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TOTAL DOWNLOADED
TASK INFO: ( djchich )
Flash device type |
: USB Flash |
Controller marking |
: 82-00515 |
Number of memory chips |
: 1 |
Number of parts |
: 1 |
Memory chip marking |
: SDZNQFAMA_008G 19nm |
Memory chip ID |
: 0x45DE9493 |
Capacity(Mb) |
: 8192 |
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SOLUTIONS: - Variant 1: (24.02.2021) Author: djchich [73]
Results of preparation:
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Initial memory chips (1) |
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Page XOR transformation (ID_XOR 1872) |
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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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Rotation |
Algorithm of analysis:
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Block Number Type 1 [0000]Marker Pos | 514 | Block Size | 16384 | Start analize | 0 | Mask | 0xFFFF | ID | 3412 | Full Block | YES | |
Conditions |
Pos | Mask | Act | Value> | Result |
512 | 0xFF | = | 0x30 | | 512 | 0xFF | = | 0xB0 | | 512 | 0xFF | = | 0xF0 | | 512 | 0xFF | = | 0x70 | |
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- Variant 2: (25.02.2021) Author: djchich [73]
Results of preparation:
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Initial memory chips (1) |
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Page XOR transformation (ID_XOR 1872) |
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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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Rotation |
Algorithm of analysis:
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Block Number Type 1 [0000]Marker Pos | 514 | Block Size | 16384 | Start analize | 0 | Mask | 0xFFFF | ID | 3412 | Full Block | YES | |
Conditions |
Pos | Mask | Act | Value> | Result |
512 | 0xFF | = | 0x30 | | 512 | 0xFF | = | 0xB0 | | 512 | 0xFF | = | 0xF0 | | 512 | 0xFF | = | 0x70 | |
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- Variant 3: (23.03.2021) Author: djchich [73]
Results of preparation:
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Initial memory chips (1) |
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Page XOR transformation (ID_XOR 1872) |
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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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Rotation |
Algorithm of analysis:
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Block Number Type 1 [0000]Marker Pos | 514 | Block Size | 16384 | Start analize | 0 | Mask | 0xFFFF | ID | 3412 | Full Block | YES | |
Conditions |
Pos | Mask | Act | Value> | Result |
512 | 0xFF | = | 0x30 | | 512 | 0xFF | = | 0xB0 | | 512 | 0xFF | = | 0xF0 | | 512 | 0xFF | = | 0x70 | |
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