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Michael

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345 reputation
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9 Answers

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3
 Is this algorithm secure?
3
 Is Base64(SHA1(GUID)) still unique like the original GUID?
3
 When truncating an AES MAC value by “w” , how do I justify that “w” is still negligible?
3
 How to generate a key using any m passwords out of total n?
3
 Any efficient text-based steganographic schemes?
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345 Reputation

+45 Is this algorithm secure?
+45 Is Base64(SHA1(GUID)) still unique like the original GUID?
+30 When truncating an AES MAC value by “w” , how do I justify that “w” is still negligible?
+10 Help me describe/identify this challenge-response protocol/algorithm?
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0 Questions

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17 Tags

5
sha1 × 2
3
password-based-encryption
3
aes
3
passwords
3
mac
2
collision-resistance
3
negligible
2
rsa
3
steganography
2
challenge-response
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3 Accounts

Stack Overflow Stack Overflow 355 rep 18
Cryptography Stack Exchange Cryptography 345 rep 4
IT Security Stack Exchange IT Security 272 rep 9

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