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BouncyCastleProvider加密的时候千万别乱new BouncyCastleProvider 切记

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BouncyCastleProvider加密的时候千万别乱new BouncyCastleProvider 切记

应该用:

static{

if (Security.getProvider(BouncyCastleProvider.PROVIDER_NAME) == null){

System.out.println("security provider BC not found");

Security.addProvider(new BouncyCastleProvider());

}

}

 

Cipher cipher = Cipher.getInstance(ALGORITHM_PADDING,"BC");

下面这种方式有问题:

Cipher cipher = Cipher.getInstance(ALGORITHM_PADDING,new BouncyCastleProvider());

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