Ilmari Karonen
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 May 6 revised Is encryption time greater than decryption time? add links and note about RSA performance May 6 answered Is encryption time greater than decryption time? May 5 comment Encrypt file name If it's OK for the encrypted file names to (always) be longer than the originals, it would probably be easiest and safest to just encode the encrypted names in Base36 or Base32. If you wish to support any filenames that the underlying filesystem allows, things get trickier. (For filesystems like NTFS that are case-preserving but not case-sensitive, it might not even be possible.) May 5 revised How to calculate if probability is negligible or not added 602 characters in body May 5 revised How to calculate if probability is negligible or not edited tags May 5 comment How to calculate if probability is negligible or not @henry: See this post on meta.math.SE, and the linked posts in the sidebar, for some information about that message. However, I'm actually retracting my close vote, since, on a closer look, your question does contain a key term ("negligible probability") that is used in a somewhat specialized manner in crypto. (I've also posted an answer below that hopefully clarifies the meaning somewhat.) May 5 answered How to calculate if probability is negligible or not May 5 revised What does ⊕ mean in cryptography? edited tags Apr 30 comment What does ⊕ mean in cryptography? BTW, questions like this are probably better suited for Cryptography Stack Exchange than for Stack Overflow. I've flagged this one for moderator attention, and asked them to migrate it there. Apr 30 reviewed Reviewed Discrete logarithm over prime modulo: small input, large exponent, larger prime Apr 30 comment What do $0^n$ and $1^n$ mean in cryptography? Related (but, despite what I first assumed, probably not really duplicate) question: What does the expression $1^n$ mean as a function argument? Apr 30 revised What do $0^n$ and $1^n$ mean in cryptography? remove "EDIT" notice, clean up mathjax, add blockquote, misc. copyedits Apr 22 comment Multiple AES/ECB encryptions of different data with same key all end with same pattern Apr 22 reviewed Approve Multiple AES/ECB encryptions of different data with same key all end with same pattern Apr 22 reviewed Reviewed How does a certificate authority issue a digital certificate? Apr 22 revised How does a certificate authority issue a digital certificate? misc. grammar and spelling copyedits Apr 22 reviewed Reviewed What is the “compression function” in Merkle-Damgård? Apr 22 reviewed Reviewed Why isn't CTR mode (counter mode) used more often? Apr 22 reviewed Reviewed Why isn't CTR mode (counter mode) used more often? Apr 19 awarded Curious