merge of '73fe066c5d9e2395354ba74756124d45c978a04d'

     and 'f5014cc84558f1e8eba42dbecf9f72f94bfe6134'

--HG--
branch : channel-fix
extra : convert_revision : cc6095ce978e5f9e51ece6f1717499bc73594bcc

44 files changed, 1381 insertions, 173 deletions

diff --git a/libtomcrypt/src/modes/cbc/cbc_decrypt.c b/libtomcrypt/src/modes/cbc/cbc_decrypt.c
index fc3fdd5..d768d88 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -16,7 +16,7 @@
 */
 
 
-#ifdef CBC
+#ifdef LTC_CBC_MODE
 
 /**
   CBC decrypt
@@ -45,7 +45,7 @@ int cbc_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, s
    }
    
    /* is blocklen valid? */
-   if (cbc->blocklen < 0 || cbc->blocklen > (int)sizeof(cbc->IV)) {
+   if (cbc->blocklen < 1 || cbc->blocklen > (int)sizeof(cbc->IV)) {
       return CRYPT_INVALID_ARG;
    }    
 
@@ -53,32 +53,34 @@ int cbc_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, s
       return CRYPT_INVALID_ARG;
    }
 #ifdef LTC_FAST
-   if (len % sizeof(LTC_FAST_TYPE)) {   
+   if (cbc->blocklen % sizeof(LTC_FAST_TYPE)) {   
       return CRYPT_INVALID_ARG;
    }
 #endif
    
    if (cipher_descriptor[cbc->cipher].accel_cbc_decrypt != NULL) {
-      cipher_descriptor[cbc->cipher].accel_cbc_decrypt(ct, pt, len / cbc->blocklen, cbc->IV, &cbc->key);
+      return cipher_descriptor[cbc->cipher].accel_cbc_decrypt(ct, pt, len / cbc->blocklen, cbc->IV, &cbc->key);
    } else {
       while (len) {
          /* decrypt */
-         cipher_descriptor[cbc->cipher].ecb_decrypt(ct, tmp, &cbc->key);
+         if ((err = cipher_descriptor[cbc->cipher].ecb_decrypt(ct, tmp, &cbc->key)) != CRYPT_OK) {
+            return err;
+         }
 
          /* xor IV against plaintext */
          #if defined(LTC_FAST)
-	     for (x = 0; x < cbc->blocklen; x += sizeof(LTC_FAST_TYPE)) {
-	         tmpy = *((LTC_FAST_TYPE*)((unsigned char *)cbc->IV + x)) ^ *((LTC_FAST_TYPE*)((unsigned char *)tmp + x));
-		 *((LTC_FAST_TYPE*)((unsigned char *)cbc->IV + x)) = *((LTC_FAST_TYPE*)((unsigned char *)ct + x));
-		 *((LTC_FAST_TYPE*)((unsigned char *)pt + x)) = tmpy;
-	     }
-	 #else 
+        for (x = 0; x < cbc->blocklen; x += sizeof(LTC_FAST_TYPE)) {
+            tmpy = *((LTC_FAST_TYPE*)((unsigned char *)cbc->IV + x)) ^ *((LTC_FAST_TYPE*)((unsigned char *)tmp + x));
+       *((LTC_FAST_TYPE*)((unsigned char *)cbc->IV + x)) = *((LTC_FAST_TYPE*)((unsigned char *)ct + x));
+       *((LTC_FAST_TYPE*)((unsigned char *)pt + x)) = tmpy;
+        }
+    #else 
             for (x = 0; x < cbc->blocklen; x++) {
                tmpy       = tmp[x] ^ cbc->IV[x];
                cbc->IV[x] = ct[x];
                pt[x]      = tmpy;
             }
-	 #endif
+    #endif
        
          ct  += cbc->blocklen;
          pt  += cbc->blocklen;
@@ -91,5 +93,5 @@ 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: 1.9 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.15 $ */
+/* $Date: 2006/11/21 00:18:23 $ */
diff --git a/libtomcrypt/src/modes/cbc/cbc_done.c b/libtomcrypt/src/modes/cbc/cbc_done.c
index afaa9bb..99b035e 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
    CBC implementation, finish chain, Tom St Denis
 */
 
-#ifdef CBC
+#ifdef LTC_CBC_MODE
 
 /** Terminate the chain
   @param cbc    The CBC chain to terminate
@@ -38,5 +38,5 @@ int cbc_done(symmetric_CBC *cbc)
 #endif
 
 /* $Source: /cvs/libtom/libtomcrypt/src/modes/cbc/cbc_done.c,v $ */
-/* $Revision: 1.4 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/06/29 01:46:46 $ */
diff --git a/libtomcrypt/src/modes/cbc/cbc_encrypt.c b/libtomcrypt/src/modes/cbc/cbc_encrypt.c
index a6b41b1..bbfd1c4 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -16,7 +16,7 @@
 */
 
 
-#ifdef CBC
+#ifdef LTC_CBC_MODE
 
 /**
   CBC encrypt
@@ -39,7 +39,7 @@ int cbc_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s
    }
    
    /* is blocklen valid? */
-   if (cbc->blocklen < 0 || cbc->blocklen > (int)sizeof(cbc->IV)) {
+   if (cbc->blocklen < 1 || cbc->blocklen > (int)sizeof(cbc->IV)) {
       return CRYPT_INVALID_ARG;
    }    
 
@@ -47,39 +47,41 @@ int cbc_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s
       return CRYPT_INVALID_ARG;
    }
 #ifdef LTC_FAST
-   if (len % sizeof(LTC_FAST_TYPE)) {   
+   if (cbc->blocklen % sizeof(LTC_FAST_TYPE)) {   
       return CRYPT_INVALID_ARG;
    }
 #endif
 
    if (cipher_descriptor[cbc->cipher].accel_cbc_encrypt != NULL) {
-      cipher_descriptor[cbc->cipher].accel_cbc_encrypt(pt, ct, len / cbc->blocklen, cbc->IV, &cbc->key);
+      return cipher_descriptor[cbc->cipher].accel_cbc_encrypt(pt, ct, len / cbc->blocklen, cbc->IV, &cbc->key);
    } else {
       while (len) {
          /* xor IV against plaintext */
          #if defined(LTC_FAST)
-	     for (x = 0; x < cbc->blocklen; x += sizeof(LTC_FAST_TYPE)) {
-	         *((LTC_FAST_TYPE*)((unsigned char *)cbc->IV + x)) ^= *((LTC_FAST_TYPE*)((unsigned char *)pt + x));
-	     }
-	 #else 
+        for (x = 0; x < cbc->blocklen; x += sizeof(LTC_FAST_TYPE)) {
+            *((LTC_FAST_TYPE*)((unsigned char *)cbc->IV + x)) ^= *((LTC_FAST_TYPE*)((unsigned char *)pt + x));
+        }
+    #else 
             for (x = 0; x < cbc->blocklen; x++) {
                cbc->IV[x] ^= pt[x];
             }
-	 #endif
+    #endif
 
          /* encrypt */
-         cipher_descriptor[cbc->cipher].ecb_encrypt(cbc->IV, ct, &cbc->key);
+         if ((err = cipher_descriptor[cbc->cipher].ecb_encrypt(cbc->IV, ct, &cbc->key)) != CRYPT_OK) {
+            return err;
+         }
 
         /* store IV [ciphertext] for a future block */
          #if defined(LTC_FAST)
-	     for (x = 0; x < cbc->blocklen; x += sizeof(LTC_FAST_TYPE)) {
-	         *((LTC_FAST_TYPE*)((unsigned char *)cbc->IV + x)) = *((LTC_FAST_TYPE*)((unsigned char *)ct + x));
-	     }
-	 #else 
+        for (x = 0; x < cbc->blocklen; x += sizeof(LTC_FAST_TYPE)) {
+            *((LTC_FAST_TYPE*)((unsigned char *)cbc->IV + x)) = *((LTC_FAST_TYPE*)((unsigned char *)ct + x));
+        }
+    #else 
              for (x = 0; x < cbc->blocklen; x++) {
                 cbc->IV[x] = ct[x];
              }
-	 #endif
+    #endif
         
         ct  += cbc->blocklen;
         pt  += cbc->blocklen;
@@ -92,5 +94,5 @@ 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: 1.7 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.13 $ */
+/* $Date: 2006/11/21 00:18:23 $ */
diff --git a/libtomcrypt/src/modes/cbc/cbc_getiv.c b/libtomcrypt/src/modes/cbc/cbc_getiv.c
index ab418b1..c54d558 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
    CBC implementation, get IV, Tom St Denis
 */
 
-#ifdef CBC
+#ifdef LTC_CBC_MODE
 
 /**
    Get the current initial vector
@@ -30,6 +30,7 @@ int cbc_getiv(unsigned char *IV, unsigned long *len, symmetric_CBC *cbc)
    LTC_ARGCHK(len != NULL);
    LTC_ARGCHK(cbc != NULL);
    if ((unsigned long)cbc->blocklen > *len) {
+      *len = cbc->blocklen;
       return CRYPT_BUFFER_OVERFLOW;
    }
    XMEMCPY(IV, cbc->IV, cbc->blocklen);
@@ -41,5 +42,5 @@ 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: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/06/29 01:46:46 $ */
diff --git a/libtomcrypt/src/modes/cbc/cbc_setiv.c b/libtomcrypt/src/modes/cbc/cbc_setiv.c
index c38e713..6fb70ca 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -16,7 +16,7 @@
 */
 
