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 TOTAL DOWNLOADED
TASK INFO: ( UDMAbod )
| Flash device type |
: USB Flash |
| Controller marking |
: 20-82-00263-1 |
| Number of memory chips |
: 1 |
| Number of parts |
: 1 |
| Memory chip marking |
: SDTNMNAHSM_004G |
| Memory chip ID |
: 0x45C798B2 |
| Capacity(Mb) |
: 4096 |
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SOLUTIONS: - Variant 1: (15.09.2021) Author: UDMAbod [81]
Results of preparation:
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Initial memory chips (1) |
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Cut Bad Bytes (software/hardware) |
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Page XOR transformation (ID_XOR 2257) |
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Page size transformation |
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Split by block (Block Size 3072) |
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Join by block for pairs (Block Size 16) |
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Rotation |
Algorithm of analysis:
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Block Number Type 1 [0000]| Marker Pos | 514 | | Block Size | 2048 | | Start analize | 0 | | Mask | 0xFFFF | | ID | 3412 | | Full Block | NO |
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- Variant 2: (13.06.2022) Author: vip [328]
Results of preparation:
|
|
Initial memory chips (1) |
|
|
Cut Bad Bytes (software/hardware) |
|
|
Page XOR transformation (ID_XOR 2257) |
|
|
Page size transformation |
|
|
Split by block (Block Size 3072) |
|
|
Join by block for pairs (Block Size 16) |
|
|
Rotation |
Algorithm of analysis:
|
|
Block Number Type 1 [0000]| Marker Pos | 514 | | Block Size | 2048 | | Start analize | 0 | | Mask | 0xFFFF | | ID | 3412 | | Full Block | NO | | |
| Conditions |
| Pos | Mask | Act | Value | Result |
| 512 | 0xFF | = | 0x30 | | | 512 | 0xFF | = | 0xB0 | |
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- Variant 3: (14.06.2022) Author: vip [328]
Results of preparation:
|
|
Initial memory chips (1) |
|
|
Cut Bad Bytes (software/hardware) |
|
|
Page XOR transformation (ID_XOR 2257) |
|
|
Page size transformation |
|
|
Split by block (Block Size 3072) |
|
|
Join by block for pairs (Block Size 16) |
|
|
Rotation |
Algorithm of analysis:
|
|
Block Number Type 1 [0000]| Marker Pos | 514 | | Block Size | 2048 | | Start analize | 0 | | Mask | 0xFFFF | | ID | 3412 | | Full Block | NO | | |
| Conditions |
| Pos | Mask | Act | Value | Result |
| 512 | 0xFF | = | 0x30 | | | 512 | 0xFF | = | 0xB0 | |
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