add crc32

src/misc/crypt/crypt.c

@@ -331,6 +331,9 @@ const char *crypt_build_settings =
 #if defined(LTC_BASE64_URL)
     " BASE64-URL-SAFE "
 #endif
+#if defined(LTC_CRC32)
+    " CRC32 "
+#endif
 #if defined(LTC_DER)
     " DER "
 #endif

src/misc/crypt/crypt_sizes.c

@@ -235,6 +235,9 @@ static const crypt_size _crypt_sizes[] = {
 #ifdef LTC_ADLER32
     _SZ_STRINGIFY_T(adler32_state),
 #endif
+#ifdef LTC_CRC32
+    _SZ_STRINGIFY_T(crc32_state),
+#endif
 };
 
 /* crypt_get_size()