static public String calcLibraryMd5Placeholder(String enm, String arc) {
		int hi = 0xb1b110;
		int lo = 0xfabafaba;
		for (int i = 0; i < enm.length(); ++i) {
			final int feed = lo >>> 24;
			lo = SimpleCRC32.hashOneByte(lo, enm.charAt(i) & 0xff);
			hi = SimpleCRC32.hashOneByte(hi, feed);
		}
		lo ^= 0xf1b1f1b1;
		for (int i = 0; i < arc.length(); ++i) {
			final int feed = lo >>> 24;
			lo = SimpleCRC32.hashOneByte(lo, arc.charAt(i) & 0xff);
			hi = SimpleCRC32.hashOneByte(hi, feed);
		}
		StringBuilder buf = new StringBuilder();
		buf.append("bbbbbbbbaaaaaaaa");
		wordToAscii(hi, buf);
		wordToAscii(lo, buf);
		return buf.toString();
	}
Generate a placeholder md5 string for a library executable based just
on its name and architecture
@param enm is the name of the library
@param arc is the architecture
@return the placeholder md5 String
Ghidra/Features/BSim/src/main/java/ghidra/features/bsim/query/description/ExecutableRecord.java