 
-#ifdef CBC
+#ifdef LTC_CBC_MODE
 
 /**
    Set an initial vector
@@ -40,5 +40,5 @@ int cbc_setiv(const unsigned char *IV, unsigned long len, symmetric_CBC *cbc)
 
 
 /* $Source: /cvs/libtom/libtomcrypt/src/modes/cbc/cbc_setiv.c,v $ */
-/* $Revision: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/06/29 01:46:46 $ */
diff --git a/libtomcrypt/src/modes/cbc/cbc_start.c b/libtomcrypt/src/modes/cbc/cbc_start.c
index 833bb87..86ec7b9 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
    CBC implementation, start chain, Tom St Denis
 */
 
-#ifdef CBC
+#ifdef LTC_CBC_MODE
 
 /**
    Initialize a CBC context
@@ -58,5 +58,5 @@ 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: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/06/29 01:46:46 $ */
diff --git a/libtomcrypt/src/modes/cfb/cfb_decrypt.c b/libtomcrypt/src/modes/cfb/cfb_decrypt.c
index 3d51ba5..76a4de1 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
   CFB implementation, decrypt data, Tom St Denis
 */
 
-#ifdef CFB
+#ifdef LTC_CFB_MODE
 
 /**
    CFB decrypt
@@ -45,14 +45,16 @@ int cfb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, s
 
    while (len-- > 0) {
        if (cfb->padlen == cfb->blocklen) {
-          cipher_descriptor[cfb->cipher].ecb_encrypt(cfb->pad, cfb->IV, &cfb->key);
+          if ((err = cipher_descriptor[cfb->cipher].ecb_encrypt(cfb->pad, cfb->IV, &cfb->key)) != CRYPT_OK) {
+             return err;
+          }
           cfb->padlen = 0;
        }
        cfb->pad[cfb->padlen] = *ct;
        *pt = *ct ^ cfb->IV[cfb->padlen];
        ++pt; 
        ++ct;
-       ++cfb->padlen;
+       ++(cfb->padlen);
    }
    return CRYPT_OK;
 }
@@ -61,5 +63,5 @@ int cfb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, s
 
 
 /* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_decrypt.c,v $ */
-/* $Revision: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.7 $ */
+/* $Date: 2006/11/26 01:45:14 $ */
diff --git a/libtomcrypt/src/modes/cfb/cfb_done.c b/libtomcrypt/src/modes/cfb/cfb_done.c
index 8924761..4ee9d50 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
    CFB implementation, finish chain, Tom St Denis
 */
 
-#ifdef CFB
+#ifdef LTC_CFB_MODE
 
 /** Terminate the chain
   @param cfb    The CFB chain to terminate
@@ -38,5 +38,5 @@ int cfb_done(symmetric_CFB *cfb)
 #endif
 
 /* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_done.c,v $ */
-/* $Revision: 1.4 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/06/29 01:51:34 $ */
diff --git a/libtomcrypt/src/modes/cfb/cfb_encrypt.c b/libtomcrypt/src/modes/cfb/cfb_encrypt.c
index cca0116..b619682 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
   CFB implementation, encrypt data, Tom St Denis
 */
 
-#ifdef CFB
+#ifdef LTC_CFB_MODE
 
 /**
   CFB encrypt
@@ -45,13 +45,15 @@ int cfb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s
 
    while (len-- > 0) {
        if (cfb->padlen == cfb->blocklen) {
-          cipher_descriptor[cfb->cipher].ecb_encrypt(cfb->pad, cfb->IV, &cfb->key);
+          if ((err = cipher_descriptor[cfb->cipher].ecb_encrypt(cfb->pad, cfb->IV, &cfb->key)) != CRYPT_OK) {
+             return err;
+          }
           cfb->padlen = 0;
        }
        cfb->pad[cfb->padlen] = (*ct = *pt ^ cfb->IV[cfb->padlen]);
        ++pt; 
        ++ct;
-       ++cfb->padlen;
+       ++(cfb->padlen);
    }
    return CRYPT_OK;
 }
@@ -59,5 +61,5 @@ 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: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.7 $ */
+/* $Date: 2006/11/26 01:45:14 $ */
diff --git a/libtomcrypt/src/modes/cfb/cfb_getiv.c b/libtomcrypt/src/modes/cfb/cfb_getiv.c
index 5c5b4c4..1689a75 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
    CFB implementation, get IV, Tom St Denis
 */
 
-#ifdef CFB
+#ifdef LTC_CFB_MODE
 
 /**
    Get the current initial vector
@@ -30,6 +30,7 @@ int cfb_getiv(unsigned char *IV, unsigned long *len, symmetric_CFB *cfb)
    LTC_ARGCHK(len != NULL);
    LTC_ARGCHK(cfb != NULL);
    if ((unsigned long)cfb->blocklen > *len) {
+      *len = cfb->blocklen;
       return CRYPT_BUFFER_OVERFLOW;
    }
    XMEMCPY(IV, cfb->IV, cfb->blocklen);
@@ -41,5 +42,5 @@ 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: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/06/29 01:51:34 $ */
diff --git a/libtomcrypt/src/modes/cfb/cfb_setiv.c b/libtomcrypt/src/modes/cfb/cfb_setiv.c
index d075a0d..efb848b 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -14,7 +14,8 @@
   @file cfb_setiv.c
   CFB implementation, set IV, Tom St Denis
 */  
-#ifdef CFB
+
+#ifdef LTC_CFB_MODE
 
 /**
    Set an initial vector
@@ -40,14 +41,12 @@ int cfb_setiv(const unsigned char *IV, unsigned long len, symmetric_CFB *cfb)
       
    /* force next block */
    cfb->padlen = 0;
-   cipher_descriptor[cfb->cipher].ecb_encrypt(IV, cfb->IV, &cfb->key);
-
-   return CRYPT_OK;
+   return cipher_descriptor[cfb->cipher].ecb_encrypt(IV, cfb->IV, &cfb->key);
 }
 
 #endif 
 
 
 /* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_setiv.c,v $ */
-/* $Revision: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/06/29 01:51:34 $ */
diff --git a/libtomcrypt/src/modes/cfb/cfb_start.c b/libtomcrypt/src/modes/cfb/cfb_start.c
index 755e173..e70d635 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -16,7 +16,7 @@
 */
 
 
-#ifdef CFB
+#ifdef LTC_CFB_MODE
 
 /**
    Initialize a CFB context
@@ -54,14 +54,12 @@ int cfb_start(int cipher, const unsigned char *IV, const unsigned char *key,
    }
 
    /* encrypt the IV */
-   cipher_descriptor[cfb->cipher].ecb_encrypt(cfb->IV, cfb->IV, &cfb->key);
    cfb->padlen = 0;
-
-   return CRYPT_OK;
+   return cipher_descriptor[cfb->cipher].ecb_encrypt(cfb->IV, cfb->IV, &cfb->key);
 }
 
 #endif
 
 /* $Source: /cvs/libtom/libtomcrypt/src/modes/cfb/cfb_start.c,v $ */
-/* $Revision: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/06/29 01:51:34 $ */
diff --git a/libtomcrypt/src/modes/ctr/ctr_decrypt.c b/libtomcrypt/src/modes/ctr/ctr_decrypt.c
index e1d1d51..f32821f 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
   CTR implementation, decrypt data, Tom St Denis
 */
 
-#ifdef CTR
+#ifdef LTC_CTR_MODE
 
 /**
    CTR decrypt
@@ -38,5 +38,5 @@ int ctr_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, s
 
 
 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_decrypt.c,v $ */
-/* $Revision: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/06/29 01:46:46 $ */
diff --git a/libtomcrypt/src/modes/ctr/ctr_done.c b/libtomcrypt/src/modes/ctr/ctr_done.c
index f2e79ba..074c8b6 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
    CTR implementation, finish chain, Tom St Denis
 */
 
-#ifdef CTR
+#ifdef LTC_CTR_MODE
 
 /** Terminate the chain
   @param ctr    The CTR chain to terminate
@@ -38,5 +38,5 @@ int ctr_done(symmetric_CTR *ctr)
 #endif
 
 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_done.c,v $ */
-/* $Revision: 1.4 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/06/29 01:46:46 $ */
diff --git a/libtomcrypt/src/modes/ctr/ctr_encrypt.c b/libtomcrypt/src/modes/ctr/ctr_encrypt.c
index 79795ae..84dd65b 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -16,7 +16,7 @@
 */
 
 
-#ifdef CTR
+#ifdef LTC_CTR_MODE
 
 /**
   CTR encrypt
@@ -39,7 +39,7 @@ int ctr_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s
    }
    
    /* is blocklen/padlen valid? */
-   if (ctr->blocklen < 0 || ctr->blocklen > (int)sizeof(ctr->ctr) ||
+   if (ctr->blocklen < 1 || ctr->blocklen > (int)sizeof(ctr->ctr) ||
        ctr->padlen   < 0 || ctr->padlen   > (int)sizeof(ctr->pad)) {
       return CRYPT_INVALID_ARG;
    }
@@ -52,7 +52,9 @@ int ctr_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s
    
    /* handle acceleration only if pad is empty, accelerator is present and length is >= a block size */
    if ((ctr->padlen == ctr->blocklen) && cipher_descriptor[ctr->cipher].accel_ctr_encrypt != NULL && (len >= (unsigned long)ctr->blocklen)) {
-      cipher_descriptor[ctr->cipher].accel_ctr_encrypt(pt, ct, len/ctr->blocklen, ctr->ctr, ctr->mode, &ctr->key);
+      if ((err = cipher_descriptor[ctr->cipher].accel_ctr_encrypt(pt, ct, len/ctr->blocklen, ctr->ctr, ctr->mode, &ctr->key)) != CRYPT_OK) {
+         return err;
+      }
       len %= ctr->blocklen;
    }
 
