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ref10: tweak things

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cathugger 2019-01-19 14:39:33 +00:00
parent 9139d302fb
commit ffb8498905
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GPG key ID: 9BADDA2DAF6F01A8
4 changed files with 8 additions and 6 deletions
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2
ed25519/ref10/fe.h
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@ -53,7 +53,7 @@ extern void fe_sq(fe,const fe);
extern void fe_sq2(fe,const fe); extern void fe_sq2(fe,const fe);
extern void fe_mul121666(fe,const fe); extern void fe_mul121666(fe,const fe);
extern void fe_invert(fe,const fe); extern void fe_invert(fe,const fe);
extern void fe_batchinvert(fe out[],fe tmp[],const fe in[], size_t num); extern void fe_batchinvert(fe *out[],fe tmp[],const fe *in[], size_t num);
extern void fe_pow22523(fe,const fe); extern void fe_pow22523(fe,const fe);
#endif #endif

8
ed25519/ref10/fe_batchinvert.c
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@ -2,7 +2,7 @@
// tmp MUST != out // tmp MUST != out
// in MAY == out // in MAY == out
void fe_batchinvert(fe out[],fe tmp[],const fe in[], size_t num) void fe_batchinvert(fe *out[],fe tmp[],const fe *in[], size_t num)
{ {
fe acc; fe acc;
fe tmpacc; fe tmpacc;
@ -12,15 +12,15 @@ void fe_batchinvert(fe out[],fe tmp[],const fe in[], size_t num)
for (i = 0;i < num;++i) { for (i = 0;i < num;++i) {
fe_copy(tmp[i],acc); fe_copy(tmp[i],acc);
fe_mul(acc,acc,in[i]); fe_mul(acc,acc,*in[i]);
} }
fe_invert(acc,acc); fe_invert(acc,acc);
i = num; i = num;
while (i--) { while (i--) {
fe_mul(tmpacc,acc,in[i]); fe_mul(tmpacc,acc,*in[i]);
fe_mul(out[i],acc,tmp[i]); fe_mul(*out[i],acc,tmp[i]);
fe_copy(acc,tmpacc); fe_copy(acc,tmpacc);
} }
} }

2
ed25519/ref10/ge.h
View file

@ -50,6 +50,8 @@ typedef struct {
fe T2d; fe T2d;
} ge_cached; } ge_cached;
typedef unsigned char bytes32[32];
#define ge_frombytes_negate_vartime crypto_sign_ed25519_ref10_ge_frombytes_negate_vartime #define ge_frombytes_negate_vartime crypto_sign_ed25519_ref10_ge_frombytes_negate_vartime
#define ge_tobytes crypto_sign_ed25519_ref10_ge_tobytes #define ge_tobytes crypto_sign_ed25519_ref10_ge_tobytes
#define ge_p3_tobytes crypto_sign_ed25519_ref10_ge_p3_tobytes #define ge_p3_tobytes crypto_sign_ed25519_ref10_ge_p3_tobytes

2
ed25519/ref10/ge_p3_tobytes.c
View file

@ -1,6 +1,6 @@
#include "ge.h" #include "ge.h"
void ge_p3_tobytes(unsigned char *s,const ge_p3 *h) void ge_p3_tobytes(bytes32 s,const ge_p3 *h)
{ {
fe recip; fe recip;
fe x; fe x;