mirror of
https://github.com/cathugger/mkp224o.git
synced 2025-01-09 11:07:19 -03:00
dont do indirection in for batch stuff
This commit is contained in:
cathugger
parent
5b5f414b79
commit
51d87c3857
19 changed files with 86 additions and 71 deletions
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@ -22,9 +22,9 @@
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#define fe25519_invert crypto_sign_ed25519_amd64_51_30k_batch_fe25519_invert
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#define fe25519_pow2523 crypto_sign_ed25519_amd64_51_30k_batch_fe25519_pow2523
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typedef struct
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typedef struct
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{
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unsigned long long v[5];
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unsigned long long v[5];
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}
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fe25519;
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@ -62,7 +62,7 @@ void fe25519_nsquare(fe25519 *r, unsigned long long n);
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void fe25519_invert(fe25519 *r, const fe25519 *x);
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void fe25519_batchinvert(fe25519 *out[],fe25519 tmp[],fe25519 * const in[], size_t num);
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void fe25519_batchinvert(fe25519 *out, const fe25519 *in, fe25519 *tmp, size_t num, size_t offset);
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void fe25519_pow2523(fe25519 *r, const fe25519 *x);
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@ -1,26 +1,34 @@
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#include "fe25519.h"
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// tmp MUST != out
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// tmp MUST != out or in
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// in MAY == out
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void fe25519_batchinvert(fe25519 *out[],fe25519 tmp[],fe25519 * const in[], size_t num)
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void fe25519_batchinvert(fe25519 *out, const fe25519 *in, fe25519 *tmp, size_t num, size_t offset)
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{
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fe25519 acc;
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fe25519 tmpacc;
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size_t i;
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const fe25519 *inp;
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fe25519 *outp;
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fe25519_setint(&acc,1);
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inp = in;
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for (i = 0;i < num;++i) {
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tmp[i] = acc;
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fe25519_mul(&acc,&acc,in[i]);
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fe25519_mul(&acc,&acc,inp);
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inp = (const fe25519 *)((const char *)inp + offset);
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}
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fe25519_invert(&acc,&acc);
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i = num;
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inp = (const fe25519 *)((const char *)in + offset * num);
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outp = (fe25519 *)((char *)out + offset * num);
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while (i--) {
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fe25519_mul(&tmpacc,&acc,in[i]);
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fe25519_mul(out[i],&acc,&tmp[i]);
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inp = (const fe25519 *)((const char *)inp - offset);
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outp = (fe25519 *)((char *)outp - offset);
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fe25519_mul(&tmpacc,&acc,inp);
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fe25519_mul(outp,&acc,&tmp[i]);
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acc = tmpacc;
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}
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}
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@ -92,7 +92,7 @@ extern int ge25519_unpackneg_vartime(ge25519 *r, const unsigned char p[32]);
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extern void ge25519_pack(unsigned char r[32], const ge25519 *p);
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extern void ge25519_batchpack_destructive_1(bytes32 out[], ge25519_p3 in[], fe25519 *inz[], fe25519 tmp[], size_t num);
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extern void ge25519_batchpack_destructive_1(bytes32 *out, ge25519_p3 *in, fe25519 *tmp, size_t num);
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extern void ge25519_batchpack_destructive_finish(bytes32 out, ge25519_p3 *unf);
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extern int ge25519_isneutral_vartime(const ge25519 *p);
