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https://github.com/trezor/trezor-firmware.git
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32 lines
1.3 KiB
Bash
Executable File
32 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# usage: script.sh target-dictionary-filename
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# this script searches for interesting strings in the source code and converts
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# them into a standard fuzzer dictionary file.
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TARGETFILE=${1:-fuzzer_crypto_tests_strings_dictionary1.txt}
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# collect strings with normal words from the tests
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grep -r -P -o -h "\"[\w ]+\"" ../tests | sort | uniq > $TARGETFILE
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# collect BIP39 and SLIP39 words
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grep -r -P -o -h "\"\w+\"" ../slip39_wordlist.h ../bip39_english.h | sort | uniq >> $TARGETFILE
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# hex string to quoted escaped hex conversion
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# TODO add an inverted output variant with swapped endian order?
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grep -r -P -o -h "([0-9a-fA-F][0-9a-fA-F])+" ../tests | sort | uniq | \
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while read -r line ; do
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# double escape since it is going to be used in bash
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escaped_hex=`echo $line | sed -e 's/../\\\\x&/g'`
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echo "\"$escaped_hex\"" >> $TARGETFILE
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done
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# search and reassemble BIP39 seed mnemonics that span multiple lines from the tests
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# valid words are 3 to 10 characters long and there are 12, 18 or 24 words in a valid mnemonic
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grep -r -P -o -h "\"(\w{3,10} ?)+\",?" ../tests | grep -vP "[0-9A-Z]" | tr '"\n' ' ' | \
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sed 's/ / /g' | sed 's/ / /g'| grep -Po "(\w{3,10} ){11,23}(\w{3,10})" | sort | uniq | \
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while read -r line ; do
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echo "\"$line\"" >> $TARGETFILE
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done
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