fuzzing
This commit is contained in:
parent
8df560aaa8
commit
3399c62759
GPG key ID:
AD9F0F08E855ED88
5 changed files with 454 additions and 23 deletions
4
fuzz/.gitignore
vendored
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4
fuzz/.gitignore
vendored
Normal file
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@ -0,0 +1,4 @@
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target
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corpus
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artifacts
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377
fuzz/Cargo.lock
generated
Normal file
377
fuzz/Cargo.lock
generated
Normal file
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@ -0,0 +1,377 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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[[package]]
|
||||
name = "arbitrary"
|
||||
version = "1.0.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "237430fd6ed3740afe94eefcc278ae21e050285be882804e0d6e8695f0c94691"
|
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dependencies = [
|
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"derive_arbitrary",
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]
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||||
|
||||
[[package]]
|
||||
name = "autocfg"
|
||||
version = "1.0.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
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||||
[[package]]
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name = "bincode"
|
||||
version = "1.3.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
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dependencies = [
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"serde",
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]
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[[package]]
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name = "block-buffer"
|
||||
version = "0.9.0"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
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dependencies = [
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"generic-array",
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]
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[[package]]
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name = "cc"
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||||
version = "1.0.68"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4a72c244c1ff497a746a7e1fb3d14bd08420ecda70c8f25c7112f2781652d787"
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[[package]]
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name = "cfg-if"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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[[package]]
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name = "cpufeatures"
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version = "0.1.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ed00c67cb5d0a7d64a44f6ad2668db7e7530311dd53ea79bcd4fb022c64911c8"
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dependencies = [
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"libc",
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]
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[[package]]
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name = "darling"
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version = "0.12.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5f2c43f534ea4b0b049015d00269734195e6d3f0f6635cb692251aca6f9f8b3c"
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dependencies = [
|
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"darling_core",
|
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"darling_macro",
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]
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[[package]]
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name = "darling_core"
|
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version = "0.12.4"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8e91455b86830a1c21799d94524df0845183fa55bafd9aa137b01c7d1065fa36"
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dependencies = [
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"fnv",
|
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"ident_case",
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"proc-macro2",
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"quote",
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"strsim",
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"syn",
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]
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[[package]]
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name = "darling_macro"
|
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version = "0.12.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "29b5acf0dea37a7f66f7b25d2c5e93fd46f8f6968b1a5d7a3e02e97768afc95a"
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dependencies = [
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"darling_core",
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"quote",
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"syn",
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]
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[[package]]
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name = "derive_arbitrary"
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version = "1.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5f1281ee141df08871db9fe261ab5312179eac32d1e314134ceaa8dd7c042f5a"
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dependencies = [
|
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"proc-macro2",
|
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"quote",
|
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"syn",
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]
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[[package]]
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name = "derive_builder"
|
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version = "0.10.2"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d13202debe11181040ae9063d739fa32cfcaaebe2275fe387703460ae2365b30"
|
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dependencies = [
|
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"derive_builder_macro",
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]
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[[package]]
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name = "derive_builder_core"
|
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version = "0.10.2"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "66e616858f6187ed828df7c64a6d71720d83767a7f19740b2d1b6fe6327b36e5"
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dependencies = [
|
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"darling",
|
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"proc-macro2",
|
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"quote",
|
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"syn",
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]
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[[package]]
|
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name = "derive_builder_macro"
|
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version = "0.10.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "58a94ace95092c5acb1e97a7e846b310cfbd499652f72297da7493f618a98d73"
|
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dependencies = [
|
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"derive_builder_core",
|
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"syn",
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]
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[[package]]
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name = "digest"
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version = "0.9.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
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dependencies = [
|
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"generic-array",
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]
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[[package]]
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name = "fnv"
|
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version = "1.0.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
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[[package]]
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name = "generic-array"
|
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version = "0.14.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "501466ecc8a30d1d3b7fc9229b122b2ce8ed6e9d9223f1138d4babb253e51817"
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dependencies = [
|
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"typenum",
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"version_check",
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]
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[[package]]
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name = "ident_case"
|
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version = "1.0.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
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[[package]]
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name = "libc"
|
||||
version = "0.2.97"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "12b8adadd720df158f4d70dfe7ccc6adb0472d7c55ca83445f6a5ab3e36f8fb6"
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[[package]]
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name = "libfuzzer-sys"
