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Fix possible sign extension problem with newer compilers.

Browse source 
* cipher/des.c (READ_64BIT_DATA): Cast to u32 before shifting by 24.
* cipher/blowfish.c (do_encrypt_block): Ditto.
(do_decrypt_block): Ditto.
* cipher/camellia.c (CAMELLIA_RR8): Ditto.
* cipher/cast5.c (do_encrypt_block): Ditto.
(do_decrypt_block): Ditto.
(do_cast_setkey): Ditto.
* cipher/twofish.c (INPACK): Ditto.
* util/iobuf.c (block_filter): Ditto.
--

For cipher/des.c
Reported-by: Balint Reczey <balint@balintreczey.hu>

See commit 57af33d9e7 for details.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2016-02-01 18:06:14 +01:00
parent aa4a3aa3e7
commit 22caa5c2d4
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
6 changed files with 42 additions and 42 deletions
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2
util/iobuf.c
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@ -738,7 +738,7 @@ block_filter(void *opaque, int control, IOBUF chain, byte *buf, size_t *ret_len)
}
}
else if( c == 255 ) {
a->size = iobuf_get(chain) << 24;
a->size = (size_t)iobuf_get(chain) << 24;
a->size |= iobuf_get(chain) << 16;
a->size |= iobuf_get(chain) << 8;
if( (c = iobuf_get(chain)) == -1 ) {