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mrathena
V2EX member #307201, joined on 2018-04-09 18:39:26 +08:00
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Apr 10, 2018
Replied to a topic by
v4j7o9m7s2
程序员
为什么京东支付接口的签名算法是用私钥加密而不是用私钥签名?
通常认为,京东用私钥加密,那么持有京东公钥的客户都可以解密,这种情况下,默认京东只使用唯一一套公私钥,下发给客户的公钥都是相同的。
如果京东为每个客户都生成一套新的公私钥,分配给客户的公钥都是不同的,一对一,那么用哪个来加密就无所谓了,反正别人都不知道,只有自己能够解密
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