doutuo1908 2015-05-07 13:26
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给定相同的输入字符串,为什么这些base64编码输出不同?

When getting a bas64 encoded string from the same input string I find that JavaScript, Groovy, and Go have the same result, but GNU base64 is slightly different. Why is that?

JavaScript (nodejs v0.10.33):

new Buffer('Laurence Tureaud is Mr. T').toString('base64');
TGF1cmVuY2UgVHVyZWF1ZCBpcyBNci4gVA==

Groovy (2.3.7 on Java 8):

'Laurence Tureaud is Mr. T'.bytes.encodeBase64().toString()
TGF1cmVuY2UgVHVyZWF1ZCBpcyBNci4gVA==

Go (1.4):

b64.StdEncoding.EncodeToString([]byte("Laurence Tureaud is Mr. T"))
TGF1cmVuY2UgVHVyZWF1ZCBpcyBNci4gVA==

GNU base64 (GNU coreutils 8.12.197-032bb with UTF-8 term charset):

echo 'Laurence Tureaud is Mr. T' | base64
TGF1cmVuY2UgVHVyZWF1ZCBpcyBNci4gVAo=
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  • dongluan6784 2015-05-07 13:31
    关注

    echo 'Laurence Tureaud is Mr. T'

    Echo adds a newline after the string.

    Try the following to remove the newline:

    echo -n 'Laurence Tureaud is Mr. T' | base64

    And you get TGF1cmVuY2UgVHVyZWF1ZCBpcyBNci4gVA==

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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