Assembly Language for Beginners

8.6. “QR9”: RUBIK’S CUBE INSPIRED AMATEUR CRYPTO-ALGORITHM for (i=0; i<8; i++) for (j=0; j<8; j++) set_bit (7-j, v, i, tmp ...

8.6. “QR9”: RUBIK’S CUBE INSPIRED AMATEUR CRYPTO-ALGORITHM Here is the whole source code reconstructed: include <windows.h> ...

8.6. “QR9”: RUBIK’S CUBE INSPIRED AMATEUR CRYPTO-ALGORITHM void rotate_all (char pwd, int v) { char p=pwd; while (*p) { char c=* ...

8.6. “QR9”: RUBIK’S CUBE INSPIRED AMATEUR CRYPTO-ALGORITHM f=fopen(fin, "rb"); if (f==NULL) { printf ("Cannot open input file!\n ...

8.7 Encrypted database case #1 fwrite (buf+(3+4), real_flen, 1, f); fclose (f); free (buf); }; // run: input output 0/1 password ...

8.7. ENCRYPTED DATABASE CASE #1 Let’s decode them and calculate entropies (9.2 on page 948) of these blocks in Wolfram Mathemati ...

8.7. ENCRYPTED DATABASE CASE #1 Most values are gathered around value of 4, but there are also values which are smaller, and the ...

8.7. ENCRYPTED DATABASE CASE #1 8.7.3 Is data encrypted?. Major data encryption algorithms process data in blocks. DES—8 bytes, ...

8.7. ENCRYPTED DATABASE CASE #1 checked with my tracer utility, but any debugger can be used). I checked, if my CPU really suppo ...

8.7. ENCRYPTED DATABASE CASE #1 Argument 3/5 0038BB30: CD CD CD CD CD CD CD CD-CD CD CD CD CD CD CD CD "................" (0) so ...

8.7. ENCRYPTED DATABASE CASE #1 And decryption: Now let’s see: AES encryption operation generates 16 bytes (or 128 bits) ofrando ...

8.7. ENCRYPTED DATABASE CASE #1 no module registered with image base 0x76e20000 no module registered with image base 0x77320000 ...

8.7. ENCRYPTED DATABASE CASE #1 It seems, first and fifth byte are changed each time. I finally concluded that the first 32-bit ...

8.7. ENCRYPTED DATABASE CASE #1 00000000: 00 00 00 00 00 00 67 40 D4 07 0B 0E ......g@.... 00000000: 00 00 00 00 00 40 51 40 DC ...

8.7. ENCRYPTED DATABASE CASE #1 OrderID= 5 name= LENA MARCUS sum= 179.0 date= 2004 / 6 / 3 Seemore:https://raw.githubusercontent ...

8.8 Overclocking Cointerra Bitcoin miner. Encrypteddatabase contents has been artificially constructed by me for the sake of dem ...

8.8. OVERCLOCKING COINTERRA BITCOIN MINER And there was also (possibly leaked) utility^25 which can set clock rate for the board ...

8.8. OVERCLOCKING COINTERRA BITCOIN MINER .text:0000ACAC RSB R3, R3, R1 .text:0000ACB0 MOV R1, #50 .text:0000ACB4 MUL R3, R1, R3 ...

8.8. OVERCLOCKING COINTERRA BITCOIN MINER .text:0000AD74 LDR R3, [R11,#var_28] .text:0000AD78 UXTB R1, R3 .text:0000AD7C LDR R3, ...

8.9 Breaking simple executable cryptor. Now it’s possible to set frequencies up to 1050MHz. Even more is possible, but due to th ...