@@ -79,7 +81,9 @@ int ctr_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s
          }
 
          /* encrypt it */
-         cipher_descriptor[ctr->cipher].ecb_encrypt(ctr->ctr, ctr->pad, &ctr->key);
+         if ((err = cipher_descriptor[ctr->cipher].ecb_encrypt(ctr->ctr, ctr->pad, &ctr->key)) != CRYPT_OK) {
+            return err;
+         }
          ctr->padlen = 0;
       }
 #ifdef LTC_FAST
@@ -88,15 +92,15 @@ int ctr_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s
             *((LTC_FAST_TYPE*)((unsigned char *)ct + x)) = *((LTC_FAST_TYPE*)((unsigned char *)pt + x)) ^
                                                            *((LTC_FAST_TYPE*)((unsigned char *)ctr->pad + x));
          }
-	    pt         += ctr->blocklen;
-	    ct         += ctr->blocklen;
-	    len        -= ctr->blocklen;
-	    ctr->padlen = ctr->blocklen;
-	    continue;
-	 }
-#endif	 
-    *ct++ = *pt++ ^ ctr->pad[ctr->padlen++];
-	 --len;
+       pt         += ctr->blocklen;
+       ct         += ctr->blocklen;
+       len        -= ctr->blocklen;
+       ctr->padlen = ctr->blocklen;
+       continue;
+      }
+#endif    
+      *ct++ = *pt++ ^ ctr->pad[ctr->padlen++];
+      --len;
    }
    return CRYPT_OK;
 }
@@ -104,5 +108,5 @@ 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: 1.13 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.20 $ */
+/* $Date: 2006/11/21 00:18:23 $ */
diff --git a/libtomcrypt/src/modes/ctr/ctr_getiv.c b/libtomcrypt/src/modes/ctr/ctr_getiv.c
index 50ce6a0..2fbf888 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
    CTR implementation, get IV, Tom St Denis
 */
 
-#ifdef CTR
+#ifdef LTC_CTR_MODE
 
 /**
    Get the current initial vector
@@ -30,6 +30,7 @@ int ctr_getiv(unsigned char *IV, unsigned long *len, symmetric_CTR *ctr)
    LTC_ARGCHK(len != NULL);
    LTC_ARGCHK(ctr != NULL);
    if ((unsigned long)ctr->blocklen > *len) {
+      *len = ctr->blocklen;
       return CRYPT_BUFFER_OVERFLOW;
    }
    XMEMCPY(IV, ctr->ctr, ctr->blocklen);
@@ -41,5 +42,5 @@ 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: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/06/29 01:46:46 $ */
diff --git a/libtomcrypt/src/modes/ctr/ctr_setiv.c b/libtomcrypt/src/modes/ctr/ctr_setiv.c
index 64d4c43..8e8649f 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
   CTR implementation, set IV, Tom St Denis
 */
   
-#ifdef CTR
+#ifdef LTC_CTR_MODE
 
 /**
    Set an initial vector
@@ -45,14 +45,12 @@ int ctr_setiv(const unsigned char *IV, unsigned long len, symmetric_CTR *ctr)
    
    /* force next block */
    ctr->padlen = 0;
-   cipher_descriptor[ctr->cipher].ecb_encrypt(IV, ctr->pad, &ctr->key);
-   
-   return CRYPT_OK;
+   return cipher_descriptor[ctr->cipher].ecb_encrypt(IV, ctr->pad, &ctr->key);
 }
 
 #endif 
 
 
 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_setiv.c,v $ */
-/* $Revision: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/06/29 01:46:46 $ */
diff --git a/libtomcrypt/src/modes/ctr/ctr_start.c b/libtomcrypt/src/modes/ctr/ctr_start.c
index 7c7eebb..895c8a4 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -16,7 +16,7 @@
 */
 
 
-#ifdef CTR
+#ifdef LTC_CTR_MODE
 
 /**
    Initialize a CTR context
@@ -55,16 +55,37 @@ int ctr_start(               int   cipher,
    ctr->blocklen = cipher_descriptor[cipher].block_length;
    ctr->cipher   = cipher;
    ctr->padlen   = 0;
-   ctr->mode     = ctr_mode;
+   ctr->mode     = ctr_mode & 1;
    for (x = 0; x < ctr->blocklen; x++) {
        ctr->ctr[x] = IV[x];
    }
-   cipher_descriptor[ctr->cipher].ecb_encrypt(ctr->ctr, ctr->pad, &ctr->key);
-   return CRYPT_OK;
+
+   if (ctr_mode & LTC_CTR_RFC3686) {
+      /* increment the IV as per RFC 3686 */
+      if (ctr->mode == CTR_COUNTER_LITTLE_ENDIAN) {
+         /* little-endian */
+         for (x = 0; x < ctr->blocklen; x++) {
+             ctr->ctr[x] = (ctr->ctr[x] + (unsigned char)1) & (unsigned char)255;
+             if (ctr->ctr[x] != (unsigned char)0) {
+                break;
+             }
+         }
+      } else {
+         /* big-endian */
+         for (x = ctr->blocklen-1; x >= 0; x--) {
+             ctr->ctr[x] = (ctr->ctr[x] + (unsigned char)1) & (unsigned char)255;
+             if (ctr->ctr[x] != (unsigned char)0) {
+                break;
+             }
+         }
+      }
+   }
+
+   return cipher_descriptor[ctr->cipher].ecb_encrypt(ctr->ctr, ctr->pad, &ctr->key); 
 }
 
 #endif
 
 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_start.c,v $ */
-/* $Revision: 1.6 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.11 $ */
+/* $Date: 2006/11/05 01:46:35 $ */
diff --git a/libtomcrypt/src/modes/ctr/ctr_test.c b/libtomcrypt/src/modes/ctr/ctr_test.c
new file mode 100644
index 0000000..ad20778
--- /dev/null
+++ b/libtomcrypt/src/modes/ctr/ctr_test.c
@@ -0,0 +1,85 @@
+/* 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://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+  @file ctr_test.c
+  CTR implementation, Tests again RFC 3686, Tom St Denis
+*/
+
+#ifdef LTC_CTR_MODE
+
+int ctr_test(void)
+{
+#ifdef LTC_NO_TEST
+   return CRYPT_NOP;
+#else
+   static const struct {
+      int keylen, msglen;
+      unsigned char key[32], IV[16], pt[64], ct[64];
+   } tests[] = {
+/* 128-bit key, 16-byte pt */
+{
+   16, 16,
+   {0xAE,0x68,0x52,0xF8,0x12,0x10,0x67,0xCC,0x4B,0xF7,0xA5,0x76,0x55,0x77,0xF3,0x9E },
+   {0x00,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
+   {0x53,0x69,0x6E,0x67,0x6C,0x65,0x20,0x62,0x6C,0x6F,0x63,0x6B,0x20,0x6D,0x73,0x67 },
+   {0xE4,0x09,0x5D,0x4F,0xB7,0xA7,0xB3,0x79,0x2D,0x61,0x75,0xA3,0x26,0x13,0x11,0xB8 },
+},
+
+/* 128-bit key, 36-byte pt */
+{
+   16, 36,
+   {0x76,0x91,0xBE,0x03,0x5E,0x50,0x20,0xA8,0xAC,0x6E,0x61,0x85,0x29,0xF9,0xA0,0xDC },
+   {0x00,0xE0,0x01,0x7B,0x27,0x77,0x7F,0x3F,0x4A,0x17,0x86,0xF0,0x00,0x00,0x00,0x00 },
+   {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,0x1F,
+    0x20,0x21,0x22,0x23},
+   {0xC1,0xCF,0x48,0xA8,0x9F,0x2F,0xFD,0xD9,0xCF,0x46,0x52,0xE9,0xEF,0xDB,0x72,0xD7,
+    0x45,0x40,0xA4,0x2B,0xDE,0x6D,0x78,0x36,0xD5,0x9A,0x5C,0xEA,0xAE,0xF3,0x10,0x53,
+    0x25,0xB2,0x07,0x2F },
+},
+};
+  int idx, err, x;
+  unsigned char buf[64];
+  symmetric_CTR ctr;
+
+  /* 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 (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
+     if ((err = ctr_start(idx, tests[x].IV, tests[x].key, tests[x].keylen, 0, CTR_COUNTER_BIG_ENDIAN|LTC_CTR_RFC3686, &ctr)) != CRYPT_OK) {
+        return err;
+     }
+     if ((err = ctr_encrypt(tests[x].pt, buf, tests[x].msglen, &ctr)) != CRYPT_OK) {
+        return err;
+     }
+     ctr_done(&ctr);
+     if (XMEMCMP(buf, tests[x].ct, tests[x].msglen)) {
+        return CRYPT_FAIL_TESTVECTOR;
+     }
+  }
+  return CRYPT_OK;
+#endif
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_test.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2006/11/05 02:06:49 $ */
+
+
+
diff --git a/libtomcrypt/src/modes/ecb/ecb_decrypt.c b/libtomcrypt/src/modes/ecb/ecb_decrypt.c
index aa83661..c16fce0 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
   ECB implementation, decrypt a block, Tom St Denis
 */
 
-#ifdef ECB
+#ifdef LTC_ECB_MODE
 
 /**
   ECB decrypt
@@ -40,10 +40,12 @@ int ecb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, s
 
