python中的hash_hmac sha512身份验证

我正在尝试为：https://comkort.com/page/private_api编写python身份验证机器人

没有完整的PHP示例.我猜有人可以把它放在这里.

只有片段的PHP代码：

<code>$query_string = http_build_query($_POST, '', '&');
$ethalon_sign = hash_hmac("sha512", $query_string, $api_secret_key);
</code>

如何使用hash_hmac sha512在python上编写身份验证？

我想提取我的开放订单POST https://api.comkort.com/v1/private/order/list.

我目前的变种是：

<code>import hashlib
import hmac
import requests
import time

privateKey = b'myprivatekey'
publicKey = 'my public key'

url = 'https://api.comkort.com/v1/private/order/list'
tosign = b'market_alias=doge_ltc'
signing = hmac.new( privateKey , tosign, hashlib.sha512 )
headers = {'sign': signing.digest(), "apikey": publicKey, "nonce": int( time.time() ) }

r = requests.get(url, headers=headers)
print r.text
</code>

我抓住了这个

<code>{"code":401,"error":"Invalid sign","field":"sign"}
</code>

可能是hexdigest()而不是digest()？我不知道,我正在玩这个b前缀和不同的输出hmac的选项,每次我遇到一个错误：“无效的标志”.

相关：HMAC signing requests in Python

解决方法:

如果有人有意思,我自己解决这个问题.

<code>#!/usr/bin/python

import hashlib
import hmac
import requests
import time

apikey = '';
apisecret = '';

def request_comkort( url, payload ):
        tosign = "&".join( [i + '=' + payload[i] for i in payload] )
        sign = hmac.new( apisecret, tosign , hashlib.sha512);
        headers = {'sign': sign.hexdigest(), 'nonce': int( time.time() ), 'apikey': apikey }
        r = requests.post(url, data=payload, headers=headers)
        return r.text

# Get balance
print request_comkort( "https://api.comkort.com/v1/private/user/balance";, {} )
# Get Open Orders 
print request_comkort( "https://api.comkort.com/v1/private/order/list";, {'market_alias': "DOGE_LTC" } )
# Make Ask
print request_comkort( "https://api.comkort.com/v1/private/order/sell";, { 'market_alias':"HTML_DOGE", "amount": "1000", "price": "123123" } )
# Cancel order
print request_comkort( "https://api.comkort.com/v1/private/order/cancel";, { 'order_id': 10943 } )
</code>

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