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https://github.com/kristoferssolo/cipher-workshop.git
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Kristofers Solo
830c457b2a
- Implements core `transform_impl` handling both Encrypt and Decrypt actions. - Implements 10-round AES encryption (standard rounds + final round). - Implements 10-round AES decryption (inverse rounds + final inverse round). - Adds `add_round_key` helper to XOR state with subkey block.
54 lines
1.8 KiB
Rust
54 lines
1.8 KiB
Rust
use cipher_core::BlockCipher;
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use rstest::rstest;
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const TEST_KEY: u128 = 0x2B7E_1516_28AE_D2A6_ABF7_1588_09CF_4F3C;
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const TEST_PLAINTEXT: u128 = 0x6BC1_BEE2_2E40_9F96_E93D_7E11_7393_1728;
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const TEST_CIPHERTEXT: u128 = 0x3AD7_7BB4_0D7A_3660_A89E_CAF3_2466_EF97;
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// #[rstest]
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// #[case(TEST_PLAINTEXT, TEST_CIPHERTEXT, TEST_KEY)]
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// // NIST SP 800-38A ECB mode test vectors
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// #[case(
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// 0xAE2D_8A57_1E03_AC9C_9EB7_6FAC_45AF_8E51,
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// 0xF5D3_D585_03B9_699D_E785_895A_96FD_BAAF,
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// 0x2B7E_1516_28AE_D2A6_ABF7_1588_09CF_4F3C
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// )]
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// #[case(
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// 0x30C8_1C46_A35C_E411_E5FB_C119_1A0A_52EF,
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// 0x43B1_CD7F_598E_CE23_881B_00E3_ED03_0688,
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// 0x2B7E_1516_28AE_D2A6_ABF7_1588_09CF_4F3C
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// )]
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// #[case(
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// 0xF69F_2445_DF4F_9B17_AD2B_417B_E66C_3710,
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// 0x7B0C_785E_27E8_AD3F_8223_2071_0472_5DD4,
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// 0x2B7E_1516_28AE_D2A6_ABF7_1588_09CF_4F3C
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// )]
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// fn encrypt_decrypt_roundtrip(
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// #[case] plaintext: u128,
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// #[case] expected_ciphertext: u128,
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// #[case] key: u128,
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// ) {
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// use aes::Aes;
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//
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// let aes = Aes::new(key);
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// let pt_bytes = plaintext.to_be_bytes();
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//
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// // Test Encrypt
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// let ciphertext = aes.encrypt(&pt_bytes).expect("Encryption failed");
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// let ciphertext_u128 = u128::from_be_bytes(ciphertext.as_slice().try_into().unwrap());
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//
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// assert_eq!(
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// ciphertext_u128, expected_ciphertext,
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// "Encryption mismatch.\nExpected: 0x{expected_ciphertext:032X}\nGot: 0x{ciphertext_u128:032X}"
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// );
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//
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// // Test Decrypt
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// let decrypted = aes.decrypt(&ciphertext).expect("Decryption failed");
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// let decrypted_u128 = u128::from_be_bytes(decrypted.as_slice().try_into().unwrap());
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//
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// assert_eq!(
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// decrypted_u128, plaintext,
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// "Decryption mismatch.\nExpected: 0x{plaintext:032X}\nGot: 0x{decrypted_u128:032X}"
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// );
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// }
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