v0.1.5 (#40)

Reviewed-on: wrenn/wrenn#40

envd-rs/src/crypto/sha256.rs

@@ -0,0 +1,33 @@
+use base64::Engine;
+use base64::engine::general_purpose::STANDARD_NO_PAD;
+use sha2::{Digest, Sha256};
+
+pub fn hash(data: &[u8]) -> String {
+    let h = Sha256::digest(data);
+    let encoded = STANDARD_NO_PAD.encode(h);
+    format!("$sha256${encoded}")
+}
+
+pub fn hash_without_prefix(data: &[u8]) -> String {
+    let h = Sha256::digest(data);
+    STANDARD_NO_PAD.encode(h)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_hash_format() {
+        let result = hash(b"test");
+        assert!(result.starts_with("$sha256$"));
+        assert!(!result.contains('='));
+    }
+
+    #[test]
+    fn test_hash_without_prefix() {
+        let result = hash_without_prefix(b"test");
+        assert!(!result.starts_with("$sha256$"));
+        assert!(!result.contains('='));
+    }
+}