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在java里,可以用公钥、私钥加密,但这里的解密,只能解出公钥加密的结果,用私钥加密的内容,无法公钥解出来。 about rsa-csharp HOT 1 OPEN

xiangyuecn avatar xiangyuecn commented on September 21, 2024
在java里,可以用公钥、私钥加密,但这里的解密,只能解出公钥加密的结果,用私钥加密的内容,无法公钥解出来。

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xiangyuecn avatar xiangyuecn commented on September 21, 2024

已经过了很久了哈,正常情况下是不允许进行私钥加密的;现在最新版1.6已提供了这个支持。

Java的私钥加密 cipher.init(Cipher.ENCRYPT_MODE, RSAPrivateKey),测试用的是EMSA-PKCS1-v1_5填充方式(用NoPadding填充进行解密可以看到填充内容),和正常的公钥加密还是有区别的,.NET里面得用NoPadding填充方式去加密解密,需先自行使用EMSA-PKCS1-v1_5对数据进行填充。

Java如果是通过私钥RSAPrivateKey里面参数来构造出RSAPublicKey,再去加密,相当于把d当做e,就和正常的公钥加密一致了,和目前版本的RSA-csharp行为一致。

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