start switching crypto implementations
This commit is contained in:
parent
e866a4a643
commit
663bbfa2f3
121
src-tauri/Cargo.lock
generated
121
src-tauri/Cargo.lock
generated
@ -8,6 +8,16 @@ version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
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[[package]]
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name = "aead"
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version = "0.5.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d122413f284cf2d62fb1b7db97e02edb8cda96d769b16e443a4f6195e35662b0"
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dependencies = [
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"crypto-common",
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"generic-array",
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]
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[[package]]
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name = "ahash"
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version = "0.7.6"
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@ -62,11 +72,13 @@ checksum = "9c7d0618f0e0b7e8ff11427422b64564d5fb0be1940354bfe2e0529b18a9d9b8"
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name = "app"
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version = "0.2.0"
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dependencies = [
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"argon2",
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"auto-launch",
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"aws-config",
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"aws-sdk-sts",
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"aws-smithy-types",
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"aws-types",
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"chacha20poly1305",
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"clap",
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"dirs 5.0.1",
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"is-terminal",
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@ -86,6 +98,17 @@ dependencies = [
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"tokio",
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]
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[[package]]
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name = "argon2"
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version = "0.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "95c2fcf79ad1932ac6269a738109997a83c227c09b75842ae564dc8ede6a861c"
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dependencies = [
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"base64ct",
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"blake2",
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"password-hash",
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]
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[[package]]
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name = "async-broadcast"
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version = "0.5.1"
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@ -545,12 +568,27 @@ dependencies = [
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"simd-abstraction",
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]
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[[package]]
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name = "base64ct"
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version = "1.6.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
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[[package]]
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name = "bitflags"
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version = "1.3.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
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[[package]]
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name = "blake2"
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version = "0.10.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "46502ad458c9a52b69d4d4d32775c788b7a1b85e8bc9d482d92250fc0e3f8efe"
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dependencies = [
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"digest",
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]
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[[package]]
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name = "block"
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version = "0.1.6"
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@ -727,6 +765,41 @@ 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 = "chacha20"
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version = "0.9.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c3613f74bd2eac03dad61bd53dbe620703d4371614fe0bc3b9f04dd36fe4e818"
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dependencies = [
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"cfg-if",
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"cipher",
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"cpufeatures",
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]
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[[package]]
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name = "chacha20poly1305"
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version = "0.10.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "10cd79432192d1c0f4e1a0fef9527696cc039165d729fb41b3f4f4f354c2dc35"
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dependencies = [
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"aead",
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"chacha20",
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"cipher",
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"poly1305",
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"zeroize",
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]
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[[package]]
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name = "cipher"
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version = "0.4.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
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dependencies = [
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"crypto-common",
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"inout",
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"zeroize",
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]
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[[package]]
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name = "clap"
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version = "3.2.25"
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@ -962,6 +1035,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
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dependencies = [
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"generic-array",
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"rand_core 0.6.4",
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"typenum",
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]
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@ -1996,6 +2070,15 @@ dependencies = [
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"cfb",
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]
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[[package]]
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name = "inout"
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version = "0.1.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a0c10553d664a4d0bcff9f4215d0aac67a639cc68ef660840afe309b807bc9f5"
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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 = "instant"
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version = "0.1.12"
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@ -2551,6 +2634,12 @@ version = "1.17.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
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[[package]]
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name = "opaque-debug"
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version = "0.3.0"
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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 = "openssl-probe"
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version = "0.1.5"
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@ -2681,6 +2770,17 @@ dependencies = [
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"windows-sys 0.45.0",
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]
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[[package]]
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name = "password-hash"
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version = "0.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "346f04948ba92c43e8469c1ee6736c7563d71012b17d40745260fe106aac2166"
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dependencies = [
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"base64ct",
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"rand_core 0.6.4",
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"subtle",
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]
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[[package]]
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name = "paste"
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version = "1.0.12"
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@ -2872,6 +2972,17 @@ dependencies = [
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"windows-sys 0.48.0",
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]
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[[package]]
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name = "poly1305"
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version = "0.8.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8159bd90725d2df49889a078b54f4f79e87f1f8a8444194cdca81d38f5393abf"
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dependencies = [
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"cpufeatures",
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"opaque-debug",
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"universal-hash",
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]
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[[package]]
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name = "ppv-lite86"
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version = "0.2.17"
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@ -4456,6 +4567,16 @@ version = "0.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "39ec24b3121d976906ece63c9daad25b85969647682eee313cb5779fdd69e14e"
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[[package]]
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name = "universal-hash"
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version = "0.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7d3160b73c9a19f7e2939a2fdad446c57c1bbbbf4d919d3213ff1267a580d8b5"
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dependencies = [
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"crypto-common",
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"subtle",
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]
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[[package]]
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name = "untrusted"
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version = "0.7.1"
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@ -36,6 +36,9 @@ auto-launch = "0.4.0"
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dirs = "5.0"
