Add hex_to_words and words_to_hex

1 files changed, 14 insertions, 0 deletions

diff --git a/pgpwordlist/funcs.py b/pgpwordlist/funcs.py
index 2801839..84d3d0d 100644
--- a/pgpwordlist/funcs.py
+++ b/pgpwordlist/funcs.py
@@ -33,3 +33,17 @@ def get_hex(word):
     for hex, t in _words.items():
         if word.lower() in t:
             return hex.lower()
+
+
+def hex_to_words(hexstr):
+    words = [get_word(hex, i) for i, hex in enumerate(_hex_bytes(hexstr))]
+    return ' '.join(words)
+
+
+def _hex_bytes(hexstr):
+    for i in range(0, len(hexstr), 2):
+        yield hexstr[i:i+2]
+
+
+def words_to_hex(wordstr):
+    return ''.join(get_hex(w) for w in wordstr.split())