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HomeBackend DevelopmentPHP Tutorialphp实现签名,手头下有中行提供的pfx文件,进行签名后传递给java做签名验证,请大神帮忙

php实现签名,手头上有中行提供的pfx文件,进行签名后传递给java做签名验证,请大神帮忙。
过程中貌似有用到x509、pkcs7,签名后的串要传递给java做签名验证是否正确。
本人尝试过的方法:
1、pfx文件用openssl_pkcs12_read读取私钥,然后用openssl_sign进行签名,最后签名后的数据用

base64_encode进行编码转换

2、pfx文件转为pem,用openssl_pkcs7_sign做签名

第二种方法做的签名与正确的签名长度和内容都相识,可是就是找不出哪里出错,所以来此找人帮忙。

如果有做过类似的签名,麻烦您指点一二,或者留下联系方式,便于本人私下与您联系。

------解决方案--------------------
第二种方法。

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