Mercurial > dropbear
annotate src/encauth/ocb/ocb_done_encrypt.c @ 383:2c89a3a04104 libtomcrypt-dropbear
Fix up some slight changes.
Hack out the RSA code in tomcrypt_math.h fairly crudely, as LTC's rsa_key
collide's with Dropbear's rsa_key
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Thu, 11 Jan 2007 03:04:55 +0000 |
parents | d5faf4814ddb |
children |
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 * |
380 | 9 * Tom St Denis, [email protected], http://libtomcrypt.com |
280
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 |
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 @file ocb_done_encrypt.c |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
14 OCB implementation, terminate encryption, by Tom St Denis |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
15 */ |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
16 #include "tomcrypt.h" |
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 OCB_MODE |
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 /** |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
21 Terminate an encryption OCB state |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
22 @param ocb The OCB state |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
23 @param pt Remaining plaintext (if any) |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
24 @param ptlen The length of the plaintext (octets) |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
25 @param ct [out] The ciphertext (if any) |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
26 @param tag [out] The tag for the OCB stream |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
27 @param taglen [in/out] The max size and resulting size of the tag |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
28 @return CRYPT_OK if successful |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
29 */ |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
30 int ocb_done_encrypt(ocb_state *ocb, const unsigned char *pt, unsigned long ptlen, |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
31 unsigned char *ct, unsigned char *tag, unsigned long *taglen) |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
32 { |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
33 LTC_ARGCHK(ocb != NULL); |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
34 LTC_ARGCHK(pt != NULL); |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
35 LTC_ARGCHK(ct != NULL); |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
36 LTC_ARGCHK(tag != NULL); |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
37 LTC_ARGCHK(taglen != NULL); |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
38 return s_ocb_done(ocb, pt, ptlen, ct, tag, taglen, 0); |
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 |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
41 #endif |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
42 |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
43 |
59400faa4b44
Re-import libtomcrypt 1.05 for cleaner propagating.
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
44 /* $Source: /cvs/libtom/libtomcrypt/src/encauth/ocb/ocb_done_encrypt.c,v $ */ |
380 | 45 /* $Revision: 1.4 $ */ |
46 /* $Date: 2006/03/31 14:15:35 $ */ |