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version = "0.4.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "36a9a84a6e8b55dfefb04235e55edb2b9a2a18488fcae777a6bdaa6f06f1deb3"
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dependencies = [
|
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"arbitrary",
|
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"cc",
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"once_cell",
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]
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[[package]]
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name = "num"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "43db66d1170d347f9a065114077f7dccb00c1b9478c89384490a3425279a4606"
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dependencies = [
|
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"num-bigint",
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"num-complex",
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"num-integer",
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"num-iter",
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"num-rational",
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"num-traits",
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]
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[[package]]
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name = "num-bigint"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4e0d047c1062aa51e256408c560894e5251f08925980e53cf1aa5bd00eec6512"
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dependencies = [
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"autocfg",
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"num-integer",
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"num-traits",
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"serde",
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]
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[[package]]
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name = "num-complex"
|
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version = "0.4.0"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "26873667bbbb7c5182d4a37c1add32cdf09f841af72da53318fdb81543c15085"
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dependencies = [
|
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"num-traits",
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"serde",
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]
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[[package]]
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name = "num-integer"
|
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version = "0.1.44"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
|
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dependencies = [
|
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"autocfg",
|
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"num-traits",
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]
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[[package]]
|
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name = "num-iter"
|
||||
version = "0.1.42"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b2021c8337a54d21aca0d59a92577a029af9431cb59b909b03252b9c164fad59"
|
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dependencies = [
|
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"autocfg",
|
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"num-integer",
|
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"num-traits",
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]
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[[package]]
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name = "num-rational"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d41702bd167c2df5520b384281bc111a4b5efcf7fbc4c9c222c815b07e0a6a6a"
|
||||
dependencies = [
|
||||
"autocfg",
|
||||
"num-integer",
|
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"num-traits",
|
||||
"serde",
|
||||
]
|
||||
|
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[[package]]
|
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name = "num-traits"
|
||||
version = "0.2.14"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
|
||||
dependencies = [
|
||||
"autocfg",
|
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]
|
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[[package]]
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name = "once_cell"
|
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version = "1.8.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "692fcb63b64b1758029e0a96ee63e049ce8c5948587f2f7208df04625e5f6b56"
|
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[[package]]
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name = "opaque-debug"
|
||||
version = "0.3.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
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[[package]]
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name = "pow_sha256"
|
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version = "0.2.1"
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dependencies = [
|
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"bincode",
|
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"derive_builder",
|
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"num",
|
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"serde",
|
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"sha2",
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]
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[[package]]
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name = "pow_sha256-fuzz"
|
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version = "0.0.0"
|
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dependencies = [
|
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"arbitrary",
|
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"libfuzzer-sys",
|
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"pow_sha256",
|
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"sha2",
|
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]
|
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[[package]]
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name = "proc-macro2"
|
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version = "1.0.27"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "f0d8caf72986c1a598726adc988bb5984792ef84f5ee5aa50209145ee8077038"
|
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dependencies = [
|
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"unicode-xid",
|
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]
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[[package]]
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name = "quote"
|
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version = "1.0.9"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
|
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dependencies = [
|
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"proc-macro2",
|
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]
|
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[[package]]
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name = "serde"
|
||||
version = "1.0.126"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ec7505abeacaec74ae4778d9d9328fe5a5d04253220a85c4ee022239fc996d03"
|
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dependencies = [
|
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"serde_derive",
|
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]
|
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|
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[[package]]
|
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name = "serde_derive"
|
||||
version = "1.0.126"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "963a7dbc9895aeac7ac90e74f34a5d5261828f79df35cbed41e10189d3804d43"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
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"syn",
|
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]
|
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|
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[[package]]
|
||||
name = "sha2"
|
||||
version = "0.9.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b362ae5752fd2137731f9fa25fd4d9058af34666ca1966fb969119cc35719f12"
|
||||
dependencies = [
|
||||
"block-buffer",
|
||||
"cfg-if",
|
||||
"cpufeatures",
|
||||
"digest",
|
||||
"opaque-debug",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "strsim"
|
||||
version = "0.10.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "1.0.73"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f71489ff30030d2ae598524f61326b902466f72a0fb1a8564c001cc63425bcc7"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-xid",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "typenum"
|
||||
version = "1.13.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "879f6906492a7cd215bfa4cf595b600146ccfac0c79bcbd1f3000162af5e8b06"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-xid"
|
||||
version = "0.2.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.9.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
|
||||
28
fuzz/Cargo.toml
Normal file
28
fuzz/Cargo.toml
Normal file
|
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@ -0,0 +1,28 @@
|
|||
|
||||
[package]
|
||||
name = "pow_sha256-fuzz"
|
||||
version = "0.0.0"
|
||||
authors = ["Automatically generated"]
|
||||
publish = false
|
||||
edition = "2018"
|
||||
|
||||
[package.metadata]
|
||||
cargo-fuzz = true
|
||||
|
||||
[dependencies]
|
||||
libfuzzer-sys = "0.4"
|
||||
sha2 = "0.9"
|
||||
arbitrary = { version = "1", features = ["derive"] }
|
||||
|
||||
[dependencies.pow_sha256]
|
||||
path = ".."
