# 支付寶開發者公鑰（支付寶生成）
alipay_public_key = os.path.join(base_dir, 'utils/paycenter/alipay/certs/alipay_public_key')
_alipay_public_key_obj_pub = openssl.crypto.load_publickey(openssl.crypto.filetype_pem, open(alipay_public_key).read())
_alipay_public_key_obj_x509 = openssl.crypto.x509()
_alipay_public_key_obj_x509.set_pubkey(_alipay_public_key_obj_pub)
alipay_public_key_obj = _alipay_public_key_obj_x509
銀聯支付
import time
import hashlib
import urllib, urllib2
import base64
import openssl
from django.conf import settings
def build_sign(param_map, sign_type="rsa"):
'''構建簽名'''
# 將篩選的引數按照第乙個字元的鍵值ascii碼遞增排序（字母公升序排序），如果遇到相同字元則按照第二個字元的鍵值ascii碼遞增排序，以此類推。
sort_param = sorted([(key, unicode(value, settings.unionpay_encoding).encode(settings.unionpay_encoding)) for key, value in param_map.iteritems()], key=lambda x: x[0])
content = '&'.join(['='.join(x) for x in sort_param])
message = hashlib.sha1(content).hexdigest()
return base64.b64encode(openssl.crypto.sign(settings.unionpay_private_key_obj, message, 'sha1'))
def build_params(out_trade_no, total_amount):
params = {}
# 獲取配置資訊
params['acctype'] = settings.unionpay_acc_type
params['accesstype'] = settings.unionpay_access_type
params['backurl'] = settings.unionpay_back_url
params['fronturl'] = settings.unionpay_front_url
params['biztype'] = settings.unionpay_biz_type
params['certid'] = settings.unionpay_cert_id
params['channeltype'] = settings.unionpay_channel_type
params['currencycode'] = settings.unionpay_currency_code
params['encoding'] = settings.unionpay_encoding
params['merid'] = settings.unionpay_mer_id
params['signmethod'] = settings.unionpay_sign_method
params['txntype'] = settings.unionpay_txn_type
params['txnsubtype'] = settings.unionpay_txn_subtype
params['version'] = settings.unionpay_version
params['orderid'] = out_trade_no
params['txnamt'] = '%d' % int(total_amount) # 單位為分
params['txntime'] = time.strftime('%y%m%d%h%m%s') #
params['signature'] = build_sign(params)
# return params
return urllib.urlencode(params)
def check_sign(message, sign):
try:
openssl.crypto.verify(settings.unionpay_public_key_obj, sign, message, 'sha1')
return true
except exception as _:
return false
# 銀聯公鑰證書
unionpay_public_key_cert = os.path.join(unionpay_certs_path, unionpay_public_key_cert_filename)
unionpay_public_key_obj = openssl.crypto.load_certificate(openssl.crypto.filetype_pem, open(unionpay_public_key_cert).read())
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