diff options
author | Matt Johnston <matt@ucc.asn.au> | 2017-06-24 17:50:50 +0800 |
---|---|---|
committer | Matt Johnston <matt@ucc.asn.au> | 2017-06-24 17:50:50 +0800 |
commit | a79b61517bc7123250d0e2dc21dc18deccf0bb64 (patch) | |
tree | f95c80c6801abd286eaf370dd794859235d1be82 /libtomcrypt/src/modes | |
parent | 99361f54ca77e0d1ff821c02d7d8df3a87aafde5 (diff) |
update to libtomcrypt 1.17 (with Dropbear changes)
Diffstat (limited to 'libtomcrypt/src/modes')
50 files changed, 818 insertions, 181 deletions
diff --git a/libtomcrypt/src/modes/cbc/cbc_decrypt.c b/libtomcrypt/src/modes/cbc/cbc_decrypt.c index d768d88..3751f14 100644 --- a/libtomcrypt/src/modes/cbc/cbc_decrypt.c +++ b/libtomcrypt/src/modes/cbc/cbc_decrypt.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -92,6 +92,6 @@ int cbc_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, s #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/cbc/cbc_decrypt.c,v $ */ -/* $Revision: 1.15 $ */ -/* $Date: 2006/11/21 00:18:23 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/cbc/cbc_done.c b/libtomcrypt/src/modes/cbc/cbc_done.c index 99b035e..75b9742 100644 --- a/libtomcrypt/src/modes/cbc/cbc_done.c +++ b/libtomcrypt/src/modes/cbc/cbc_done.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -37,6 +37,6 @@ int cbc_done(symmetric_CBC *cbc) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/cbc/cbc_done.c,v $ */ -/* $Revision: 1.6 $ */ -/* $Date: 2006/06/29 01:46:46 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/cbc/cbc_encrypt.c b/libtomcrypt/src/modes/cbc/cbc_encrypt.c index bbfd1c4..1f28204 100644 --- a/libtomcrypt/src/modes/cbc/cbc_encrypt.c +++ b/libtomcrypt/src/modes/cbc/cbc_encrypt.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -93,6 +93,6 @@ int cbc_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/cbc/cbc_encrypt.c,v $ */ -/* $Revision: 1.13 $ */ -/* $Date: 2006/11/21 00:18:23 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/cbc/cbc_getiv.c b/libtomcrypt/src/modes/cbc/cbc_getiv.c index c54d558..6587743 100644 --- a/libtomcrypt/src/modes/cbc/cbc_getiv.c +++ b/libtomcrypt/src/modes/cbc/cbc_getiv.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -41,6 +41,6 @@ int cbc_getiv(unsigned char *IV, unsigned long *len, symmetric_CBC *cbc) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/cbc/cbc_getiv.c,v $ */ -/* $Revision: 1.6 $ */ -/* $Date: 2006/06/29 01:46:46 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/cbc/cbc_setiv.c b/libtomcrypt/src/modes/cbc/cbc_setiv.c index 6fb70ca..cd2e32e 100644 --- a/libtomcrypt/src/modes/cbc/cbc_setiv.c +++ b/libtomcrypt/src/modes/cbc/cbc_setiv.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -39,6 +39,6 @@ int cbc_setiv(const unsigned char *IV, unsigned long len, symmetric_CBC *cbc) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/cbc/cbc_setiv.c,v $ */ -/* $Revision: 1.5 $ */ -/* $Date: 2006/06/29 01:46:46 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/cbc/cbc_start.c b/libtomcrypt/src/modes/cbc/cbc_start.c index 86ec7b9..832e77a 100644 --- a/libtomcrypt/src/modes/cbc/cbc_start.c +++ b/libtomcrypt/src/modes/cbc/cbc_start.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -57,6 +57,6 @@ int cbc_start(int cipher, const unsigned char *IV, const unsigned char *key, #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/cbc/cbc_start.c,v $ */ -/* $Revision: 1.5 $ */ -/* $Date: 2006/06/29 01:46:46 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/cfb/cfb_decrypt.c b/libtomcrypt/src/modes/cfb/cfb_decrypt.c index 76a4de1..13ac5a6 100644 --- a/libtomcrypt/src/modes/cfb/cfb_decrypt.c +++ b/libtomcrypt/src/modes/cfb/cfb_decrypt.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -62,6 +62,6 @@ int cfb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, s #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_decrypt.c,v $ */ -/* $Revision: 1.7 $ */ -/* $Date: 2006/11/26 01:45:14 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/cfb/cfb_done.c b/libtomcrypt/src/modes/cfb/cfb_done.c index 4ee9d50..1ee9a98 100644 --- a/libtomcrypt/src/modes/cfb/cfb_done.c +++ b/libtomcrypt/src/modes/cfb/cfb_done.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -37,6 +37,6 @@ int cfb_done(symmetric_CFB *cfb) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_done.c,v $ */ -/* $Revision: 1.6 $ */ -/* $Date: 2006/06/29 01:51:34 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/cfb/cfb_encrypt.c b/libtomcrypt/src/modes/cfb/cfb_encrypt.c index b619682..8ac5f5c 100644 --- a/libtomcrypt/src/modes/cfb/cfb_encrypt.c +++ b/libtomcrypt/src/modes/cfb/cfb_encrypt.