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import libemcoredata
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import libemcoredata
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def s5l8701cryptdfu(data):
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def s5l8701cryptdfu(data):
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    data = data.ljust((len(data) + 0x3f) & ~0x3f, "\0")
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    data = data.ljust((len(data) + 0x3f) & ~0x3f, "\0")
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    header = "87011.0\0\0\0x8\0\0" + struct.pack("<I", len(data))
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    header = "87011.0\0\0\x08\0\0" + struct.pack("<I", len(data))
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    emcore = libemcore.Emcore()
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    emcore = libemcore.Emcore()
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    addr = emcore.memalign(0x10, len(data) + 0x800)
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    addr = emcore.memalign(0x10, len(data) + 0x800)
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    emcore.write(addr, header.ljust(0x800, "\0") + data)
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    emcore.write(addr, header.ljust(0x800, "\0") + data)
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    emcore.hmac_sha1(addr + 0x800, len(data), addr + 0x10)
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    emcore.hmac_sha1(addr + 0x800, len(data), addr + 0x10)
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    emcore.hmac_sha1(addr, 0x40, addr + 0x40)
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    emcore.hmac_sha1(addr, 0x40, addr + 0x40)