实际上,我想从加密密码回头。
密码加密如下:
MessageDigest md = MessageDigest.getInstance("SHA");
md.reset();
byte[] encryptedBinarySource = md.digest(source.getBytes("UTF-8"));
如何加密<代码>加密的BinarySource的价值?
You can t. SHA is an one-way encryption. Being able to decrypt it would break its sole purpose. Rather use a two-way encryption algorithm. Or if it is intented to encrypt sensitive information like passwords in your case, then you should rather encrypt the newly entered password the same way and compare its result with the original encrypted password which you ve stored somewhere.
然而,有“rainbow table,使你(和黑客!)能够揭示基于 has的原始价值。 而对于亚美尼亚航天公司来说,成功匹配的机会却远远低于MD5。
您不能脱条。 单向功能。 以往的密码的确用于不储存实际密码(即用户提出的密码,与所储存的散页相比)。
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