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -60,6 +60,6 @@ int cfb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_encrypt.c,v $ */ -/* $Revision: 1.7 $ */ -/* $Date: 2006/11/26 01:45:14 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/cfb/cfb_getiv.c b/libtomcrypt/src/modes/cfb/cfb_getiv.c index 1689a75..b6786e1 100644 --- a/libtomcrypt/src/modes/cfb/cfb_getiv.c +++ b/libtomcrypt/src/modes/cfb/cfb_getiv.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -41,6 +41,6 @@ int cfb_getiv(unsigned char *IV, unsigned long *len, symmetric_CFB *cfb) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_getiv.c,v $ */ -/* $Revision: 1.6 $ */ -/* $Date: 2006/06/29 01:51:34 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/cfb/cfb_setiv.c b/libtomcrypt/src/modes/cfb/cfb_setiv.c index efb848b..0fc8757 100644 --- a/libtomcrypt/src/modes/cfb/cfb_setiv.c +++ b/libtomcrypt/src/modes/cfb/cfb_setiv.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -47,6 +47,6 @@ int cfb_setiv(const unsigned char *IV, unsigned long len, symmetric_CFB *cfb) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_setiv.c,v $ */ -/* $Revision: 1.6 $ */ -/* $Date: 2006/06/29 01:51:34 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/cfb/cfb_start.c b/libtomcrypt/src/modes/cfb/cfb_start.c index e70d635..a8e5b8b 100644 --- a/libtomcrypt/src/modes/cfb/cfb_start.c +++ b/libtomcrypt/src/modes/cfb/cfb_start.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -60,6 +60,6 @@ int cfb_start(int cipher, const unsigned char *IV, const unsigned char *key, #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_start.c,v $ */ -/* $Revision: 1.6 $ */ -/* $Date: 2006/06/29 01:51:34 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ctr/ctr_decrypt.c b/libtomcrypt/src/modes/ctr/ctr_decrypt.c index f32821f..9537249 100644 --- a/libtomcrypt/src/modes/ctr/ctr_decrypt.c +++ b/libtomcrypt/src/modes/ctr/ctr_decrypt.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -37,6 +37,6 @@ int ctr_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, s #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_decrypt.c,v $ */ -/* $Revision: 1.5 $ */ -/* $Date: 2006/06/29 01:46:46 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ctr/ctr_done.c b/libtomcrypt/src/modes/ctr/ctr_done.c index 074c8b6..26391fd 100644 --- a/libtomcrypt/src/modes/ctr/ctr_done.c +++ b/libtomcrypt/src/modes/ctr/ctr_done.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -37,6 +37,6 @@ int ctr_done(symmetric_CTR *ctr) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_done.c,v $ */ -/* $Revision: 1.6 $ */ -/* $Date: 2006/06/29 01:46:46 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ctr/ctr_encrypt.c b/libtomcrypt/src/modes/ctr/ctr_encrypt.c index 84dd65b..0b08359 100644 --- a/libtomcrypt/src/modes/ctr/ctr_encrypt.c +++ b/libtomcrypt/src/modes/ctr/ctr_encrypt.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -64,7 +64,7 @@ int ctr_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s /* increment counter */ if (ctr->mode == CTR_COUNTER_LITTLE_ENDIAN) { /* little-endian */ - for (x = 0; x < ctr->blocklen; x++) { + for (x = 0; x < ctr->ctrlen; x++) { ctr->ctr[x] = (ctr->ctr[x] + (unsigned char)1) & (unsigned char)255; if (ctr->ctr[x] != (unsigned char)0) { break; @@ -72,7 +72,7 @@ int ctr_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s } } else { /* big-endian */ - for (x = ctr->blocklen-1; x >= 0; x--) { + for (x = ctr->blocklen-1; x >= ctr->ctrlen; x--) { ctr->ctr[x] = (ctr->ctr[x] + (unsigned char)1) & (unsigned char)255; if (ctr->ctr[x] != (unsigned char)0) { break; @@ -107,6 +107,6 @@ int ctr_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_encrypt.c,v $ */ -/* $Revision: 1.20 $ */ -/* $Date: 2006/11/21 00:18:23 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ctr/ctr_getiv.c b/libtomcrypt/src/modes/ctr/ctr_getiv.c index 2fbf888..6242323 100644 --- a/libtomcrypt/src/modes/ctr/ctr_getiv.c +++ b/libtomcrypt/src/modes/ctr/ctr_getiv.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -41,6 +41,6 @@ int ctr_getiv(unsigned char *IV, unsigned long *len, symmetric_CTR *ctr) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_getiv.c,v $ */ -/* $Revision: 1.6 $ */ -/* $Date: 2006/06/29 01:46:46 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ctr/ctr_setiv.c b/libtomcrypt/src/modes/ctr/ctr_setiv.c index 8e8649f..56a3c97 100644 --- a/libtomcrypt/src/modes/ctr/ctr_setiv.c +++ b/libtomcrypt/src/modes/ctr/ctr_setiv.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -51,6 +51,6 @@ int ctr_setiv(const unsigned char *IV, unsigned long len, symmetric_CTR *ctr) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_setiv.c,v $ */ -/* $Revision: 1.6 $ */ -/* $Date: 2006/06/29 01:46:46 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ctr/ctr_start.c b/libtomcrypt/src/modes/ctr/ctr_start.c index 895c8a4..b27bed0 100644 --- a/libtomcrypt/src/modes/ctr/ctr_start.c +++ b/libtomcrypt/src/modes/ctr/ctr_start.