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 TOTAL DOWNLOADED
TASK INFO: ( Dmitriy )
| Flash device type |
: USB Flash |
| Controller marking |
: 20-82-00543 |
| Number of memory chips |
: 1 |
| Number of parts |
: 4 |
| Memory chip marking |
: |
| Memory chip ID |
: 0x453A9593 |
| Capacity(Mb) |
: 65536 |
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SOLUTIONS: - Variant 1: (21.08.2019) Author: Dmitriy [10]
Results of preparation:
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Initial memory chips (1) |
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Parts of memory chips (4) |
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Page XOR transformation (ID_XOR 630) |
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Page size transformation |
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Split by block (Block Size 8192) |
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Join by block for pairs (Block Size 32) |
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Join by block for pairs (Block Size 64) |
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Join by dump |
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Block Rotate |
Algorithm of analysis:
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Block Number Type 1 [0000]| Marker Pos | 513 | | Block Size | 32768 | | Start analize | 0 | | Mask | 0xFEFC | | ID | 1234 | | Full Block | NO | | |
| Conditions |
| Pos | Mask | Act | Value | Result |
| 512 | 0xFF | = | 0x00 | | | 513 | 0xFE | - | 0x00 | = marker hi | | 514 | 0xFC | - | 0x00 | = marker low |
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