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feat: v1.9.15, Secure Enclave ML-KEM-768, ML-KEM-1024 encrypt/decrypt

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Hatter Jiang
2025-09-27 20:51:56 +08:00
parent d75c589b66
commit c176021c81
4 changed files with 115 additions and 90 deletions
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170
Cargo.lock generated
View File

@@ -104,7 +104,7 @@ dependencies = [
"num-traits",
"rusticata-macros",
"thiserror 2.0.16",
"time 0.3.43",
"time 0.3.44",
]
[[package]]
@@ -206,9 +206,9 @@ checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
[[package]]
name = "cc"
version = "1.2.37"
version = "1.2.39"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "65193589c6404eb80b450d618eaf9a2cafaaafd57ecce47370519ef674a7bd44"
checksum = "e1354349954c6fc9cb0deab020f27f783cf0b604e8bb754dc4658ecf0d29c35f"
dependencies = [
"find-msvc-tools",
"jobserver",
@@ -248,7 +248,7 @@ dependencies = [
"js-sys",
"num-traits",
"wasm-bindgen",
"windows-link 0.2.0",
"windows-link",
]
[[package]]
@@ -263,9 +263,9 @@ dependencies = [
[[package]]
name = "clap"
version = "4.5.47"
version = "4.5.48"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7eac00902d9d136acd712710d71823fb8ac8004ca445a89e73a41d45aa712931"
checksum = "e2134bb3ea021b78629caa971416385309e0131b351b25e01dc16fb54e1b5fae"
dependencies = [
"clap_builder",
"clap_derive",
@@ -273,9 +273,9 @@ dependencies = [
[[package]]
name = "clap_builder"
version = "4.5.47"
version = "4.5.48"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2ad9bbf750e73b5884fb8a211a9424a1906c1e156724260fdae972f31d70e1d6"
checksum = "c2ba64afa3c0a6df7fa517765e31314e983f51dda798ffba27b988194fb65dc9"
dependencies = [
"anstream",
"anstyle",
@@ -330,7 +330,7 @@ dependencies = [
"libc",
"once_cell",
"unicode-width",
"windows-sys 0.61.0",
"windows-sys 0.61.1",
]
[[package]]
@@ -409,7 +409,7 @@ checksum = "881c5d0a13b2f1498e2306e82cbada78390e152d4b1378fb28a84f4dcd0dc4f3"
dependencies = [
"dispatch",
"nix",
"windows-sys 0.61.0",
"windows-sys 0.61.1",
]
[[package]]
@@ -484,9 +484,9 @@ dependencies = [
[[package]]
name = "deranged"
version = "0.5.3"
version = "0.5.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d630bccd429a5bb5a64b5e94f693bfc48c9f8566418fda4c494cc94f911f87cc"
checksum = "a41953f86f8a05768a6cda24def994fd2f424b04ec5c719cf89989779f199071"
dependencies = [
"powerfmt",
]
@@ -623,7 +623,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
dependencies = [
"libc",
"windows-sys 0.61.0",
"windows-sys 0.61.1",
]
[[package]]
@@ -663,9 +663,9 @@ checksum = "28dea519a9695b9977216879a3ebfddf92f1c08c05d984f8996aecd6ecdc811d"
[[package]]
name = "find-msvc-tools"
version = "0.1.1"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7fd99930f64d146689264c637b5af2f0233a933bef0d8570e2526bf9e083192d"
checksum = "1ced73b1dacfc750a6db6c0a0c3a3853c8b41997e2e2c563dc90804ae6867959"
[[package]]
name = "flagset"
@@ -743,7 +743,7 @@ dependencies = [
"cfg-if",
"libc",
"r-efi",
"wasi 0.14.5+wasi-0.2.4",
"wasi 0.14.7+wasi-0.2.4",
]
[[package]]
@@ -912,9 +912,9 @@ dependencies = [
[[package]]
name = "js-sys"
version = "0.3.78"
version = "0.3.81"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0c0b063578492ceec17683ef2f8c5e89121fbd0b172cbc280635ab7567db2738"
checksum = "ec48937a97411dcb524a265206ccd4c90bb711fca92b2792c407f268825b9305"
dependencies = [
"once_cell",
"wasm-bindgen",
@@ -961,9 +961,9 @@ dependencies = [
[[package]]
name = "libc"
