13 lines
No EOL
289 B
Text
13 lines
No EOL
289 B
Text
#pragma curve bn128
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import "EMBED/unpack" as unpack
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// Unpack a field element as 128 big-endian bits
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// Precondition: the input is smaller or equal to `2**128 - 1`
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def main(field i) -> bool[128]:
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bool[254] b = unpack(i)
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assert(b[0..126] == [false; 126])
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return b[126..254] |