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@ -1,13 +1,12 @@
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#include "fe25519.h"
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#include "ge25519.h"
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// assumes inz[] points to things in in[]
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// NOTE: leaves in unfinished state
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void ge25519_batchpack_destructive_1(bytes32 out[], ge25519_p3 in[], fe25519 *inz[], fe25519 tmp[], size_t num)
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void ge25519_batchpack_destructive_1(bytes32 *out, ge25519_p3 *in, fe25519 *tmp, size_t num)
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{
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fe25519 ty;
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fe25519_batchinvert(inz, tmp, inz, num);
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fe25519_batchinvert(&in->z, &in->z, tmp, num, sizeof(ge25519_p3));
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for (size_t i = 0; i < num; ++i) {
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fe25519_mul(&ty, &in[i].y, &in[i].z);
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@ -22,9 +22,9 @@
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#define fe25519_batchinvert crypto_sign_ed25519_amd64_64_fe25519_batchinvert
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#define fe25519_pow2523 crypto_sign_ed25519_amd64_64_fe25519_pow2523
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typedef struct
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typedef struct
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{
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unsigned long long v[4];
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unsigned long long v[4];
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}
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fe25519;
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@ -62,7 +62,7 @@ void fe25519_pow(fe25519 *r, const fe25519 *x, const unsigned char *e);
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void fe25519_invert(fe25519 *r, const fe25519 *x);
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void fe25519_batchinvert(fe25519 *out[],fe25519 tmp[],fe25519 * const in[], size_t num);
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void fe25519_batchinvert(fe25519 *out, const fe25519 *in, fe25519 *tmp, size_t num, size_t offset);
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void fe25519_pow2523(fe25519 *r, const fe25519 *x);
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@ -1,26 +1,34 @@
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#include "fe25519.h"
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// tmp MUST != out
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// tmp MUST != out or in
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// in MAY == out
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void fe25519_batchinvert(fe25519 *out[],fe25519 tmp[],fe25519 * const in[], size_t num)
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void fe25519_batchinvert(fe25519 *out, const fe25519 *in, fe25519 *tmp, size_t num, size_t offset)
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{
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fe25519 acc;
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fe25519 tmpacc;
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size_t i;
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const fe25519 *inp;
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fe25519 *outp;
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fe25519_setint(&acc,1);
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inp = in;
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for (i = 0;i < num;++i) {
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tmp[i] = acc;
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fe25519_mul(&acc,&acc,in[i]);
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fe25519_mul(&acc,&acc,inp);
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inp = (const fe25519 *)((const char *)inp + offset);
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}
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fe25519_invert(&acc,&acc);
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i = num;
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inp = (const fe25519 *)((const char *)in + offset * num);
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outp = (fe25519 *)((char *)out + offset * num);
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while (i--) {
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fe25519_mul(&tmpacc,&acc,in[i]);
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fe25519_mul(out[i],&acc,&tmp[i]);
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inp = (const fe25519 *)((const char *)inp - offset);
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outp = (fe25519 *)((char *)outp - offset);
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fe25519_mul(&tmpacc,&acc,inp);
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fe25519_mul(outp,&acc,&tmp[i]);
