BadPaddingException
2011-03-07 00:00
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使用jdk的jce包进行rsa加解密的时候,
KeyFactory keyFactory = KeyFactory.getInstance(KEY_ALGORITHM);
Cipher cipher = Cipher.getInstance(keyFactory.getAlgorithm());
解密的时候偶尔会遇到 “ BadPaddingException: Blocktype mismatch: 0 ”
问题原因是:没有指定填充算法,由于默认填充存在问题,必须自己处理,所以需要指定填充算法即可。
解决办法:
Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1PADDING");
KeyFactory keyFactory = KeyFactory.getInstance(KEY_ALGORITHM);
Cipher cipher = Cipher.getInstance(keyFactory.getAlgorithm());
解密的时候偶尔会遇到 “ BadPaddingException: Blocktype mismatch: 0 ”
问题原因是:没有指定填充算法,由于默认填充存在问题,必须自己处理,所以需要指定填充算法即可。
解决办法:
Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1PADDING");
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