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May
6
revised Is encryption time greater than decryption time?
added 45 characters in body
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
reviewed Reviewed Can I place a private key on a sim card?
May
5
comment Can I place a private key on a sim card?
This question (especially part 3) seems better suited for Information Security than here.
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
See: crypto.stackexchange.com/questions/20941/…
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?