8f928a93e8
- Add get_last_bytes.sh to extract final 2 bytes from IUM files - Add read_bytes.sh for reading specific byte offsets from binaries - Add pack_resources.sh to package and upload CP02S resources to S3 - Add signer_new.py for firmware and bootloader signing with custom SHA1 - Update extract_firmware.sh to use fixed output filenames - Update README.md with comprehensive documentation for new tools
32 lines
753 B
Bash
Executable File
32 lines
753 B
Bash
Executable File
#!/bin/bash
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if [ $# -ne 1 ]; then
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echo "Usage: $0 <bin_file>"
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exit 1
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fi
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BIN_FILE="$1"
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OFFSET=0x1dcfe
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if [ ! -f "$BIN_FILE" ]; then
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echo "Error: File '$BIN_FILE' not found"
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exit 1
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fi
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FILE_SIZE=$(stat -f%z "$BIN_FILE" 2>/dev/null || stat -c%s "$BIN_FILE" 2>/dev/null)
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DECIMAL_OFFSET=$((OFFSET))
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if [ $DECIMAL_OFFSET -ge $FILE_SIZE ]; then
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echo "Error: Offset $OFFSET ($DECIMAL_OFFSET) exceeds file size ($FILE_SIZE bytes)"
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exit 1
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fi
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if [ $((DECIMAL_OFFSET + 2)) -gt $FILE_SIZE ]; then
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echo "Error: Cannot read 2 bytes starting from offset $OFFSET (file too small)"
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exit 1
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fi
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BYTES=$(xxd -s $DECIMAL_OFFSET -l 2 -p "$BIN_FILE")
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BYTE1=$(echo "$BYTES" | cut -c1-2)
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BYTE2=$(echo "$BYTES" | cut -c3-4)
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echo "$BYTE2$BYTE1" |