version = "0.2.175"
version = "0.2.176"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6a82ae493e598baaea5209805c49bbf2ea7de956d50d7da0da1164f9c6d28543"
checksum = "58f929b4d672ea937a23a1ab494143d968337a5f47e56d0815df1e0890ddf174"
[[package]]
name = "libm"
@@ -973,9 +973,9 @@ checksum = "f9fbbcab51052fe104eb5e5d351cf728d30a5be1fe14d9be8a3b097481fb97de"
[[package]]
name = "libredox"
version = "0.1.9"
version = "0.1.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "391290121bad3d37fbddad76d8f5d1c1c314cfc646d143d7e07a3086ddff0ce3"
checksum = "416f7e718bdb06000964960ffa43b4335ad4012ae8b99060261aa4a8088d5ccb"
dependencies = [
"bitflags",
"libc",
@@ -1001,9 +1001,9 @@ checksum = "34080505efa8e45a4b816c349525ebe327ceaa8559756f0356cba97ef3bf7432"
[[package]]
name = "memchr"
version = "2.7.5"
version = "2.7.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "32a282da65faaf38286cf3be983213fcf1d2e2a58700e808f83f4ea9a4804bc0"
checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
[[package]]
name = "minimal-lexical"
@@ -1668,7 +1668,7 @@ dependencies = [
"errno",
"libc",
"linux-raw-sys 0.11.0",
"windows-sys 0.61.0",
"windows-sys 0.61.1",
]
[[package]]
@@ -1717,9 +1717,9 @@ dependencies = [
[[package]]
name = "security-framework"
version = "3.4.0"
version = "3.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "60b369d18893388b345804dc0007963c99b7d665ae71d275812d828c6f089640"
checksum = "cc198e42d9b7510827939c9a15f5062a0c913f3371d765977e586d2fe6c16f4a"
dependencies = [
"bitflags",
"core-foundation",
@@ -1740,24 +1740,34 @@ dependencies = [
[[package]]
name = "semver"
version = "1.0.26"
version = "1.0.27"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "56e6fa9c48d24d85fb3de5ad847117517440f6beceb7798af16b4a87d616b8d0"
checksum = "d767eb0aabc880b29956c35734170f26ed551a859dbd361d140cdbeca61ab1e2"
[[package]]
name = "serde"
version = "1.0.219"
version = "1.0.227"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
checksum = "80ece43fc6fbed4eb5392ab50c07334d3e577cbf40997ee896fe7af40bba4245"
dependencies = [
"serde_core",
"serde_derive",
]
[[package]]
name = "serde_core"
version = "1.0.227"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7a576275b607a2c86ea29e410193df32bc680303c82f31e275bbfcafe8b33be5"
dependencies = [
"serde_derive",
]
[[package]]
name = "serde_derive"
version = "1.0.219"
version = "1.0.227"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
checksum = "51e694923b8824cf0e9b382adf0f60d4e05f348f357b38833a3fa5ed7c2ede04"
dependencies = [
"proc-macro2",
"quote",
@@ -1766,14 +1776,15 @@ dependencies = [
[[package]]
name = "serde_json"
version = "1.0.143"
version = "1.0.145"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d401abef1d108fbd9cbaebc3e46611f4b1021f714a0597a71f41ee463f5f4a5a"
checksum = "402a6f66d8c709116cf22f558eab210f5a50187f702eb4d7e5ef38d9a7f1c79c"
dependencies = [
"itoa",
"memchr",
"ryu",
"serde",
"serde_core",
]
[[package]]
@@ -1876,9 +1887,9 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
[[package]]
name = "swift-secure-enclave-tool-rs"
version = "1.2.3"
version = "1.2.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "371944613f52b9f8ae07e571f8ec496bf3f23cc3705f06e80a826093fb19c021"
checksum = "9edcbe35395fc8413d136a58861452159ec0367cef8b56aaf6c59edd1e0a0a1e"
dependencies = [
"base64 0.22.1",
"hex",
@@ -1935,15 +1946,15 @@ dependencies = [
[[package]]
name = "tempfile"
version = "3.22.0"
