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is it possible to encrypt 10 digit number to 4 digit number using any algorithm?

原文 2018-09-19 07:02:14 2 2 java

示例 10 位数字 9898989898 之后，如果我解密该 4 位或 6 位数字与 9898989898 相同，这应该加密为 4 位或 6 位数字。他们是否有任何算法可以做到这一点，请帮助我

2 answers

我会说不：由于鸽巢原理，您没有足够的 4-6 位数字来“解密”回您原来的 10 位数字。

You need an alphabet with at least 47 characters in order to encode 10 digits with 6 characters. See here .

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is it possible to encrypt 10 digit number to 4 digit number using any algorithm?

Question

2 answers

solution1
7 2018-09-19 07:06:27

solution2
0 2018-09-19 08:28:41

is it possible to encrypt 10 digit number to 4 digit number using any algorithm?

Question

2 answers

solution1 7 2018-09-19 07:06:27

solution2 0 2018-09-19 08:28:41

solution1
7 2018-09-19 07:06:27

solution2
0 2018-09-19 08:28:41