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A workable SM9 R-ate pairing over BN curve

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This textbook version R-ate pairing is very slow. About 0.5 seconds on my Macbook Pro 2018 with 2.7 GHz Core i7.
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Zhi Guan
2018-09-21 22:42:11 +08:00
parent 9f4e184ac5
commit c7aa2cc1ff
6 changed files with 1457 additions and 415 deletions
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20
crypto/sm9/sm9_lcl.h
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@@ -76,15 +76,8 @@
extern "C" {
#endif
const BIGNUM *SM9_get0_prime(void);
const BIGNUM *SM9_get0_order(void);
const BIGNUM *SM9_get0_trace(void);
const BIGNUM *SM9_get0_generator2_x0(void);
const BIGNUM *SM9_get0_generator2_x1(void);
const BIGNUM *SM9_get0_generator2_y0(void);
const BIGNUM *SM9_get0_generator2_y1(void);
int SM9_rate_pairing(BIGNUM *r[12], const BIGNUM *xQ[2], const BIGNUM *yQ[2],
const BIGNUM *xP, const BIGNUM *yP, BN_CTX *ctx);
struct SM9PublicParameters_st {
ASN1_OBJECT *curve;
@@ -136,7 +129,14 @@ int SM9_hash2(const EVP_MD *md, BIGNUM **r,
const unsigned char *elem, size_t elemlen,
const BIGNUM *range, BN_CTX *ctx);
EC_GROUP *EC_GROUP_new_sm9s256t1(void);
const BIGNUM *SM9_get0_prime(void);
const BIGNUM *SM9_get0_order(void);
const BIGNUM *SM9_get0_loop_count(void);
const BIGNUM *SM9_get0_final_exponent(void);
const BIGNUM *SM9_get0_generator2_x0(void);
const BIGNUM *SM9_get0_generator2_x1(void);
const BIGNUM *SM9_get0_generator2_y0(void);
const BIGNUM *SM9_get0_generator2_y1(void);
#ifdef __cplusplus