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -46,6 +46,16 @@ int ctr_start( int cipher, return err; } + /* ctrlen == counter width */ + ctr->ctrlen = (ctr_mode & 255) ? (ctr_mode & 255) : cipher_descriptor[cipher].block_length; + if (ctr->ctrlen > cipher_descriptor[cipher].block_length) { + return CRYPT_INVALID_ARG; + } + + if ((ctr_mode & 0x1000) == CTR_COUNTER_BIG_ENDIAN) { + ctr->ctrlen = cipher_descriptor[cipher].block_length - ctr->ctrlen; + } + /* setup cipher */ if ((err = cipher_descriptor[cipher].setup(key, keylen, num_rounds, &ctr->key)) != CRYPT_OK) { return err; @@ -55,7 +65,7 @@ int ctr_start( int cipher, ctr->blocklen = cipher_descriptor[cipher].block_length; ctr->cipher = cipher; ctr->padlen = 0; - ctr->mode = ctr_mode & 1; + ctr->mode = ctr_mode & 0x1000; for (x = 0; x < ctr->blocklen; x++) { ctr->ctr[x] = IV[x]; } @@ -64,7 +74,7 @@ int ctr_start( int cipher, /* increment the IV as per RFC 3686 */ if (ctr->mode == CTR_COUNTER_LITTLE_ENDIAN) { /* little-endian */ - for (x = 0; x < ctr->blocklen; x++) { + for (x = 0; x < ctr->ctrlen; x++) { ctr->ctr[x] = (ctr->ctr[x] + (unsigned char)1) & (unsigned char)255; if (ctr->ctr[x] != (unsigned char)0) { break; @@ -72,7 +82,7 @@ int ctr_start( int cipher, } } else { /* big-endian */ - for (x = ctr->blocklen-1; x >= 0; x--) { + for (x = ctr->blocklen-1; x >= ctr->ctrlen; x--) { ctr->ctr[x] = (ctr->ctr[x] + (unsigned char)1) & (unsigned char)255; if (ctr->ctr[x] != (unsigned char)0) { break; @@ -86,6 +96,6 @@ int ctr_start( int cipher, #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_start.c,v $ */ -/* $Revision: 1.11 $ */ -/* $Date: 2006/11/05 01:46:35 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ctr/ctr_test.c b/libtomcrypt/src/modes/ctr/ctr_test.c index ad20778..9962afd 100644 --- a/libtomcrypt/src/modes/ctr/ctr_test.c +++ b/libtomcrypt/src/modes/ctr/ctr_test.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -77,9 +77,9 @@ int ctr_test(void) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_test.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2006/11/05 02:06:49 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ecb/ecb_decrypt.c b/libtomcrypt/src/modes/ecb/ecb_decrypt.c index c16fce0..84842c2 100644 --- a/libtomcrypt/src/modes/ecb/ecb_decrypt.c +++ b/libtomcrypt/src/modes/ecb/ecb_decrypt.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -56,6 +56,6 @@ int ecb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, s #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ecb/ecb_decrypt.c,v $ */ -/* $Revision: 1.9 $ */ -/* $Date: 2006/06/29 01:51:34 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ecb/ecb_done.c b/libtomcrypt/src/modes/ecb/ecb_done.c index 2af3a83..961ec97 100644 --- a/libtomcrypt/src/modes/ecb/ecb_done.c +++ b/libtomcrypt/src/modes/ecb/ecb_done.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -37,6 +37,6 @@ int ecb_done(symmetric_ECB *ecb) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ecb/ecb_done.c,v $ */ -/* $Revision: 1.7 $ */ -/* $Date: 2006/06/29 01:51:34 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ecb/ecb_encrypt.c b/libtomcrypt/src/modes/ecb/ecb_encrypt.c index f6910c6..801e0fd 100644 --- a/libtomcrypt/src/modes/ecb/ecb_encrypt.c +++ b/libtomcrypt/src/modes/ecb/ecb_encrypt.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -56,6 +56,6 @@ int ecb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ecb/ecb_encrypt.c,v $ */ -/* $Revision: 1.9 $ */ -/* $Date: 2006/06/29 01:51:34 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ecb/ecb_start.c b/libtomcrypt/src/modes/ecb/ecb_start.c index cc84579..cec583a 100644 --- a/libtomcrypt/src/modes/ecb/ecb_start.c +++ b/libtomcrypt/src/modes/ecb/ecb_start.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -43,6 +43,6 @@ int ecb_start(int cipher, const unsigned char *key, int keylen, int num_rounds, #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ecb/ecb_start.c,v $ */ -/* $Revision: 1.5 $ */ -/* $Date: 2006/06/29 01:51:34 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/f8/f8_decrypt.c b/libtomcrypt/src/modes/f8/f8_decrypt.c index fc8f61a..9c4525d 100644 --- a/libtomcrypt/src/modes/f8/f8_decrypt.c +++ b/libtomcrypt/src/modes/f8/f8_decrypt.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -38,6 +38,6 @@ int f8_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, sy -/* $Source: /cvs/libtom/libtomcrypt/src/modes/f8/f8_decrypt.c,v $ */ -/* $Revision: 1.2 $ */ -/* $Date: 2006/06/16 22:49:25 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/f8/f8_done.c b/libtomcrypt/src/modes/f8/f8_done.c index c864767..867d603 100644 --- a/libtomcrypt/src/modes/f8/f8_done.c +++ b/libtomcrypt/src/modes/f8/f8_done.