111 lines
4.6 KiB
Bash
Executable File
111 lines
4.6 KiB
Bash
Executable File
#!/bin/bash
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export tmp_folder="$1"
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shift
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export dummy_mb="$1"
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[ "$tmp_folder" = "" ] && export tmp_folder='/tmp'
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[ "$dummy_mb" = "" ] && export dummy_mb='100'
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[ "$TEST_BINS" = "" ] && TEST_BINS="./pegh.openssl ./pegh.libsodium ./pegh.libsodium-openssl"
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dummy_file="${tmp_folder}/randombytes${dummy_mb}"
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leading_zero_key="${tmp_folder}/leading_zero_key"
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leading_zero_key_a="${tmp_folder}/leading_zero_key_a"
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leading_zero_key_b="${tmp_folder}/leading_zero_key_b"
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set -euxo pipefail
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# try different size files to encrypt/decrypt
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[ -e "$dummy_file" ] || dd if=/dev/urandom bs=1M "count=$dummy_mb" of="$dummy_file"
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export key="$(< /dev/urandom tr -dc 'a-z0-9' | head -c12)"
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echo "key: $key"
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[ -e "$leading_zero_key" ] || cat <(dd if=/dev/zero bs=1M count=1) <(echo "$key") > "$leading_zero_key"
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[ -e "$leading_zero_key_a" ] || cat "$leading_zero_key" <(echo -n a) > "$leading_zero_key_a"
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[ -e "$leading_zero_key_b" ] || cat "$leading_zero_key" <(echo -n b) > "$leading_zero_key_b"
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# try make if it's installed, otherwise fall back to cc
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rm -f pegh
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# compile against openssl
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make PEGH_OPENSSL=1 || cc -O3 -DPEGH_OPENSSL pegh.c -lcrypto -o pegh
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mv pegh pegh.openssl
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# compile against libsodium
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make PEGH_LIBSODIUM=1 || cc -O3 -DPEGH_LIBSODIUM pegh.c -lsodium -o pegh
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mv pegh pegh.libsodium
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# compile against both libsodium and openssl as a fallback for CPUs libsodium doesn't support
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make PEGH_LIBSODIUM=1 PEGH_OPENSSL=1 || cc -O3 -DPEGH_LIBSODIUM -DPEGH_OPENSSL pegh.c -lsodium -lcrypto -o pegh
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mv pegh pegh.libsodium-openssl
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test () {
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bin="$1"
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shift
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bin_decrypt="${1:-$bin}"
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shift
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echo "testing binaries bin: $bin bin_decrypt: $bin_decrypt"
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set +eu
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if [ "$2" != "1" ]
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then
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# check both binaries through full pipe to see if it fails with an AES error
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echo a | "$bin" "$@" "$key" | "$bin_decrypt" -d "$key" >/dev/null
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# 19 is the special return code that means specifically libsodium-only and CPU doesn't support AES
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[ ${PIPESTATUS[1]} -eq 19 -o ${PIPESTATUS[2]} -eq 19 ] && set -eu && echo "skipping this test because libsodium doesn't support AES on this CPU" && return 0
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fi
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set -eu
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echo 'encrypting same data with same key should result in different ciphertext'
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cmp <(echo a | "$bin" "$@" "$key") <(echo a | "$bin" "$@" "$key") && echo "random generation broken? same data and key resulted in same decryption so salt generation is broken and this is insecure" && exit 1 || true
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echo 'encrypting then decrypting with the same key should succeed'
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"$bin" -e "$@" "$key" < "$dummy_file" | "$bin_decrypt" -d "$key" | cmp - "$dummy_file"
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# this test is so (rightly) slow it makes our CI builds take 6+ hours, disable for now
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#echo 'test with -s 32 requiring 2gb of ram should succeed'
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# can send -s 32 or -m 2048 to decrypt command with identical effect
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#"$bin" -e "$@" "$key" -s 32 < "$dummy_file" | "$bin_decrypt" -d "$key" -m 2048 | cmp - "$dummy_file"
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echo 'encrypting/decrypting with key in file should work, even when key has leading 0s and a trailing newline'
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"$bin" -e "$@" -f "$leading_zero_key" < "$dummy_file" | "$bin_decrypt" -d -f "$leading_zero_key" | cmp - "$dummy_file"
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set +e
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# these should fail
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echo 'encrypting with one key and decrypting with another should fail'
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"$bin" -e "$@" "$key" -i "$dummy_file" | "$bin_decrypt" -d "$key-wrongkey" | cmp - "$dummy_file" && echo "ERROR: appending -wrongkey to key somehow still worked" && exit 1
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echo 'encrypting/decrypting with key in file where last byte is different should fail'
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"$bin" -e "$@" -f "$leading_zero_key_a" < "$dummy_file" | "$bin_decrypt" -d -f "$leading_zero_key_b" | cmp - "$dummy_file" && echo "ERROR: differing last byte in password file somehow still worked" && exit 1
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echo 'large values of N without enough memory should fail'
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"$bin" -e "$@" "$key" -N 2000000 -i "$dummy_file" >/dev/null && echo "ERROR: N of 2 million without extra memory worked" && exit 1
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"$bin_decrypt" -d "$key" -N 2000000 -i "$dummy_file" >/dev/null && echo "ERROR: N of 2 million without extra memory worked" && exit 1
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echo 'bad decryption bytes are never output, file should be 0 bytes'
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echo 'hopefully this doesnt make it to disk' | "$bin" "$@" "$key" | cat - <(echo -n a) | "$bin_decrypt" -d "$key" -o bla.txt && exit 1
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[ -s bla.txt ] && echo "ERROR: bla.txt should be empty" && exit 1
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set -e
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}
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for bin in $TEST_BINS
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do
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for bin_decrypt in $TEST_BINS
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do
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# test default versions
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time test $bin $bin_decrypt
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# test aes
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time test $bin $bin_decrypt -v 0
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# test chacha
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time test $bin $bin_decrypt -v 1
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done
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done
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echo "successful test run!"
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