openssl+RSA加解密出现以下错误C++ error LNK2019: 无法解析的外部符号
openssl
传输层安全性/安全套接层及其加密库
项目地址：https://gitcode.com/gh_mirrors/ope/openssl
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编译提示错误：
1>RSA.obj : error LNK2019: 无法解析的外部符号 BIO_new，函数 "void __cdecl GenerateRSAKey(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &)" (?GenerateRSAKey@@YAXAEAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 BIO_read，函数 "void __cdecl GenerateRSAKey(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &)" (?GenerateRSAKey@@YAXAEAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 BIO_ctrl，函数 "void __cdecl GenerateRSAKey(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &)" (?GenerateRSAKey@@YAXAEAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 BIO_free_all，函数 "void __cdecl GenerateRSAKey(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &)" (?GenerateRSAKey@@YAXAEAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 BIO_s_mem，函数 "void __cdecl GenerateRSAKey(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &)" (?GenerateRSAKey@@YAXAEAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 BIO_new_mem_buf，函数 "class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __cdecl RsaPriDecrypt(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (?RsaPriDecrypt@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBV12@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 RSA_new，函数 "class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __cdecl RsaPriDecrypt(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (?RsaPriDecrypt@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBV12@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 RSA_size，函数 "class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __cdecl RsaPriDecrypt(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (?RsaPriDecrypt@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBV12@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 RSA_generate_key，函数 "void __cdecl GenerateRSAKey(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &)" (?GenerateRSAKey@@YAXAEAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 RSA_public_encrypt，函数 "class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __cdecl RsaPubEncrypt(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (?RsaPubEncrypt@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBV12@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 RSA_private_encrypt，函数 "class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __cdecl RsaPriEncrypt(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &)" (?RsaPriEncrypt@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBV12@AEAV12@@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 RSA_public_decrypt，函数 "class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __cdecl RsaPubDecrypt(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (?RsaPubDecrypt@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBV12@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 RSA_private_decrypt，函数 "class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __cdecl RsaPriDecrypt(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (?RsaPriDecrypt@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBV12@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 RSA_free，函数 "void __cdecl GenerateRSAKey(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &)" (?GenerateRSAKey@@YAXAEAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 PEM_read_bio_RSAPrivateKey，函数 "class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __cdecl RsaPriDecrypt(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (?RsaPriDecrypt@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBV12@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 PEM_write_bio_RSAPrivateKey，函数 "void __cdecl GenerateRSAKey(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &)" (?GenerateRSAKey@@YAXAEAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 PEM_read_bio_RSA_PUBKEY，函数 "class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __cdecl RsaPubDecrypt(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (?RsaPubDecrypt@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBV12@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 PEM_write_bio_RSA_PUBKEY，函数 "void __cdecl GenerateRSAKey(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &)" (?GenerateRSAKey@@YAXAEAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 ERR_get_error，函数 "class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __cdecl RsaPriDecrypt(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (?RsaPriDecrypt@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBV12@0@Z) 中引用了该符号
1>RSA.obj : error LNK2019: 无法解析的外部符号 ERR_error_string，函数 "class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __cdecl RsaPriDecrypt(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (?RsaPriDecrypt@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBV12@0@Z) 中引用了该符号
1>C:\Users\lenovo7\source\repos\opensslhttp\x64\Debug\ImageProcess.exe : fatal error LNK1120: 20 个无法解析的外部命错误原因：很显然用到了默认库函数没有的函数，这时候需要导入openssl的库函数
操作如下：
配置lib路径，也即告诉VC去什么地方寻找openssl的库文件。
将库目录输入菜单“工具”->“选项”->“项目和解决方案”->“VC++目录”->“库文件”
并在[链接器 LINKER]的[输入INPUT]中,为项目的Debug配置增加 [附加依赖项 Additional Dependencies]：
libssl.lib
libcrypto.lib
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传输层安全性/安全套接层及其加密库
最近提交(Master分支：1 天前 )
fd39d1c8
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/25095)
1 个月前
ae87c488
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/25095)
1 个月前
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