如何将二进制密钥传递给openssl [英] How to pass binary key to openssl

问题描述

我很想尝试将key参数传递给openssl dgst.我正在尝试连接GDAX交易平台，并且每个请求都必须由HMAC签名.他们清楚地对

I'm stumped trying to pass the key parameter to openssl dgst. I'm trying to interface to the GDAX trading platform and each request must be signed by HMAC. They clearly say to

第一个base64解码字母数字秘密字符串(结果为64 字节)作为HMAC的密钥."

"first base64-decode the alphanumeric secret string (resulting in 64 bytes) before using it as the key for HMAC."

这将导致一个64字节的二进制字符串.但是openssl命令行程序只是说-hmac key，这意味着您可以在命令行上将密钥作为参数提供，如果它是简单的ASCII，就可以了.但是我看不到提供字节的二进制字符串作为键的方法.有办法吗?

This results in a 64-byte binary string. But the openssl command line program simply says -hmac key meaning that you supply the key as a parameter on the command line, which is fine if it is simple ASCII. But I see no way to supply a binary string of bytes as the key. Is there a way to do this?

(也欢迎使用curl指导GDAX的任何一般建议)

(also any general advice about directing GDAX with curl is welcome too)

推荐答案

您可以按以下十六进制格式指定二进制密钥:

You can specify a binary key in hex format like this:

$ openssl dgst -mac hmac -macopt hexkey:0102030405 myfile

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