BN_MONT_CTX *ctx = *pmont; CRYPTO_MUTEX_unlock_read(lock);if(ctx) {return1; } CRYPTO_MUTEX_lock_write(lock); ctx = *pmont;if(ctx) {gotoout; } ctx = BN_MONT_CTX_new();if(ctx ==NULL) {gotoout; }if(!BN_MONT_CTX_set(ctx, mod, bn_ctx)) { BN_MONT_CTX_free(ctx); ctx...
BN_MONT_CTX *BN_MONT_CTX_new(void); void BN_MONT_CTX_init(BN_MONT_CTX *ctx); void BN_MONT_CTX_free(BN_MONT_CTX *mont); int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *m, BN_CTX *ctx); BN_MONT_CTX *BN_MONT_CTX_copy(BN_MONT_CTX *to, BN_MONT_CTX *from); int ...
int BN_RECP_CTX_set(BN_RECP_CTX *recp, const BIGNUM *m, BN_CTX *ctx); int BN_mod_mul_reciprocal(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_RECP_CTX *recp, BN_CTX *ctx); BN_MONT_CTX *BN_MONT_CTX_new(void); void BN_MONT_CTX_init(BN_MONT_CTX *ctx); void BN_MONT_CTX_free(...
BN_CTX_start(ctx); tmp_a = BN_CTX_get(ctx);if(tmp_a ==NULL)gotoerr;/* group->field */if(!BN_copy(&group->field, p))gotoerr; BN_set_negative(&group->field,0);/* group->a */if(!BN_nnmod(tmp_a, a, p, ctx))gotoerr;if(group->meth->field_encode) {if(!group->meth...
if (!BN_MONT_CTX_set(mont,m,ctx)) goto err; } BN_init(&val[0]); ts=1; if (a->neg || BN_ucmp(a,m) >= 0) { if (!BN_nnmod(&(val[0]),a,m,ctx)) goto err; aa= &(val[0]); } else aa=a; if (BN_is_zero(aa)) ...
mont = BN_MONT_CTX_new(); if (mont == NULL) goto err; if (!BN_MONT_CTX_set(mont, A, ctx)) goto err; for (i = 0; i < checks; i++) { if (!BN_pseudo_rand_range(check, A1)) goto err; if (!BN_add_word(check, 1)) goto err; /* now 1 <= check < A */ j =...
BN_CTX_end(ctx); BN_CTX_free(ctx); return ret; } /* test EC_GF2m_simple_method directly */ static int field_tests_ec2_simple(void) { @@ -506,6 +556,7 @@ int setup_tests(void) ADD_TEST(field_tests_ecp_simple); ADD_TEST(field_tests_ecp_mont); #ifndef OPENSSL_NO_EC2M ADD...
(BN_set_word((a),1)) void BN_zero_ex(BIGNUM *a); # if OPENSSL_API_LEVEL > 908 # define BN_zero(a) BN_zero_ex(a) # else # define BN_zero(a) (BN_set_word((a),0)) # endif const BIGNUM *BN_value_one(void); char *BN_options(void); BN_CTX *BN_CTX_new_ex(OSSL_...
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void (*callback)(int, int, void *), BN_CTX *ctx, void *cb_arg); 判断是否为素数,返回0表示成功,1表示错误概率小于0。25,-1表示错误 10.位数函数 int BN_set_bit(BIGNUM *a, int n);将a中的第n位设置为1,假如a小于n位将扩展 int BN_clear_bit(BIGNUM *a, int n);将a中的第n为设置为...