11 lines
312 B
Plaintext
11 lines
312 B
Plaintext
|
#pragma curve bn128
|
||
|
|
|
||
|
|
import "./pack" as pack;
|
||
|
|
|
||
|
|
// pack 256 big-endian bits into one field element
|
||
|
|
// Note: This is not a injective operation as `p` is smaller than `2**256 - 1` for bn128
|
||
|
|
// For example, `[0, 0,..., 0]` and `bits(p)` both point to `0`
|
||
|
|
def main(bool[256] bits) -> field {
|
||
|
|
return pack(bits);
|
||
|
|
}
|