint8_t DET_ENC[] = {
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// "argos"
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'a'^KEY,'r'^KEY,'g'^KEY,'o'^KEY,'s'^KEY,
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// "attestation"
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'a'^KEY,'t'^KEY,'t'^KEY,'e'^KEY,'s'^KEY,'t'^KEY,'a'^KEY,'t'^KEY,'i'^KEY,'o'^KEY,'n'^KEY,
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// "attest"
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'a'^KEY,'t'^KEY,'t'^KEY,'e'^KEY,'s'^KEY,'t'^KEY,
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// "integrity"
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'i'^KEY,'n'^KEY,'t'^KEY,'e'^KEY,'g'^KEY,'r'^KEY,'i'^KEY,'t'^KEY,'y'^KEY,
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// "clientintegrity"
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'c'^KEY,'l'^KEY,'i'^KEY,'e'^KEY,'n'^KEY,'t'^KEY,'i'^KEY,'n'^KEY,'t'^KEY,'e'^KEY,'g'^KEY,'r'^KEY,'i'^KEY,'t'^KEY,'y'^KEY,
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// "client_integrity"
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'c'^KEY,'l'^KEY,'i'^KEY,'e'^KEY,'n'^KEY,'t'^KEY,'_'^KEY,'i'^KEY,'n'^KEY,'t'^KEY,'e'^KEY,'g'^KEY,'r'^KEY,'i'^KEY,'t'^KEY,'y'^KEY,
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// "scargos"
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's'^KEY,'c'^KEY,'a'^KEY,'r'^KEY,'g'^KEY,'o'^KEY,'s'^KEY,
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// "argosservice"
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'a'^KEY,'r'^KEY,'g'^KEY,'o'^KEY,'s'^KEY,'s'^KEY,'e'^KEY,'r'^KEY,'v'^KEY,'i'^KEY,'c'^KEY,'e'^KEY,
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// "safetynet"
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's'^KEY,'a'^KEY,'f'^KEY,'e'^KEY,'t'^KEY,'y'^KEY,'n'^KEY,'e'^KEY,'t'^KEY,
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// "play_integrity"
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'p'^KEY,'l'^KEY,'a'^KEY,'y'^KEY,'_'^KEY,'i'^KEY,'n'^KEY,'t'^KEY,'e'^KEY,'g'^KEY,'r'^KEY,'i'^KEY,'t'^KEY,'y'^KEY,
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// "android_key_attestation"
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'a'^KEY,'n'^KEY,'d'^KEY,'r'^KEY,'o'^KEY,'i'^KEY,'d'^KEY,'_'^KEY,'k'^KEY,'e'^KEY,'y'^KEY,'_'^KEY,'a'^KEY,'t'^KEY,'t'^KEY,'e'^KEY,'s'^KEY,'t'^KEY,'a'^KEY,'t'^KEY,'i'^KEY,'o'^KEY,'n'^KEY,
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// "app_attest"
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'a'^KEY,'p'^KEY,'p'^KEY,'_'^KEY,'a'^KEY,'t'^KEY,'t'^KEY,'e'^KEY,'s'^KEY,'t'^KEY,
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// "getattestationheaders"
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'g'^KEY,'e'^KEY,'t'^KEY,'a'^KEY,'t'^KEY,'t'^KEY,'e'^KEY,'s'^KEY,'t'^KEY,'a'^KEY,'t'^KEY,'i'^KEY,'o'^KEY,'n'^KEY,'h'^KEY,'e'^KEY,'a'^KEY,'d'^KEY,'e'^KEY,'r'^KEY,'s'^KEY,
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// "computeattestationheader"
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'c'^KEY,'o'^KEY,'m'^KEY,'p'^KEY,'u'^KEY,'t'^KEY,'e'^KEY,'a'^KEY,'t'^KEY,'t'^KEY,'e'^KEY,'s'^KEY,'t'^KEY,'a'^KEY,'t'^KEY,'i'^KEY,'o'^KEY,'n'^KEY,'h'^KEY,'e'^KEY,'a'^KEY,'d'^KEY,'e'^KEY,'r'^KEY,
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// "hermod_dup"
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'h'^KEY,'e'^KEY,'r'^KEY,'m'^KEY,'o'^KEY,'d'^KEY,'_'^KEY,'d'^KEY,'u'^KEY,'p'^KEY,
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};
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static char DET_DEC[207];
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static size_t DET_LEN = 0;
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static int DET_READY = 0;
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static const uint8_t RISK_LENS[] = { 22, 24, 22, 19, 22, 22, 19 };
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static const uint8_t RISK_ENC[] = {
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// "ClientIntegrityService"
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'C'^KEY,'l'^KEY,'i'^KEY,'e'^KEY,'n'^KEY,'t'^KEY,'I'^KEY,'n'^KEY,'t'^KEY,'e'^KEY,'g'^KEY,'r'^KEY,'i'^KEY,'t'^KEY,'y'^KEY,'S'^KEY,'e'^KEY,'r'^KEY,'v'^KEY,'i'^KEY,'c'^KEY,'e'^KEY,
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// "/ClientIntegrityService/"
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'/'^KEY,'C'^KEY,'l'^KEY,'i'^KEY,'e'^KEY,'n'^KEY,'t'^KEY,'I'^KEY,'n'^KEY,'t'^KEY,'e'^KEY,'g'^KEY,'r'^KEY,'i'^KEY,'t'^KEY,'y'^KEY,'S'^KEY,'e'^KEY,'r'^KEY,'v'^KEY,'i'^KEY,'c'^KEY,'e'^KEY,'/'^KEY,
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// "/GetAttestationHeaders"
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'/'^KEY,'G'^KEY,'e'^KEY,'t'^KEY,'A'^KEY,'t'^KEY,'t'^KEY,'e'^KEY,'s'^KEY,'t'^KEY,'a'^KEY,'t'^KEY,'i'^KEY,'o'^KEY,'n'^KEY,'H'^KEY,'e'^KEY,'a'^KEY,'d'^KEY,'e'^KEY,'r'^KEY,'s'^KEY,
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// "/AttestationHeaders"
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'/'^KEY,'A'^KEY,'t'^KEY,'t'^KEY,'e'^KEY,'s'^KEY,'t'^KEY,'a'^KEY,'t'^KEY,'i'^KEY,'o'^KEY,'n'^KEY,'H'^KEY,'e'^KEY,'a'^KEY,'d'^KEY,'e'^KEY,'r'^KEY,'s'^KEY,
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// "/getAttestationHeaders"
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'/'^KEY,'g'^KEY,'e'^KEY,'t'^KEY,'A'^KEY,'t'^KEY,'t'^KEY,'e'^KEY,'s'^KEY,'t'^KEY,'a'^KEY,'t'^KEY,'i'^KEY,'o'^KEY,'n'^KEY,'H'^KEY,'e'^KEY,'a'^KEY,'d'^KEY,'e'^KEY,'r'^KEY,'s'^KEY,
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// "/GetAttestationPayload"