    /* check for accel */
    if (cipher_descriptor[ecb->cipher].accel_ecb_decrypt != NULL) {
-      cipher_descriptor[ecb->cipher].accel_ecb_decrypt(ct, pt, len / cipher_descriptor[ecb->cipher].block_length, &ecb->key);
+      return cipher_descriptor[ecb->cipher].accel_ecb_decrypt(ct, pt, len / cipher_descriptor[ecb->cipher].block_length, &ecb->key);
    } else {
       while (len) {
-         cipher_descriptor[ecb->cipher].ecb_decrypt(ct, pt, &ecb->key);
+         if ((err = cipher_descriptor[ecb->cipher].ecb_decrypt(ct, pt, &ecb->key)) != CRYPT_OK) {
+            return err;
+         }
          pt  += cipher_descriptor[ecb->cipher].block_length;
          ct  += cipher_descriptor[ecb->cipher].block_length;
          len -= cipher_descriptor[ecb->cipher].block_length;
@@ -55,5 +57,5 @@ 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: 1.5 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.9 $ */
+/* $Date: 2006/06/29 01:51:34 $ */
diff --git a/libtomcrypt/src/modes/ecb/ecb_done.c b/libtomcrypt/src/modes/ecb/ecb_done.c
index a072615..2af3a83 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
    ECB implementation, finish chain, Tom St Denis
 */
 
-#ifdef ECB
+#ifdef LTC_ECB_MODE
 
 /** Terminate the chain
   @param ecb    The ECB chain to terminate
@@ -38,5 +38,5 @@ int ecb_done(symmetric_ECB *ecb)
 #endif
 
 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ecb/ecb_done.c,v $ */
-/* $Revision: 1.5 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.7 $ */
+/* $Date: 2006/06/29 01:51:34 $ */
diff --git a/libtomcrypt/src/modes/ecb/ecb_encrypt.c b/libtomcrypt/src/modes/ecb/ecb_encrypt.c
index 21e0385..f6910c6 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
   ECB implementation, encrypt a block, Tom St Denis
 */
 
-#ifdef ECB
+#ifdef LTC_ECB_MODE
 
 /**
   ECB encrypt
@@ -40,10 +40,12 @@ int ecb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s
 
    /* check for accel */
    if (cipher_descriptor[ecb->cipher].accel_ecb_encrypt != NULL) {
-      cipher_descriptor[ecb->cipher].accel_ecb_encrypt(pt, ct, len / cipher_descriptor[ecb->cipher].block_length, &ecb->key);
+      return cipher_descriptor[ecb->cipher].accel_ecb_encrypt(pt, ct, len / cipher_descriptor[ecb->cipher].block_length, &ecb->key);
    } else {
       while (len) {
-         cipher_descriptor[ecb->cipher].ecb_encrypt(pt, ct, &ecb->key);
+         if ((err = cipher_descriptor[ecb->cipher].ecb_encrypt(pt, ct, &ecb->key)) != CRYPT_OK) {
+            return err;
+         }
          pt  += cipher_descriptor[ecb->cipher].block_length;
          ct  += cipher_descriptor[ecb->cipher].block_length;
          len -= cipher_descriptor[ecb->cipher].block_length;
@@ -55,5 +57,5 @@ 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: 1.5 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.9 $ */
+/* $Date: 2006/06/29 01:51:34 $ */
diff --git a/libtomcrypt/src/modes/ecb/ecb_start.c b/libtomcrypt/src/modes/ecb/ecb_start.c
index f7baa81..cc84579 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -16,7 +16,7 @@
 */
 