version = "3.23.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "84fa4d11fadde498443cca10fd3ac23c951f0dc59e080e9f4b93d4df4e4eea53"
checksum = "2d31c77bdf42a745371d260a26ca7163f1e0924b64afa0b688e61b5a9fa02f16"
dependencies = [
"fastrand",
"getrandom 0.3.3",
"once_cell",
"rustix 1.1.2",
"windows-sys 0.61.0",
"windows-sys 0.61.1",
]
[[package]]
@@ -2029,11 +2040,12 @@ dependencies = [
[[package]]
name = "time"
version = "0.3.43"
version = "0.3.44"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "83bde6f1ec10e72d583d91623c939f623002284ef622b87de38cfd546cbf2031"
checksum = "91e7d9e3bb61134e77bde20dd4825b97c010155709965fedf0f49bb138e52a9d"
dependencies = [
"deranged",
"itoa",
"num-conv",
"powerfmt",
"serde",
@@ -2059,7 +2071,7 @@ dependencies = [
[[package]]
name = "tiny-encrypt"
version = "1.9.14"
version = "1.9.15"
dependencies = [
"aes-gcm-stream",
"base64 0.22.1",
@@ -2206,27 +2218,27 @@ checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
[[package]]
name = "wasi"
version = "0.14.5+wasi-0.2.4"
version = "0.14.7+wasi-0.2.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a4494f6290a82f5fe584817a676a34b9d6763e8d9d18204009fb31dceca98fd4"
checksum = "883478de20367e224c0090af9cf5f9fa85bed63a95c1abf3afc5c083ebc06e8c"
dependencies = [
"wasip2",
]
[[package]]
name = "wasip2"
version = "1.0.0+wasi-0.2.4"
version = "1.0.1+wasi-0.2.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "03fa2761397e5bd52002cd7e73110c71af2109aca4e521a9f40473fe685b0a24"
checksum = "0562428422c63773dad2c345a1882263bbf4d65cf3f42e90921f787ef5ad58e7"
dependencies = [
"wit-bindgen",
]
[[package]]
name = "wasm-bindgen"
version = "0.2.101"
version = "0.2.104"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7e14915cadd45b529bb8d1f343c4ed0ac1de926144b746e2710f9cd05df6603b"
checksum = "c1da10c01ae9f1ae40cbfac0bac3b1e724b320abfcf52229f80b547c0d250e2d"
dependencies = [
"cfg-if",
"once_cell",
@@ -2237,9 +2249,9 @@ dependencies = [
[[package]]
name = "wasm-bindgen-backend"
version = "0.2.101"
version = "0.2.104"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e28d1ba982ca7923fd01448d5c30c6864d0a14109560296a162f80f305fb93bb"
checksum = "671c9a5a66f49d8a47345ab942e2cb93c7d1d0339065d4f8139c486121b43b19"
dependencies = [
"bumpalo",
"log",
@@ -2251,9 +2263,9 @@ dependencies = [
[[package]]
name = "wasm-bindgen-macro"
version = "0.2.101"
version = "0.2.104"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7c3d463ae3eff775b0c45df9da45d68837702ac35af998361e2c84e7c5ec1b0d"
checksum = "7ca60477e4c59f5f2986c50191cd972e3a50d8a95603bc9434501cf156a9a119"
dependencies = [
"quote",
"wasm-bindgen-macro-support",
@@ -2261,9 +2273,9 @@ dependencies = [
[[package]]
name = "wasm-bindgen-macro-support"
version = "0.2.101"
version = "0.2.104"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7bb4ce89b08211f923caf51d527662b75bdc9c9c7aab40f86dcb9fb85ac552aa"
checksum = "9f07d2f20d4da7b26400c9f4a0511e6e0345b040694e8a75bd41d578fa4421d7"
dependencies = [
"proc-macro2",
"quote",
@@ -2274,9 +2286,9 @@ dependencies = [
[[package]]
name = "wasm-bindgen-shared"
version = "0.2.101"
version = "0.2.104"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f143854a3b13752c6950862c906306adb27c7e839f7414cec8fea35beab624c1"
checksum = "bad67dc8b2a1a6e5448428adec4c3e84c43e561d8c9ee8a9e5aabeb193ec41d1"
dependencies = [
"unicode-ident",
]
@@ -2327,22 +2339,22 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]]
name = "windows-core"
version = "0.62.0"