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -37,6 +37,6 @@ int f8_done(symmetric_F8 *f8) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/f8/f8_done.c,v $ */ -/* $Revision: 1.2 $ */ -/* $Date: 2006/06/16 22:49:25 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/f8/f8_encrypt.c b/libtomcrypt/src/modes/f8/f8_encrypt.c index fc33be9..d1a96df 100644 --- a/libtomcrypt/src/modes/f8/f8_encrypt.c +++ b/libtomcrypt/src/modes/f8/f8_encrypt.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -98,6 +98,6 @@ int f8_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, sy #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/f8/f8_encrypt.c,v $ */ -/* $Revision: 1.6 $ */ -/* $Date: 2006/11/05 04:16:32 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/f8/f8_getiv.c b/libtomcrypt/src/modes/f8/f8_getiv.c index 2c5d92f..ff7cb91 100644 --- a/libtomcrypt/src/modes/f8/f8_getiv.c +++ b/libtomcrypt/src/modes/f8/f8_getiv.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -41,6 +41,6 @@ int f8_getiv(unsigned char *IV, unsigned long *len, symmetric_F8 *f8) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/f8/f8_getiv.c,v $ */ -/* $Revision: 1.2 $ */ -/* $Date: 2006/06/16 22:49:25 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/f8/f8_setiv.c b/libtomcrypt/src/modes/f8/f8_setiv.c index 469cc15..d1cafcf 100644 --- a/libtomcrypt/src/modes/f8/f8_setiv.c +++ b/libtomcrypt/src/modes/f8/f8_setiv.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -47,6 +47,6 @@ int f8_setiv(const unsigned char *IV, unsigned long len, symmetric_F8 *f8) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/f8/f8_setiv.c,v $ */ -/* $Revision: 1.2 $ */ -/* $Date: 2006/06/16 22:49:25 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/f8/f8_start.c b/libtomcrypt/src/modes/f8/f8_start.c index bb05c16..4cd58de 100644 --- a/libtomcrypt/src/modes/f8/f8_start.c +++ b/libtomcrypt/src/modes/f8/f8_start.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -93,6 +93,6 @@ int f8_start( int cipher, const unsigned char *IV, #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/f8/f8_start.c,v $ */ -/* $Revision: 1.7 $ */ -/* $Date: 2006/11/05 01:36:43 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/f8/f8_test_mode.c b/libtomcrypt/src/modes/f8/f8_test_mode.c index 68160ea..5cc391b 100644 --- a/libtomcrypt/src/modes/f8/f8_test_mode.c +++ b/libtomcrypt/src/modes/f8/f8_test_mode.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -71,6 +71,6 @@ int f8_test_mode(void) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/f8/f8_test_mode.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2006/11/13 11:55:25 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/lrw/lrw_decrypt.c b/libtomcrypt/src/modes/lrw/lrw_decrypt.c index 24eece8..e2858c0 100644 --- a/libtomcrypt/src/modes/lrw/lrw_decrypt.c +++ b/libtomcrypt/src/modes/lrw/lrw_decrypt.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -46,6 +46,6 @@ int lrw_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, s #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_decrypt.c,v $ */ -/* $Revision: 1.8 $ */ -/* $Date: 2006/06/29 01:53:13 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/lrw/lrw_done.c b/libtomcrypt/src/modes/lrw/lrw_done.c index 4ae75c3..e123d28 100644 --- a/libtomcrypt/src/modes/lrw/lrw_done.c +++ b/libtomcrypt/src/modes/lrw/lrw_done.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -37,6 +37,6 @@ int lrw_done(symmetric_LRW *lrw) } #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_done.c,v $ */ -/* $Revision: 1.6 $ */ -/* $Date: 2006/06/29 01:53:13 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/lrw/lrw_encrypt.c b/libtomcrypt/src/modes/lrw/lrw_encrypt.c index 5ed11c9..d84cbdd 100644 --- a/libtomcrypt/src/modes/lrw/lrw_encrypt.c +++ b/libtomcrypt/src/modes/lrw/lrw_encrypt.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -45,6 +45,6 @@ int lrw_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_encrypt.c,v $ */ -/* $Revision: 1.9 $ */ -/* $Date: 2006/06/29 01:53:13 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/lrw/lrw_getiv.c b/libtomcrypt/src/modes/lrw/lrw_getiv.c index 00159ce..575e322 100644 --- a/libtomcrypt/src/modes/lrw/lrw_getiv.c +++ b/libtomcrypt/src/modes/lrw/lrw_getiv.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -40,6 +40,6 @@ int lrw_getiv(unsigned char *IV, unsigned long *len, symmetric_LRW *lrw) } #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_getiv.c,v $ */ -/* $Revision: 1.9 $ */ -/* $Date: 2006/06/29 01:53:13 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/lrw/lrw_process.c b/libtomcrypt/src/modes/lrw/lrw_process.c index 451d4ce..25661e7 100644 --- a/libtomcrypt/src/modes/lrw/lrw_process.c +++ b/libtomcrypt/src/modes/lrw/lrw_process.