cryptopals

Unnamed repository; edit this file 'description' to name the repository.
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commit a3ce6595cab37de33d01f94166278ad2792be180
parent 6552eeaa66a3a3a390e3b41a3b435dd14283220f
Author: minerva-jupiter <ryouturn@gmail.com>
Date:   Sat, 28 Mar 2026 13:05:16 +0900

feat(cryptopals): Add solutions for Set 1, Challenges 5 and 7

Diffstat:
MCargo.lock | 156+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
MCargo.toml | 2++
R4.txt -> assets/1-4.txt | 0
Aassets/1-6.txt | 64++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Aassets/1-7.txt | 64++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Asrc/bin/1-5.rs | 28++++++++++++++++++++++++++++
Asrc/bin/1-7.rs | 21+++++++++++++++++++++
7 files changed, 335 insertions(+), 0 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock @@ -3,5 +3,161 @@ version = 4 [[package]] +name = "base64" +version = "0.22.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6" + +[[package]] +name = "bitflags" +version = "2.11.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "843867be96c8daad0d758b57df9392b6d8d271134fce549de6ce169ff98a92af" + +[[package]] +name = "cc" +version = "1.2.58" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e1e928d4b69e3077709075a938a05ffbedfa53a84c8f766efbf8220bb1ff60e1" +dependencies = [ + "find-msvc-tools", + "shlex", +] + +[[package]] +name = "cfg-if" +version = "1.0.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801" + +[[package]] name = "cryptopals" version = "0.1.0" +dependencies = [ + "base64", + "openssl", +] + +[[package]] +name = "find-msvc-tools" +version = "0.1.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5baebc0774151f905a1a2cc41989300b1e6fbb29aff0ceffa1064fdd3088d582" + +[[package]] +name = "foreign-types" +version = "0.3.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1" +dependencies = [ + "foreign-types-shared", +] + +[[package]] +name = "foreign-types-shared" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b" + +[[package]] +name = "libc" +version = "0.2.183" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b5b646652bf6661599e1da8901b3b9522896f01e736bad5f723fe7a3a27f899d" + +[[package]] +name = "once_cell" +version = "1.21.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50" + +[[package]] +name = "openssl" +version = "0.10.76" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "951c002c75e16ea2c65b8c7e4d3d51d5530d8dfa7d060b4776828c88cfb18ecf" +dependencies = [ + "bitflags", + "cfg-if", + "foreign-types", + "libc", + "once_cell", + "openssl-macros", + "openssl-sys", +] + +[[package]] +name = "openssl-macros" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "openssl-sys" +version = "0.9.112" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "57d55af3b3e226502be1526dfdba67ab0e9c96fc293004e79576b2b9edb0dbdb" +dependencies = [ + "cc", + "libc", + "pkg-config", + "vcpkg", +] + +[[package]] +name = "pkg-config" +version = "0.3.32" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7edddbd0b52d732b21ad9a5fab5c704c14cd949e5e9a1ec5929a24fded1b904c" + +[[package]] +name = "proc-macro2" +version = "1.0.106" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934" +dependencies = [ + "unicode-ident", +] + +[[package]] +name = "quote" +version = "1.0.45" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "41f2619966050689382d2b44f664f4bc593e129785a36d6ee376ddf37259b924" +dependencies = [ + "proc-macro2", +] + +[[package]] +name = "shlex" +version = "1.