Comment on Ask HN: 5-digit alphanumeric or 12-digit integer simpler and more secure?Comments−syncerr14yCompare possible brute force combinations: (26+10)^5 vs. 10^12−eliaskg14yThat would be 10e12 vs 60.466.176. Pretty easy from the security pov.Also if an alphanumeric string should be entered / remembered by humans make sure to strip I, l, etc.−syncerr14yFor case-sensitive alphanumeric: (26+26+10)^5Which is still far lower than 12 digits.
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Compare possible brute force combinations: (26+10)^5 vs. 10^12
That would be 10e12 vs 60.466.176. Pretty easy from the security pov.
Also if an alphanumeric string should be entered / remembered by humans make sure to strip I, l, etc.
For case-sensitive alphanumeric: (26+26+10)^5
Which is still far lower than 12 digits.