 
-#ifdef ECB
+#ifdef LTC_ECB_MODE
 
 /**
    Initialize a ECB context
@@ -44,5 +44,5 @@ 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: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/06/29 01:51:34 $ */
diff --git a/libtomcrypt/src/modes/f8/f8_decrypt.c b/libtomcrypt/src/modes/f8/f8_decrypt.c
new file mode 100644
index 0000000..fc8f61a
--- /dev/null
+++ b/libtomcrypt/src/modes/f8/f8_decrypt.c
@@ -0,0 +1,43 @@
+/* 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://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+  @file f8_decrypt.c
+  F8 implementation, decrypt data, Tom St Denis
+*/
+
+#ifdef LTC_F8_MODE
+
+/**
+   F8 decrypt
+   @param ct      Ciphertext
+   @param pt      [out] Plaintext
+   @param len     Length of ciphertext (octets)
+   @param f8      F8 state
+   @return CRYPT_OK if successful
+*/
+int f8_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_F8 *f8)
+{
+   LTC_ARGCHK(pt != NULL);
+   LTC_ARGCHK(ct != NULL);
+   LTC_ARGCHK(f8 != NULL);
+   return f8_encrypt(ct, pt, len, f8);
+}
+
+
+#endif
+
+ 
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/f8/f8_decrypt.c,v $ */
+/* $Revision: 1.2 $ */
+/* $Date: 2006/06/16 22:49:25 $ */
diff --git a/libtomcrypt/src/modes/f8/f8_done.c b/libtomcrypt/src/modes/f8/f8_done.c
new file mode 100644
index 0000000..c864767
--- /dev/null
+++ b/libtomcrypt/src/modes/f8/f8_done.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://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+   @file f8_done.c
+   F8 implementation, finish chain, Tom St Denis
+*/
+
+#ifdef LTC_F8_MODE
+
+/** Terminate the chain
+  @param f8    The F8 chain to terminate
+  @return CRYPT_OK on success
+*/
+int f8_done(symmetric_F8 *f8)
+{
+   int err;
+   LTC_ARGCHK(f8 != NULL);
+
+   if ((err = cipher_is_valid(f8->cipher)) != CRYPT_OK) {
+      return err;
+   }
+   cipher_descriptor[f8->cipher].done(&f8->key);
+   return CRYPT_OK;
+}
+
+   
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/f8/f8_done.c,v $ */
+/* $Revision: 1.2 $ */
+/* $Date: 2006/06/16 22:49:25 $ */
diff --git a/libtomcrypt/src/modes/f8/f8_encrypt.c b/libtomcrypt/src/modes/f8/f8_encrypt.c
new file mode 100644
index 0000000..fc33be9
--- /dev/null
+++ b/libtomcrypt/src/modes/f8/f8_encrypt.c
@@ -0,0 +1,103 @@
+/* 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://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+  @file f8_encrypt.c
+  F8 implementation, encrypt data, Tom St Denis
+*/
+
+#ifdef LTC_F8_MODE
+
+/**
+  F8 encrypt
+  @param pt     Plaintext
+  @param ct     [out] Ciphertext
+  @param len    Length of plaintext (octets)
+  @param f8     F8 state
+  @return CRYPT_OK if successful
+*/
+int f8_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_F8 *f8)
+{
+   int           err, x;
+   unsigned char buf[MAXBLOCKSIZE];
+   LTC_ARGCHK(pt != NULL);
+   LTC_ARGCHK(ct != NULL);
+   LTC_ARGCHK(f8 != NULL);
+   if ((err = cipher_is_valid(f8->cipher)) != CRYPT_OK) {
+       return err;
+   }
+   
+   /* is blocklen/padlen valid? */
+   if (f8->blocklen < 0 || f8->blocklen > (int)sizeof(f8->IV) ||
+       f8->padlen   < 0 || f8->padlen   > (int)sizeof(f8->IV)) {
+      return CRYPT_INVALID_ARG;
+   }
+   
+   zeromem(buf, sizeof(buf));
+
+   /* make sure the pad is empty */
+   if (f8->padlen == f8->blocklen) {
+      /* xor of IV, MIV and blockcnt == what goes into cipher */
+      STORE32H(f8->blockcnt, (buf+(f8->blocklen-4)));
+      ++(f8->blockcnt);
+      for (x = 0; x < f8->blocklen; x++) {
+          f8->IV[x] ^= f8->MIV[x] ^ buf[x];
+      }
+      if ((err = cipher_descriptor[f8->cipher].ecb_encrypt(f8->IV, f8->IV, &f8->key)) != CRYPT_OK) {
+         return err;
+      }
+      f8->padlen = 0;
+   }
+
+#ifdef LTC_FAST
+   if (f8->padlen == 0) {
+      while (len >= (unsigned long)f8->blocklen) {
+         STORE32H(f8->blockcnt, (buf+(f8->blocklen-4)));
+         ++(f8->blockcnt);
+         for (x = 0; x < f8->blocklen; x += sizeof(LTC_FAST_TYPE)) {
+             *((LTC_FAST_TYPE*)(&ct[x])) = *((LTC_FAST_TYPE*)(&pt[x])) ^ *((LTC_FAST_TYPE*)(&f8->IV[x]));
+             *((LTC_FAST_TYPE*)(&f8->IV[x])) ^= *((LTC_FAST_TYPE*)(&f8->MIV[x])) ^ *((LTC_FAST_TYPE*)(&buf[x]));
+         }
+         if ((err = cipher_descriptor[f8->cipher].ecb_encrypt(f8->IV, f8->IV, &f8->key)) != CRYPT_OK) {
+            return err;
+         }
+         len -= x;
+         pt  += x;
+         ct  += x;
+      }
+   }
+#endif             
+
+   while (len > 0) {
+       if (f8->padlen == f8->blocklen) {
+          /* xor of IV, MIV and blockcnt == what goes into cipher */
+          STORE32H(f8->blockcnt, (buf+(f8->blocklen-4)));
+          ++(f8->blockcnt);
+          for (x = 0; x < f8->blocklen; x++) {
+              f8->IV[x] ^= f8->MIV[x] ^ buf[x];
+          }
+          if ((err = cipher_descriptor[f8->cipher].ecb_encrypt(f8->IV, f8->IV, &f8->key)) != CRYPT_OK) {
+             return err;
+          }
+          f8->padlen = 0;
+       }
+       *ct++ = *pt++ ^ f8->IV[f8->padlen++];
+       --len;
+   }
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/f8/f8_encrypt.c,v $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/11/05 04:16:32 $ */
diff --git a/libtomcrypt/src/modes/f8/f8_getiv.c b/libtomcrypt/src/modes/f8/f8_getiv.c
new file mode 100644
index 0000000..2c5d92f
--- /dev/null
+++ b/libtomcrypt/src/modes/f8/f8_getiv.c
@@ -0,0 +1,46 @@
+/* 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://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+   @file ofb_getiv.c
+   F8 implementation, get IV, Tom St Denis
+*/
+
+#ifdef LTC_F8_MODE
+
+/**
+   Get the current initial vector
+   @param IV   [out] The destination of the initial vector
+   @param len  [in/out]  The max size and resulting size of the initial vector
+   @param f8   The F8 state
+   @return CRYPT_OK if successful
+*/
+int f8_getiv(unsigned char *IV, unsigned long *len, symmetric_F8 *f8)
+{
+   LTC_ARGCHK(IV  != NULL);
+   LTC_ARGCHK(len != NULL);
+   LTC_ARGCHK(f8  != NULL);
+   if ((unsigned long)f8->blocklen > *len) {
+      *len = f8->blocklen;
+      return CRYPT_BUFFER_OVERFLOW;
+   }
+   XMEMCPY(IV, f8->IV, f8->blocklen);
+   *len = f8->blocklen;
+
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/f8/f8_getiv.c,v $ */
+/* $Revision: 1.2 $ */
+/* $Date: 2006/06/16 22:49:25 $ */
diff --git a/libtomcrypt/src/modes/f8/f8_setiv.c b/libtomcrypt/src/modes/f8/f8_setiv.c
new file mode 100644
index 0000000..469cc15
--- /dev/null
+++ b/libtomcrypt/src/modes/f8/f8_setiv.c
@@ -0,0 +1,52 @@
+/* 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://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+   @file f8_setiv.c
+   F8 implementation, set IV, Tom St Denis
+*/
+
+#ifdef LTC_F8_MODE
+
+/**
+   Set an initial vector
+   @param IV   The initial vector
+   @param len  The length of the vector (in octets)
+   @param f8   The F8 state
+   @return CRYPT_OK if successful
+*/
+int f8_setiv(const unsigned char *IV, unsigned long len, symmetric_F8 *f8)
+{
+   int err;
+
+   LTC_ARGCHK(IV != NULL);
+   LTC_ARGCHK(f8 != NULL);
+
+   if ((err = cipher_is_valid(f8->cipher)) != CRYPT_OK) {
+       return err;
+   }
+
+   if (len != (unsigned long)f8->blocklen) {
+      return CRYPT_INVALID_ARG;
+   }
+
+   /* force next block */
+   f8->padlen = 0;
+   return cipher_descriptor[f8->cipher].ecb_encrypt(IV, f8->IV, &f8->key);
+}
+
+#endif 
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/f8/f8_setiv.c,v $ */
+/* $Revision: 1.2 $ */
+/* $Date: 2006/06/16 22:49:25 $ */
diff --git a/libtomcrypt/src/modes/f8/f8_start.c b/libtomcrypt/src/modes/f8/f8_start.c
new file mode 100644
index 0000000..bb05c16
--- /dev/null
+++ b/libtomcrypt/src/modes/f8/f8_start.c
@@ -0,0 +1,98 @@
+/* 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://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+   @file f8_start.c
+   F8 implementation, start chain, Tom St Denis
+*/
+
+
+#ifdef LTC_F8_MODE
+
+/**
+   Initialize an F8 context
+   @param cipher      The index of the cipher desired
+   @param IV          The initial vector
+   @param key         The secret key 
+   @param keylen      The length of the secret key (octets)
+   @param salt_key    The salting key for the IV
+   @param skeylen     The length of the salting key (octets)
+   @param num_rounds  Number of rounds in the cipher desired (0 for default)
+   @param f8          The F8 state to initialize
+   @return CRYPT_OK if successful
+*/
+int f8_start(                int  cipher, const unsigned char *IV, 
+             const unsigned char *key,                    int  keylen, 
+             const unsigned char *salt_key,               int  skeylen,
+                             int  num_rounds,   symmetric_F8  *f8)
+{
+   int           x, err;
+   unsigned char tkey[MAXBLOCKSIZE];
+
+   LTC_ARGCHK(IV       != NULL);
+   LTC_ARGCHK(key      != NULL);
+   LTC_ARGCHK(salt_key != NULL);
+   LTC_ARGCHK(f8       != NULL);
+
+   if ((err = cipher_is_valid(cipher)) != CRYPT_OK) {
+      return err;
+   }
+
+#ifdef LTC_FAST
+   if (cipher_descriptor[cipher].block_length % sizeof(LTC_FAST_TYPE)) {
+      return CRYPT_INVALID_ARG;
+   }
+#endif
+
+   /* copy details */
+   f8->blockcnt = 0;
+   f8->cipher   = cipher;
+   f8->blocklen = cipher_descriptor[cipher].block_length;
+   f8->padlen   = f8->blocklen;
+   
+   /* now get key ^ salt_key [extend salt_ket with 0x55 as required to match length] */
+   zeromem(tkey, sizeof(tkey));
+   for (x = 0; x < keylen && x < (int)sizeof(tkey); x++) {
+       tkey[x] = key[x];
+   }
+   for (x = 0; x < skeylen && x < (int)sizeof(tkey); x++) {
+       tkey[x] ^= salt_key[x];
+   }       
+   for (; x < keylen && x < (int)sizeof(tkey); x++) {
+       tkey[x] ^= 0x55;
+   }
+   
+   /* now encrypt with tkey[0..keylen-1] the IV and use that as the IV */
+   if ((err = cipher_descriptor[cipher].setup(tkey, keylen, num_rounds, &f8->key)) != CRYPT_OK) {
+      return err;
+   }
+   
+   /* encrypt IV */
+   if ((err = cipher_descriptor[f8->cipher].ecb_encrypt(IV, f8->MIV, &f8->key)) != CRYPT_OK) {
+      cipher_descriptor[f8->cipher].done(&f8->key);
+      return err;
+   }
+   zeromem(tkey, sizeof(tkey));
+   zeromem(f8->IV, sizeof(f8->IV));
+   
+   /* terminate this cipher */
