Comments on: How to Obfuscate Integer IDs http://raymorgan.net/web-development/how-to-obfuscate-integer-ids/ Web Development, Travel, Photography, and more Thu, 20 May 2010 00:26:24 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: admin http://raymorgan.net/web-development/how-to-obfuscate-integer-ids/comment-page-1/#comment-84 admin Thu, 20 May 2010 00:26:24 +0000 http://raymorgan.net/?p=6#comment-84 You're correct that the colon has a special meaning in both the auth and protocol portion of a URI, but it doesn't cause any problem when used in the query string portion. Still, you can certainly replace it with %3A or change it to use other characters, like dash, dot, $ or underscore, on lines 18 and 24. Integers > 2^31-1 would require a more complex implementation, as PHP's integer-handling gets sketchy above that number. You’re correct that the colon has a special meaning in both the auth and protocol portion of a URI, but it doesn’t cause any problem when used in the query string portion. Still, you can certainly replace it with %3A or change it to use other characters, like dash, dot, $ or underscore, on lines 18 and 24. Integers > 2^31-1 would require a more complex implementation, as PHP’s integer-handling gets sketchy above that number.

]]> By: salentinux http://raymorgan.net/web-development/how-to-obfuscate-integer-ids/comment-page-1/#comment-83 salentinux Wed, 19 May 2010 18:10:40 +0000 http://raymorgan.net/?p=6#comment-83 Good article, but it generates the " : " character in the encoded string that cannot be in a url because it is used for the authentication. For example encoding the int 1689 with CRYPT_SALT "some random string" generates "NgvsvpI62eNcmhduKmX:w" (without "). This string pasted in a browser will fail due to ":" char. Waht if I want to support a wider range of integers? (> 2^31-1) Thanks. Good article,

but it generates the ” : ” character in the encoded string that cannot be in a url because it is used for the authentication. For example encoding the int 1689 with CRYPT_SALT “some random string” generates “NgvsvpI62eNcmhduKmX:w” (without “). This string pasted in a browser will fail due to “:” char.

Waht if I want to support a wider range of integers? (> 2^31-1)

Thanks.

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