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -115,6 +115,6 @@ int lrw_process(const unsigned char *pt, unsigned char *ct, unsigned long len, i } #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_process.c,v $ */ -/* $Revision: 1.10 $ */ -/* $Date: 2006/06/29 01:53:13 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/lrw/lrw_setiv.c b/libtomcrypt/src/modes/lrw/lrw_setiv.c index bb3c0aa..2ff9a80 100644 --- a/libtomcrypt/src/modes/lrw/lrw_setiv.c +++ b/libtomcrypt/src/modes/lrw/lrw_setiv.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -74,6 +74,6 @@ int lrw_setiv(const unsigned char *IV, unsigned long len, symmetric_LRW *lrw) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_setiv.c,v $ */ -/* $Revision: 1.12 $ */ -/* $Date: 2006/06/29 01:53:13 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/lrw/lrw_start.c b/libtomcrypt/src/modes/lrw/lrw_start.c index a9f24b5..f378789 100644 --- a/libtomcrypt/src/modes/lrw/lrw_start.c +++ b/libtomcrypt/src/modes/lrw/lrw_start.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -98,6 +98,6 @@ int lrw_start( int cipher, #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_start.c,v $ */ -/* $Revision: 1.11 $ */ -/* $Date: 2006/06/29 01:53:13 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/lrw/lrw_test.c b/libtomcrypt/src/modes/lrw/lrw_test.c index fe33845..63e014a 100644 --- a/libtomcrypt/src/modes/lrw/lrw_test.c +++ b/libtomcrypt/src/modes/lrw/lrw_test.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -131,6 +131,6 @@ int lrw_test(void) -/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_test.c,v $ */ -/* $Revision: 1.11 $ */ -/* $Date: 2006/06/29 01:53:13 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ofb/ofb_decrypt.c b/libtomcrypt/src/modes/ofb/ofb_decrypt.c index 1ada1ed..2c8780e 100644 --- a/libtomcrypt/src/modes/ofb/ofb_decrypt.c +++ b/libtomcrypt/src/modes/ofb/ofb_decrypt.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -38,6 +38,6 @@ int ofb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, s -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ofb/ofb_decrypt.c,v $ */ -/* $Revision: 1.5 $ */ -/* $Date: 2006/06/29 01:51:34 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ofb/ofb_done.c b/libtomcrypt/src/modes/ofb/ofb_done.c index 50a9de2..10506b3 100644 --- a/libtomcrypt/src/modes/ofb/ofb_done.c +++ b/libtomcrypt/src/modes/ofb/ofb_done.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -37,6 +37,6 @@ int ofb_done(symmetric_OFB *ofb) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ofb/ofb_done.c,v $ */ -/* $Revision: 1.6 $ */ -/* $Date: 2006/06/29 01:51:34 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ofb/ofb_encrypt.c b/libtomcrypt/src/modes/ofb/ofb_encrypt.c index 2c19f1d..8c97a4d 100644 --- a/libtomcrypt/src/modes/ofb/ofb_encrypt.c +++ b/libtomcrypt/src/modes/ofb/ofb_encrypt.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -55,6 +55,6 @@ int ofb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ofb/ofb_encrypt.c,v $ */ -/* $Revision: 1.7 $ */ -/* $Date: 2006/11/26 01:45:14 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ofb/ofb_getiv.c b/libtomcrypt/src/modes/ofb/ofb_getiv.c index 641d14b..c009e33 100644 --- a/libtomcrypt/src/modes/ofb/ofb_getiv.c +++ b/libtomcrypt/src/modes/ofb/ofb_getiv.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -41,6 +41,6 @@ int ofb_getiv(unsigned char *IV, unsigned long *len, symmetric_OFB *ofb) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ofb/ofb_getiv.c,v $ */ -/* $Revision: 1.6 $ */ -/* $Date: 2006/06/29 01:51:34 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ofb/ofb_setiv.c b/libtomcrypt/src/modes/ofb/ofb_setiv.c index 35a84e9..826caa9 100644 --- a/libtomcrypt/src/modes/ofb/ofb_setiv.c +++ b/libtomcrypt/src/modes/ofb/ofb_setiv.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -47,6 +47,6 @@ int ofb_setiv(const unsigned char *IV, unsigned long len, symmetric_OFB *ofb) #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ofb/ofb_setiv.c,v $ */ -/* $Revision: 1.6 $ */ -/* $Date: 2006/06/29 01:51:34 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/ofb/ofb_start.c b/libtomcrypt/src/modes/ofb/ofb_start.c index 1f0f65a..cf87545 100644 --- a/libtomcrypt/src/modes/ofb/ofb_start.c +++ b/libtomcrypt/src/modes/ofb/ofb_start.