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14 lines
228 B
C
14 lines
228 B
C
#include "ge.h"
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void ge_p3_tobytes(unsigned char *s,const ge_p3 *h)
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{
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fe recip;
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fe x;
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fe y;
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fe_invert(recip,h->Z);
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fe_mul(x,h->X,recip);
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fe_mul(y,h->Y,recip);
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fe_tobytes(s,y);
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s[31] ^= fe_isnegative(x) << 7;
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}
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