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acc = tmpacc;
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}
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}
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@ -81,7 +81,7 @@ extern int ge25519_unpackneg_vartime(ge25519 *r, const unsigned char p[32]);
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extern void ge25519_pack(unsigned char r[32], const ge25519 *p);
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extern void ge25519_batchpack_destructive_1(bytes32 out[], ge25519_p3 in[], fe25519 *inz[], fe25519 tmp[], size_t num);
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extern void ge25519_batchpack_destructive_1(bytes32 *out, ge25519_p3 *in, fe25519 *tmp, size_t num);
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extern void ge25519_batchpack_destructive_finish(bytes32 out, ge25519_p3 *unf);
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extern int ge25519_isneutral_vartime(const ge25519 *p);
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@ -1,13 +1,12 @@
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#include "fe25519.h"
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#include "ge25519.h"
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// assumes inz[] points to things in in[]
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// NOTE: leaves in unfinished state
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void ge25519_batchpack_destructive_1(bytes32 out[], ge25519_p3 in[], fe25519 *inz[], fe25519 tmp[], size_t num)
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void ge25519_batchpack_destructive_1(bytes32 *out, ge25519_p3 *in, fe25519 *tmp, size_t num)
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{
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fe25519 ty;
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fe25519_batchinvert(inz, tmp, inz, num);
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fe25519_batchinvert(&in->z, &in->z, tmp, num, sizeof(ge25519_p3));
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for (size_t i = 0; i < num; ++i) {
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fe25519_mul(&ty, &in[i].y, &in[i].z);
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@ -67,23 +67,31 @@ curve25519_setone(bignum25519 out) {
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* if that's the case then we're doing batch invert there
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*/
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static void
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curve25519_batchrecip(bignum25519 *out[], bignum25519 tmp[], bignum25519 * const in[], size_t num) {
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bignum25519 ALIGN(16) acc, tmpacc;
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curve25519_batchrecip(bignum25519 *out, const bignum25519 *in, bignum25519 *tmp, size_t num, size_t offset) {
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bignum25519 ALIGN(16) acc,tmpacc;
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size_t i;
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const bignum25519 *inp;
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bignum25519 *outp;
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curve25519_setone(acc);
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inp = in;
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for (i = 0; i < num; ++i) {
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curve25519_copy(tmp[i], acc);
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curve25519_mul(acc, acc, *in[i]);
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curve25519_mul(acc, acc, *inp);
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inp = (const bignum25519 *)((const char *)inp + offset);
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}
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curve25519_recip(acc, acc);
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i = num;
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inp = (const bignum25519 *)((const char *)in + offset * num);
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outp = (bignum25519 *)((char *)out + offset * num);
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while (i--) {
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curve25519_mul(tmpacc, acc, *in[i]);
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curve25519_mul(*out[i], acc, tmp[i]);
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inp = (const bignum25519 *)((const char *)inp - offset);
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outp = (bignum25519 *)((char *)outp - offset);
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curve25519_mul(tmpacc, acc, *inp);
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curve25519_mul(*outp, acc, tmp[i]);
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curve25519_copy(acc, tmpacc);
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}
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}
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@ -8,15 +8,15 @@ DONNA_INLINE static void
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ge25519_p1p1_to_partial(ge25519 *r, const ge25519_p1p1 *p) {