+   cipher_descriptor[f8->cipher].done(&f8->key);
+   
+   /* init the cipher */
+   return cipher_descriptor[cipher].setup(key, keylen, num_rounds, &f8->key);
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/f8/f8_start.c,v $ */
+/* $Revision: 1.7 $ */
+/* $Date: 2006/11/05 01:36:43 $ */
diff --git a/libtomcrypt/src/modes/f8/f8_test_mode.c b/libtomcrypt/src/modes/f8/f8_test_mode.c
new file mode 100644
index 0000000..68160ea
--- /dev/null
+++ b/libtomcrypt/src/modes/f8/f8_test_mode.c
@@ -0,0 +1,76 @@
+/* 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://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+   @file f8_test_mode.c
+   F8 implementation, test, Tom St Denis
+*/
+
+
+#ifdef LTC_F8_MODE
+
+int f8_test_mode(void)
+{
+#ifndef LTC_TEST
+   return CRYPT_NOP;
+#else
+   static const unsigned char key[16] = { 0x23, 0x48, 0x29, 0x00, 0x84, 0x67, 0xbe, 0x18, 
+                                          0x6c, 0x3d, 0xe1, 0x4a, 0xae, 0x72, 0xd6, 0x2c };
+   static const unsigned char salt[4] = { 0x32, 0xf2, 0x87, 0x0d };
+   static const unsigned char IV[16]  = { 0x00, 0x6e, 0x5c, 0xba, 0x50, 0x68, 0x1d, 0xe5, 
+                                          0x5c, 0x62, 0x15, 0x99, 0xd4, 0x62, 0x56, 0x4a };
+   static const unsigned char pt[39]  = { 0x70, 0x73, 0x65, 0x75, 0x64, 0x6f, 0x72, 0x61, 
+                                          0x6e, 0x64, 0x6f, 0x6d, 0x6e, 0x65, 0x73, 0x73,
+                                          0x20, 0x69, 0x73, 0x20, 0x74, 0x68, 0x65, 0x20, 
+                                          0x6e, 0x65, 0x78, 0x74, 0x20, 0x62, 0x65, 0x73,
+                                          0x74, 0x20, 0x74, 0x68, 0x69, 0x6e, 0x67       };
+   static const unsigned char ct[39]  = { 0x01, 0x9c, 0xe7, 0xa2, 0x6e, 0x78, 0x54, 0x01, 
+                                          0x4a, 0x63, 0x66, 0xaa, 0x95, 0xd4, 0xee, 0xfd,
+                                          0x1a, 0xd4, 0x17, 0x2a, 0x14, 0xf9, 0xfa, 0xf4, 
+                                          0x55, 0xb7, 0xf1, 0xd4, 0xb6, 0x2b, 0xd0, 0x8f,
+                                          0x56, 0x2c, 0x0e, 0xef, 0x7c, 0x48, 0x02       };
+   unsigned char buf[39];
+   symmetric_F8  f8;
+   int           err, idx;
+   
+   idx = find_cipher("aes");
+   if (idx == -1) {
+      idx = find_cipher("rijndael");
+      if (idx == -1) return CRYPT_NOP;
+   }      
+   
+   /* initialize the context */
+   if ((err = f8_start(idx, IV, key, sizeof(key), salt, sizeof(salt), 0, &f8)) != CRYPT_OK) {
+      return err;
+   }
+   
+   /* encrypt block */
+   if ((err = f8_encrypt(pt, buf, sizeof(pt), &f8)) != CRYPT_OK) {
+      f8_done(&f8);
+      return err;
+   }
+   f8_done(&f8);
+
+   /* compare */
+   if (XMEMCMP(buf, ct, sizeof(ct))) {
+      return CRYPT_FAIL_TESTVECTOR;
+   }      
+   
+   return CRYPT_OK;
+#endif   
+}   
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/f8/f8_test_mode.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2006/11/13 11:55:25 $ */
diff --git a/libtomcrypt/src/modes/lrw/lrw_decrypt.c b/libtomcrypt/src/modes/lrw/lrw_decrypt.c
new file mode 100644
index 0000000..24eece8
--- /dev/null
+++ b/libtomcrypt/src/modes/lrw/lrw_decrypt.c
@@ -0,0 +1,51 @@
+/* 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://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+   @file lrw_decrypt.c
+   LRW_MODE implementation, Decrypt blocks, Tom St Denis
+*/
+
+#ifdef LTC_LRW_MODE
+
+/**
+  LRW decrypt blocks
+  @param ct     The ciphertext
+  @param pt     [out] The plaintext
+  @param len    The length in octets, must be a multiple of 16
+  @param lrw    The LRW state
+*/
+int lrw_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_LRW *lrw)
+{
+   int err;
+
+   LTC_ARGCHK(pt  != NULL);
+   LTC_ARGCHK(ct  != NULL);
+   LTC_ARGCHK(lrw != NULL);
+
+   if ((err = cipher_is_valid(lrw->cipher)) != CRYPT_OK) {
+      return err;
+   }
+
+   if (cipher_descriptor[lrw->cipher].accel_lrw_decrypt != NULL) {
+      return cipher_descriptor[lrw->cipher].accel_lrw_decrypt(ct, pt, len, lrw->IV, lrw->tweak, &lrw->key);
+   }
+
+   return lrw_process(ct, pt, len, LRW_DECRYPT, lrw);
+}
+
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_decrypt.c,v $ */
+/* $Revision: 1.8 $ */
+/* $Date: 2006/06/29 01:53:13 $ */
diff --git a/libtomcrypt/src/modes/lrw/lrw_done.c b/libtomcrypt/src/modes/lrw/lrw_done.c
new file mode 100644
index 0000000..4ae75c3
--- /dev/null
+++ b/libtomcrypt/src/modes/lrw/lrw_done.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://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+   @file lrw_done.c
+   LRW_MODE implementation, Free resources, Tom St Denis
+*/
+
+#ifdef LTC_LRW_MODE
+
+/**
+  Terminate a LRW state
+  @param lrw   The state to terminate
+  @return CRYPT_OK if successful
+*/
+int lrw_done(symmetric_LRW *lrw) 
+{
+   int err;
+
+   LTC_ARGCHK(lrw != NULL);
+ 
+   if ((err = cipher_is_valid(lrw->cipher)) != CRYPT_OK) {
+      return err;
+   }
+   cipher_descriptor[lrw->cipher].done(&lrw->key);
+
+   return CRYPT_OK;
+}
+
+#endif
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_done.c,v $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/06/29 01:53:13 $ */
diff --git a/libtomcrypt/src/modes/lrw/lrw_encrypt.c b/libtomcrypt/src/modes/lrw/lrw_encrypt.c
new file mode 100644
index 0000000..5ed11c9
--- /dev/null
+++ b/libtomcrypt/src/modes/lrw/lrw_encrypt.c
@@ -0,0 +1,50 @@
+/* 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://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+   @file lrw_encrypt.c
+   LRW_MODE implementation, Encrypt blocks, Tom St Denis
+*/
+
+#ifdef LTC_LRW_MODE
+ 
+/**
+  LRW encrypt blocks
+  @param pt     The plaintext
+  @param ct     [out] The ciphertext
+  @param len    The length in octets, must be a multiple of 16
+  @param lrw    The LRW state
+*/
+int lrw_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_LRW *lrw)
+{
+   int err;
+
+   LTC_ARGCHK(pt  != NULL);
+   LTC_ARGCHK(ct  != NULL);
+   LTC_ARGCHK(lrw != NULL);
+
+   if ((err = cipher_is_valid(lrw->cipher)) != CRYPT_OK) {
+      return err;
+   }
+
+   if (cipher_descriptor[lrw->cipher].accel_lrw_encrypt != NULL) {
+      return cipher_descriptor[lrw->cipher].accel_lrw_encrypt(pt, ct, len, lrw->IV, lrw->tweak, &lrw->key);
+   }
+
+   return lrw_process(pt, ct, len, LRW_ENCRYPT, lrw);
+}
+
+
+#endif
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_encrypt.c,v $ */
+/* $Revision: 1.9 $ */
+/* $Date: 2006/06/29 01:53:13 $ */
diff --git a/libtomcrypt/src/modes/lrw/lrw_getiv.c b/libtomcrypt/src/modes/lrw/lrw_getiv.c
new file mode 100644
index 0000000..00159ce
--- /dev/null
+++ b/libtomcrypt/src/modes/lrw/lrw_getiv.c
@@ -0,0 +1,45 @@
+/* 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://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+   @file lrw_getiv.c
+   LRW_MODE implementation, Retrieve the current IV, Tom St Denis
+*/
+
+#ifdef LTC_LRW_MODE
+
+/**
+  Get the IV for LRW
+  @param IV      [out] The IV, must be 16 octets
+  @param len     Length ... must be at least 16 :-)
+  @param lrw     The LRW state to read
+  @return CRYPT_OK if successful
+*/
+int lrw_getiv(unsigned char *IV, unsigned long *len, symmetric_LRW *lrw)
+{
+   LTC_ARGCHK(IV != NULL);
+   LTC_ARGCHK(len != NULL);
+   LTC_ARGCHK(lrw != NULL);
+   if (*len < 16) {
+       *len = 16;
+       return CRYPT_BUFFER_OVERFLOW;
+   }
+
+   XMEMCPY(IV, lrw->IV, 16);
+   *len = 16;
+   return CRYPT_OK;
+}
+
+#endif
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_getiv.c,v $ */
+/* $Revision: 1.9 $ */
+/* $Date: 2006/06/29 01:53:13 $ */
diff --git a/libtomcrypt/src/modes/lrw/lrw_process.c b/libtomcrypt/src/modes/lrw/lrw_process.c
new file mode 100644
index 0000000..451d4ce
--- /dev/null
+++ b/libtomcrypt/src/modes/lrw/lrw_process.c
@@ -0,0 +1,120 @@
+/* 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://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+   @file lrw_process.c
+   LRW_MODE implementation, Encrypt/decrypt blocks, Tom St Denis
+*/
+
+#ifdef LTC_LRW_MODE
+
+/**
+  Process blocks with LRW, since decrypt/encrypt are largely the same they share this code.
+  @param pt        The "input" data
+  @param ct        [out] The "output" data
+  @param len       The length of the input, must be a multiple of 128-bits (16 octets)
+  @param mode      LRW_ENCRYPT or LRW_DECRYPT
+  @param lrw       The LRW state
+  @return  CRYPT_OK if successful
+*/
+int lrw_process(const unsigned char *pt, unsigned char *ct, unsigned long len, int mode, symmetric_LRW *lrw)
+{
+   unsigned char prod[16];
+   int           x, err;
+#ifdef LRW_TABLES
+   int           y;
+#endif
+
+   LTC_ARGCHK(pt  != NULL);
+   LTC_ARGCHK(ct  != NULL);
+   LTC_ARGCHK(lrw != NULL);
+
+   if (len & 15) {
+      return CRYPT_INVALID_ARG;
+   }
+
+   while (len) {
+      /* copy pad */
+      XMEMCPY(prod, lrw->pad, 16);
+
+      /* increment IV */
+      for (x = 15; x >= 0; x--) {
+          lrw->IV[x] = (lrw->IV[x] + 1) & 255;
+          if (lrw->IV[x]) { 
+              break;
+          }
+      }
+
+      /* update pad */
+#ifdef LRW_TABLES
+      /* for each byte changed we undo it's affect on the pad then add the new product */
+      for (; x < 16; x++) {
+#ifdef LTC_FAST
+          for (y = 0; y < 16; y += sizeof(LTC_FAST_TYPE)) {
+              *((LTC_FAST_TYPE *)(lrw->pad + y)) ^= *((LTC_FAST_TYPE *)(&lrw->PC[x][lrw->IV[x]][y])) ^ *((LTC_FAST_TYPE *)(&lrw->PC[x][(lrw->IV[x]-1)&255][y]));
+          }
+#else
+          for (y = 0; y < 16; y++) {
+              lrw->pad[y] ^= lrw->PC[x][lrw->IV[x]][y] ^ lrw->PC[x][(lrw->IV[x]-1)&255][y];
+          }
+#endif
+      }
+#else
+      gcm_gf_mult(lrw->tweak, lrw->IV, lrw->pad);
+#endif
+
+      /* xor prod */
+#ifdef LTC_FAST
+      for (x = 0; x < 16; x += sizeof(LTC_FAST_TYPE)) {
+           *((LTC_FAST_TYPE *)(ct + x)) = *((LTC_FAST_TYPE *)(pt + x)) ^ *((LTC_FAST_TYPE *)(prod + x));
+      }
+#else
+      for (x = 0; x < 16; x++) {
+         ct[x] = pt[x] ^ prod[x];
+      }
+#endif
+
+      /* send through cipher */
+      if (mode == LRW_ENCRYPT) {
+         if ((err = cipher_descriptor[lrw->cipher].ecb_encrypt(ct, ct, &lrw->key)) != CRYPT_OK) {
+            return err;
+         }
+      } else {
