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libgcrypt: Avoid -Wsign-compare in rijndael do_setkey()

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Avoid a warning

  lib/libgcrypt-grub/cipher/rijndael.c:352:21: warning:
  comparison of integer expressions of different signedness:
  ‘int’ and ‘unsigned int’ [-Wsign-compare]
    352 |       for (i = 0; i < keylen; i++)
        |

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Heinrich Schuchardt 2021-08-13 16:15:33 +02:00 committed by Daniel Kiper
parent e8b98cc66b
commit 0cb7a44916
1 changed files with 2 additions and 1 deletions
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3
grub-core/lib/libgcrypt/cipher/rijndael.c
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@ -181,7 +181,8 @@ do_setkey (RIJNDAEL_context *ctx, const byte *key, const unsigned keylen)
static int initialized = 0;
static const char *selftest_failed=0;
int rounds;
int i,j, r, t, rconpointer = 0;
unsigned int i;
int j, r, t, rconpointer = 0;
int KC;
union
{