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Jan
18
answered Difference between Rijndael 128 / 256 blocksize implementations? (and impact of block size in general)
Jan
13
revised Benefit of combining classical substitution ciphers with modern cryptography
added 31 characters in body
Jan
4
awarded  Commentator
Jan
4
comment Will length-extension work if secret is not prefixed but appended to the data?
No it isn't. But compared to, e.g., HMAC, it suffers from other flaws. See: Why is h(m||k) insecure?
Jan
3
revised Do known-plaintext attacks exist for public key encryption?
deleted 112 characters in body
Jan
3
answered Do known-plaintext attacks exist for public key encryption?
Dec
31
answered Benefit of combining classical substitution ciphers with modern cryptography
Dec
21
answered True 128bit secured password length?
Dec
20
revised Reason(s) for using a KDF for encryption keys
added 294 characters in body
Dec
20
comment Reason(s) for using a KDF for encryption keys
The output of a PBKDF2 implementation may be hexadecimal, but you can convert that output to whatever you want. Although, there are AES implementations that accept hexadecimal keys.
Dec
20
answered Reason(s) for using a KDF for encryption keys
Dec
20
reviewed Reviewed Is there an advantage to storing keys split between several hashes?
Dec
20
reviewed Reviewed How to construct a good PRF from a block cipher?
Dec
20
reviewed Reviewed Why is it important that phi(n) is kept a secret, in RSA?
Dec
20
reviewed No Action Needed Can one build a one-way function from AES?
Dec
20
reviewed Reviewed Why doesn't this replay attack work on ECDSA?
Dec
20
reviewed Reviewed Information leakage in real-time voice encryption
Dec
20
reviewed No Action Needed Get RSA PlainText without Knowing Private Key
Dec
20
reviewed Reviewed Is Convergent Encryption really secure?
Dec
20
awarded  Custodian