version = "0.62.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "57fe7168f7de578d2d8a05b07fd61870d2e73b4020e9f49aa00da8471723497c"
checksum = "6844ee5416b285084d3d3fffd743b925a6c9385455f64f6d4fa3031c4c2749a9"
dependencies = [
"windows-implement",
"windows-interface",
"windows-link 0.2.0",
"windows-link",
"windows-result",
"windows-strings",
]
[[package]]
name = "windows-implement"
version = "0.60.0"
version = "0.60.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a47fddd13af08290e67f4acabf4b459f647552718f683a7b415d290ac744a836"
checksum = "edb307e42a74fb6de9bf3a02d9712678b22399c87e6fa869d6dfcd8c1b7754e0"
dependencies = [
"proc-macro2",
"quote",
@@ -2351,21 +2363,15 @@ dependencies = [
[[package]]
name = "windows-interface"
version = "0.59.1"
version = "0.59.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bd9211b69f8dcdfa817bfd14bf1c97c9188afa36f4750130fcdf3f400eca9fa8"
checksum = "c0abd1ddbc6964ac14db11c7213d6532ef34bd9aa042c2e5935f59d7908b46a5"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "windows-link"
version = "0.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5e6ad25900d524eaabdbbb96d20b4311e1e7ae1699af4fb28c17ae66c80d798a"
[[package]]
name = "windows-link"
version = "0.2.0"
@@ -2378,7 +2384,7 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7084dcc306f89883455a206237404d3eaf961e5bd7e0f312f7c91f57eb44167f"
dependencies = [
"windows-link 0.2.0",
"windows-link",
]
[[package]]
@@ -2387,7 +2393,7 @@ version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7218c655a553b0bed4426cf54b20d7ba363ef543b52d515b3e48d7fd55318dda"
dependencies = [
"windows-link 0.2.0",
"windows-link",
]
[[package]]
@@ -2414,16 +2420,16 @@ version = "0.60.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f2f500e4d28234f72040990ec9d39e3a6b950f9f22d3dba18416c35882612bcb"
dependencies = [
"windows-targets 0.53.3",
"windows-targets 0.53.4",
]
[[package]]
name = "windows-sys"
version = "0.61.0"
version = "0.61.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e201184e40b2ede64bc2ea34968b28e33622acdbbf37104f0e4a33f7abe657aa"
checksum = "6f109e41dd4a3c848907eb83d5a42ea98b3769495597450cf6d153507b166f0f"
dependencies = [
"windows-link 0.2.0",
"windows-link",
]
[[package]]
@@ -2444,11 +2450,11 @@ dependencies = [
[[package]]
name = "windows-targets"
version = "0.53.3"
version = "0.53.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d5fe6031c4041849d7c496a8ded650796e7b6ecc19df1a431c1a363342e5dc91"
checksum = "2d42b7b7f66d2a06854650af09cfdf8713e427a439c97ad65a6375318033ac4b"
dependencies = [
"windows-link 0.1.3",
"windows-link",
"windows_aarch64_gnullvm 0.53.0",
"windows_aarch64_msvc 0.53.0",
"windows_i686_gnu 0.53.0",
@@ -2557,9 +2563,9 @@ checksum = "271414315aff87387382ec3d271b52d7ae78726f5d44ac98b4f4030c91880486"
[[package]]
name = "wit-bindgen"
version = "0.45.1"
version = "0.46.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5c573471f125075647d03df72e026074b7203790d41351cd6edc96f46bcccd36"
checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
[[package]]
name = "x25519-dalek"
@@ -2601,7 +2607,7 @@ dependencies = [
"oid-registry",
"rusticata-macros",
"thiserror 2.0.16",
"time 0.3.43",
"time 0.3.44",
]
[[package]]

2
Cargo.toml
View File

@@ -1,6 +1,6 @@
[package]
name = "tiny-encrypt"
version = "1.9.14"
version = "1.9.15"
edition = "2021"
license = "MIT"
description = "A simple and tiny file encrypt tool"

8
src/cmd_decrypt.rs
View File

@@ -29,6 +29,8 @@ use crate::compress::GzStreamDecoder;
