asserts
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@ -26,14 +26,22 @@ VALUE_SIZE = 4
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The rotations are tested agains a c implementation and are still garbage. FIXME
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"""
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def rotl(value: int, count: int) -> int:
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# FIXME
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mask: int = CHAR_BIT * VALUE_SIZE - 1;
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print("mask length: %d" % mask.bit_length())
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count = count & mask
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return (value << count) | (value >> (-count & mask));
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result = (value << count) | (value >> (-count & mask));
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assert result.bit_length() <= 32, "python made the numbers too big: %d bit" % result.bit_length()
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return result
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def rotr(value: int, count: int) -> int:
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# FIXME
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mask: int = CHAR_BIT * VALUE_SIZE - 1;
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print("mask length: %d" % mask.bit_length())
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count = count & mask
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return (value >> count) | (value << (-count & mask));
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result = (value >> count) | (value << (-count & mask));
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assert result.bit_length() <= 32, "python made the numbers too big: %d bit" % result.bit_length()
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return result
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"""
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Now for the actual implementation of authur1
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