如何将证书字符串转换为X509结构。 [英] how to convert the Certificate String into X509 structure.?

问题描述

可以任何人告诉我如何将字符串内容转换为X509结构。我使用openssl来读取X509结构。

can any one tell me how to convert the string content into X509 structure . i am using openssl to read the X509 Structure.

示例：certificate string

example : certificate string

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

这证书我要去得到的字符串input.how这一转换成X509

this the certificate i am going to get as string input.how to convert this into X509.

推荐答案

您可以使用此OpenSSL的代码片段时，作为一个字符串输入提供装载证书：

You can use this OpenSSL code snippet to load the certificate when provided as a string input:

#include <openssl/bio.h>
#include <openssl/x509.h>
#include <openssl/pem.h>

const unsigned char *data = 
    "-----BEGIN CERTIFICATE-----\n"
    "MIIExDCCA6ygAwIBAgIJAK0JmDc/YXWsMA0GCSqGSIb3DQEBBQUAMIGcMQswCQYD\n"
    /*...*/
    "gRQT0OIU5vXzsmhjqKoZ+dBlh1FpSOX2\n"
    "-----END CERTIFICATE-----";

BIO *bio;
X509 *certificate;

bio = BIO_new(BIO_s_mem());
BIO_puts(bio, data);
certificate = PEM_read_bio_X509(bio, NULL, NULL, NULL);

希望这有帮助。

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