init:初始框架

2026-06-06 20:50:54 +08:00
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+#   Copyright (C) 2024 Texas Instruments Incorporated - http://www.ti.com/
+#
+#   Redistribution and use in source and binary forms, with or without
+#   modification, are permitted provided that the following conditions
+#   are met:
+#
+#    Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+#    Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the
+#    distribution.
+#
+#    Neither the name of Texas Instruments Incorporated nor the names of
+#    its contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+#   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+#   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+#   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+#   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+#   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+#   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+#   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import click
+import string
+from encryptImage import Encryptor
+
+@click.command()
+@click.option('-f','--binfile',help="input binary file")
+@click.option('-o','--outfile', default="image.txt", help="output file")
+@click.option('--encrypt/--no-encrypt', default=False)
+@click.option('-c','--cipherfile', default="image_encrypted.txt", help="ciphertext output file")
+@click.option('-s','--startaddr',help="start Address")
+def bin_to_titxt_encrypt(binfile, outfile, encrypt, cipherfile, startaddr): 
+    print("converting {} to {}".format(binfile, outfile))
+    f = open(binfile,'rb')
+    o = open(outfile, 'w')
+
+    if encrypt: 
+        c = open('ctxt_temp.txt', 'w')
+        cipher = Encryptor(cipherfile)
+
+    o.write("@{}\n".format(startaddr))
+
+    if encrypt: 
+        c.write("@{}\n".format(startaddr))
+    
+    x = f.read(1)
+    i = 0
+    len = 0
+    while x:
+        len += 1 
+        a = int.from_bytes(x, "little")
+        o.write("{:02x}".format(a).upper())
+        
+        if encrypt: 
+            y = cipher.encrypt(x)
+            b = int.from_bytes(y, "little")
+            c.write("{:02x}".format(b).upper())
+
+        
+        if i < 15: 
+            space_char = " "
+        else :
+            space_char = "\n"
+        
+        o.write(space_char)
+        if encrypt: 
+            c.write(space_char)
+
+        i = (i + 1) % 16
+        x = f.read(1)
+
+    # if not a full aligned row, change the data length
+    if (i != 0): 
+        o.write("\n")
+        if encrypt:
+            while i < 15: 
+                c.write("00 ")
+                i += 1
+            c.write("00\n")
+
+    o.write('q')
+
+    if encrypt: 
+        c.write('q')
+        c.close()
+
+        cipher.set_image_length(len)
+        print("Generating Encrypted Image: {}.".format(cipherfile))
+        cipher.generate_header()
+
+        # create one file, the cipherfile by appending temporary ciphertext 
+        c1 = open(cipherfile, 'a+')
+        c2 = open('ctxt_temp.txt', 'r')
+
+        c1.write(c2.read())
+        c1.close()
+        c2.close()
+
+    f.close()
+    o.close()
+
+
+
+if __name__ == "__main__":
+    bin_to_titxt_encrypt()