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feat: finish pc1 implementation

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Kristofers Solo
2025-10-01 16:32:51 +03:00
parent acd72b0472
commit 6cda261f0f
2 changed files with 153 additions and 51 deletions
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18
src/constants.rs
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@@ -13,20 +13,22 @@ pub const FP: [u8; 64] = [
34, 2, 42, 10, 50, 18, 58, 26, 33, 1, 41, 9, 49, 17, 57, 25,
];
/// PC1 table (64 to 56 bits).
pub const PC1: [u8; 64] = [
/// Key Permutation table (64 to 56 bits).
pub const PC1_TABLE: [u8; 56] = [
57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35, 27, 19, 11, 3, 60,
52, 44, 36, 28, 20, 12, 4, 61, 53, 45, 37, 29, 21, 13, 5, 62, 54, 46, 38, 30, 22, 14, 6, 63,
55, 47, 39, 31, 23, 15, 7, 0, 0, 0, 0, 0, 0, 0, 0, // Parity bits skipped
52, 44, 36, 63, 55, 47, 39, 31, 23, 15, 7, 62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29,
21, 13, 5, 28, 20, 12, 4,
];
/// PC2 table (56 to 48 bits).
pub const PC2: [u8; 56] = [
/// Compression Permutation table (56 to 48 bits).
pub const PC2_TABLE: [u8; 48] = [
14, 17, 11, 24, 1, 5, 3, 28, 15, 6, 21, 10, 23, 19, 12, 4, 26, 8, 16, 7, 27, 20, 13, 2, 41, 52,
31, 37, 47, 55, 30, 40, 51, 45, 33, 48, 44, 49, 39, 56, 34, 53, 46, 42, 50, 36, 29, 32, 0, 0,
0, 0, 0, 0, 0, 0, // Parity bits skipped
31, 37, 47, 55, 30, 40, 51, 45, 33, 48, 44, 49, 39, 56, 34, 53, 46, 42, 50, 36, 29, 32,
];
/// Number of Key Bits Shifted per Round
pub const ROUND_ROTATIONS: [u8; 16] = [1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1];
/// Expansion permutation (32 to 48 bits).
pub const EXPANSION: [u8; 48] = [
32, 1, 2, 3, 4, 5, 4, 5, 6, 7, 8, 9, 8, 9, 10, 11, 12, 13, 12, 13, 14, 15, 16, 17, 16, 17, 18,