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'/'^KEY,'G'^KEY,'e'^KEY,'t'^KEY,'A'^KEY,'t'^KEY,'t'^KEY,'e'^KEY,'s'^KEY,'t'^KEY,'a'^KEY,'t'^KEY,'i'^KEY,'o'^KEY,'n'^KEY,'P'^KEY,'a'^KEY,'y'^KEY,'l'^KEY,'o'^KEY,'a'^KEY,'d'^KEY,
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// "/AttestationPayload"
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'/'^KEY,'A'^KEY,'t'^KEY,'t'^KEY,'e'^KEY,'s'^KEY,'t'^KEY,'a'^KEY,'t'^KEY,'i'^KEY,'o'^KEY,'n'^KEY,'P'^KEY,'a'^KEY,'y'^KEY,'l'^KEY,'o'^KEY,'a'^KEY,'d'^KEY,
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};
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static char RISK_DEC[157];
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static size_t RISK_LEN = 0;
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static int RISK_READY = 0;
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static size_t decode_list(const uint8_t* enc, size_t enc_len, const uint8_t* lens, size_t n, char* out, size_t out_cap) {
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size_t off = 0;
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size_t enc_off = 0;
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for (size_t i = 0; i < n && enc_off < enc_len; ++i) {
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size_t L = (size_t)lens[i];
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if (off + L + 1 > out_cap || enc_off + L > enc_len) break;
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for (size_t j = 0; j < L; ++j) {
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out[off++] = (char)(enc[enc_off++] ^ KEY);
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}
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out[off++] = '\0';
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}
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return off;
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}
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const char* ss_get_detection_blob(size_t* out_len) {
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if (!DET_READY) {
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DET_LEN = decode_list(DET_ENC,
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sizeof(DET_ENC),
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DET_LENS,
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sizeof(DET_LENS)/sizeof(DET_LENS[0]),
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DET_DEC,
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sizeof(DET_DEC));
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DET_READY = 1;
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}
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if (out_len) {
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*out_len = DET_LEN;
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}
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return DET_DEC;
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}
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const char* ss_get_risk_block_blob(size_t* out_len) {
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if (!RISK_READY) {
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RISK_LEN = decode_list(RISK_ENC,
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sizeof(RISK_ENC),
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RISK_LENS,
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sizeof(RISK_LENS)/sizeof(RISK_LENS[0]),
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RISK_DEC,
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sizeof(RISK_DEC));
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RISK_READY = 1;
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}
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if (out_len) {
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*out_len = RISK_LEN;
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}
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return RISK_DEC;
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}
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const char* ss_get_hermod_dup(size_t* out_len) {
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static char buf[16];
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static int ready = 0;
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if (!ready) {
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size_t enc_off = 0;
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for (size_t i = 0; i < sizeof(DET_LENS); ++i) {
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size_t L = DET_LENS[i];
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if (i == 14) {
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size_t w = (L < sizeof(buf)-1) ? L : (sizeof(buf)-1);
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for (size_t j = 0; j < w; ++j) buf[j] = (char)(DET_ENC[enc_off+j] ^ KEY);
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buf[w] = '\0';
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break;
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}
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enc_off += L;
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}
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ready = 1;
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}
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if (out_len) *out_len = strlen(buf);
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return buf;
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}
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