SIGTERM, SIGINT: exit immediately, don't try to postprocess even in verbose mode.
[tfcrypt.git] / tfc_skein.c
index fe86c20de71b1c595aa15e5e2d489223d1766d71..7008e48fb5dd541fc18b5ea0785c60262b692753 100644 (file)
@@ -2,7 +2,7 @@
  * tfcrypt -- high security Threefish encryption tool.
  *
  * tfcrypt is copyrighted:
- * Copyright (C) 2012-2018 Andrey Rys. All rights reserved.
+ * Copyright (C) 2012-2019 Andrey Rys. All rights reserved.
  *
  * tfcrypt is licensed to you under the terms of std. MIT/X11 license:
  *
@@ -39,16 +39,6 @@ void skein(void *hash, size_t bits, const void *key, const void *data, size_t sz
        skein_final(hash, &sk);
 }
 
-void tf_key_tweak_compat(void *key)
-{
-       TF_UNIT_TYPE *ukey = key, c = THREEFISH_CONST;
-       size_t x;
-
-       for (x = 0; x < TF_NR_BLOCK_UNITS; x++) c ^= ukey[x];
-       ukey[x] = c;
-       ukey[TF_TWEAK_WORD3] = ukey[TF_TWEAK_WORD1] ^ ukey[TF_TWEAK_WORD2];
-}
-
 tfc_yesno skeinfd(void *hash, size_t bits, const void *key, int fd, tfc_fsize offset, tfc_fsize readto)
 {
        static tfc_byte skblk[TFC_BLKSIZE];
@@ -68,7 +58,9 @@ tfc_yesno skeinfd(void *hash, size_t bits, const void *key, int fd, tfc_fsize of
                        if (readto == NOFSIZE) goto _fail;
                }
                if (offset != 0 && offset != NOFSIZE) {
-                       if (lseek(fd, (off_t)offset, SEEK_SET) == -1) goto _fail;
+                       if (lseek(fd, (off_t)offset, SEEK_SET) == -1) {
+                               if (ignore_seek_errors == NO) goto _fail;
+                       }
                }
        }
 
@@ -202,8 +194,7 @@ _dothat:
 
                while (1) {
                        memset(sksblk, 0, sizeof(sksblk));
-                       x = xfgets(sksblk, sizeof(sksblk), f);
-                       if (x == 0) break;
+                       if (xfgets(sksblk, sizeof(sksblk), f) != YES) break;
 
                        s = d = sksblk; t = NULL;
                        shash = fname = NULL;