X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=tfc_skein.c;h=7008e48fb5dd541fc18b5ea0785c60262b692753;hb=c0dc5614a87ed6d0eed4906447171ef4c73b306e;hp=fe86c20de71b1c595aa15e5e2d489223d1766d71;hpb=a7a8ae5408eed270854e69adf40ccaf3a401f830;p=tfcrypt.git

diff --git a/tfc_skein.c b/tfc_skein.c
index fe86c20..7008e48 100644
--- a/tfc_skein.c
+++ b/tfc_skein.c
@@ -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;