Add get_publisher_id function

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "package-family-name"
-version = "1.1.0"
+version = "1.2.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 categories = ["no-std"]

src/lib.rs

@@ -8,21 +8,22 @@ use fast32::base32::CROCKFORD_LOWER;
 use sha2::{Digest, Sha256};
 
 pub fn get_package_family_name(identity_name: &str, identity_publisher: &str) -> String {
+    format!("{identity_name}_{}", get_publisher_id(identity_publisher))
+}
+
+pub fn get_publisher_id(identity_publisher: &str) -> String {
     let publisher_sha_256 = identity_publisher
         .encode_utf16()
         .flat_map(u16::to_le_bytes)
         .fold(Sha256::new(), |buf, byte| buf.chain_update([byte]))
         .finalize();
 
-    format!(
-        "{identity_name}_{}",
-        CROCKFORD_LOWER.encode(&publisher_sha_256[..8])
-    )
+    CROCKFORD_LOWER.encode(&publisher_sha_256[..8])
 }
 
 #[cfg(test)]
 mod tests {
-    use crate::get_package_family_name;
+    use crate::{get_package_family_name, get_publisher_id};
 
     #[test]
     fn test_package_family_name() {
@@ -31,4 +32,9 @@ mod tests {
             "AppName_zj75k085cmj1a"
         );
     }
+
+    #[test]
+    fn test_package_family_hash() {
+        assert_eq!(get_publisher_id("Publisher Software"), "zj75k085cmj1a");
+    }
 }