TeaSpeak/tomcrypt
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added libtomcrypt-1.17

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This commit is contained in:
Tom St Denis
2007-07-20 17:48:02 +00:00
committed by Steffen Jaeckel
parent e24b01d392
commit bbc52b9e1b
341 changed files with 4806 additions and 1740 deletions
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src/modes/ctr/ctr_decrypt.c
+1 -1
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@@ -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"
src/modes/ctr/ctr_done.c
+1 -1
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@@ -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"
src/modes/ctr/ctr_encrypt.c
+3 -3
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@@ -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;
src/modes/ctr/ctr_getiv.c
+1 -1
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@@ -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"
src/modes/ctr/ctr_setiv.c
+1 -1
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@@ -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"
src/modes/ctr/ctr_start.c
+14 -4
View File
@@ -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;
src/modes/ctr/ctr_test.c
+1 -1
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@@ -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"