4 files changed, 212 insertions, 0 deletions
diff --git a/libtomcrypt/src/modes/ecb/ecb_decrypt.c b/libtomcrypt/src/modes/ecb/ecb_decrypt.c
new file mode 100644
index 0000000..c16fce0
--- /dev/null
+++ b/libtomcrypt/src/modes/ecb/ecb_decrypt.c
@@ -0,0 +1,61 @@
+/* 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 ecb_decrypt.c
+  ECB implementation, decrypt a block, Tom St Denis
+*/
+
+#ifdef LTC_ECB_MODE
+
+/**
+  ECB decrypt
+  @param ct     Ciphertext
+  @param pt     [out] Plaintext
+  @param len    The number of octets to process (must be multiple of the cipher block size)
+  @param ecb    ECB state
+  @return CRYPT_OK if successful
+*/
+int ecb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_ECB *ecb)
+{
+   int err;
+   LTC_ARGCHK(pt != NULL);
+   LTC_ARGCHK(ct != NULL);
+   LTC_ARGCHK(ecb != NULL);
+   if ((err = cipher_is_valid(ecb->cipher)) != CRYPT_OK) {
+       return err;
+   }
+   if (len % cipher_descriptor[ecb->cipher].block_length) {
+      return CRYPT_INVALID_ARG;
+   }
+
+   /* check for accel */
+   if (cipher_descriptor[ecb->cipher].accel_ecb_decrypt != NULL) {
+      return cipher_descriptor[ecb->cipher].accel_ecb_decrypt(ct, pt, len / cipher_descriptor[ecb->cipher].block_length, &ecb->key);
+   } else {
+      while (len) {
+         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;
+      }
+   }
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/ecb/ecb_decrypt.c,v $ */
+/* $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
new file mode 100644
index 0000000..2af3a83
--- /dev/null
+++ b/libtomcrypt/src/modes/ecb/ecb_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 ecb_done.c
+   ECB implementation, finish chain, Tom St Denis
+*/
+
+#ifdef LTC_ECB_MODE
+
+/** Terminate the chain
+  @param ecb    The ECB chain to terminate
+  @return CRYPT_OK on success
+*/
+int ecb_done(symmetric_ECB *ecb)
+{
+   int err;
+   LTC_ARGCHK(ecb != NULL);
+
+   if ((err = cipher_is_valid(ecb->cipher)) != CRYPT_OK) {
+      return err;
+   }
+   cipher_descriptor[ecb->cipher].done(&ecb->key);
+   return CRYPT_OK;
+}
+
+   
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/ecb/ecb_done.c,v $ */
+/* $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
new file mode 100644
index 0000000..f6910c6
--- /dev/null
+++ b/libtomcrypt/src/modes/ecb/ecb_encrypt.c
@@ -0,0 +1,61 @@
+/* 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 ecb_encrypt.c
+  ECB implementation, encrypt a block, Tom St Denis
+*/
+
+#ifdef LTC_ECB_MODE
+
+/**
+  ECB encrypt
+  @param pt     Plaintext
+  @param ct     [out] Ciphertext
+  @param len    The number of octets to process (must be multiple of the cipher block size)
+  @param ecb    ECB state
+  @return CRYPT_OK if successful
+*/
+int ecb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_ECB *ecb)
+{
+   int err;
+   LTC_ARGCHK(pt != NULL);
+   LTC_ARGCHK(ct != NULL);
+   LTC_ARGCHK(ecb != NULL);
+   if ((err = cipher_is_valid(ecb->cipher)) != CRYPT_OK) {
+       return err;
+   }
+   if (len % cipher_descriptor[ecb->cipher].block_length) {
+      return CRYPT_INVALID_ARG;
+   }
+
+   /* check for accel */
+   if (cipher_descriptor[ecb->cipher].accel_ecb_encrypt != NULL) {
+      return cipher_descriptor[ecb->cipher].accel_ecb_encrypt(pt, ct, len / cipher_descriptor[ecb->cipher].block_length, &ecb->key);
+   } else {
+      while (len) {
+         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;
+      }
+   }
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/ecb/ecb_encrypt.c,v $ */
+/* $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
new file mode 100644
index 0000000..cc84579
--- /dev/null
+++ b/libtomcrypt/src/modes/ecb/ecb_start.c
@@ -0,0 +1,48 @@
+/* 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 ecb_start.c
+   ECB implementation, start chain, Tom St Denis
+*/
+
+
+#ifdef LTC_ECB_MODE
+
+/**
+   Initialize a ECB context
+   @param cipher      The index of the cipher desired
+   @param key         The secret key 
+   @param keylen      The length of the secret key (octets)
+   @param num_rounds  Number of rounds in the cipher desired (0 for default)
+   @param ecb         The ECB state to initialize
+   @return CRYPT_OK if successful
+*/
+int ecb_start(int cipher, const unsigned char *key, int keylen, int num_rounds, symmetric_ECB *ecb)
+{
+   int err;
+   LTC_ARGCHK(key != NULL);
+   LTC_ARGCHK(ecb != NULL);
+
+   if ((err = cipher_is_valid(cipher)) != CRYPT_OK) {
+      return err;
+   }
+   ecb->cipher = cipher;
+   ecb->blocklen = cipher_descriptor[cipher].block_length;
+   return cipher_descriptor[cipher].setup(key, keylen, num_rounds, &ecb->key);
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/modes/ecb/ecb_start.c,v $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/06/29 01:51:34 $ */