+         if ((err = cipher_descriptor[lrw->cipher].ecb_decrypt(ct, ct, &lrw->key)) != CRYPT_OK) {
+            return err;
+         }
+      }               
+
+      /* xor prod */
+#ifdef LTC_FAST
+      for (x = 0; x < 16; x += sizeof(LTC_FAST_TYPE)) {
+           *((LTC_FAST_TYPE *)(ct + x)) = *((LTC_FAST_TYPE *)(ct + x)) ^ *((LTC_FAST_TYPE *)(prod + x));
+      }
+#else
+      for (x = 0; x < 16; x++) {
+         ct[x] = ct[x] ^ prod[x];
+      }
+#endif
+   
+      /* move to next */
+      pt  += 16;
+      ct  += 16;
+      len -= 16;
+   }
+
+   return CRYPT_OK;
+}
+      
+#endif
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_process.c,v $ */
+/* $Revision: 1.10 $ */
+/* $Date: 2006/06/29 01:53:13 $ */
diff --git a/libtomcrypt/src/modes/lrw/lrw_setiv.c b/libtomcrypt/src/modes/lrw/lrw_setiv.c
new file mode 100644
index 0000000..bb3c0aa
--- /dev/null
+++ b/libtomcrypt/src/modes/lrw/lrw_setiv.c
@@ -0,0 +1,79 @@
+/* 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://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+   @file lrw_setiv.c
+   LRW_MODE implementation, Set the current IV, Tom St Denis
+*/
+
+#ifdef LTC_LRW_MODE
+
+/**
+  Set the IV for LRW
+  @param IV      The IV, must be 16 octets
+  @param len     Length ... must be 16 :-)
+  @param lrw     The LRW state to update
+  @return CRYPT_OK if successful
+*/
+int lrw_setiv(const unsigned char *IV, unsigned long len, symmetric_LRW *lrw)
+{
+   int           err;
+#ifdef LRW_TABLES
+   unsigned char T[16];
+   int           x, y;
+#endif
+   LTC_ARGCHK(IV != NULL);
+   LTC_ARGCHK(lrw != NULL);
+
+   if (len != 16) {
+      return CRYPT_INVALID_ARG;
+   }
+
+   if ((err = cipher_is_valid(lrw->cipher)) != CRYPT_OK) {
+      return err;
+   }
+
+   /* copy the IV */
+   XMEMCPY(lrw->IV, IV, 16);
+
+   /* check if we have to actually do work */
+   if (cipher_descriptor[lrw->cipher].accel_lrw_encrypt != NULL && cipher_descriptor[lrw->cipher].accel_lrw_decrypt != NULL) {
+       /* we have accelerators, let's bail since they don't use lrw->pad anyways */
+       return CRYPT_OK;
+   }
+
+#ifdef LRW_TABLES
+   XMEMCPY(T, &lrw->PC[0][IV[0]][0], 16);
+   for (x = 1; x < 16; x++) {
+#ifdef LTC_FAST
+       for (y = 0; y < 16; y += sizeof(LTC_FAST_TYPE)) {
+           *((LTC_FAST_TYPE *)(T + y)) ^= *((LTC_FAST_TYPE *)(&lrw->PC[x][IV[x]][y]));
+       }
+#else
+       for (y = 0; y < 16; y++) {
+           T[y] ^= lrw->PC[x][IV[x]][y];
+       }
+#endif
+   }
+   XMEMCPY(lrw->pad, T, 16);
+#else     
+   gcm_gf_mult(lrw->tweak, IV, lrw->pad); 
+#endif
+
+   return CRYPT_OK;
+}
+
+
+#endif
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_setiv.c,v $ */
+/* $Revision: 1.12 $ */
+/* $Date: 2006/06/29 01:53:13 $ */
diff --git a/libtomcrypt/src/modes/lrw/lrw_start.c b/libtomcrypt/src/modes/lrw/lrw_start.c
new file mode 100644
index 0000000..a9f24b5
--- /dev/null
+++ b/libtomcrypt/src/modes/lrw/lrw_start.c
@@ -0,0 +1,103 @@
+/* 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://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+   @file lrw_start.c
+   LRW_MODE implementation, start mode, Tom St Denis
+*/
+
+#ifdef LTC_LRW_MODE
+
+/**
+  Initialize the LRW context
+  @param cipher        The cipher desired, must be a 128-bit block cipher 
+  @param IV            The index value, must be 128-bits
+  @param key           The cipher key 
+  @param keylen        The length of the cipher key in octets
+  @param tweak         The tweak value (second key), must be 128-bits
+  @param num_rounds    The number of rounds for the cipher (0 == default)
+  @param lrw           [out] The LRW state
+  @return CRYPT_OK on success.
+*/
+int lrw_start(               int   cipher,
+              const unsigned char *IV,
+              const unsigned char *key,       int keylen,
+              const unsigned char *tweak,
+                             int  num_rounds, 
+                   symmetric_LRW *lrw)
+{
+   int           err;
+#ifdef LRW_TABLES
+   unsigned char B[16];
+   int           x, y, z, t;
+#endif
+
+  LTC_ARGCHK(IV    != NULL);
+  LTC_ARGCHK(key   != NULL);
+  LTC_ARGCHK(tweak != NULL);
+  LTC_ARGCHK(lrw   != NULL);
+
+#ifdef LTC_FAST
+   if (16 % sizeof(LTC_FAST_TYPE)) {
+      return CRYPT_INVALID_ARG;
+   }
+#endif
+
+   /* is cipher valid? */
+   if ((err = cipher_is_valid(cipher)) != CRYPT_OK) {
+      return err;
+   }
+   if (cipher_descriptor[cipher].block_length != 16) {
+      return CRYPT_INVALID_CIPHER;
+   }
+
+   /* schedule key */
+   if ((err = cipher_descriptor[cipher].setup(key, keylen, num_rounds, &lrw->key)) != CRYPT_OK) {
+      return err;
+   }
+   lrw->cipher = cipher;
+
+   /* copy the IV and tweak */
+   XMEMCPY(lrw->tweak, tweak, 16);
+
+#ifdef LRW_TABLES
+   /* setup tables */
+   /* generate the first table as it has no shifting (from which we make the other tables) */
+   zeromem(B, 16);
+   for (y = 0; y < 256; y++) {
+        B[0] = y;
+        gcm_gf_mult(tweak, B, &lrw->PC[0][y][0]);
+   }
+
+   /* now generate the rest of the tables based the previous table */
+   for (x = 1; x < 16; x++) {
+      for (y = 0; y < 256; y++) {
+         /* now shift it right by 8 bits */
+         t = lrw->PC[x-1][y][15];
+         for (z = 15; z > 0; z--) {
+             lrw->PC[x][y][z] = lrw->PC[x-1][y][z-1];
+         }
+         lrw->PC[x][y][0]  = gcm_shift_table[t<<1];
+         lrw->PC[x][y][1] ^= gcm_shift_table[(t<<1)+1];
+     }
+  }
+#endif
+
+   /* generate first pad */
+   return lrw_setiv(IV, 16, lrw);
+}
+
+
+#endif
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_start.c,v $ */
+/* $Revision: 1.11 $ */
+/* $Date: 2006/06/29 01:53:13 $ */
diff --git a/libtomcrypt/src/modes/lrw/lrw_test.c b/libtomcrypt/src/modes/lrw/lrw_test.c
new file mode 100644
index 0000000..fe33845
--- /dev/null
+++ b/libtomcrypt/src/modes/lrw/lrw_test.c
@@ -0,0 +1,136 @@
+/* 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://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+   @file lrw_test.c
+   LRW_MODE implementation, test LRW, Tom St Denis
+*/
+
+#ifdef LTC_LRW_MODE
+
+/**
+  Test LRW against specs
+  @return CRYPT_OK if goodly
+*/
+int lrw_test(void)
+{
+#ifndef  LTC_TEST
+   return CRYPT_NOP;
+#else
+   static const struct {
+      unsigned char key[16], tweak[16], IV[16], P[16], expected_tweak[16], C[16];
+   } tests[] = {
+
+{
+{ 0x45, 0x62, 0xac, 0x25, 0xf8, 0x28, 0x17, 0x6d, 0x4c, 0x26, 0x84, 0x14, 0xb5, 0x68, 0x01, 0x85 },
+{ 0x25, 0x8e, 0x2a, 0x05, 0xe7, 0x3e, 0x9d, 0x03, 0xee, 0x5a, 0x83, 0x0c, 0xcc, 0x09, 0x4c, 0x87 },
+{ 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+{ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46 },
+{ 0x25, 0x8e, 0x2a, 0x05, 0xe7, 0x3e, 0x9d, 0x03, 0xee, 0x5a, 0x83, 0x0c, 0xcc, 0x09, 0x4c, 0x87 },
+{ 0xf1, 0xb2, 0x73, 0xcd, 0x65, 0xa3, 0xdf, 0x5f, 0xe9, 0x5d, 0x48, 0x92, 0x54, 0x63, 0x4e, 0xb8 }
+},
+
+{
+{ 0x59, 0x70, 0x47, 0x14, 0xf5, 0x57, 0x47, 0x8c, 0xd7, 0x79, 0xe8, 0x0f, 0x54, 0x88, 0x79, 0x44 },
+{ 0x35, 0x23, 0xc2, 0xde, 0xc5, 0x69, 0x4f, 0xa8, 0x72, 0xa9, 0xac, 0xa7, 0x0b, 0x2b, 0xee, 0xbc },
+{ 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+{ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46 },
+{ 0x1a, 0x91, 0xe1, 0x6f, 0x62, 0xb4, 0xa7, 0xd4, 0x39, 0x54, 0xd6, 0x53, 0x85, 0x95, 0xf7, 0x5e },
+{ 0x00, 0xc8, 0x2b, 0xae, 0x95, 0xbb, 0xcd, 0xe5, 0x27, 0x4f, 0x07, 0x69, 0xb2, 0x60, 0xe1, 0x36 },
+},
+
+{
+{ 0x59, 0x70, 0x47, 0x14, 0xf5, 0x57, 0x47, 0x8c, 0xd7, 0x79, 0xe8, 0x0f, 0x54, 0x88, 0x79, 0x44 },
+{ 0x67, 0x53, 0xc9, 0x0c, 0xb7, 0xd8, 0xcd, 0xe5, 0x06, 0xa0, 0x47, 0x78, 0x1a, 0xad, 0x85, 0x11 },
+{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 },
+{ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46 },
+{ 0x1a, 0x91, 0xe1, 0x6f, 0x62, 0xb4, 0xa7, 0xd4, 0x39, 0x54, 0xd6, 0x53, 0x85, 0x95, 0xf7, 0x5e },
+{ 0x00, 0xc8, 0x2b, 0xae, 0x95, 0xbb, 0xcd, 0xe5, 0x27, 0x4f, 0x07, 0x69, 0xb2, 0x60, 0xe1, 0x36 },
+},
+
+{
+
+{ 0xd8, 0x2a, 0x91, 0x34, 0xb2, 0x6a, 0x56, 0x50, 0x30, 0xfe, 0x69, 0xe2, 0x37, 0x7f, 0x98, 0x47 },
+{ 0x4e, 0xb5, 0x5d, 0x31, 0x05, 0x97, 0x3a, 0x3f, 0x5e, 0x23, 0xda, 0xfb, 0x5a, 0x45, 0xd6, 0xc0 },
+{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00 },
+{ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46 },
+{ 0x18, 0xc9, 0x1f, 0x6d, 0x60, 0x1a, 0x1a, 0x37, 0x5d, 0x0b, 0x0e, 0xf7, 0x3a, 0xd5, 0x74, 0xc4 },
+{ 0x76, 0x32, 0x21, 0x83, 0xed, 0x8f, 0xf1, 0x82, 0xf9, 0x59, 0x62, 0x03, 0x69, 0x0e, 0x5e, 0x01 },
+
+}
+};
+
+  int idx, err, x;
+  symmetric_LRW lrw;
+  unsigned char buf[2][16];
+
+  idx = find_cipher("aes");
+  if (idx == -1) {
+     idx = find_cipher("rijndael");
+     if (idx == -1) {
+        return CRYPT_NOP;
+     }
+  }
+
+  for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
+     /* schedule it */
+     if ((err = lrw_start(idx, tests[x].IV, tests[x].key, 16, tests[x].tweak, 0, &lrw)) != CRYPT_OK) {
+        return err;
+     }
+
+     /* check pad against expected tweak */
+     if (XMEMCMP(tests[x].expected_tweak, lrw.pad, 16)) {
+        lrw_done(&lrw);
+        return CRYPT_FAIL_TESTVECTOR;
+     }
+
+     /* process block */
+     if ((err = lrw_encrypt(tests[x].P, buf[0], 16, &lrw)) != CRYPT_OK) {
+        lrw_done(&lrw);
+        return err;
+     }
+
+     if (XMEMCMP(buf[0], tests[x].C, 16)) {
+        lrw_done(&lrw);
+        return CRYPT_FAIL_TESTVECTOR;
+     }
+
+     /* process block */
+     if ((err = lrw_setiv(tests[x].IV, 16, &lrw)) != CRYPT_OK) { 
+        lrw_done(&lrw);
+        return err;
+     }
+
+     if ((err = lrw_decrypt(buf[0], buf[1], 16, &lrw)) != CRYPT_OK) {
+        lrw_done(&lrw);
+        return err;
+     }
+
+     if (XMEMCMP(buf[1], tests[x].P, 16)) {
+        lrw_done(&lrw);
+        return CRYPT_FAIL_TESTVECTOR;
+     }
+     if ((err = lrw_done(&lrw)) != CRYPT_OK) {
+        return err;
+     }
+   }
+   return CRYPT_OK;
+#endif
+}
+
+#endif
+
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_test.c,v $ */
+/* $Revision: 1.11 $ */
+/* $Date: 2006/06/29 01:53:13 $ */
diff --git a/libtomcrypt/src/modes/ofb/ofb_decrypt.c b/libtomcrypt/src/modes/ofb/ofb_decrypt.c
index cf5f19d..1ada1ed 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
   OFB implementation, decrypt data, Tom St Denis
 */
 