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64" + +[[package]] +name = "syn" +version = "2.0.117" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99" +dependencies = [ + "proc-macro2", + "quote", + "unicode-ident", +] + +[[package]] +name = "unicode-ident" +version = "1.0.24" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75" + +[[package]] +name = "vcpkg" +version = "0.2.15" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426" diff --git a/Cargo.toml b/Cargo.toml @@ -4,3 +4,5 @@ version = "0.1.0" edition = "2024" [dependencies] +base64 = "0.22.1" +openssl = "0.10.76" diff --git a/4.txt b/assets/1-4.txt diff --git a/assets/1-6.txt b/assets/1-6.txt @@ -0,0 +1,64 @@ +HUIfTQsPAh9PE048GmllH0kcDk4TAQsHThsBFkU2AB4BSWQgVB0dQzNTTmVS +BgBHVBwNRU0HBAxTEjwMHghJGgkRTxRMIRpHKwAFHUdZEQQJAGQmB1MANxYG +DBoXQR0BUlQwXwAgEwoFR08SSAhFTmU+Fgk4RQYFCBpGB08fWXh+amI2DB0P +QQ1IBlUaGwAdQnQEHgFJGgkRAlJ6f0kASDoAGhNJGk9FSA8dDVMEOgFSGQEL +QRMGAEwxX1NiFQYHCQdUCxdBFBZJeTM1CxsBBQ9GB08dTnhOSCdSBAcMRVhI +CEEATyBUCHQLHRlJAgAOFlwAUjBpZR9JAgJUAAELB04CEFMBJhAVTQIHAh9P +G054MGk2UgoBCVQGBwlTTgIQUwg7EAYFSQ8PEE87ADpfRyscSWQzT1QCEFMa +TwUWEXQMBk0PAg4DQ1JMPU4ALwtJDQhOFw0VVB1PDhxFXigLTRkBEgcKVVN4 +Tk9iBgELR1MdDAAAFwoFHww6Ql5NLgFBIg4cSTRWQWI1Bk9HKn47CE8BGwFT +QjcEBx4MThUcDgYHKxpUKhdJGQZZVCFFVwcDBVMHMUV4LAcKQR0JUlk3TwAm +HQdJEwATARNFTg5JFwQ5C15NHQYEGk94dzBDADsdHE4UVBUaDE5JTwgHRTkA +Umc6AUETCgYAN1xGYlUKDxJTEUgsAA0ABwcXOwlSGQELQQcbE0c9GioWGgwc +AgcHSAtPTgsAABY9C1VNCAINGxgXRHgwaWUfSQcJABkRRU8ZAUkDDTUWF01j +OgkRTxVJKlZJJwFJHQYADUgRSAsWSR8KIgBSAAxOABoLUlQwW1RiGxpOCEtU +YiROCk8gUwY1C1IJCAACEU8QRSxORTBSHQYGTlQJC1lOBAAXRTpCUh0FDxhU +ZXhzLFtHJ1JbTkoNVDEAQU4bARZFOwsXTRAPRlQYE042WwAuGxoaAk5UHAoA +ZCYdVBZ0ChQLSQMYVAcXQTwaUy1SBQsTAAAAAAAMCggHRSQJExRJGgkGAAdH +MBoqER1JJ0dDFQZFRhsBAlMMIEUHHUkPDxBPH0EzXwArBkkdCFUaDEVHAQAN +U29lSEBAWk44G09fDXhxTi0RAk4ITlQbCk0LTx4cCjBFeCsGHEETAB1EeFZV 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println!("Enter key:"); + let mut key = String::new(); + std::io::stdin().read_line(&mut key)?; + let key_bytes = key.into_bytes(); + let mut crypted: Vec<Vec<u8>> = Vec::new(); + for _ in 0..2 { + let mut input = String::new(); + std::io::stdin().read_line(&mut input)?; + crypted.push(xor(&input.into_bytes(), &key_bytes)); + } + println!(""); + for c in &crypted { + println!("{}", bytes_to_hex(c)); + } + Ok(()) +} + +fn bytes_to_hex(bytes: &[u8]) -> String { + bytes.iter().map(|b| format!("{:02x}", b)).collect() +} +fn xor(first: &[u8], second: &[u8]) -> Vec<u8> { + first + .iter() + .zip(second.iter().cycle()) + .map(|(a, b)| a ^ b) + .collect() +} diff --git a/src/bin/1-7.rs b/src/bin/1-7.rs @@ -0,0 +1,21 @@ +use base64::prelude::*; +use openssl::symm::{Cipher, decrypt}; +use std::io::{self, Read}; + +fn main() -> Result<(), Box<dyn std::error::Error>> { + let mut buffer = String::new(); + io::stdin().read_to_string(&mut buffer)?; + let b64_data = buffer.replace('\n', "").replace('\r', ""); + const KEY: &str = "YELLOW SUBMARINE"; + let decoded = BASE64_STANDARD.decode(b64_data.as_bytes())?; + let decrypted = decode_aes(&decoded, KEY)?; + print!("{}", decrypted); + Ok(()) +} +fn decode_aes(input: &[u8], key_str: &str) -> Result<String, Box<dyn std::error::Error>> { + let key = key_str.as_bytes(); + let iv: Option<&[u8]> = None; + let cipher = Cipher::aes_128_ecb(); + let decoded = decrypt(cipher, key, iv, input)?; + Ok(String::from_utf8(decoded)?) +}