From a424d17fa7a6fcfd90e4f6bd5a0d15d98440a59f Mon Sep 17 00:00:00 2001
From: Jeff Connelly <shellreef+git@gmail.com>
Date: Wed, 14 May 2008 22:27:58 -0700
Subject: [PATCH] Initial commit - libotp with PAD and PACKAGE structures.

---
 .gitignore |   1 +
 Makefile   |   8 +++++
 libotp     | Bin 0 -> 13204 bytes
 libotp.c   | 102 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 111 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Makefile
 create mode 100755 libotp
 create mode 100644 libotp.c

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..cb77d18
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.dSYM
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..19a58cf
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,8 @@
+CC=gcc
+CFLAGS=-g -Wall -pedantic
+LDFLAGS=-g
+
+libotp: libotp.c
+
+.c:
+	$(CC) $(CFLAGS) $@.c $(LDFLAGS) -o $@
diff --git a/libotp b/libotp
new file mode 100755
index 0000000000000000000000000000000000000000..5dd04afb62d957f5e1e38dc87e9e16cb2a144fd0
GIT binary patch
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diff --git a/libotp.c b/libotp.c
new file mode 100644
index 0000000..d278c48
--- /dev/null
+++ b/libotp.c
@@ -0,0 +1,102 @@
+/** Practical One-time Pad Library
+ *
+ * Created:20080514
+ * By Jeff Connelly
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sysexits.h>
+#include <string.h>
+
+#define MARKER_TO "to:"
+#define MARKER_BEGIN "--EMOTP_BEGIN--"
+#define MARKER_END "--EMOTP_END--"
+
+/** Packaged up encrypted message, ready for transport. */
+typedef struct _PACKAGE
+{
+    unsigned long offset;
+    char *pad_name;
+    char *cipher_text;
+} PACKAGE;
+
+typedef struct _PAD
+{
+    char *local_filename;
+    char *name;
+    unsigned long offset;
+    FILE *fp;
+    struct _PAD *next;
+} PAD;
+
+PAD *pads = NULL;
+
+void add_pad(PAD *new_pad)
+{
+    if (!pads)
+    {
+        pads = new_pad;
+    }
+    else
+    {
+        PAD *p, *tail;
+
+        /* Find tail */
+        for (p = pads; p; p = p->next)
+            tail = p;
+        tail->next = new_pad;
+    }
+}
+
+void show_pads()
+{
+    PAD *p;
+
+    printf("h=%.8x\n", (unsigned int)pads);
+    for (p = pads; p; p = p->next)
+    {
+        printf("Pad: %s: %s (next=%.8x)\n", p->name, p->local_filename,
+                (unsigned int)p->next);
+    }
+}
+
+void load_pad(char *local_filename)
+{
+    FILE *fp;
+    PAD *new_pad;
+
+    fp = fopen("/Volumes/Not Backed Up/otp/otp-dazzlement", "rb");
+    if (!fp)
+    {
+        perror("fopen");
+        exit(EXIT_FAILURE);
+    }
+
+    new_pad = malloc(sizeof(PAD));
+    if (!new_pad)
+    {
+        perror("malloc");
+        exit(EX_UNAVAILABLE);
+    }
+
+    new_pad->local_filename = strdup(local_filename);
+    new_pad->name = NULL;
+    /* TODO: new_pad->offset = */
+    new_pad->fp = fp;
+    new_pad->next = NULL;
+
+    add_pad(new_pad);
+    add_pad(new_pad);
+
+    free(new_pad);
+}
+
+int main()
+{
+    load_pad("/Volumes/Not Backed Up/otp/otp-dazzlement");
+    show_pads();
+
+    return 0;
+}
+
-- 
2.11.4.GIT