我要对我的数据签名,他的实现如下(SecCMSCreateSignedData函数)
https://opensource.apple.com/source/Security/Security-55471/sec/Security/SecCMS.c.auto.html
OSStatus SecCMSCreateSignedData(SecIdentityRef identity,cfdataRef data,CFDictionaryRef parameters,CFDictionaryRef signed_attributes,CFMutableDataRef signed_data)
signed_attributes参数为NULL
参数有两个证书
如何使用openssl来实现SecCMSCreateSignedData函数