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curve25519_mul(r->x, p->x, p->t);
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curve25519_mul(r->y, p->y, p->z);
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curve25519_mul(r->z, p->z, p->t);
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curve25519_mul(r->z, p->z, p->t);
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}
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DONNA_INLINE static void
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ge25519_p1p1_to_full(ge25519 *r, const ge25519_p1p1 *p) {
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curve25519_mul(r->x, p->x, p->t);
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curve25519_mul(r->y, p->y, p->z);
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curve25519_mul(r->z, p->z, p->t);
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curve25519_mul(r->t, p->x, p->y);
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curve25519_mul(r->z, p->z, p->t);
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curve25519_mul(r->t, p->x, p->y);
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}
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static void
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@ -190,13 +190,12 @@ ge25519_pack(unsigned char r[32], const ge25519 *p) {
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r[31] ^= ((parity[0] & 1) << 7);
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}
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// assumes inz[] points to things in in[]
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// NOTE: leaves in unfinished state
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static void
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ge25519_batchpack_destructive_1(bytes32 out[], ge25519 in[], bignum25519 *inz[], bignum25519 tmp[], size_t num) {
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ge25519_batchpack_destructive_1(bytes32 *out, ge25519 *in, bignum25519 *tmp, size_t num) {
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bignum25519 ty;
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curve25519_batchrecip(inz, tmp, inz, num);
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curve25519_batchrecip(&in->z, &in->z, tmp, num, sizeof(ge25519));
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for (size_t i = 0; i < num; ++i) {
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curve25519_mul(ty, in[i].y, in[i].z);
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@ -276,7 +275,7 @@ ge25519_unpack_negative_vartime(ge25519 *r, const unsigned char p[32]) {
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#define S2_TABLE_SIZE (1<<(S2_SWINDOWSIZE-2))
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/* computes [s1]p1 + [s2]basepoint */
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static void
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static void
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ge25519_double_scalarmult_vartime(ge25519 *r, const ge25519 *p1, const bignum256modm s1, const bignum256modm s2) {
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signed char slide1[256], slide2[256];
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ge25519_pniels pre1[S1_TABLE_SIZE];
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@ -371,7 +370,7 @@ ge25519_scalarmult_base_niels(ge25519 *r, const uint8_t basepoint_table[256][96]
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curve25519_add_reduce(r->y, t.xaddy, t.ysubx);
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memset(r->z, 0, sizeof(bignum25519));
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curve25519_copy(r->t, t.t2d);
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r->z[0] = 2;
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r->z[0] = 2;
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for (i = 3; i < 64; i += 2) {
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ge25519_scalarmult_base_choose_niels(&t, basepoint_table, i / 2, b[i]);
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ge25519_nielsadd2(r, &t);
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@ -14,7 +14,7 @@ ge25519_p1p1_to_partial(ge25519 *r, const ge25519_p1p1 *p) {
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curve25519_untangle64(r->x, r->z, xzout);
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}
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static void
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static void
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ge25519_p1p1_to_full(ge25519 *r, const ge25519_p1p1 *p) {
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packed64bignum25519 ALIGN(16) zy, xt, xx, zz, ty;
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curve25519_tangle64(ty, p->t, p->y);
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@ -222,10 +222,10 @@ ge25519_pack(unsigned char r[32], const ge25519 *p) {
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// assumes inz[] points to things in in[]
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// NOTE: leaves in unfinished state
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static void