-#ifdef OFB
+#ifdef LTC_OFB_MODE
 
 /**
    OFB decrypt
@@ -39,5 +39,5 @@ 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: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/06/29 01:51:34 $ */
diff --git a/libtomcrypt/src/modes/ofb/ofb_done.c b/libtomcrypt/src/modes/ofb/ofb_done.c
index 5e114f4..50a9de2 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
    OFB implementation, finish chain, Tom St Denis
 */
 
-#ifdef OFB
+#ifdef LTC_OFB_MODE
 
 /** Terminate the chain
   @param ofb    The OFB chain to terminate
@@ -38,5 +38,5 @@ int ofb_done(symmetric_OFB *ofb)
 #endif
 
 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ofb/ofb_done.c,v $ */
-/* $Revision: 1.4 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/06/29 01:51:34 $ */
diff --git a/libtomcrypt/src/modes/ofb/ofb_encrypt.c b/libtomcrypt/src/modes/ofb/ofb_encrypt.c
index d66979a..2c19f1d 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
   OFB implementation, encrypt data, Tom St Denis
 */
 
-#ifdef OFB
+#ifdef LTC_OFB_MODE
 
 /**
   OFB encrypt
@@ -43,10 +43,12 @@ int ofb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, s
    
    while (len-- > 0) {
        if (ofb->padlen == ofb->blocklen) {
-          cipher_descriptor[ofb->cipher].ecb_encrypt(ofb->IV, ofb->IV, &ofb->key);
+          if ((err = cipher_descriptor[ofb->cipher].ecb_encrypt(ofb->IV, ofb->IV, &ofb->key)) != CRYPT_OK) {
+             return err;
+          }
           ofb->padlen = 0;
        }
-       *ct++ = *pt++ ^ ofb->IV[ofb->padlen++];
+       *ct++ = *pt++ ^ ofb->IV[(ofb->padlen)++];
    }
    return CRYPT_OK;
 }
@@ -54,5 +56,5 @@ 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: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.7 $ */
+/* $Date: 2006/11/26 01:45:14 $ */
diff --git a/libtomcrypt/src/modes/ofb/ofb_getiv.c b/libtomcrypt/src/modes/ofb/ofb_getiv.c
index f945fff..641d14b 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
    OFB implementation, get IV, Tom St Denis
 */
 
-#ifdef OFB
+#ifdef LTC_OFB_MODE
 
 /**
    Get the current initial vector
@@ -30,6 +30,7 @@ int ofb_getiv(unsigned char *IV, unsigned long *len, symmetric_OFB *ofb)
    LTC_ARGCHK(len != NULL);
    LTC_ARGCHK(ofb != NULL);
    if ((unsigned long)ofb->blocklen > *len) {
+      *len = ofb->blocklen;
       return CRYPT_BUFFER_OVERFLOW;
    }
    XMEMCPY(IV, ofb->IV, ofb->blocklen);
@@ -41,5 +42,5 @@ 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: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/06/29 01:51:34 $ */
diff --git a/libtomcrypt/src/modes/ofb/ofb_setiv.c b/libtomcrypt/src/modes/ofb/ofb_setiv.c
index f678601..35a84e9 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -15,7 +15,7 @@
    OFB implementation, set IV, Tom St Denis
 */
 
-#ifdef OFB
+#ifdef LTC_OFB_MODE
 
 /**
    Set an initial vector
@@ -41,13 +41,12 @@ int ofb_setiv(const unsigned char *IV, unsigned long len, symmetric_OFB *ofb)
 
    /* force next block */
    ofb->padlen = 0;
-   cipher_descriptor[ofb->cipher].ecb_encrypt(IV, ofb->IV, &ofb->key);
-   return CRYPT_OK;
+   return cipher_descriptor[ofb->cipher].ecb_encrypt(IV, ofb->IV, &ofb->key);
 }
 
 #endif 
 
 
 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ofb/ofb_setiv.c,v $ */
-/* $Revision: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/06/29 01:51:34 $ */
diff --git a/libtomcrypt/src/modes/ofb/ofb_start.c b/libtomcrypt/src/modes/ofb/ofb_start.c
index 083e381..1f0f65a 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.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 #include "tomcrypt.h"
 
@@ -16,7 +16,7 @@
 */
 
 
-#ifdef OFB
+#ifdef LTC_OFB_MODE
 
 /**
    Initialize a OFB context
@@ -56,5 +56,5 @@ 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: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/06/29 01:51:34 $ */