1.等同于生成private key: openssl genrsa -out "save_path" 2048 2.代码如下 boolMakeRsaKeySSL(constchar*savePrivateKeyFilePath,constchar*savePublicKeyFilePath) {intret =0; RSA*r =NULL; BIGNUM*bne =NULL; BIO*bp_public = NULL, *bp_private =NULL;intbits =2048; unsignedlonge =RSA_F4;//...
openssl pkeyutl -sign -in file -inkey key.pem -out sig 1. 恢复签名数据(用RSA密钥): openssl pkeyutl -verifyrecover -in sig -inkey key.pem 1. 用DSA算法来验证签名: openssl pkeyutl -verify -in file -sigfile sig -inkey key.pem 1. 对一个消息的摘要值进行签名(仅仅支持RSA): openssl pkeyutl...
num = RSA_public_encrypt(inlen,(unsigned char *)instr,(unsigned char*)*outstr,rsa_ctx,RSA_PKCS1_PADDING); break; case 2: //prv dec num = RSA_private_decrypt(inlen,(unsigned char *)instr,(unsigned char*)*outstr,rsa_ctx,RSA_PKCS1_PADDING); break; default: break; } if(num == ...
//rsa.c#include<stdio.h>#include<stdlib.h>#include<string.h>#include<openssl/rsa.h>#include<openssl/pem.h>#include<openssl/err.h>#include"rsa.h"#defineRSAPUBKEY#defineKEYFORMFILE 1#defineKEYFORMMEM 2#defineKEYFORM KEYFORMMEMstaticintdo_operation(RSA* rsa_ctx,char*instr,char* path_key,i...
编写test.c文件: // RSA 加密 ///#include<stdio.h>#include<stdlib.h>#include<string.h>#include<errno.h>#include<openssl/rsa.h>#include<openssl/pem.h>#include<openssl/err.h>#include<stdbool.h>#define PATH_TO_PRIVATE_KEY "rsa_private_key.pem"#define PATH_TO_PUBLIC_KEY "rsa_public_key...
// RSA密钥文件路径 #definePRIVATE_KEY_FILE"private_key.pem" #definePUBLIC_KEY_FILE"public_key.pem" intmain(){ // 初始化OpenSSL库 SSL_library_init(); OpenSSL_add_all_algorithms(); SSL_load_error_strings(); // 创建SSL上下文 SSL_CTX*ctx=SSL_CTX_new(SSLv23_client_method()); ...
RSA*rsa=PEM_read_RSA_PUBKEY(file,NULL,NULL,NULL); fclose(file); returnrsa; } // 从文件中加载RSA私钥 RSA*loadPrivateKey(constchar*privateKeyFile){ FILE*file=fopen(privateKeyFile,"r"); if(!file){ printf("无法打开私钥文件\n");
{RSA*p_rsa=NULL;FILE*file=NULL;intret=0;file=fopen(pri_key_fn,"rb");if(!file){ret=-1;gotoEnd;}if((p_rsa=PEM_read_RSAPrivateKey(file,NULL,NULL,NULL))==NULL){ret=-2;gotoEnd;}if((*output_len=RSA_private_decrypt(input_len,(unsignedchar*)input,(unsignedchar*)output,p_rsa,RSA...
openssl genrsa -out yourdomain.key 2048 此命令将在您的当前目录中创建yourdomain.key文件。您的私钥将采用PEM格式。 使用OpenSSL 查看私钥信息 您可以通过以下命令查看私钥的编码内容: cat yourdomain.key 使用OpenSSL 解码私钥 要解码您的私钥,请运行以下命令: ...
#include<stdio.h>#include<string.h>#include<openssl/rsa.h>#include<openssl/pem.h>#include<openssl/err.h>//公钥验证签名intmy_verify(constchar*input,intinput_len,unsignedchar*signret,intsignlen,constchar*pub_key_fn){RSA*p_rsa=NULL;BIGNUM*signnum;unsignedchardata[2][512+1];FILE*file=NULL...