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ge25519_batchpack_destructive_1(bytes32 out[], ge25519 in[], bignum25519 *inz[], bignum25519 tmp[], size_t num) {
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ge25519_batchpack_destructive_1(bytes32 *out, ge25519 *in, bignum25519 *tmp, size_t num) {
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bignum25519 ALIGN(16) ty;
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curve25519_batchrecip(inz, tmp, inz, num);
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curve25519_batchrecip(&in->z, &in->z, tmp, num, sizeof(ge25519));
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for (size_t i = 0; i < num; ++i) {
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curve25519_mul(ty, in[i].y, in[i].z);
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@ -395,7 +395,7 @@ ge25519_scalarmult_base_niels(ge25519 *r, const uint8_t table[256][96], const bi
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ge25519_scalarmult_base_choose_niels(&t, table, 0, b[1]);
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curve25519_sub_reduce(r->x, t.xaddy, t.ysubx);
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curve25519_add_reduce(r->y, t.xaddy, t.ysubx);
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memset(r->z, 0, sizeof(bignum25519));
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memset(r->z, 0, sizeof(bignum25519));
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r->z[0] = 2;
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curve25519_copy(r->t, t.t2d);
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for (i = 3; i < 64; i += 2) {
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@ -11,8 +11,6 @@
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#define ed25519_keygen ed25519_ref10_keygen
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#include "ref10/ge.h"
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#define GEZ(x) ((x).Z)
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/* The basepoint multiplied by 8. */
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static const ge_cached ge_eightpoint = {
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/* YplusX */
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@ -80,8 +78,6 @@ inline static void ge_initeightpoint(void) {}
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#define ge_p3_batchtobytes_destructive_1 ge25519_batchpack_destructive_1
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#define ge_p3_batchtobytes_destructive_finish ge25519_batchpack_destructive_finish
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#define GEZ(x) ((x).z)
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#endif
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@ -190,8 +186,6 @@ static int ed25519_keypair(unsigned char *pk,unsigned char *sk)
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#define ge_p3_batchtobytes_destructive_1 ge25519_batchpack_destructive_1
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#define ge_p3_batchtobytes_destructive_finish ge25519_batchpack_destructive_finish
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#define GEZ(x) ((x).z)
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DONNA_INLINE static void ge_add(ge25519_p1p1 *r,const ge25519 *p,const ge25519_pniels *q)
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{
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ge25519_pnielsadd_p1p1(r,p,q,0);
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@ -53,7 +53,7 @@ extern void fe_sq(fe,const fe);
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extern void fe_sq2(fe,const fe);
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extern void fe_mul121666(fe,const fe);
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extern void fe_invert(fe,const fe);
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extern void fe_batchinvert(fe *out[],fe tmp[],fe * const in[], size_t num);
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extern void fe_batchinvert(fe *out,fe *in,fe *tmp,size_t num,size_t shift);
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extern void fe_pow22523(fe,const fe);
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#endif
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@ -1,26 +1,34 @@
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#include "fe.h"
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// tmp MUST != out
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// tmp MUST != out or in
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// in MAY == out
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void fe_batchinvert(fe *out[],fe tmp[],fe * const in[], size_t num)
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void fe_batchinvert(fe *out,fe *in,fe *tmp,size_t num,size_t shift)
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{
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fe acc;
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fe tmpacc;
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size_t i;
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fe *inp;
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fe *outp;
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fe_1(acc);
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inp = in;
