void BN_CTX_start(BN_CTX *ctx); BIGNUM *BN_CTX_get(BN_CTX *ctx); void BN_CTX_end(BN_CTX *ctx); DESCRIPTION These functions are used to obtain temporaryBIGNUMvariables from aBN_CTX(which can been created by usingBN_CTX_new(3)) in order to save the overhead of repeatedly creating ...
and then, when I call BN_CTX_free(ctx), It will occure "segmentation fault". but this same code will work on 1.0.2 version very well. what's wrong with me? Author lijk8090 commented Mar 28, 2020 Just like: and then, I call the BN_new instead of BN_CTX_get function It work...
OPENSSL_CTX *libctx; };/* Debugging functionality */ @@ -121,30 +123,40 @@ static void ctxdbg(BIO *channel, const char *text, BN_CTX *ctx) ctxdbg(trc_out, str, ctx); \ } OSSL_TRACE_END(BN_CTX)BN_CTX *BN_CTX_new(void) ...
int BN_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx); int BN_sqr(BIGNUM *r, BIGNUM *a, BN_CTX *ctx); int BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *a, const BIGNUM *d, BN_CTX *ctx); int BN_mod(BIGNUM *rem, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx...
void BN_CTX_init(BN_CTX *c);将所有的项赋值为0,一般BN_CTX_init(&c) void BN_CTX_free(BN_CTX *c);释放上下文结构,释放完后c=NULL; 3.复制以及交换函数 BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b);将b复制给a,正确返回a,错误返回NULL ...
BN_mod_inverse — compute inverse modulo n Synopsis #include <openssl/bn.h> BIGNUM *BN_mod_inverse(BIGNUM *r, BIGNUM *a, const BIGNUM *n, BN_CTX *ctx); DESCRIPTION BN_mod_inverse() computes the inverse ofamodulonplaces the result inr((a*r)%n==1). Ifris NULL, a newBIGNUMis cr...
(klass);if(!(r1=BN_new())){ossl_raise(eBNError,NULL);}if(!(r2=BN_new())){BN_free(r1);ossl_raise(eBNError,NULL);}if(!BN_div(r1,r2,bn1,bn2,ossl_bn_ctx)){BN_free(r1);BN_free(r2);ossl_raise(eBNError,NULL);}SetBN(obj1,r1);SetBN(obj2,r2);returnrb_ary_new3(2,obj...
BN_CTX *ctx; int checks = BN_prime_checks_for_size(bits); ctx=BN_CTX_new(); if (ctx == NULL) goto err; BN_CTX_start(ctx); t = BN_CTX_get(ctx); if(!t) goto err; loop: /* make a random number and set the top and bottom bits */ if (add == NULL) { if (!probab...
问Solana Rust (Anchor)：TypeError:无法读取未定义的属性(读取'_bn')EN本文编写于 205 天前，最后...
BN_RECP_CTX recp; bits=BN_num_bits(p); if (bits == 0) { ret = BN_one(r); return ret; } BN_CTX_start(ctx); if ((aa = BN_CTX_get(ctx)) == NULL) goto err; BN_RECP_CTX_init(&recp); if (m->neg)