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Rev 279 Rev 359
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#
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#
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#
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#
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import sys
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import sys
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import os
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import struct
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import struct
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import time
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import time
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import hashlib
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import hashlib
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import libembios
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import libembios
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from libembios import Error
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from libembios import Error
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    embios.lib.dev.timeout = 20000
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    embios.lib.dev.timeout = 20000
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    embios.aesdecrypt(0x08000000, len(data) - 0x800, 1)
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    embios.aesdecrypt(0x08000000, len(data) - 0x800, 1)
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    return embios.read(0x08000000, len(data) - 0x800)
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    return embios.read(0x08000000, len(data) - 0x800)
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def s5l8702genpwnage(data):
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    cert = open(os.path.dirname(__file__) + "/libipodcrypto/s5l8702pwnage.cer", "rb").read()
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    data = data.ljust(max(0x840, (len(data) + 0xf) & ~0xf), "\0")
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    header = ("87021.0\x03\0\0\0\0" + struct.pack("<IIII", len(data) - 0x830, len(data) - 0x4f6, len(data) - 0x7b0, 0x2ba)).ljust(0x40, "\0")
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    embios = libembios.Embios()
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    embios.write(0x08000000, header + hashlib.sha1(header).digest()[:0x10])
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    embios.lib.dev.timeout = 5000
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    embios.aesencrypt(0x08000040, 0x10, 1)
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    return embios.read(0x08000000, 0x50) + data + cert.ljust((len(cert) + 0xf) & ~0xf, "\0")
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def s5l8701cryptdfufile(infile, outfile):
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def s5l8701cryptdfufile(infile, outfile):
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    infile = open(infile, "rb")
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    infile = open(infile, "rb")
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    outfile = open(outfile, "wb")
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    outfile = open(outfile, "wb")
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    outfile.write(s5l8701cryptdfu(infile.read()))
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    outfile.write(s5l8701cryptdfu(infile.read()))
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    infile.close()
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    infile.close()
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    infile = open(infile, "rb")
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    infile = open(infile, "rb")
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    outfile = open(outfile, "wb")
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    outfile = open(outfile, "wb")
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    outfile.write(s5l8702decryptnor(infile.read()))
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    outfile.write(s5l8702decryptnor(infile.read()))
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    infile.close()
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    infile.close()
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    outfile.close()
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    outfile.close()
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def s5l8702genpwnagefile(infile, outfile):
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    infile = open(infile, "rb")
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    outfile = open(outfile, "wb")
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    outfile.write(s5l8702genpwnage(infile.read()))
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    infile.close()
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    outfile.close()