Mercurial > dropbear
annotate src/modes/ofb/ofb_done.c @ 280:59400faa4b44 libtomcrypt-orig libtomcrypt-1.05
Re-import libtomcrypt 1.05 for cleaner propagating.
From crypt-1.05.tar.bz2, SHA1 of 88250202bb51570dc64f7e8f1c943cda9479258f
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Wed, 08 Mar 2006 12:58:00 +0000 |
parents | |
children | d5faf4814ddb |
rev | line source |
---|---|
280
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
2 * |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
3 * LibTomCrypt is a library that provides various cryptographic |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
4 * algorithms in a highly modular and flexible manner. |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
5 * |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
6 * The library is free for all purposes without any express |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
7 * guarantee it works. |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
8 * |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
9 * Tom St Denis, [email protected], http://libtomcrypt.org |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
10 */ |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
11 #include "tomcrypt.h" |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
12 |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
13 /** |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
14 @file ofb_done.c |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
15 OFB implementation, finish chain, Tom St Denis |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
16 */ |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
17 |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
18 #ifdef OFB |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
19 |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
20 /** Terminate the chain |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
21 @param ofb The OFB chain to terminate |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
22 @return CRYPT_OK on success |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
23 */ |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
24 int ofb_done(symmetric_OFB *ofb) |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
25 { |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
26 int err; |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
27 LTC_ARGCHK(ofb != NULL); |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
28 |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
29 if ((err = cipher_is_valid(ofb->cipher)) != CRYPT_OK) { |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
30 return err; |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
31 } |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
32 cipher_descriptor[ofb->cipher].done(&ofb->key); |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
33 return CRYPT_OK; |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
34 } |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
35 |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
36 |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
37 |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
38 #endif |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
39 |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
40 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ofb/ofb_done.c,v $ */ |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
41 /* $Revision: 1.4 $ */ |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
42 /* $Date: 2005/05/05 14:35:59 $ */ |