Start on Hashing Algorithms Section 🥔

Author: c1m50c

src/hashing_algorithms/mod.rs

@@ -0,0 +1 @@
+pub(crate) mod sha_256;

src/hashing_algorithms/sha_256.rs

@@ -0,0 +1,45 @@
+use std::vec::Vec;
+
+const H0: u32 = 0x6a09e667;
+const H1: u32 = 0xbb67ae85;
+const H2: u32 = 0x3c6ef372;
+const H3: u32 = 0xa54ff53a;
+const H4: u32 = 0x510e527f;
+const H5: u32 = 0x9b05688c;
+const H6: u32 = 0x1f83d9ab;
+const H7: u32 = 0x5be0cd19;
+
+const K: [u32; 64] = [
+    0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+    0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+    0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
+    0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
+    0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+    0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
+    0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
+    0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2,
+];
+
+
+fn pre_process(mut input: Vec<u8>) -> Vec<u8> {
+    return input;
+}
+
+
+fn get_chunks(padded_input: Vec<u8>) -> Vec<[u8; 512]> {
+    return Vec::new();
+}
+
+
+pub fn sha_256(input: String) -> String {
+    let padded = pre_process(input.bytes().collect::<Vec<u8>>());
+    let chunks = get_chunks(padded);
+    
+    return String::new();
+}
+
+
+#[cfg(test)]
+mod tests {
+    use super::sha_256;
+}

src/lib.rs

@@ -1,5 +1,6 @@
 pub(crate) mod sorting_algorithms;
 pub(crate) mod searching_algorithms;
+pub(crate) mod hashing_algorithms;
 
 
 #[cfg(test)]