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diff --git a/libtomcrypt/src/modes/ecb/ecb_start.c b/libtomcrypt/src/modes/ecb/ecb_start.c
new file mode 100644
index 0000000..ecd301b
--- /dev/null
+++ b/libtomcrypt/src/modes/ecb/ecb_start.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.
+ */
+#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
+
+/* ref:         $Format:%D$ */
+/* git commit:  $Format:%H$ */
+/* commit time: $Format:%ai$ */