|
||||
|
||||
# Prevent this from interfering with workspaces
|
||||
[workspace]
|
||||
members = ["."]
|
||||
|
||||
[[bin]]
|
||||
name = "fuzz_target_1"
|
||||
path = "fuzz_targets/fuzz_target_1.rs"
|
||||
test = false
|
||||
doc = false
|
||||
17
fuzz/fuzz_targets/fuzz_target_1.rs
Normal file
17
fuzz/fuzz_targets/fuzz_target_1.rs
Normal file
|
|
@ -0,0 +1,17 @@
|
|||
#![no_main]
|
||||
use libfuzzer_sys::fuzz_target;
|
||||
use pow_sha256::dev::score;
|
||||
use sha2::{Digest, Sha256};
|
||||
|
||||
#[derive(Clone, Debug, arbitrary::Arbitrary)]
|
||||
struct Data {
|
||||
salt: Vec<u8>,
|
||||
message: Vec<u8>,
|
||||
count: u64,
|
||||
}
|
||||
|
||||
fuzz_target!(|data: Data| {
|
||||
// fuzzed code goes here
|
||||
let prefix_sha = Sha256::new().chain(&data.salt).chain(&data.message);
|
||||
let _result = score(prefix_sha.clone(), data.count);
|
||||
});
|
||||
51
src/lib.rs
51
src/lib.rs
|
|
@ -23,7 +23,7 @@
|
|||
use std::marker::PhantomData;
|
||||
|
||||
use derive_builder::Builder;
|
||||
use num::Num;
|
||||
//use num::Num;
|
||||
use serde::{Deserialize, Serialize};
|
||||
use sha2::{Digest, Sha256};
|
||||
|
||||
|
|
@ -73,7 +73,7 @@ impl Config {
|
|||
let difficulty = get_difficulty(difficulty);
|
||||
while result < difficulty {
|
||||
n += 1;
|
||||
result = score(prefix_sha.clone(), n);
|
||||
result = dev::score(prefix_sha.clone(), n);
|
||||
}
|
||||
PoW {
|
||||
nonce: n,
|
||||
|
|
@ -96,7 +96,7 @@ impl Config {
|
|||
where
|
||||
T: Serialize,
|
||||
{
|
||||
score(Sha256::new().chain(&self.salt).chain(target), pow.nonce)
|
||||
dev::score(Sha256::new().chain(&self.salt).chain(target), pow.nonce)
|
||||
}
|
||||
|
||||
/// Verifies that the PoW is indeed generated out of the phrase provided.
|
||||
|
|
@ -128,27 +128,32 @@ impl Config {
|
|||
}
|
||||
}
|
||||
|
||||
fn score(prefix_sha: Sha256, nonce: u64) -> u128 {
|
||||
first_bytes_as_u128(
|
||||
prefix_sha
|
||||
.chain(&nonce.to_be_bytes()) // to_be_bytes() converts to network endian
|
||||
.finalize()
|
||||
.as_slice(),
|
||||
)
|
||||
}
|
||||
pub mod dev {
|
||||
use super::*;
|
||||
|
||||
/// # Panics
|
||||
///
|
||||
/// panics if inp.len() < 16
|
||||
fn first_bytes_as_u128(inp: &[u8]) -> u128 {
|
||||
use bincode::config::*;
|
||||
DefaultOptions::new()
|
||||
.with_fixint_encoding()
|
||||
.allow_trailing_bytes()
|
||||
.with_no_limit()
|
||||
.with_big_endian()
|
||||
.deserialize(&inp)
|
||||
.unwrap()
|
||||
pub fn score(prefix_sha: Sha256, nonce: u64) -> u128 {
|
||||
first_bytes_as_u128(
|
||||
prefix_sha
|
||||
.chain(&nonce.to_string()) //used to be: to_be_bytes() converts to network endian
|
||||
// chain() expexets something that can be converted to &[u8], String is fine
|
||||
.finalize()
|
||||
.as_slice(),
|
||||
)
|
||||
}
|
||||
|
||||
/// # Panics
|
||||
///
|
||||
/// panics if inp.len() < 16
|
||||
fn first_bytes_as_u128(inp: &[u8]) -> u128 {
|
||||
use bincode::config::*;
|
||||
DefaultOptions::new()
|
||||
.with_fixint_encoding()
|
||||
.allow_trailing_bytes()
|
||||
.with_no_limit()
|
||||
.with_big_endian()
|
||||
.deserialize(&inp)
|
||||
.unwrap()
|
||||
}
|
||||
}
|
||||
|
||||
// utility function to get u128 difficulty factor from u32
|
||||
|
|
|
|||
Loading…
Reference in a new issue