Question: 1. Is the identity function, which outputs its own input, a good cryptographic checksum function? Why or why not? 2. Is the sum program, which

1. Is the identity function, which outputs its own input, a good cryptographic checksum function? Why or why not?

2. Is the sum program, which exclusive or's all words in its input to generate a one-word output, a good cryptographic checksum function? Why or why not?

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