rc = lutil_b64_pton(passwd->bv_val, orig_pass, decode_len);
 
-       if( rc <= sizeof(SHAdigest) ) {
+       if( rc <= (int)(sizeof(SHAdigest)) ) {
                ber_memfree(orig_pass);
                return LUTIL_PASSWD_ERR;
        }
 
        rc = lutil_b64_pton(passwd->bv_val, orig_pass, decode_len);
 
-       if( rc <= sizeof(SHAdigest) ) {
+       if( rc <= (int)(sizeof(SHAdigest)) ) {
                ber_memfree(orig_pass);
                return LUTIL_PASSWD_ERR;
        }
 
        rc = lutil_b64_pton(passwd->bv_val, orig_pass, decode_len);
 
-       if( rc <= sizeof(SHAdigest) ) {
+       if( rc <= (int)(sizeof(SHAdigest)) ) {
                ber_memfree(orig_pass);
                return LUTIL_PASSWD_ERR;
        }