For example, imagine a Base-64-encoded MPEG that's tested against an embedded check sum.

比如，假设一个Base - 4编码的MPEG要对内嵌的校验和进行测试。

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For deleted files and folders long name is used without check sum (short name was used before).

对于已删除的文件和文件夹长名称不使用校验和(简称之前使用)。

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Message Digests are secure, one-way hash functions that convert arbitrary length data into fixed-length check sum / hash code.

消息摘要是一个安全的、单向的哈希函数，把任意长度的数据转化成固定长度的校验和/哈希码。

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Are you likely to take a monthly pension check instead of a lump sum?

FORBES: Expert View

In June, GM said it will offer 42, 000 white-collar retirees in the U.S. a lump-sum payment in lieu of their monthly pension check and will transfer pension responsibility for 76, 000 others to a group annuity plan managed by Prudential Insurance.

FORBES: Leadership, Not Another Bailout, Will Fix GM (And No, It Is Not Going Bankrupt)

Last year, both Ford and General Motors took bold new steps by offering lump-sum payments to white-collar retirees in lieu of a monthly pension check.

FORBES: Ford's Leaky Pension Boat Is A Multi-Billion Dollar Problem