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" @@ -55,6 +55,6 @@ int ofb_start(int cipher, const unsigned char *IV, const unsigned char *key, #endif -/* $Source: /cvs/libtom/libtomcrypt/src/modes/ofb/ofb_start.c,v $ */ -/* $Revision: 1.5 $ */ -/* $Date: 2006/06/29 01:51:34 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ diff --git a/libtomcrypt/src/modes/xts/xts_decrypt.c b/libtomcrypt/src/modes/xts/xts_decrypt.c new file mode 100644 index 0000000..3e46c53 --- /dev/null +++ b/libtomcrypt/src/modes/xts/xts_decrypt.c @@ -0,0 +1,141 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org + */ +#include "tomcrypt.h" + +/** + Source donated by Elliptic Semiconductor Inc (www.ellipticsemi.com) to the LibTom Projects +*/ + +#ifdef LTC_XTS_MODE + +static int tweak_uncrypt(const unsigned char *C, unsigned char *P, unsigned char *T, symmetric_xts *xts) +{ + unsigned long x; + int err; + + /* tweak encrypt block i */ +#ifdef LTC_FAST + for (x = 0; x < 16; x += sizeof(LTC_FAST_TYPE)) { + *((LTC_FAST_TYPE*)&P[x]) = *((LTC_FAST_TYPE*)&C[x]) ^ *((LTC_FAST_TYPE*)&T[x]); + } +#else + for (x = 0; x < 16; x++) { + P[x] = C[x] ^ T[x]; + } +#endif + + err = cipher_descriptor[xts->cipher].ecb_decrypt(P, P, &xts->key1); + +#ifdef LTC_FAST + for (x = 0; x < 16; x += sizeof(LTC_FAST_TYPE)) { + *((LTC_FAST_TYPE*)&P[x]) ^= *((LTC_FAST_TYPE*)&T[x]); + } +#else + for (x = 0; x < 16; x++) { + P[x] = P[x] ^ T[x]; + } +#endif + + /* LFSR the tweak */ + xts_mult_x(T); + + return err; +} + +/** XTS Decryption + @param ct [in] Ciphertext + @param ptlen Length of plaintext (and ciphertext) + @param pt [out] Plaintext + @param tweak [in] The 128--bit encryption tweak (e.g. sector number) + @param xts The XTS structure + Returns CRYPT_OK upon success +*/int xts_decrypt( + const unsigned char *ct, unsigned long ptlen, + unsigned char *pt, + const unsigned char *tweak, + symmetric_xts *xts) +{ + unsigned char PP[16], CC[16], T[16]; + unsigned long i, m, mo, lim; + int err; + + /* check inputs */ + LTC_ARGCHK(pt != NULL); + LTC_ARGCHK(ct != NULL); + LTC_ARGCHK(tweak != NULL); + LTC_ARGCHK(xts != NULL); + + /* check if valid */ + if ((err = cipher_is_valid(xts->cipher)) != CRYPT_OK) { + return err; + } + + /* get number of blocks */ + m = ptlen >> 4; + mo = ptlen & 15; + + /* must have at least one full block */ + if (m == 0) { + return CRYPT_INVALID_ARG; + } + + /* encrypt the tweak */ + if ((err = cipher_descriptor[xts->cipher].ecb_encrypt(tweak, T, &xts->key2)) != CRYPT_OK) { + return err; + } + + /* for i = 0 to m-2 do */ + if (mo == 0) { + lim = m; + } else { + lim = m - 1; + } + + for (i = 0; i < lim; i++) { + err = tweak_uncrypt(ct, pt, T, xts); + ct += 16; + pt += 16; + } + + /* if ptlen not divide 16 then */ + if (mo > 0) { + XMEMCPY(CC, T, 16); + xts_mult_x(CC); + + /* PP = tweak decrypt block m-1 */ + if ((err = tweak_uncrypt(ct, PP, CC, xts)) != CRYPT_OK) { + return err; + } + + /* Pm = first ptlen % 16 bytes of PP */ + for (i = 0; i < mo; i++) { + CC[i] = ct[16+i]; + pt[16+i] = PP[i]; + } + for (; i < 16; i++) { + CC[i] = PP[i]; + } + + /* Pm-1 = Tweak uncrypt CC */ + if ((err = tweak_uncrypt(CC, pt, T, xts)) != CRYPT_OK) { + return err; + } + } + + return CRYPT_OK; +} + +#endif + +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ + diff --git a/libtomcrypt/src/modes/xts/xts_done.c b/libtomcrypt/src/modes/xts/xts_done.c new file mode 100644 index 0000000..7c04277 --- /dev/null +++ b/libtomcrypt/src/modes/xts/xts_done.c @@ -0,0 +1,34 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org + */ +#include "tomcrypt.h" + +/** + Source donated by Elliptic Semiconductor Inc (www.ellipticsemi.com) to the LibTom Projects +*/ + +#ifdef LTC_XTS_MODE + +/** Terminate XTS state + @param XTS The state to terminate +*/ +void xts_done(symmetric_xts *xts) +{ + LTC_ARGCHKVD(xts != NULL); + cipher_descriptor[xts->cipher].done(&xts->key1); + cipher_descriptor[xts->cipher].done(&xts->key2); +} + +#endif + +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ + diff --git a/libtomcrypt/src/modes/xts/xts_encrypt.c b/libtomcrypt/src/modes/xts/xts_encrypt.c new file mode 100644 index 0000000..ab53d3c --- /dev/null +++ b/libtomcrypt/src/modes/xts/xts_encrypt.c @@ -0,0 +1,142 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org + */ +#include "tomcrypt.h" + +/** + Source donated by Elliptic Semiconductor Inc (www.ellipticsemi.com) to the LibTom Projects +*/ + +#ifdef LTC_XTS_MODE + +static int tweak_crypt(const unsigned char *P, unsigned char *C, unsigned char *T, symmetric_xts *xts) +{ + unsigned long x; + int err; + + /* tweak encrypt block i */ +#ifdef LTC_FAST + for (x = 0; x < 16; x += sizeof(LTC_FAST_TYPE)) { + *((LTC_FAST_TYPE*)&C[x]) = *((LTC_FAST_TYPE*)&P[x]) ^ *((LTC_FAST_TYPE*)&T[x]); + } +#else + for (x = 0; x < 16; x++) { + C[x] = P[x] ^ T[x]; + } +#endif + + if ((err = cipher_descriptor[xts->cipher].ecb_encrypt(C, C, &xts->key1)) != CRYPT_OK) { + return err; + } + +#ifdef LTC_FAST + for (x = 0; x < 16; x += sizeof(LTC_FAST_TYPE)) { + *((LTC_FAST_TYPE*)&C[x]) ^= *((LTC_FAST_TYPE*)&T[x]); + } +#else + for (x = 0; x < 16; x++) { + C[x] = C[x] ^ T[x]; + } +#endif + + /* LFSR the tweak */ + xts_mult_x(T); + + return CRYPT_OK; +} + +/** XTS Encryption + @param pt [in] Plaintext + @param ptlen Length of plaintext (and ciphertext) + @param ct [out] Ciphertext + @param tweak [in] The 128--bit encryption tweak (e.g. sector number) + @param xts The XTS structure + Returns CRYPT_OK upon success +*/ +int xts_encrypt( + const unsigned char *pt, unsigned long ptlen, + unsigned char *ct, + const unsigned char *tweak, + symmetric_xts *xts) +{ + unsigned char PP[16], CC[16], T[16]; + unsigned long i, m, mo, lim; + int err; + + /* check inputs */ + LTC_ARGCHK(pt != NULL); + LTC_ARGCHK(ct != NULL); + LTC_ARGCHK(tweak != NULL); + LTC_ARGCHK(xts != NULL); + + /* check if valid */ + if ((err = cipher_is_valid(xts->cipher)) != CRYPT_OK) { + return err; + } + + /* get number of blocks */ + m = ptlen >> 4; + mo = ptlen & 15; + + /* must have at least one full block */ + if (m == 0) { + return CRYPT_INVALID_ARG; + } + + /* encrypt the tweak */ + if ((err = cipher_descriptor[xts->cipher].ecb_encrypt(tweak, T, &xts->key2)) != CRYPT_OK) { + return err; + } + + /* for i = 0 to m-2 do */ + if (mo == 0) { + lim = m; + } else { + lim = m - 1; + } + + for (i = 0; i < lim; i++) { + err = tweak_crypt(pt, ct, T, xts); + ct += 16; + pt += 16; + } + + /* if ptlen not divide 16 then */ + if (mo > 0) { + /* CC = tweak encrypt block m-1 */ + if ((err = tweak_crypt(pt, CC, T, xts)) != CRYPT_OK) { + return err; + } + + /* Cm = first ptlen % 16 bytes of CC */ + for (i = 0; i < mo; i++) { + PP[i] = pt[16+i]; + ct[16+i] = CC[i]; + } + + for (; i < 16; i++) { + PP[i] = CC[i]; + } + + /* Cm-1 = Tweak encrypt PP */ + if ((err = tweak_crypt(PP, ct, T, xts)) != CRYPT_OK) { + return err; + } + } + + return err; +} + +#endif + +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ + diff --git a/libtomcrypt/src/modes/xts/xts_init.c b/libtomcrypt/src/modes/xts/xts_init.c new file mode 100644 index 0000000..f38c01e --- /dev/null +++ b/libtomcrypt/src/modes/xts/xts_init.c @@ -0,0 +1,69 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org + */ +#include "tomcrypt.h" + +/** + Source donated by Elliptic Semiconductor Inc (www.ellipticsemi.com) to the LibTom Projects +*/ + +#ifdef LTC_XTS_MODE + + +/** Start XTS mode + @param cipher The index of the cipher to use + @param key1 The encrypt key + @param key2 The tweak encrypt key + @param keylen The length of the keys (each) in octets + @param num_rounds The number of rounds for the cipher (0 == default) + @param xts [out] XTS structure + Returns CRYPT_OK upon success. +*/ +int xts_start( int cipher, + const unsigned char *key1, + const unsigned char *key2, + unsigned long keylen, + int num_rounds, + symmetric_xts *xts) +{ + int err; + + /* check inputs */ + LTC_ARGCHK(key1 != NULL); + LTC_ARGCHK(key2 != NULL); + LTC_ARGCHK(xts != NULL); + + /* check if valid */ + if ((err = cipher_is_valid(cipher)) != CRYPT_OK) { + return err; + } + + if (cipher_descriptor[cipher].block_length != 16) { + return CRYPT_INVALID_ARG; + } + + /* schedule the two ciphers */ + if ((err = cipher_descriptor[cipher].setup(key1, keylen, num_rounds, &xts->key1)) != CRYPT_OK) { + return err; + } + if ((err = cipher_descriptor[cipher].setup(key2, keylen, num_rounds, &xts->key2)) != CRYPT_OK) { + return err; + } + xts->cipher = cipher; + + return err; +} + +#endif + +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ + diff --git a/libtomcrypt/src/modes/xts/xts_mult_x.c b/libtomcrypt/src/modes/xts/xts_mult_x.c new file mode 100644 index 0000000..e5b7c11 --- /dev/null +++ b/libtomcrypt/src/modes/xts/xts_mult_x.c @@ -0,0 +1,42 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org + */ +#include "tomcrypt.h" + +/** + Source donated by Elliptic Semiconductor Inc (www.ellipticsemi.com) to the LibTom Projects +*/ + +#ifdef LTC_XTS_MODE + +/** multiply by x + @param I The value to multiply by x (LFSR shift) +*/ +void xts_mult_x(unsigned char *I) +{ + int x; + unsigned char t, tt; + + for (x = t = 0; x < 16; x++) { + tt = I[x] >> 7; + I[x] = ((I[x] << 1) | t) & 0xFF; + t = tt; + } + if (tt) { + I[0] ^= 0x87; + } +} + +#endif + +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ + diff --git a/libtomcrypt/src/modes/xts/xts_test.c b/libtomcrypt/src/modes/xts/xts_test.c new file mode 100644 index 0000000..b91e0f4 --- /dev/null +++ b/libtomcrypt/src/modes/xts/xts_test.c @@ -0,0 +1,199 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org + */ +#include "tomcrypt.h" + +#ifdef LTC_XTS_MODE + +/** + Source donated by Elliptic Semiconductor Inc (www.ellipticsemi.com) to the LibTom Projects + Returns CRYPT_OK upon