void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx); DESCRIPTION The EVP_PKEY_CTX_new() function allocates public key algorithm context using the algorithm specified inpkeyand ENGINEe. The EVP_PKEY_CTX_new_id() function allocates public key algorithm context using the algorithm specified byidand ENGINE...
EVP_PKEY_CTX_free(ctx);returnNULL; }//设置参数,RSA的密钥位数1024位if(EVP_PKEY_CTX_set_rsa_keygen_bits(ctx,1024) <=0) { ERR_print_errors_fp(stderr); EVP_PKEY_CTX_free(ctx);returnNULL; }//4、密钥生成EVP_PKEY *pkey=NULL;//内部有malloc申请的空间if(EVP_PKEY_keygen(ctx, &pkey) <...
EVP_PKEY_CTX_free(ctx);returnNULL; }//设置参数,RSA的密钥位数1024位if(EVP_PKEY_CTX_set_rsa_keygen_bits(ctx,1024) <=0) { ERR_print_errors_fp(stderr); EVP_PKEY_CTX_free(ctx);returnNULL; }//4、密钥生成EVP_PKEY *pkey=NULL;//内部有malloc申请的空间if(EVP_PKEY_keygen(ctx, &pkey) <...
EVP_PKEY_encrypt(ectx, encData,&enclen, srcStr, strlen(srcStr));//解密EVP_PKEY_CTX *dctx; dctx=EVP_PKEY_CTX_new(key, NULL); EVP_PKEY_decrypt_init(dctx); EVP_PKEY_decrypt(dctx, decData,&declen, encData, enclen); printf("dec=%s\n",decData); EVP_PKEY_CTX_free(ectx); EV...
cout << "Private key is stored inside the EVP_PKEY"; } BN_free(priv); EVP_PKEY_CTX_free(ctx); OSSL_PARAM_free(params); OSSL_PARAM_BLD_free(param_bld); return 0; } 因此,我收到错误消息“设置私钥失败”,因为函数EVP_PKEY_fromdata()由于某种原因返回0。我不理解这里的问题。
EVP_CIPHER_CTX_free(ctx); free(tmpptxt); return ret; } int main(void) { EVP_PKEY *pubkey = NULL, *privkey = NULL; FILE *pubkeyfile, *privkeyfile; int ret = 1; unsigned char *iv = NULL, *message = "Hello World!\n"; unsigned char *enc_key = NULL, *ciphertext = NULL, *...
int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, int cmd, int p1, void *p2); int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type, const char *value); int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid); ...
EVP_PKEY_CTX *ctx = NULL, *ctx2 = NULL; OSSL_PARAM *params = NULL; ctx = EVP_PKEY_CTX_new_from_name(NULL, "ec", "provider=myprovider"); EVP_PKEY_fromdata_init(ctx); //setup params... EVP_PKEY_fromdata(ctx, &pkey, OSSL_KEYMGMT_SELECT_ALL, params); EVP_PKEY_CTX_free(ctx...
if (EVP_PKEY_keygen(ctx, &pkey) <= 0) exit(4); EVP_PKEY_CTX_free(ctx); /* generate peer key */ ctx = EVP_PKEY_CTX_new_id(EVP_PKEY_EC, NULL); if (!ctx) exit(5); if (EVP_PKEY_keygen_init(ctx) <= 0) exit(6); ...
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...