1、SM2实现( 利openssl的evp)加解密#include #include #include #include openssl/ec.h #include openssl/evp.h/* Main function return value:0: main function executes successfully-1: an error occurs*/ int main(void)int ret = -1, i;EVP_PKEY_CTX *pctx = NULL, *ectx = NULL; EVP_PKEY *p...
国密sm2 evp方式加解密例子 开发技术 - C村上**的猫 上传4KB 文件格式 c openssl 国密SM2 EVP_PKEY_encrypt和EVP_PKEY_decrypt方式加解密例子,密钥类型是PEM格式。点赞(0) 踩踩(0) 反馈 所需:1 积分 电信网络下载 社会工程学及使用案例讲解 2025-01-19 14:41:30 积分:1 ...
(pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_EC, NULL)) ) { goto clean_up; } if ( (EVP_PKEY_paramgen_init(pctx)) != 1 ) { goto clean_up; } if ( (EVP_PKEY_CTX_set_ec_paramgen_curve_nid(pctx, NID_sm2)) <= 0 ) { goto clean_up; } if ( (EVP_PKEY_keygen_init(pctx))...
EVP_PKEY_CTX_new(public_evp_key, NULL); if (ctx == NULL) { ret = -1; printf("EVP_PKEY_CTX_new failed\n"); goto finish; } ret = EVP_PKEY_encrypt_init(ctx); if (ret < 0) { printf("sm2_pubkey_encrypt failed to EVP_PKEY_encrypt_init. ret = %d\n", ret); EVP_PKEY_...
公开密钥系统使⽤的算法最流⾏的当属 RSA 算法，它由 Ronald Rivest、Adi Shamir 和 Lenoard Adleman 于上世纪 70 年代发明，该算法的安全性基于⼤数分解的难度，它的原理如下： 设：明⽂为P，密⽂为C，加密函数E(x)，解密函数D(x)； （1）⾸先选取⼀个公钥指数 e，同时⽣成两个...
(pkey); return NULL; } EVP_PKEY *EVP_PKCS82PKEY_ex(const PKCS8_PRIV_KEY_INFO *p8, OSSL_LIB_CTX *libctx, const char *propq) { EVP_PKEY *pkey = NULL; const unsigned char *p8_data = NULL; unsigned char *encoded_data = NULL; int encoded_len; int selection; size_t len;...
* function should be used, then ssl_set_pkey */EVP_PKEY_free(c->pkeys[i].privatekey); c->pkeys[i].privatekey =NULL;/* clear error queue */ERR_clear_error(); } } X509_free(c->pkeys[i].x509); X509_up_ref(x); c->pkeys[i].x509 = x; ...
示例5: pkey_sm2_ctrl_digestinit ▲点赞 1▼ staticintpkey_sm2_ctrl_digestinit(EVP_PKEY_CTX *pk_ctx, EVP_MD_CTX *md_ctx){intret; EC_KEY *ec_key = pk_ctx->pkey->pkey.ec;constEVP_MD *md =EVP_MD_CTX_md(md_ctx);char*id;unsignedcharzid[EVP_MAX_MD_SIZE];unsignedintzidlen =si...
= 1) { printf("EVP_PKEY_set_alias_type to EVP_PKEY_SM2 failed! ret = %d\n", ret); ret = -1; goto finish; } /*modifying a EVP_PKEY to use a different set of algorithms than the default.*/ /*do cipher.*/ ctx = EVP_PKEY_CTX_new(public_evp_key, NULL); if (ctx == ...
//来自国标官方的标准SM2数据,包括公私钥和sig签名,digest,加解密用的数据 //公钥q为 04(未压缩标志符号) + 64字节X + 64字节Y 总计130字节 char pkey_sexp[] = "(public-key (ecc (curve sm2p256v1) (q #0409F9DF311E5421A150DD7D161E4BC5C672179FAD1833FC076BB08FF356F35020CCEA490CE26775A52...