success. +*/ +int xts_test(void) +{ +#ifdef LTC_NO_TEST + return CRYPT_NOP; +#else + static const struct { + int keylen; + unsigned char key1[32]; + unsigned char key2[32]; + ulong64 seqnum; + unsigned long PTLEN; + unsigned char PTX[512], CTX[512]; + } tests[] = { + +/* #1 32 byte key, 32 byte PTX */ +{ + 32, + { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, + { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, + 0, + 32, + { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, + { 0x91,0x7c,0xf6,0x9e,0xbd,0x68,0xb2,0xec,0x9b,0x9f,0xe9,0xa3,0xea,0xdd,0xa6,0x92,0xcd,0x43,0xd2,0xf5,0x95,0x98,0xed,0x85,0x8c,0x02,0xc2,0x65,0x2f,0xbf,0x92,0x2e }, +}, + +/* #2, 32 byte key, 32 byte PTX */ +{ + 32, + { 0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11 }, + { 0x22,0x22,0x22,0x22,0x22,0x22,0x22,0x22,0x22,0x22,0x22,0x22,0x22,0x22,0x22,0x22 }, + CONST64(0x3333333333), + 32, + { 0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44 }, + { 0xc4,0x54,0x18,0x5e,0x6a,0x16,0x93,0x6e,0x39,0x33,0x40,0x38,0xac,0xef,0x83,0x8b,0xfb,0x18,0x6f,0xff,0x74,0x80,0xad,0xc4,0x28,0x93,0x82,0xec,0xd6,0xd3,0x94,0xf0 }, +}, + +/* #5 from xts.7, 32 byte key, 32 byte PTX */ +{ + 32, + { 0xff,0xfe,0xfd,0xfc,0xfb,0xfa,0xf9,0xf8,0xf7,0xf6,0xf5,0xf4,0xf3,0xf2,0xf1,0xf0 }, + { 0xbf,0xbe,0xbd,0xbc,0xbb,0xba,0xb9,0xb8,0xb7,0xb6,0xb5,0xb4,0xb3,0xb2,0xb1,0xb0 }, + CONST64(0x123456789a), + 32, + { 0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44 }, + { 0xb0,0x1f,0x86,0xf8,0xed,0xc1,0x86,0x37,0x06,0xfa,0x8a,0x42,0x53,0xe3,0x4f,0x28,0xaf,0x31,0x9d,0xe3,0x83,0x34,0x87,0x0f,0x4d,0xd1,0xf9,0x4c,0xbe,0x98,0x32,0xf1 }, +}, + +/* #4, 32 byte key, 512 byte PTX */ +{ + 32, + { 0x27,0x18,0x28,0x18,0x28,0x45,0x90,0x45,0x23,0x53,0x60,0x28,0x74,0x71,0x35,0x26 }, + { 0x31,0x41,0x59,0x26,0x53,0x58,0x97,0x93,0x23,0x84,0x62,0x64,0x33,0x83,0x27,0x95 }, + 0, + 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+0xbb,0x14,0x0f,0x2e,0x58,0x3c,0xb2,0xad,0x15,0xb4,0xaa,0x5b,0x65,0x50,0x16,0xa8,0x44,0x92,0x77,0xdb,0xd4,0x77,0xef,0x2c,0x8d,0x6c,0x01,0x7d,0xb7,0x38,0xb1,0x8d, +0xeb,0x4a,0x42,0x7d,0x19,0x23,0xce,0x3f,0xf2,0x62,0x73,0x57,0x79,0xa4,0x18,0xf2,0x0a,0x28,0x2d,0xf9,0x20,0x14,0x7b,0xea,0xbe,0x42,0x1e,0xe5,0x31,0x9d,0x05,0x68, + } +}, + +/* #7, 32 byte key, 17 byte PTX */ +{ + 32, + { 0xff,0xfe,0xfd,0xfc,0xfb,0xfa,0xf9,0xf8,0xf7,0xf6,0xf5,0xf4,0xf3,0xf2,0xf1,0xf0 }, + { 0xbf,0xbe,0xbd,0xbc,0xbb,0xba,0xb9,0xb8,0xb7,0xb6,0xb5,0xb4,0xb3,0xb2,0xb1,0xb0 }, + CONST64(0x123456789a), + 17, + { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10 }, + { 0x6c,0x16,0x25,0xdb,0x46,0x71,0x52,0x2d,0x3d,0x75,0x99,0x60,0x1d,0xe7,0xca,0x09,0xed }, +}, + +/* #15, 32 byte key, 25 byte PTX */ +{ + 32, + { 0xff,0xfe,0xfd,0xfc,0xfb,0xfa,0xf9,0xf8,0xf7,0xf6,0xf5,0xf4,0xf3,0xf2,0xf1,0xf0 }, + { 0xbf,0xbe,0xbd,0xbc,0xbb,0xba,0xb9,0xb8,0xb7,0xb6,0xb5,0xb4,0xb3,0xb2,0xb1,0xb0 }, + CONST64(0x123456789a), + 25, + { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18 }, + { 0x8f,0x4d,0xcb,0xad,0x55,0x55,0x8d,0x7b,0x4e,0x01,0xd9,0x37,0x9c,0xd4,0xea,0x22,0xed,0xbf,0x9d,0xac,0xe4,0x5d,0x6f,0x6a,0x73 }, +}, + +/* #21, 32 byte key, 31 byte PTX */ +{ + 32, + { 0xff,0xfe,0xfd,0xfc,0xfb,0xfa,0xf9,0xf8,0xf7,0xf6,0xf5,0xf4,0xf3,0xf2,0xf1,0xf0 }, + { 0xbf,0xbe,0xbd,0xbc,0xbb,0xba,0xb9,0xb8,0xb7,0xb6,0xb5,0xb4,0xb3,0xb2,0xb1,0xb0 }, + CONST64(0x123456789a), + 31, + { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e }, + { 0xd0,0x5b,0xc0,0x90,0xa8,0xe0,0x4f,0x1b,0x3d,0x3e,0xcd,0xd5,0xba,0xec,0x0f,0xd4,0xed,0xbf,0x9d,0xac,0xe4,0x5d,0x6f,0x6a,0x73,0x06,0xe6,0x4b,0xe5,0xdd,0x82 }, +}, + +}; + unsigned char OUT[512], T[16]; + ulong64 seq; + symmetric_xts xts; + int i, err, idx; + + /* AES can be under rijndael or aes... try to find it */ + if ((idx = find_cipher("aes")) == -1) { + if ((idx = find_cipher("rijndael")) == -1) { + return CRYPT_NOP; + } + } + + for (i = 0; i < (int)(sizeof(tests)/sizeof(tests[0])); i++) { + err = xts_start(idx, tests[i].key1, tests[i].key2, tests[i].keylen/2, 0, &xts); + if (err != CRYPT_OK) { + return err; + } + + seq = tests[i].seqnum; + STORE64L(seq,T); + XMEMSET(T+8, 0, 8); + + err = xts_encrypt(tests[i].PTX, tests[i].PTLEN, OUT, T, &xts); + if (err != CRYPT_OK) { + xts_done(&xts); + return err; + } + + if (XMEMCMP(OUT, tests[i].CTX, tests[i].PTLEN)) { + xts_done(&xts); + return CRYPT_FAIL_TESTVECTOR; + } + + err = xts_decrypt(tests[i].CTX, tests[i].PTLEN, OUT, T, &xts); + if (err != CRYPT_OK) { + xts_done(&xts); + return err; + } + + if (XMEMCMP(OUT, tests[i].PTX, tests[i].PTLEN)) { + xts_done(&xts); + return CRYPT_FAIL_TESTVECTOR; + } + xts_done(&xts); + } + return CRYPT_OK; +#endif +} + +#endif + +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ + |