crawfish

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location Louisiana
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visits member for 10 months
seen Aug 1 '12 at 20:34
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I live in mud and eat dead stuff


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Jul
27
 comment AES GCM symmetric encryption of data at rest in c#, ciphertext much longer than plaintext
Great answer, thank you. I didn't realize the base64 added to the length to the extent that it does.
Jul
27
 accepted AES GCM symmetric encryption of data at rest in c#, ciphertext much longer than plaintext
Jul
27
 comment AES GCM symmetric encryption of data at rest in c#, ciphertext much longer than plaintext
Although the question does talk about specifics (and therefore might belong elsewhere) it mainly deals with the general concept of cipher text vs plaintext length so I figured I'd try here. If it should be elsewhere feel free to migrate it.
Jul
27
 asked AES GCM symmetric encryption of data at rest in c#, ciphertext much longer than plaintext
Jul
24
 awarded  Commentator
Jul
24
 accepted Generating a cryptographically secure, many-time use, symmetric encryption key
Jul
24
 comment Generating a cryptographically secure, many-time use, symmetric encryption key
I decided to instead use the .net AesManaged class and simply extract the key it creates under the assumption that that key will be at least as secure as the above method
Jul
23
 asked Generating a cryptographically secure, many-time use, symmetric encryption key
Jul
18
 revised Other than brute force, are there any attacks on Threefish-512 using only a single known plaintext block?
added 11 characters in body
Jul
18
 revised Other than brute force, are there any attacks on Threefish-512 using only a single known plaintext block?
added 13 characters in body
Jul
18
 comment Other than brute force, are there any attacks on Threefish-512 using only a single known plaintext block?
yep all of that it correct. I'll edit to make it more clear
Jul
18
 answered Other than brute force, are there any attacks on Threefish-512 using only a single known plaintext block?
Jul
18
 answered Does the MixColumns step come before or after AddRoundKey in AES decryption?
Jul
16
 awarded  Supporter
Jul
16
 accepted Using “Additional Authenticated Data” as a secondary key
Jul
16
 revised Using “Additional Authenticated Data” as a secondary key
added 294 characters in body
Jul
16
 asked Using “Additional Authenticated Data” as a secondary key
Jul
16
 comment How to communicate authentication tag for GCM?
Alright thanks for the answer and letting me know about the code
Jul
16
 accepted How to communicate authentication tag for GCM?
Jul
14
 awarded  Teacher
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