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clap = { version = "3.2.23", features = ["derive"] }
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is-terminal = "0.4.7"
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argon2 = "0.5.0"
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chacha20poly1305 = "0.10.1"
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generic_array = "0.14.6"
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[features]
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# by default Tauri runs in production mode
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@ -2,6 +2,25 @@ use std::fmt::{self, Formatter};
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use std::time::{SystemTime, UNIX_EPOCH};
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use aws_smithy_types::date_time::{DateTime, Format};
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use argon2::{
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Argon2,
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Algorithm,
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Version,
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ParamsBuilder,
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password_hash::rand_core::{RngCore, OsRng},
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};
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use chacha20poly1305::{
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XChaCha20Poly1305,
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XNonce,
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aead::{
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Aead,
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AeadCore,
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Key,
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KeyInit,
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Error as AeadError,
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generic_array::GenericArray,
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},
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};
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use serde::{
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Serialize,
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Deserialize,
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@ -10,12 +29,7 @@ use serde::{
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};
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use serde::de::{self, Visitor};
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use sqlx::SqlitePool;
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use sodiumoxide::crypto::{
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pwhash,
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pwhash::Salt,
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secretbox,
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secretbox::{Nonce, Key}
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};
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use crate::errors::*;
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@ -76,8 +90,8 @@ impl Session {
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pub struct LockedCredentials {
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pub access_key_id: String,
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pub secret_key_enc: Vec<u8>,
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pub salt: Salt,
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pub nonce: Nonce,
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pub salt: [u8; 32],
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pub nonce: XNonce,
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}
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impl LockedCredentials {
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@ -97,10 +111,8 @@ impl LockedCredentials {
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}
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pub fn decrypt(&self, passphrase: &str) -> Result<BaseCredentials, UnlockError> {
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let mut key_buf = [0; secretbox::KEYBYTES];
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// pretty sure this only fails if we're out of memory
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pwhash::derive_key_interactive(&mut key_buf, passphrase.as_bytes(), &self.salt).unwrap();
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let decrypted = secretbox::open(&self.secret_key_enc, &self.nonce, &Key(key_buf))
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let crypto = Crypto::new(passphrase, &self.salt);
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let decrypted = crypto.decrypt(&self.nonce, &self.secret_key_enc)
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.map_err(|_| UnlockError::BadPassphrase)?;
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let secret_access_key = String::from_utf8(decrypted)
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.map_err(|_| UnlockError::InvalidUtf8)?;
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@ -122,21 +134,18 @@ pub struct BaseCredentials {
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}
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impl BaseCredentials {
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pub fn encrypt(&self, passphrase: &str) -> LockedCredentials {
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let salt = pwhash::gen_salt();
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let mut key_buf = [0; secretbox::KEYBYTES];
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pwhash::derive_key_interactive(&mut key_buf, passphrase.as_bytes(), &salt).unwrap();
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let key = Key(key_buf);
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let nonce = secretbox::gen_nonce();
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pub fn encrypt(&self, passphrase: &str) -> Result<CryptoError, LockedCredentials> {
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let salt = Crypto::salt();
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let crypto = Crypto::new(passphrase, &salt)?;
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let (nonce, secret_key_enc) = crypto.encrypt(self.secret_access_key.as_bytes());
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let secret_key_enc = secretbox::seal(self.secret_access_key.as_bytes(), &nonce, &key);
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LockedCredentials {
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let locked = LockedCredentials {
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access_key_id: self.access_key_id.clone(),
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secret_key_enc,
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salt,
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nonce,
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}
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};
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Ok(locked)
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}
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}
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@ -241,4 +250,60 @@ fn deserialize_expiration<'de, D>(deserializer: D) -> Result<DateTime, D::Error>
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where D: Deserializer<'de>
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{
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deserializer.deserialize_str(DateTimeVisitor)
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}
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}
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struct Crypto {
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cipher: XChaCha20Poly1305,
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}
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impl Crypto {
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/// Argon2 params rationale:
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///
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/// m_cost is measured in KiB, so 128 * 1024 gives us 128MiB.
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/// This should roughly double the memory usage of the application
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/// while deriving the key.
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///
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/// p_cost is irrelevant since (at present) there isn't any parallelism
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/// implemented, so we leave it at 1.
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///
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/// With the above m_cost, t_cost = 8 results in about 800ms to derive
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/// a key on my (somewhat older) CPU. This is probably overkill, but
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/// given that it should only have to happen ~once a day for most
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/// usage, it should be acceptable.
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fn new(passphrase: &str, salt: &[u8]) -> argon2::Result<Crypto> {
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let params = ParamsBuilder::new()
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.m_cost(128 * 1024)
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.p_cost(1)
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.t_cost(8)
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.build()
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.unwrap(); // only errors if the given params are invalid
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let hasher = Argon2::new(
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Algorithm::Argon2id,
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Version::V0x13,
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params,
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);
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let mut key = [0; 32];
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hasher.hash_password_into(passphrase.as_bytes(), &salt, &mut key)?;
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let cipher = XChaCha20Poly1305::new(GenericArray::from_slice(&key));
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Ok(Crypto { cipher })
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}
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fn salt() -> [u8; 32] {
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let mut salt = [0; 32];
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OsRng.fill_bytes(&mut salt);
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salt
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}
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fn encrypt(&self, data: &[u8]) -> Result<(XNonce, Vec<u8>), AeadError> {
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let nonce = XChaCha20Poly1305::generate_nonce(&mut OsRng);
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let ciphertext = self.cipher.encrypt(&nonce, data)?;
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Ok((nonce, ciphertext))
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}
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fn decrypt(&self, nonce: &XNonce, data: &[u8]) -> Result<Vec<u8>, AeadError> {
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self.cipher.decrypt(nonce, data)
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}
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}
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