use crate::config::TinyEncryptConfig;
use crate::consts::{
DATE_TIME_FORMAT,
ENC_AES256_GCM_MLKEM768, ENC_AES256_GCM_MLKEM1024,
ENC_CHACHA20_POLY1305_MLKEM768, ENC_CHACHA20_POLY1305_MLKEM1024,
ENC_AES256_GCM_KYBER1204, ENC_AES256_GCM_P256, ENC_AES256_GCM_P384,
ENC_AES256_GCM_X25519, ENC_CHACHA20_POLY1305_KYBER1204, ENC_CHACHA20_POLY1305_P256,
ENC_CHACHA20_POLY1305_P384, ENC_CHACHA20_POLY1305_X25519,
@@ -468,6 +470,7 @@ pub fn try_decrypt_key(config: &Option<TinyEncryptConfig>,
TinyEncryptEnvelopType::StaticX25519 => try_decrypt_key_ecdh_static_x25519(config, envelop),
TinyEncryptEnvelopType::PivP256 | TinyEncryptEnvelopType::PivP384 => try_decrypt_piv_key_ecdh(config, envelop, pin, slot, silent),
TinyEncryptEnvelopType::KeyP256 => try_decrypt_se_key_ecdh(config, envelop),
TinyEncryptEnvelopType::KeyMlKem768 | TinyEncryptEnvelopType::KeyMlKem1024 => try_decrypt_se_key_ecdh(config, envelop),
TinyEncryptEnvelopType::ExtP256 | TinyEncryptEnvelopType::ExtP384 => try_decrypt_ext_key_ecdh(config, envelop),
TinyEncryptEnvelopType::PivRsa => try_decrypt_piv_key_rsa(config, envelop, pin, slot, silent),
#[cfg(feature = "macos")]
@@ -559,8 +562,8 @@ fn try_decrypt_se_key_ecdh(config: &Option<TinyEncryptConfig>,
envelop: &TinyEncryptEnvelop) -> XResult<Vec<u8>> {
let wrap_key = WrapKey::parse(&envelop.encrypted_key)?;
let cryptor = match wrap_key.header.enc.as_str() {
ENC_AES256_GCM_P256 => Cryptor::Aes256Gcm,
ENC_CHACHA20_POLY1305_P256 => Cryptor::ChaCha20Poly1305,
ENC_AES256_GCM_P256 | ENC_AES256_GCM_MLKEM768 | ENC_AES256_GCM_MLKEM1024 => Cryptor::Aes256Gcm,
ENC_CHACHA20_POLY1305_P256 | ENC_CHACHA20_POLY1305_MLKEM768 | ENC_CHACHA20_POLY1305_MLKEM1024 => Cryptor::ChaCha20Poly1305,
_ => return simple_error!("Unsupported header enc: {}", &wrap_key.header.enc),
};
let e_pub_key_bytes = wrap_key.header.get_e_pub_key_bytes()?;
@@ -588,6 +591,7 @@ fn try_decrypt_se_key_ecdh(config: &Option<TinyEncryptConfig>,
};
let shared_secret = opt_result!(util_keychainkey::decrypt_data(
envelop.r#type,
&private_key_base64,
&e_pub_key_bytes
), "Decrypt via secure enclave failed: {}");

21
src/util_keychainkey.rs
View File

@@ -1,21 +1,36 @@
use base64::engine::general_purpose::STANDARD;
use base64::Engine;
use rust_util::{simple_error, XResult};
use swift_secure_enclave_tool_rs::{ControlFlag, KeyPurpose};
use swift_secure_enclave_tool_rs::{ControlFlag, KeyMlKem, KeyPurpose};
use crate::spec::TinyEncryptEnvelopType;
pub fn is_support_se() -> bool {
swift_secure_enclave_tool_rs::is_secure_enclave_supported().unwrap_or(false)
}
pub fn decrypt_data(
envelop_type: TinyEncryptEnvelopType,
private_key_base64: &str,
ephemeral_public_key_bytes: &[u8],
) -> XResult<Vec<u8>> {
let private_key_representation = STANDARD.decode(private_key_base64)?;
let shared_secret = swift_secure_enclave_tool_rs::private_key_ecdh(
let shared_secret = match envelop_type {
TinyEncryptEnvelopType::KeyP256 => swift_secure_enclave_tool_rs::private_key_ecdh(
&private_key_representation,
ephemeral_public_key_bytes,
)?;
)?,
TinyEncryptEnvelopType::KeyMlKem768 => swift_secure_enclave_tool_rs::private_key_mlkem_ecdh(
KeyMlKem::MlKem768,
&private_key_representation,
ephemeral_public_key_bytes,
)?,
TinyEncryptEnvelopType::KeyMlKem1024 => swift_secure_enclave_tool_rs::private_key_mlkem_ecdh(
KeyMlKem::MlKem1024,
&private_key_representation,
ephemeral_public_key_bytes,
)?,
_ => return simple_error!("Invalid envelop type: {:?}", envelop_type),
};
Ok(shared_secret)
}