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for (i = 0;i < num;++i) {
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fe_copy(tmp[i],acc);
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fe_mul(acc,acc,*in[i]);
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fe_mul(acc,acc,*inp);
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inp = (fe *)((char *)inp + shift);
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}
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fe_invert(acc,acc);
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i = num;
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inp = (fe *)((char *)in + shift * num);
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outp = (fe *)((char *)out + shift * num);
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while (i--) {
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fe_mul(tmpacc,acc,*in[i]);
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fe_mul(*out[i],acc,tmp[i]);
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inp = (fe *)((char *)inp - shift);
|
||||
outp = (fe *)((char *)outp - shift);
|
||||
fe_mul(tmpacc,acc,*inp);
|
||||
fe_mul(*outp,acc,tmp[i]);
|
||||
fe_copy(acc,tmpacc);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -77,7 +77,7 @@ typedef unsigned char bytes32[32];
|
|||
|
||||
extern void ge_tobytes(unsigned char *,const ge_p2 *);
|
||||
extern void ge_p3_tobytes(unsigned char *,const ge_p3 *);
|
||||
extern void ge_p3_batchtobytes_destructive_1(bytes32 out[],ge_p3 in[],fe *inz[],fe tmp[],size_t num);
|
||||
extern void ge_p3_batchtobytes_destructive_1(bytes32 *out,ge_p3 *in,fe *tmp,size_t num);
|
||||
extern void ge_p3_batchtobytes_destructive_finish(bytes32 out,ge_p3 *unf);
|
||||
extern int ge_frombytes_negate_vartime(ge_p3 *,const unsigned char *);
|
||||
|
||||
|
|
|
|||
|
|
@ -2,11 +2,11 @@
|
|||
|
||||
// inz is ge_p3.Z pointer array. contents to .Zs will be overwritten
|
||||
// NOTE: leaves in unfinished state
|
||||
void ge_p3_batchtobytes_destructive_1(bytes32 out[],ge_p3 in[],fe *inz[],fe tmp[],size_t num)
|
||||
void ge_p3_batchtobytes_destructive_1(bytes32 *out,ge_p3 *in,fe *tmp,size_t num)
|
||||
{
|
||||
fe y;
|
||||
|
||||
fe_batchinvert(inz,tmp,inz,num);
|
||||
fe_batchinvert(&in->Z,&in->Z,tmp,num,sizeof(ge_p3));
|
||||
|
||||
for (size_t i = 0;i < num;++i) {
|
||||
fe_mul(y,in[i].Y,in[i].Z);
|
||||
|
|
|
|||
8
main.c
8
main.c
|
|
@ -186,6 +186,8 @@ enum worker_type {
|
|||
WT_BATCH,
|
||||
};
|
||||
|
||||
#define TATTR 0
|
||||
|
||||
int main(int argc,char **argv)
|
||||
{
|
||||
const char *outfile = 0;
|
||||
|
|
@ -518,7 +520,7 @@ int main(int argc,char **argv)
|
|||
VEC_ZERO(tstats);
|
||||
#endif
|
||||
|
||||
#if 0
|
||||
#if TATTR
|
||||
pthread_attr_t tattr,*tattrp = &tattr;
|
||||
tret = pthread_attr_init(tattrp);
|
||||
if (tret) {
|
||||
|
|
@ -526,7 +528,7 @@ int main(int argc,char **argv)
|
|||
tattrp = 0;
|
||||
}
|
||||
else {
|
||||
tret = pthread_attr_setstacksize(tattrp,80<<10);
|
||||
tret = pthread_attr_setstacksize(tattrp,2<<20);
|
||||
if (tret)
|
||||
perror("pthread_attr_setstacksize");
|
||||
}
|
||||
|
|
@ -560,7 +562,7 @@ int main(int argc,char **argv)
|
|||
}
|
||||
}
|
||||
|
||||
#if 0
|
||||
#if TATTR
|
||||
if (tattrp) {
|
||||
tret = pthread_attr_destroy(tattrp);
|
||||
if (tret)
|
||||
|
|
|
|||
|
|
@ -13,7 +13,6 @@ void *worker_batch(void *task)
|
|||
|
||||
// state to keep batch data
|
||||
ge_p3 ge_batch[BATCHNUM];
|
||||
fe *(batchgez)[BATCHNUM];
|
||||
fe tmp_batch[BATCHNUM];
|
||||
bytes32 pk_batch[BATCHNUM];
|
||||
|
||||
|
|
@ -24,10 +23,6 @@ void *worker_batch(void *task)
|
|||
struct statstruct *st = (struct statstruct *)task;
|
||||
#endif
|
||||
|
||||
// set up right pointers
|
||||
for (size_t b = 0;b < BATCHNUM;++b)
|
||||
batchgez[b] = &GEZ(ge_batch[b]);
|
||||
|
||||
PREFILTER
|
||||
|
||||
memcpy(secret,skprefix,SKPREFIX_SIZE);
|
||||
|
|
@ -64,7 +59,7 @@ initseed:
|
|||
ge_p1p1_to_p3(&ge_public,&sum);
|
||||
}
|
||||
// NOTE: leaves unfinished one bit at the very end
|
||||
ge_p3_batchtobytes_destructive_1(pk_batch,ge_batch,batchgez,tmp_batch,BATCHNUM);
|
||||
ge_p3_batchtobytes_destructive_1(pk_batch,ge_batch,tmp_batch,BATCHNUM);
|
||||
|
||||
#ifdef STATISTICS
|
||||
st->numcalc.v += BATCHNUM;
|
||||
|
|
|
|||
|
|
@ -14,7 +14,6 @@ void *worker_batch_pass(void *task)
|
|||
|
||||
// state to keep batch data
|
||||
ge_p3 ge_batch[BATCHNUM];
|
||||
fe *(batchgez)[BATCHNUM];
|
||||
fe tmp_batch[BATCHNUM];
|
||||
bytes32 pk_batch[BATCHNUM];
|
||||
|
||||
|
|
@ -25,10 +24,6 @@ void *worker_batch_pass(void *task)
|
|||
struct statstruct *st = (struct statstruct *)task;
|
||||
#endif
|
||||
|
||||
// set up right pointers
|
||||
for (size_t b = 0;b < BATCHNUM;++b)
|
||||
batchgez[b] = &GEZ(ge_batch[b]);
|
||||
|
||||
PREFILTER
|
||||
|
||||
memcpy(secret,skprefix,SKPREFIX_SIZE);
|
||||
|
|
@ -70,7 +65,7 @@ initseed:
|
|||
ge_p1p1_to_p3(&ge_public,&sum);
|
||||
}
|
||||
// NOTE: leaves unfinished one bit at the very end
|
||||
ge_p3_batchtobytes_destructive_1(pk_batch,ge_batch,batchgez,tmp_batch,BATCHNUM);
|
||||
ge_p3_batchtobytes_destructive_1(pk_batch,ge_batch,tmp_batch,BATCHNUM);
|
||||
|
||||
#ifdef STATISTICS
|
||||
st->numcalc.v += BATCHNUM;
|
||||
|
|
|
|||
Loading…
Reference in a new issue